Green Energy Solutions

How to Formulate An Off Grid Solar Energy System

Now that you have figured out that getting off the power grid is what will work best for you, it’s time to get going crunching some numbers. To begin with, tally up the entire kilowatt total that is used up during the course of a typical. The best way to come up with that total (although the slowest) is to take all of your household appliances and gadgets that use electricity and look up what the watt rating is. You should be able to find that located somewhere on the model tag. Now, just add up your best estimate as to how many hours each item is in use during the day, and you will come up with a total of so many watt hours demand per day. Remember that 1 kilowatt hour is equal to 1,000 watts/hour.

OK…..let’s say you added up all of your demand as being 25kwh or 25000 watts per day. Next you need to find out how many “peak” hours of direct sunlight your area receives each day. You can find charts that can assist you with that
right here
. Then you take the correct peak daylight and use that to divide into the daily wattage use. Let’s say you receive 5 hours of peak light… 25000 watts / 5 peak hours = 5000 watts per hour. This will mean that you need to install a 5000 watt (5kw) “off grid” power inverter. Basing your need on only “peak” Sun/hours will allow for any possible inefficiencies that might be present, because obviously the Sun is shedding daylight for more than just 5 hours.

You will certainly want to have some feature to back up your stand alone solar system, so you can relax knowing you will have a continuous supply of power when the Sun goes down and on cloudy days. Batteries are certainly the most utilized for this purpose, particularly, “deep cycle” batteries. Regular automotive type batteries are not well suited for this type of application. These equal types of batteries are utilized in the same way in conjunction with wind/turbine power systems. There are calculators out there on the web that can help you in sizing up your battery bank, but it’s always nice to know the old fashioned way (with our brain!).

As an example we will base the battery needs to allow for emergency/nighttime power of 48 hours, or 2 days. It’s not that complex to figure out; we have our daily requirement of (25kwh) 25,000 watts; now we double that sum to (50kwh) 50,000 watts; divide this by a 96vdc set up (best for this application) and we come up with a total amp/hour (Ah) need of 520Ah; now we need to double this number (to cover depth of charge at 50%) to be 1040Ah. solar batteries should only be discharged to 50% of its total rating to prolong its life. By and large, most, residential systems use 12v batteries, so we will use some zero maintenance Trojan Deep Cycle Batteries model#
6D-AGM 200Ah
. We have a total battery bank size of 1040Ah divided by each battery size of 200Ah to get 5.2 batteries; round this figure up to (6) batteries (never round down). This battery bank will all equate to (8) 12v batteries wired in series to get the 96vdc needed by (6) batteries wired in parallel to get the 1042Ah needed. You would end up needing a total of (48) 12v 200Ah deep cycle batteries for this project. The terminology for this would be 6 strings of 8 batteries.

The
Solar Panels
required are sized much like the batteries. Take the 5kw system we came up with and go from there. Find the best quality panels you can find and take their wattage rating and divide that amount into the total required wattage of 5000 watts. The
charge controller
in this example would be one rated at 96vdc by 60amp (these can handle up to 5.7Kw).

As was mentioned earlier, there are calculators on the web to help you handle this whole process; but even programs can miscalculate. We always utilize both methods to make sure we have the right figures. Batteries can easily cost similar to what your solar array, so you want to make certain to get it right the first time!

SolarVolt Power
is a micro manufacturer of solar modules, and is centrally located in the United States in the city of Yukon, Oklahoma. We sell both wholesale and retail our own OEM solar modules and other high quality solar products that can produce a complete solar power system. For more information, and for finished goods availability and lead times, please contact the SolarVolt Power customer service department.

Ian’s Offgrid PV Power System

50W 18V Solar Module Panel DC 12V Marine Power Generator Off Grid System boat RV $0.00

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45w Solar Lighting Kit Off Grid Power, 12 v cell system $0.00

2000W DC 12V to AC 220V Power Inverter 3000W PEAK Off Grid Sine wave System CAR $0.00

40 Watt DC 12 Volt Solar Power Panel DC 12V Battery Charger Off Grid System MPPT $0.00

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500W DC12V to AC220V Off Grid Power Inverter Marine Boat 12V DC battery system $0.00

A Complete Guide to the Installation of Off-Grid PV Solar Power Systems $55.00 This DVD set is a 4 hour, 16 chapter comprehensive course on the installation of Off-Grid photovoltaic solar power electric systems. It is designed to take the complete beginner to full competency. The course is taught by Bob Nagy who is the teacher in over 40 videos on high-tech subjects. Bob’s bio includes 20 years at the University of Texas, ABC TV, and NASA. His clear and friendly style bri…

Learn Sun Power:(DVD) How to Set up Batteries, Inverter, Charge Controller, and Panels for a Complete Off-grid Solar Energy System $39.95 If you want to put together a solar power system yourself this DVD is for you. Although it covers an off-grid system it is just as helpful for someone who wants to be partially on grid but would rather set up the system themselves. This is not an overview but rather programmed instruction. This DVD shows, step-by-step, how a 650-watt, off-grid, do-it-yourself solar-panel system was set up. The sys…

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Outback VFX 3524 Inverter $1,727.97 Vented 120 VAC/60 Hz (DC Cover Included) 3500 Watt 24 Volt DC, 85 Amp Charger, 60 Amp AC input…

Voltaic Solar Backpack – Off-Grid Solar Backpack – Solar Bag $289.00 The Off-Grid Solar Backpack by Voltaic Systems is the largest of the Voltaic Solar Backpacks. This very powerful solar cell phone charger not only charges most popular cell phones like iPhones, Blackberrys, HTC, Motorola and many others but also charges devices such as digital cameras, portable gaming devices and Portable GPS units. This bag has lots of room – 1500 cubic inches (25 liters) storage…

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Eccotemp L5 Portable Tankless Water Heater and Outdoor Shower $149.00 Enjoy instant hot water wherever you go with the Eccotemp L5 Portable Tankless Water Heater. Generating more than 1 gallon of hot water per minute, this compact, energy-efficient heater creates a more comfortable and convenient outdoor experience for you and your family. The water heater comes with everything you need, including the adapters required to attach any standard garden hose nozzle and p…

Designers Edge L-949 10 LED Rechargeable Solar Panel Shed Light $16.65 …

3 LEDme Round Trim Downlight with Housing – Finish: Brushed Nickel / White $37.8 WAC5318: Features of LEDme Round Trim Downlight: -Round trim down light. -Available in white or brushed nickel finish. -Reflector available in black or white finish. -Recessed trim with interior step baffle reflector. -Fingered retention clips firmly hold trim to housing. -Handles surfaces up to 0.75 . -Deep regression of source produces a very low glare system with 40 cut-off angle. -Full scale dimming to 1%. -Light level for 3000K, 41 foot candles at 5 feet, 16 foot candles at 8 feet. -Narrow flood beam spread and 40 visual cutoff. -Replaceable LED Module. -50,000 Hour potential life. -UL and cUL listed for damp locations. Specifications: -Manufacturer provides a five year warranty. -Overall dimensions: 2.375 H x 4.5 W x 4.5 D. Features of LEDme Downlight New Construction IC Housing: -Downlight new construction non-IC housing. -Available in 3000K or 4500K Color temperature. -Available in 350lm or 400lm Lumens. -LED IC rated new construction housing. -Input Voltage: 120V AC /60Hz. -Power Factor 0.9. -Dimming with thermal protection. -Load: Max 3W. -Supplied with hanger bars, adjustable from 15”-24 1/2” to accommodate various joist construction and grid sizes. -Can be completely covered with insulation. -Provides 70% average lumen maintenance at 50,000 hrs. -Provided with Push-in wire connector for easy installation. -Accommodate up to a 1 ceiling thickness. -Dimming range from 100% to 1%. -ANSI compliant Warm/Neutral LEDs. -40 Visual cut off angle. -Replacement modules. -Far more resistant to vibration than incandescent or fluorescent downlights. -Hanger bars include a captive mounting screw-nail” for ease of installation. -LEDs included. -Suitable for direct contact with insulation. -3 Clearance on all sides must be maintained when insulation is present. -UL and cUL listed for damp locations. Specifications: -Manufacturer provides a five year warranty. -Overall dimensions: 5.125 H x 3.875 W x 3.875 D. Features of LEDme Downlight New Constructi

3 LEDme Round Trim Downlight with Housing – Finish: White / White $41.4 WAC5318: Features of LEDme Round Trim Downlight: -Round trim down light. -Available in white or brushed nickel finish. -Reflector available in black or white finish. -Recessed trim with interior step baffle reflector. -Fingered retention clips firmly hold trim to housing. -Handles surfaces up to 0.75 . -Deep regression of source produces a very low glare system with 40 cut-off angle. -Full scale dimming to 1%. -Light level for 3000K, 41 foot candles at 5 feet, 16 foot candles at 8 feet. -Narrow flood beam spread and 40 visual cutoff. -Replaceable LED Module. -50,000 Hour potential life. -UL and cUL listed for damp locations. Specifications: -Manufacturer provides a five year warranty. -Overall dimensions: 2.375 H x 4.5 W x 4.5 D. Features of LEDme Downlight New Construction IC Housing: -Downlight new construction non-IC housing. -Available in 3000K or 4500K Color temperature. -Available in 350lm or 400lm Lumens. -LED IC rated new construction housing. -Input Voltage: 120V AC /60Hz. -Power Factor 0.9. -Dimming with thermal protection. -Load: Max 3W. -Supplied with hanger bars, adjustable from 15”-24 1/2” to accommodate various joist construction and grid sizes. -Can be completely covered with insulation. -Provides 70% average lumen maintenance at 50,000 hrs. -Provided with Push-in wire connector for easy installation. -Accommodate up to a 1 ceiling thickness. -Dimming range from 100% to 1%. -ANSI compliant Warm/Neutral LEDs. -40 Visual cut off angle. -Replacement modules. -Far more resistant to vibration than incandescent or fluorescent downlights. -Hanger bars include a captive mounting screw-nail” for ease of installation. -LEDs included. -Suitable for direct contact with insulation. -3 Clearance on all sides must be maintained when insulation is present. -UL and cUL listed for damp locations. Specifications: -Manufacturer provides a five year warranty. -Overall dimensions: 5.125 H x 3.875 W x 3.875 D. Features of LEDme Downlight New Constructi

4.5 LEDme Square Trim Downlight with Housing – Finish: Brushed Nickel / White $41.4 WAC5320: Features of LEDme Square Trim Downlight: -Square trim down light. -Available in white or brushed nickel finish. -Reflector available in black or white finish. -Square open trim. -Fingered retention clips firmly hold trim to housing. -Handles surfaces up to 0.75 . -Deep regression of source produces a very low glare system with 40 cut-off angle. -Full scale dimming to 1%. -Light level for 3000K, 41 foot candles at 5 feet, 16 foot candles at 8 feet. -Narrow flood beam spread and 40 visual cutoff. -Replaceable LED Module. -50,000 Hour potential life. -UL and cUL listed. Specifications: -Manufacturer provides a five year warranty. -Overall dimensions: 2.375 H x 4.5 W. Features of LEDme Downlight New Construction IC Housing: -Downlight new construction non-IC housing. -Available in 3000K or 4500K Color temperature. -Available in 350lm or 400lm Lumens. -LED IC rated new construction housing. -Input Voltage: 120V AC /60Hz. -Power Factor 0.9. -Dimming with thermal protection. -Load: Max 3W. -Supplied with hanger bars, adjustable from 15”-24 1/2” to accommodate various joist construction and grid sizes. -Can be completely covered with insulation. -Provides 70% average lumen maintenance at 50,000 hrs. -Provided with Push-in wire connector for easy installation. -Accommodate up to a 1 ceiling thickness. -Dimming range from 100% to 1%. -ANSI compliant Warm/Neutral LEDs. -40 Visual cut off angle. -Replacement modules. -Far more resistant to vibration than incandescent or fluorescent downlights. -Hanger bars include a captive mounting screw-nail” for ease of installation. -LEDs included. -Suitable for direct contact with insulation. -3 Clearance on all sides must be maintained when insulation is present. -UL and cUL listed for damp locations. Specifications: -Manufacturer provides a five year warranty. -Overall dimensions: 5.125 H x 3.875 W x 3.875 D. Features of LEDme Downlight New Construction Non-IC Housing: -Downlight new construction non-IC housi

60 Watt Solar Charger $399.99 Nature Power Monocrystalline Solar Panels take the sun s energy and turns it into electric current. Each solar panel is rated by wattage at working voltage the higher the wattage the more power you will receive per hour and the quicker you can recharge 12 volt batteries. These solar panels are high efficiency 12 volt solar panels featuring sturdy aluminum frames and high transparency tempered glass tops. They have a scratch resistant and antireflective coating to help keep the solar panel in good shape for many years. They are rugged enough to be permanently mounted outdoors or even on mobile applications such as RVs and boats. The entire module is sealed against moisture. Designed for charging 12 volt batteries in off grid applications of any scale a solar charge controller is required to keep your batteries from being overcharged. Designed for use with Nature Power 8 Amp Solar Charge Controller or Nature Power 28 Amp Solar Charge Controller. Deep cycle 12 volt batteries will store and provide the power generated from the solar panels. Installation time is minimal thanks to plug and play connections and included flat mounting hardware. Monocrystalline is the most efficient type of solar cell available on the market letting you get the most power per square inch. More durable than amorphous type solar panels the Nature Power Monocrystalline Solar Panels are warrantied to retain at least 80% efficiency up to 25 years. Each Nature Power Monocrystalline Solar Panel features a blocking diode and a bypass built within the wiring protects your batteries draining due to reverse current and power loss due to shade. Solar panels operate silently and without fuel or fumes. An optional tilt mounting system is available separately. length: 21.5. height: 2. width: 31.5

Canon FS200 Flash Memor Camcorder – Red $348 DIGIC DV II Image Processor – shoot up to five 1024 x 768 still images per second : Widescreen HR Recording – 16 – 9 widescreen : Quick Charge – in 20 minutes, you can charge up to approximately 60 minutes of recording time : Dual Shot Mode makes capturing video and photos faster and easier than ever : Image Stabilization : Pre-Record – camcorder continuously records three seconds of video to memory before you even press the record button : Variable Zoom Speed Control : Level and Grid Markers : Program AE mode – Portrait, Sports, Night, Snow, Beach, Sunset, Spotlight and Fireworks : Low Light – up to 4.9 feet away : DVD Burner Compatible : Auto Intelligent Auto Focus (AiAF) : Auto Exposure Modes : PictBridge-compatible : Standard Definition : Television System – NTSC : Video Recording system – MPEG-2 : Zoom Ratio 41x Advanced Zoom; 37x Optical / 2000x Digital : Focal length f=2.6 – 96.2mm (35mm equivalent – 45.8 – 1695mm, Advanced Zoom OFF, 16 – 9) : White Balance – Auto, Daylight, Tungsten, and Manual : Recording Media – SDHC Memory Card (32GB max), not included : Dolby Digital 2 : Mic Terminal – 3.5 mm mini-jack : AV Mini Terminal/Headphone Terminal – 3.5 mm 4-pole mini-jack (video/audio output only), Headphone (input) : In the box – : FS200 Camcorder : Battery Pack : Compact Power Adapter : Stereo Video Cable : USB Interface Cable (2.0 Hi-Speed) : Wrist Strap : Digital Video Solution Disk : Pixela ImageMixer 3SE Video Editing Software : Music CD : Unit Dimensions – 2.2 W x 2.3 H x 4.8 D in.; Weight – 7.9 oz. (not including lens and battery pack), 10.1 oz : Manufacturer’s 1-year parts and labor limited warranty

Elenco OWI-MSK676 OWI Aerial Cable Car $13.27 Some of the world s aerial tramways transport people to breathtaking views and allow them to have panoramic memories as the world unfolds beneath them. The view from Aerial Cable Car arguably could be the best seat in the house. Generated power for most trams or cable cars are under constant computer monitoring. Aerial Cable Car power grid system is simple – bright sun power on little or no sun power off. The unit is quiet and stealth. If you were on a secret mission and needed to pass a message from check off point Bravo to rendezvous point Romeo Aerial Cable Car could possibly be the messenger. The fun is inside box. You create the adventure. Transport cable automatic round trip return stoppers solar panel and 30 plastic parts to assemble are included. Environmentally safe no batteries required. It challenges young people to be technically precise with miniature parts and teaches students to follow precise visual diagrams. Clear easy to follow instructions.

Financial Incentives for Renewable Energy Development: Proceedings of an International Workshop, February 17-21, 1997, Amsterdam, the Netherlands $22 The World Bank is providing assistance to the Government of China to help develop recommendations for changes to China’s present system of financial incentives for commercial renewable energy development. This book reports on a Bank workshop that examined international experience with financial incentives for grid-connected wind power systems and off-grid photovoltaic systems in the United Kingdom, Germany, the Netherlands, Denmark, the United States (California), India, and China. The collective experiences of the countries were further examined to indicate other directions for developing financial incentives for market-based renewable energy development, as well as the underlying reasons for these tendencies.

HVDC Power Transmission System $55.83 New – The application of HVDC technology has received new impetus with the evacuation of large quantum of power from remote hydro and thermal stations. In addition, the controlability of power flows in the power grid has added a new dimension ot the use of HVDC links in the context of developing Smart Grids. The power transfer from off-shore wind generation is another new application. DC transmission at distribution level voltages (using VSC-HVDC) is also being considered for integration of d

HVDC Power Transmission System $17.55 New – The application of HVDC technology has received new impetus with the evacuation of large quantum of power from remote hydro and thermal stations. In addition, the controlability of power flows in the power grid has added a new dimension ot the use of HVDC links in the context of developing Smart Grids. The power transfer from off-shore wind generation is another new application. DC transmission at distribution level voltages (using VSC-HVDC) is also being considered for integration of d

HVDC Power Transmission System $55.83 Used – The application of HVDC technology has received new impetus with the evacuation of large quantum of power from remote hydro and thermal stations. In addition, the controlability of power flows in the power grid has added a new dimension ot the use of HVDC links in the context of developing Smart Grids. The power transfer from off-shore wind generation is another new application. DC transmission at distribution level voltages (using VSC-HVDC) is also being considered for integration of

Homebrew Wind Power: A Hands-On Guide to Harnessing the Wind $21.67 Used – Harnessing the wind can be a tricky business, but in this ground-breaking book the authors provide step-by-step, illustrated instructions for building a wind generator in a home workshop and then installing it in an off-grid home electric system. Even if you don’t plan on building your own turbine, this book is packed with valuable information for anyone considering wind energy. It covers the basic physics of how the energy in moving air is turned into electricity, and most importantly, i

Homebrew Wind Power: A Hands-On Guide to Harnessing the Wind $28.34 New – Harnessing the wind can be a tricky business, but in this ground-breaking book the authors provide step-by-step, illustrated instructions for building a wind generator in a home workshop and then installing it in an off-grid home electric system. Even if you don’t plan on building your own turbine, this book is packed with valuable information for anyone considering wind energy. It covers the basic physics of how the energy in moving air is turned into electricity, and most importantly, it

How to Live Off-grid: Journeys Outside the System $6.61 Used – Literally, the word ‘off-grid’ refers to places or people without mains water or power. Off-grid locations can range from private islands to yurts and tree-houses; the people living there might be back-packers, right wing survivalists, international business travellers or hippies; they may move around in buses or yachts, houseboats or 4-wheel drives. All are outside or in between the criss-crossing lines of power, water and phone that delineate the civilized world. Some are trying to save

Lights Out: The Electricity Crisis, the Global Economy, and What It Means to You $27.95 A behind-the-scenes expos of why our electricity system is headed for a state of emergency and what can be done to head it off Most people don t realize that skyrocketing global energy demand and economic growth severely affect the supply of electricity. Between production (power plants) and delivery is an antiquated, third-world transmission grid that is in desperate need of hardening against breakdowns, terrorist attacks, inadequate carrying capacity, and operational obsolescence. And while electricity doesn t hold the headlines or dramatic power of oil, the ability to ensure its uninterrupted supply at a reasonable price is even more essential to global survival and prosperity. Lights Out is today s most detailed, in-depth examination of this largely unreported looming energy crisis. Written by one of the world s top electricity industry experts, this powerful book covers numerous hot button economic and political issues free markets versus regulation; energy independence versus foreign imports; nuclear power, global warming, and other environmental issues; and much more. Beyond just uncovering and illuminating the problems, however, it proposes a comprehensive road map of technical solutions and regulatory reform from both the production and demand sides of the equation a framework for rethinking, rebuilding, and enhancing the entire electricity production and delivery infrastructure. Prescriptive and provocative, Lights Out will redefine the simmering debate on how the world can and must act now to head off a global catastrophe, one that could eventually wreak even more havoc than the ongoing oil crisis.Jason Makansi (St. Louis, MO) is the President of Pearl Street Inc., a consulting firm focused on all aspects of electricity production and delivery. He is the Executive Director of the Energy Storage Council and Editor in Chief of Power and Electric Power International magazines. M

Microgeneration: Blackie and the Rodeo Kings $9.62 Purchase includes free access to book updates online and a free trial membership in the publisher’s book club where you can select from more than a million books without charge. Excerpt: Microgeneration is the generation of zero or low-carbon heat and power by individuals, small businesses and communities to meet their own needs. Microgeneration technologies include small scale wind turbines, Micro hydro, photovoltaic solar systems, Plant Microbial Fuel Cells, ground source heat pumps, and Micro Combined Heat and Power (MicroCHP) installations. In addition to the electricity production plant (e.g. wind turbine, solar panel, …), infrastructure for energy storage and power conversion and a hook-up to the regular electricity grid is usually needed and/or foreseen. Although a hookup to the regular electricity grid is not essential, it helps to decrease costs by allowing financial recompensation schemes. In the developing world however, the start-up cost for this equipment is generally too high, thus leaving no choice but to opt for alternative set-ups. A complete PV-solar systemThe whole of the equipment required to set up a working system and for an off-the-grid generation and/or a hook up to the electricity grid herefore is termed a balance of system and is composed of the following parts with PV-systems: A major issue with off-grid solar and wind systems is that the power is often needed when the sun is not shining or when the wind is calm, this is generally not required for purely grid-connected systems: or other means of energy storage (e.g. hydrogen fuel cells, Flywheel energy storage, Pumped-storage hydroelectric, compressed air tanks, …) For converting DC battery power into AC as required for many appliances, or for feeding excess power into a commercial power grid: Usually, in microgeneration for homes in the developing world, a prefabricated house-wiring systems (as wiring harnesses or prefabricated distribution un… More:

Ngu $37 Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. High Quality Content by WIKIPEDIA articles! This is a service that large power users such as steel works, cold stores, large water pumps, can offer to the UK National Grid. These contractors have frequency sensitive relays fitted to the incoming breakers, and these disconnect the load if the system frequency falls beyond a pre-set figure. For example, one site may be at 49.8 HZ, but the relays are all set at slightly different values to ensure a smooth progression of disconnection as frequency falls. These loads are contracted to stay off for a maximum of about 20 minutes. Within twenty minutes, Standing Reserve (Reserve Service) diesels of similar capacity (i.e., around 660 MW total) start up, and enable the Frequency Service loads to be re-connected and the relays re-armed.

Off-The-Grid Electricity: Photovoltaics, Sunlight, Photocurrent, Solar Cell, History of Photovoltaics, Space-Based Solar Power $35.35 Purchase includes free access to book updates online and a free trial membership in the publisher’s book club where you can select from more than a million books without charge. Chapters: Photovoltaics, Sunlight, Photocurrent, Solar Cell, History of Photovoltaics, Space-Based Solar Power, Cadmium Telluride Photovoltaics, Carbon Nanotubes in Photovoltaics, Airmass, Concentrating Solar Power, Shockley-queisser Limit, Organic Solar Cell, Transparent Conducting Film, Low-Cost Photovoltaic Cell, Thin Film Solar Cell, Photovoltaic Module, Photovoltaic System, Photovoltaics in Transport, Photovoltaic Array, Solaredge, Off-The-Grid, Quantum Efficiency of a Solar Cell, Tandem Cell, 31 Tannery Project, Solar Inverter, Solar Shingles, Texas Solar Power, Solar Chemical, Black Silicon, Solar Roadway, Conductive Ink, Stand-Alone Power System, Solar Guerrilla, Fill Factor, Clean Energy Project, Open-Circuit Voltage, Solar Tree, Ac Module. Excerpt: A solar cell is a device that converts the energy of sunlight directly into electricity by the photovoltaic effect. Sometimes the term solar cell is reserved for devices intended specifically to capture energy from sunlight such as solar panels and solar cells, while the term photovoltaic cell is used when the light source is unspecified. Assemblies of cells are used to make solar panels, solar modules, or photovoltaic arrays. Photovoltaics is the field of technology and research related to the application of solar cells in producing electricity for practical use. The energy generated this way is an example of solar energy (also known as solar power). A solar cell made from a monocrystalline silicon wafer The term “photovoltaic” comes from the Greek (phs) meaning “light”, and “voltaic”, meaning electric, from the name of the Italian physicist Volta, after whom a unit of electro-motive force, the volt, is named. The term “photo-voltaic” has been in use in English since 1849. The photovoltaic effec… More:

Passport to Jupiter [The Demi-Gods #1] $4.99 First Volume of Nebula Nominee’s “Lost” Future History Series! In this sf masterwork which has never been reprinted since its original magazine publication, virtual reality, genetic engineering and technological breakthroughs have extended life, cleaned up the environment, and assured abundance for everyone, ushering in an era of peace and plenty around the world. Everyone tunes in to experience first hand, via the sensipsych, the broadcast adventures of the real life Hartwell’s, an adventurous family of explorers who visit new, largely unknown corners of the solar system each week. But, real adventure, even scientific progress seems dead. Humanity has become a race of drones dreaming its life away. And one group knows it has the answer: violence! Rip up civilization and return humanity it to its roots, the struggle for survival. Never mind the millions, perhaps billions, who will die and suffer. The liberation of humanity from the chains of torpor is worth any price, isn’t it? Enter Anson Nord, science fiction’s most unlikely hero. Plump, genial, decent, a through-going suburbanite, Nord’s not in favor of violence, but he can see the trap humanity is caught in. So, when revolution breaks out, when the world’s media center and power grid is bombed, cutting off the virtual reality broadcasts and power, it will be Anson Nord who leaves his comfortable home and life behind and makes a daring voyage to Jupiter, in search of the Hartwells who have disappeared. There on one of Jupiter’s moons await the ruins of an ancient civilization. And, there Nord will make a discovery that points directly to the death of humanity under the weight of perfection or its liberation in the face of achallenge that will render the revolutionaries’ violence unnecessary. But how can a man who likes to mow his lawn and tune into his favorite virtual reality shows survive the dangers of space, treachery aboard his own ship, the perils of an alien race, and the crushing gravity of Jupiter?

Perfect Power $24.95 The perfect solution to America”s energy problem–from Motorola”s legendary former chairman and CEO This timely book lays out a step-by-step energy plan that will change the way we use power, prevent blackouts, reduce costs, and revolutionize the way electricity is used. Techno pioneers Galvin and Yeager prescribe a perfect system that can deliver Nine Sigma power 99.9999999 percent of the time, as well as other off the grid alternatives. Galvin and Yeager”s visionary plan points to a new direction of innovation that is a wake-up call for everyone in the industry–and a must read for environmentalists, investors, entrepreneurs, and homeowners.

Power Stations in Northern Ireland: Coal-Fired Power Stations in Northern Ireland, Natural Gas-Fired Power Stations in Northern Ireland $8.41 Purchase includes free access to book updates online and a free trial membership in the publisher’s book club where you can select from more than a million books without charge. Chapters: Coal-Fired Power Stations in Northern Ireland, Natural Gas-Fired Power Stations in Northern Ireland, Oil-Fired Power Stations in Northern Ireland, Seagen, Ballylumford Power Station, Kilroot Power Station, Garves Wind Farm, Coolkeeragh Power Station. Excerpt: SeaGen is the world’s first large scale commercial tidal stream generator. It is four times more powerful than any other tidal stream generator in the world. The first SeaGen generator was installed in Strangford Narrows between Strangford and Portaferry in Northern Ireland in April 2008 and was connected to the grid in July 2008. It generates 1.2 MW for between 18 and 20 hours a day while the tides are forced in and out of Strangford Lough through the Narrows. Interestingly, Strangford Lough was also the site of the very first known tide mill in the world, the Nendrum Monastery mill where remains dating from 787 have been excavated. The SeaGen rotors can be raised above the surface for maintenance. SeaGen’s predecessor, the 300 kW ‘SeaFlow’ turbine off the north coast of DevonMarine Current Turbines, the developer of SeaGen, demonstrated first prototype of tidal stream generator in 1994 with a 15 kilowatt system in Loch Linnhe, off the west coast of Scotland. In May 2003, the prototype for SeaGen, ‘SeaFlow’, was installed off the coast of Lynmouth, North Devon, England. Seaflow was a single rotor turbine which generated 300 kW but was not connected to the grid. SeaFlow was the world’s first offshore tidal generator, and remained the world’s largest until SeaGen was installed. SeaGen generator weights 300 tonnes. It consists of twin axial-flow rotors of 16 metres (52 ft) in diameter, each driving a generator through a gearbox like a hydro-electric or wind turbine. These turbines have … More:

Power With Nature $25 Be your own power company and let Mother Nature provide the energy! By investing in affordable, new technologies, you can join the thousands of homeowners who get free electricity from the sun, wind and water. In this updated 2nd edition of Power With Nature, you’ll learn how easy it is to use renewable energy to become self-sufficient and live well anywhere! * Off-Grid Solar PV, Wind & Micro-Hydro Systems * Homeowner Profiles ( Personal Power Companies ) * Utility Grid-Tie Options * Sizing Your System * Charge Controllers, Inverters, Batteries * Putting It All Together Safely * Heating of House and Water: solar hot water, wood stoves/boilers, corn stoves, and more * Pumping Water * Extensive Appendices (worksheets, maps, resources), glossary, index

Solar Pump and Filtration System $739.99 BWV1428: 100% solar powered unit filters your pool water – off the grid. This is the first 100% solar powered, portable floating pump and filtration system. Simply turn the system on, place it in your pool and it immediately begins to filter your pools water without external electricity. The system is powered by an array of solar cells on the top of the unit which generate electricity, which powers the pump underneath the unit. As the system floats around the pool the pump is pulling water through the three cartridge filters – purifying your pool water. You can turn off that loud expensive pool pump and let the quiet solar powered filtration system glide across your pool keeping it clean. Features: -Solar pump and filtration system. -Powered system needs a sunny pool area in order to operate. -Lightweight and easy to remove when swimming. -Low voltage solar electricity is safe and once the units cartridges are dirty, simply rinse off with a high pressure hose. -Power your pool off the grid with this solar powered filtration system. -Unit qualifies for federal and local tax credits. -Doesn’t function in shade or partial shade. -No installation required. -Pays for itself in as little as 3 years. -100% Filtration swimming pools up to 15.000 gallons. -Since pool pumps cost over 100.00/month to operate, this unit pays for itself in less than 3 years. -Innovative product won ‘Best Green Product’ at the International Pool/Spa and Patio Expo. -3 Year warranty. -Dimensions: 11 H x 33 W x 16 D.

Stagecraft Introduction: Led Stage Lighting, Source Four Par, Kevin Adams, Lighting Control System, Catwalk, Robert Wierzel, Martin Light $25.51 Purchase includes free access to book updates online and a free trial membership in the publisher’s book club where you can select from more than a million books without charge. Chapters: Led Stage Lighting, Source Four Par, Kevin Adams, Lighting Control System, Catwalk, Robert Wierzel, Martin Light, Haze Machine, Dan Covey, A2, Seachanger Color Engine, Theater Drapes and Stage Curtains, Strand Lighting, John Lee Beatty, Technical Crew, Scene Shop, Brian Macdevitt, Howell Binkley, Theatrical Blood, Prompt Corner, Platform, 0-10 V Lighting Control, John Wulp, Dennis Parichy, C-Clamp, Genlyte Group, Instrument Schedule, Worklight, James F. Ingalls, Non-Dim Circuit, Roger Morgan, Kenneth Posner, Tension Grid, Barn Doors, Scoop, Beam Projector, Coffin Lock, Carpenter, Twofer, Lekolite, Cue Light, Fly Crew, Amx192, Box Set, Bald Cap, Striplight, Crash Box, Brace, Godspot, Shell, Color Magazine, Channel Hookup, Top Hat, Technical Master, Source Four Parnel, Special, Fly Captain, Spirit Gum, Dresser, Charge Scenic Artist, Andrew Bridge, Property Designer, Prague Quadrennial, Mansion Stage, Bastard, United Scenic Artists, Front Curtain, Chase, Curtain Raiser, Breakaway Vase. Excerpt: 0-10 V is one of the earliest and simplest electronic lighting control signalling systems; simply put, the control signal is a DC voltage that varies between zero and ten volts . The controlled lighting should scale its output so that at 10 V, the controlled light should be at 100 % of its potential output, and at 0 V it should at 0 % output (i.e. “Off”). Dimming devices may be designed to respond in various patterns to the intermediate voltages, giving output curves that are linear for: voltage output, actual light output, power output, or perceived light output. There are two possible, and incompatible, variations to the 0 to 10 V system: 0 to -10 V and 0 to +10 V . Both systems were widely implemented by lighting manufacturers. In production lighting this system was

The Nuclear Economy $29.82 The Earth is finite. Fossil fuels are not renewable. The basis of all economic growth and activity is now in jeopardy. As these fuels begin to run short in years and very short in decades, the global economic system will need to find an alternative source of energy or it will completely collapse. Equally disturbing, fossil fuel combustion produces carbon dioxide-the greenhouse gas attributed to climate change scientists are warning could lead to mass drought, famine and positive feedbacks that increase warming further. Could the entire world be facing the most catastrophic culmination of events in human history?Most purported solutions to the energy conundrum are either too small to matter or have a fatal flaw. Hydroelectric power is low-cost, but cannot be expanded. Geothermal power is available in only favorable tectonic locations, and likewise cannot be expanded. Biomass as currently practiced (corn ethanol or soybean diesel) produces such small gains in net-energy that no amount of farmland could contribute significantly to reducing fossil fuel consumption. The average capacity factor of photovoltaic solar is 14%; wind 27%. The fatal flaw is that battery technology is not sufficient to store sporadic and unreliable power coming in off the grid for when it isn’t sunny or windy. Efficiency has always coincided with increased, rather than decreased, fossil fuel consumption. Hydrogen isn’t a source of energy, it is merely a carrier of energy. And finally, while the world still has enough coal, we have yet to demonstrate large-scale, long-term storage of carbon dioxide, the greenhouse gas attributed to runaway climate change. Two-thirds of world energy now comes from oil and natural gas-which are running short. According to the International Energy Agency, 580 of the 800 largest oil fields in the world now have declining production. Will the 21st century be the century that civilization as we know it comes to an end?As articulately

The Nuclear Economy $9.99 The Earth is finite. Fossil fuels are not renewable. The basis of all economic growth and activity is now in jeopardy. As these fuels begin to run short in years and very short in decades, the global economic system will need to find an alternative source of energy or it will completely collapse. Equally disturbing, fossil fuel combustion produces carbon dioxide-the greenhouse gas attributed to climate change scientists are warning could lead to mass drought, famine and positive feedbacks that increase warming further. Could the entire world be facing the most catastrophic culmination of events in human history?Most purported solutions to the energy conundrum are either too small to matter or have a fatal flaw. Hydroelectric power is low-cost, but cannot be expanded. Geothermal power is available in only favorable tectonic locations, and likewise cannot be expanded. Biomass as currently practiced (corn ethanol or soybean diesel) produces such small gains in net-energy that no amount of farmland could contribute significantly to reducing fossil fuel consumption. The average capacity factor of photovoltaic solar is 14%; wind 27%. The fatal flaw is that battery technology is not sufficient to store sporadic and unreliable power coming in off the grid for when it isn’t sunny or windy. Efficiency has always coincided with increased, rather than decreased, fossil fuel consumption. Hydrogen isn’t a source of energy, it is merely a carrier of energy. And finally, while the world still has enough coal, we have yet to demonstrate large-scale, long-term storage of carbon dioxide, the greenhouse gas attributed to runaway climate change. Two-thirds of world energy now comes from oil and natural gas-which are running short. According to the International Energy Agency, 580 of the 800 largest oil fields in the world now have declining production. Will the 21st century be the century that civilization as we know it comes to an end?As articulately

The Nuclear Economy $16.83 The Earth is finite. Fossil fuels are not renewable. The basis of all economic growth and activity is now in jeopardy. As these fuels begin to run short in years and very short in decades, the global economic system will need to find an alternative source of energy or it will completely collapse. Equally disturbing, fossil fuel combustion produces carbon dioxide-the greenhouse gas attributed to climate change scientists are warning could lead to mass drought, famine and positive feedbacks that increase warming further. Could the entire world be facing the most catastrophic culmination of events in human history?Most purported solutions to the energy conundrum are either too small to matter or have a fatal flaw. Hydroelectric power is low-cost, but cannot be expanded. Geothermal power is available in only favorable tectonic locations, and likewise cannot be expanded. Biomass as currently practiced (corn ethanol or soybean diesel) produces such small gains in net-energy that no amount of farmland could contribute significantly to reducing fossil fuel consumption. The average capacity factor of photovoltaic solar is 14%; wind 27%. The fatal flaw is that battery technology is not sufficient to store sporadic and unreliable power coming in off the grid for when it isn’t sunny or windy. Efficiency has always coincided with increased, rather than decreased, fossil fuel consumption. Hydrogen isn’t a source of energy, it is merely a carrier of energy. And finally, while the world still has enough coal, we have yet to demonstrate large-scale, long-term storage of carbon dioxide, the greenhouse gas attributed to runaway climate change. Two-thirds of world energy now comes from oil and natural gas-which are running short. According to the International Energy Agency, 580 of the 800 largest oil fields in the world now have declining production. Will the 21st century be the century that civilization as we know it comes to an end?As articulately

Tripp Lite PDUMH30HVATNET Switched ATS PDU 208/240V 30A 16 C13; 2 C19; 1 L6-30R 2U RM $731.1 PDUMH30HVATNET 2U horizontal rackmount Auto Transfer Switch / ATS offers 30A 208/240V multi-outlet power distribution with dual input connections, individually switched outlets, built-in network interface and digital current metering. Includes separate L6-30P primary and secondary input cords and 19 switched output receptacles. Built-in network interface enables remote SNMP/Web monitoring and control. Remotely displays status of input power, load level and outlet power status via secure network or web browser interface. Supports optional environmental and contact-closure sensor options. Offers programmable or real-time individual outlet control to power on, off, or cycle AC output to regain control of locked-up servers and other network devices.Tripp Lite Automatic Transfer Switch / ATS systems enable advanced redundant power configurations for network equipment with a single AC input connection. Separate primary and secondary cables support connection to any two compatible power sources. ATS systems normally maintain continuous output to all outlets as derived from the primary input. If the primary power source becomes unstable or fails altogether in relation to the secondary input, the ATS will automatically switch over to the secondary power source until the primary input is restored and stable. ATS functionality is supported by any two compatible AC power sources, regardless of phase angle to offer support for a variety of unique redundant power applications.Enables fault tolerant hot-swappable UPS protection when used with a single UPS and fully redundant UPS protection when each cord is connected to a separate UPS system. In a two-UPS environment, the primary input cable must be supported by a full time sine wave online UPS. Tripp Lite SmartOnline series is highly recommended for use as the primary UPS in a two-UPS application. ATS configurations utilizing separate mains circuits, backup generators and even separate utility power grid feeds are

Vehicles With Wheel Motors $8.59 Purchase includes free access to book updates online and a free trial membership in the publisher’s book club where you can select from more than a million books without charge. Not illustrated. Excerpt: The Eliica (or the Electric Lithium-Ion Car) is a battery electric vehicle prototype or concept car first shown in 2004 and designed by a team at Keio University in Tokyo, led by Professor Hiroshi Shimizu. The 5.1 m (17 ft) car runs on a lithium-ion battery and can accelerate from 0100 km/h (62 mph) in four seconds (faster than the Porsche 911 Turbo at the time). In 2004, the Eliica reached a speed of 370 km/h (230 mph) on Italy’s Nardò High Speed Track. The team’s goal is to exceed 400 km/h (250 mph), breaking the record set by today’s street-legal gasoline-powered vehicles. KAZThe Eliica is a refinement of the earlier KAZ (Keio Advanced Zero-emission vehicle), a 6.7 m (22 ft) limousine-sized 8-wheel 8-person electric vehicle prototype of 2003 that also set speed records. Eliica shown at Intex Osaka.The Eliica weighs in at 2,400 kg (5,300 lb) and seats the driver and three passengers. The body was tested in a wind tunnel. The front doors open forward and the rear doors open upward like wings. The car’s platform contains 4 tracks of 80 batteries, which make up one third of the vehicle’s cost. They currently require about 10 hours of recharging from empty to full charge, and can be easily charged off a residential power grid. The car has eight wheels enabling it to be closer to the ground for better traction. Each of the wheels has a 60 kW (80 hp) electric motor, giving a 480 kW (640 hp) eight wheel drive which can tackle all kinds of road surfaces. The four front wheels steer. The electric motors mean that the Eliica can deliver a smooth acceleration free from gear shifts of about 0.8 g. Each wheel contains a disc brake and employs a regenerative brake system to recover energy. There are currently (as of 2005) two versions o… More:

Tags: off grid power system design, off grid power systems, off grid power systems battery bank, off grid power systems canada, off grid power systems nz

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