Views: 0 Author: Site Editor Publish Time: 2018-03-20 Origin: Site
Because many devices on electricity that convert electricity into other forms of energy are called loads, such as many electric motors in use. Because the communication current passed through the rational load electrical apparatus has to lag behind the communication voltage added at both ends by one point of view. A device that converts other forms of energy into electricity is called a power supply whose apparent power is apparent at power S) as long as a portion is converted to useful energy (active power, the ratio of the two is called the power factor Cos).
Cos=P/S combines the high voltage capacitor with rational load because the communication current of the capacitor leads to a point of view which reduces the angle between the total current and the voltage and improves the power factor. Then it can improve the utilization rate of electric energy and reduce the line loss.
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