More about Solar Energy (142)

1-12-1999 | Apart from the sun, solar power systems cannot work without a reflow protection diode between the solar panel and the energy store. When c...

1-12-1998 | The design of solar panel systems with a (lead-acid) buffer battery is normally such that the battery is charged even when there is not...

1-07-1996 | Considering the deteriorating state of our environment and the decreasing resources of organic fuel, it is not difficult to predict a much m...

1-05-1996 | The subject solar energy often causes heated debates. Banned as ecological daydreaming by its opponents, solar power technology is hai...

1-12-1995 | This circuit, a. d.c.-d.c. converter, is intended to charge environment-friendly batteries in and environment-friendly way. lt is based...

1-12-1995 | Drying the washing in sunlight has a number of advantages compared with using a tumble dryer: it saves a lot of energy : the ultraviolet...

1-07-1994 | A battery of solar cells can recharge a NiCd battery with better than 80%, efficiency, provided the solar battery voltage exceeds the fu...

1-12-1993 | When a battery is charged by a solar panel during the day, it may discharge via that panel after sunset. This may, of course, be prevente...

1-12-1992 | The simplest solar-cell supply system consists of three parts: a diode, a solar-cell panel, and a rechargeable battery. The diode prevent...

1-07-1992 | Although newer types of solar cell have come to the fore recently, amorphous cells are bound to be with us for some time to come, mainly...