Electric Power of High Voltage Capacitor

In electronic circuits, high-voltage capacitors are used to block DC and to store and release charges to act as filters to smooth out pulsating signals. A small capacitance, usually used in high-frequency circuits, such as radios, transmitters, and oscillators. Large capacity capacitors are often used for filtering and storing charges. And there is a feature, usually more than 1 μ F capacitors are electrolytic capacitors, and less than 1 μ F capacitors are mostly ceramic capacitors.

Of course, there are other, such as monolithic capacitors, polyester capacitors, small capacity of mica capacitors and so on. The electrolytic capacitor has an aluminum shell filled with electrolytes and leads to two electrodes, which, unlike other capacitors, have no polarity in the circuit, but no polarity in the other capacitors.

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 the power supply's apparent power S) as long as part of the energy 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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