More about solar (180)

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...

1-12-1994 | A solar panel rated at 6 V, 50 mA, provides enough energy to charge faur small NiCd batteries. The problem is, however, that the voltage...

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...

1-10-1993 | Knowing the current drawn (by a battery) or generated (by a solar cell) over aperiod of time is a requirement in many applications that c...

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...

1-07-1992 | In most small solar power systems using a boiler it is required that the water circulation pump is not switched on until the temperature...

1-11-1990 | This article describes a miniature medium-wave band receiver powered by a solar cell. The circuit is based on a single integrated circuit,...