Solar cells high

x5 vaccume thermocouples, solar cells, or dynamos. Direct current may

The other day, I saw an ad for a solar powered vent for my car. The device was advertised to help keep the inside of a car cooler by pushing out the hot stale air and drawing in cooler air through the car’s own air vents. I bought one of these devices to see if it might work. What a joke. This thing just does not move enough air. When placed out in the sun, I could almost feel a bit of wind coming from it. But, in theory, the concept may have some validity. When exposed to direct sunlight, the inside of a car can reach dangerously high temperatures. How hot? On a warm summer day, I placed a wireless temperature sensor in my van. The hottest temperature I have seen so far was 147F. That would kill someone if they spent much of any time in the vehicle. Pets would succumb to such heat in a very short time. The Auto Cool car vent assembly contains a small solar panel and a brush type motor, driving a squirrel cage type fan. The concept is to place the device over an open car window, then roll the window up, so only the lip of the device remains outside. Some rubber gasket material is provided to seal the window, in its slightly open position. The solar panel in the vent measured only 2.1” x 2.1” for a total footprint of 4.4 square inches. But, the actual solar cells encapsulated in that area measured only 1.1” x 1.65” for an area of 1.82 square inches. This put the fill factor at 41%. An 80% fill factor would have certainly have been better. Views: 38

>td >td >With only 4 solar cells, the panel’s voltage measured an expected 2v.  The short circuit current, when exposed to direct sunlight, measured about 100ma.  So, the available power to drive the motor measured only 0.2 watts.  When connected directly to a 2 volt DC power supply, the fan motor drew about 50ma.  This meant that the solar panel puts out more power than the motor needs at 2v.  I suspect that the fan motor is really a 6v device when it should have been a 3v part.  When connected to a 6v supply, the motor drew 250ma of current and moved a lot more air at a 1.5 watt power level.  But, to drive the motor at that kind of power level, a much larger solar panel, like the one shown below would be needed. The other day, I saw an ad for a solar powered vent for my car.  The device was advertised to help keep the inside of a car cooler by pushing out the hot stale air and drawing in cooler air through the car’s own air vents.  I bought one of these devices to see if it might work.  What a joke.  This thing just does not move enough air. When placed out in the sun, I could almost feel a bit of wind coming from it. But, in theory, the concept may have some validity.   When exposed to direct sunlight, the inside of a car can reach dangerously high temperatures.  How hot?  On a warm summer day, I placed a wireless temperature sensor in my van.  The hottest temperature I have seen so far was 147F.  That would kill someone if they spent much of any time in the vehicle.  Pets would succumb to such heat in a very short time. Website http://clickyouwish.com

Solar system for domestic and commerial use with complete installation. after sale back up support Candian brand cells under 5 year warrnty net metering also avalaible on demand we are 24/7 available and just a call away any quer or information required feel free to contact us.

Solar system for domestic and commerial use with complete installation. with after sale back up support Candian brand cells under 5 year warrnty Easily Run 1 Fridge, 3 Fans, 6 Led Lights, 1 Led TV, CCTV Cameras, Wif

High Efficiency A+ Grade Mono Crystalline Solar Cell. Optimized Designed, Long term stability, low breakage rate and color uniformity. long life 25 years, with superior Power Output Performance. High Performance even under low light conditions (Cloudy,Mornings and Evenings) guarantee positive power tolerance(0~+3%) Snow loads tolerance up to 5.4Kpa and wind loads up to 2.4kpa solar Tempered Glass Transmittance 94.5%(high Transmission Rate),Anti-aging, Anti-Fog resistance. Junction Box, Multifunctional Water Proof.   Less power decrease, Preventing from Atrocious weather (Wind and Hail) All Products and Production facilities of SOLARASIA have been Certified by Designated International Organizations Certification    Website http://solarasia.com.pk

High Efficiency A+ Grade Mono Crystalline Solar Cell. Optimized Designed, Long term stability, low breakage rate and color uniformity. long life 25 years, with superior Power Output Performance. High Performance even under low light conditions (Cloudy,Mornings and Evenings) guarantee positive power tolerance(0~+3%) Snow loads tolerance up to 5.4Kpa and wind loads up to 2.4kpa solar Tempered Glass Transmittance 94.5%(high Transmission Rate),Anti-aging, Anti-Fog resistance. Junction Box, Multifunctional Water Proof.   Less power decrease, Preventing from Atrocious weather (Wind and Hail) All Products and Production facilities of SOLARASIA have been Certified by Designated International Organizations Certification   

high lumen microwave motion sensor all in one solar street light led solar light outdoor, more information welcome to website http://www.socreat.com or...

Solar Panels: longi, JA Solar, Zonergy (Mono Perc PV Panels,Capacity:[redacted phone number]W) Inverters: Sofar Solar, Sunways, TESLA HLE, Growatt (On-line System Monitoring via Web/Mobile App) Structures: Customized Frame (MS/GI, Rust protected frames & fixtures for PV Panels. Strong enough and capable to withstand high speed wind. Long life structure) Standard Frames DC Wire: 6mm quality cables or fast cables according to NEPRA by laws. DC Grounding: Lightning with Arrestors, DC wires & Copper Rods. Accessories: Breaker on DC, Breaker on AC Bus bar Panel, Breaker Box, Connectors, Thimbles, Conduits & Miscellaneous (Shiniders) Net Metering: Net Metring Documentation, Approvals, Bi-Directional Meters etc.

High quality solar tech now in okara Pakistan with solid reliable and durable garmany panels A+ quality

High quality solar panels frame prices rawalpindi 2500 only. Made by Galvanized sheet of 14 gauge 2mm thickness. Stock available in rawalpindi. Suitable for all solar panels wattage.

Solar Solutions 1. Generate your own Energy. 2. Get minimum or negative bills with Reverse Metering. 3. Online performance monitoring through FREE App. 4.24/7 Customer Service and On-Site Support. 5.5KW, 10KW Solar Modules Tier 1-Monoperc 6. On-Grid Inventor 7. GI-Rust Protected Fixed Tilt Frames 8. DC wiring from Inventor to Panels (75m) 9. Earthing for DC side 10. Lightining Arrestor & Grounding 11. Netmetering and Bi Directional Meter 12. Acessories and complete in all aspects Note: Terms & Conditions applied Say Good-Bye to Load Shedding & High Electric Bills with Techno Creative JOIN OUR TECHNO CREATIVE FAMILY TODAY

Solar powered - needs no batteries! Fits any vehicle window. Provides a cooler environment for your kids or pets in parked cars. Blows hot air out of the parked car and draws the cool fresh air in. Protects dash, interior, and valuable items in your car from high temperatures. Website http://jmarto.pk/Solar-Powered-Vent-Fan-Car-Auto-Cool

Solar powered - needs no batteries! Fits any vehicle window. Provides a cooler environment for your kids or pets in parked cars. Blows hot air out of the parked car and draws the cool fresh air in. Protects dash, interior, and valuable items in your car from high temperatures.

About Q-Cell Solar Sheets: Q-Cell solar panels combine the best features of all known cell technologies to achieve high performance levels at low cost of electricity (LCOE). This advanced technology ensures Q CELLS solar modules achieve maximum luminous efficiency under real, day to day conditions, even under cloudy skies. Salient Features: Better working then previous technologies. Highly efficient in working nature. Cost effective. Reliable. Product: Solar Panel Brand: Q-Cell Type: Thin Film Condition: New (Recently arrived) Price of these sheets are Rs 54 per watt. 105 watt plate will cost Rs 5670 Only. Limited fresh stock available for home, office or industrial usage. Website http://www.atiqtraders.com