Shenmao Capacitors specialized in aluminum electrolytic capacitors from 1970

The relationship between the loss of metal film capacitors and voltage | Focus on high-end brand capacitor manufacturers

by:Shenmao     2021-03-27
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 across the capacitor. As mentioned before, loss refers to the energy lost due to heat dissipation under the action of the electric field during the operation of the capacitor, which is called loss. The metal film capacitor itself has an obstructive effect on the current, that is, the capacitor has a capacitance resistance, so there will be a part of the loss, but the AC circuit is more obvious, and the DC current is relatively weak. When the voltage applied across the metal film capacitor increases, the loss due to the capacitor resistance will increase. Otherwise, it will become smaller. However, there is another case of metal film capacitors that the loss of the capacitor is related to the voltage, that is, when the voltage applied to the two ends of the metal film capacitor is high enough, it will cause air gap ionization and increase the loss of the metal film capacitor. For more details, please call the national toll-free hotline: 4006299138.
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