enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Solar traffic light - Wikipedia

   en.wikipedia.org/wiki/Solar_traffic_light

   Solar-energy-powered school traffic light Solar Panel Battery Enclosure on Traffic Light. Most solar traffic lights use LED lamps as they are more reliable [1] and have more advantages over other lighting devices like CFL lamps as they are more energy efficient, have a longer life span and turn on and turn off quickly. [2] Solar traffic lights ...

3. Cap lamp - Wikipedia

   en.wikipedia.org/wiki/Cap_lamp

   The two most recent variants of the cap lamp are the GEN 4 and GEN 5 models. The GEN 4 model, approved for use by the Mine Safety and Health Administration (MHSA), uses the headpiece of existing cap lamps, but retrofitted with new LEDs and electronics. The GEN 5 model is very similar to the GEN 4 model except with a more intense spot beam that ...

4. Concentrator photovoltaics - Wikipedia

   en.wikipedia.org/wiki/Concentrator_photovoltaics

   To be explicit, consider the power (P) generated by a solar cell under "one-sun" illumination at the earth's surface, which corresponds to a peak solar irradiance Q=1000 Watts/m 2. [21] The cell power can be expressed as a function of the open-circuit voltage (V oc ), the short-circuit current (I sc ), and the fill factor (FF) of the cell's ...