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Energy efficiency
Industry: Energy
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Energy efficiency
water wheel
Energy; Energy efficiency
A wheel that is designed to use the weight and/or force of moving water to turn it, primarily to operate machinery or grind grain.
windmill
Energy; Energy efficiency
A WECS that is used to grind grain, and that typically has a high-solidity rotor; commonly used to refer to all types of WECS.
parallel connection
Energy; Energy efficiency
A way of joining photovoltaic cells or modules by connecting positive leads together and negative leads together; such a configuration increases the current, but not the voltage.
series connection
Energy; Energy efficiency
A way of joining photovoltaic cells by connecting positive leads to negative leads; such a configuration increases the voltage.
heat pump water heaters
Energy; Energy efficiency
A water heater that uses electricity to move heat from one place to another instead of generating heat directly.
storage water heater
Energy; Energy efficiency
A water heater that releases hot water from the top of the tank when a hot water tap is opened. To replace that hot water, cold water enters the bottom of the tank to ensure a full tank.
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