Heater power is 1000W per hour, the voltage is 220V, how many kilowatt hours? How to calculate
1 kwh = 1000W * h
So one kilowatt hour
The rated voltage is 220 V, the rated frequency is 50 Hz, the rated power is 900 W
0.9 degree w = P * t = 0.9Kw * 1H = 0.9kwh
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