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The difference between watts (W) and kilowatt (kW)

The difference between W kW kWh

When the solar system Have a role in the present With the price of solar cells that are cheaper every watt every day Is a factor for many people to turn to use solar cell systems more Therefore need to know the distribution of Kilowatts and kilowatt hours and megawatts Commonly used

  1. watts (watt, W) is the SI unit of power named after James Watt. For example, the power in watts, for example, a home-based light bulb used 100 watts.
    1 Watt is equal to 1 joule of energy per second.
    1 W = 1 J / s = 1 Nm sec 1 KG · the m = 2 · s, -3.
  2. Kilowatts (kW) It is watts x 1,000.
  1. Kilowatt hours (kWh) is the amount of energy used at the rate of 1,000 watts for 1 hour or 1 power unit.
    For example, turn on 1 100 watts of electricity per bulb for 10 hours in total 100 × 10 = 1,000 watts = 1 unit. 10 100-watt bulbs for 1 hour, total 100 × 10 = 1,000 watts = 1 unit is the same

In the example, if we use 1 unit of electricity, the output is from Watthour Meter is an electromagnetic induction meter that is built to be used as a household power meter. In industrial plants and other places that require electricity By measuring electrical power into Kilowatt hour (Kilowatthour: kWh)

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