Views: 0 Author: Site Editor Publish Time: 2018-03-02 Origin: Site
Metal film capacitors and other capacitors have no loss in theory, but in fact the loss of metal film capacitors is affected by many factors, such as the voltage applied on both ends of the capacitor.
Loss refers to the loss of energy caused by the heat emitted by the capacitor in the process of working under the action of the electric field, which is called loss. The metal film capacitor itself has a hindrance to the current, that is, the capacitor has capacitance resistance, so there will be a part of the loss, but the AC circuit is more obvious, while the DC current is relatively weak. When the voltage applied to the two ends of the metal film capacitor increases, the loss produced the capacitance resistance increases. Conversely, it becomes smaller.
However, there is a situation in which the loss of a metal film capacitor is related to the voltage applied to the two ends of the metal film capacitor when the voltage is high enough. It causes air gap ionization and increases the loss of metal film capacitors.
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