Sentences with phrase «much electricity directly»

Of course, we should use as much electricity directly as possible (e.g. in plug - in hybrid vehicles), but when we need dense chemical fuels, this is a valid option.

Not exact matches

And unlike incandescents, which generate a lot of waste heat, LEDs don't get especially hot and use a much higher percentage of electricity for directly generating light.
You would be much better off to directly convert the energy to electricity and use a point of use heating system.
An analysis by the American Solar Energy Society indicates that burning cellulosic crops to directly generate electricity is much more efficient than converting them to ethanol.
The wind power industry argues that there are «no direct subsidies» but it involves a total subsidy of as much as # 60 per MWh which falls directly on electricity consumers.
Because using heat directly is more much efficient that first converting heat to electricity, the overall efficiency of the high - temperature system is much higher.
Photovoltaic systems use conducting material to convert sunlight directly to electricity and need only nominal amounts of water to wash their solar panels, compared with the traditional steam - turbine solar that uses much larger volumes of water for cooling towers.
The physical system, however, of electricity as the authors directly phrase it is one that operates at a much faster rate than any other market.Therefore in this physical power system the supply and demand = generation and load must be balanced second by second or else there is collapse.
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