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Asynchronous generator capacitor overvoltage protection circuit
Source: InternetPublisher:清宁时光 Keywords: Protection circuit electromechanical asynchronous generator Updated: 2020/08/04
When an asynchronous motor is used as a generator, if used improperly, the excitation capacitor may be easily damaged by overvoltage. For this purpose
, a capacitor overvoltage protection device can be installed. The circuit is shown in Figure 7-3.
When the line voltage exceeds 400V, the overvoltage relay KAi operates, causing the capacitors Co and Cf to automatically exit to protect
the capacitors from damage.
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