• 限制每个电容器充电电流电容器发生短路时保护继电器

    It limits the charging current of each capacitor and also protects the relays in case a capacitor becomes short-circuited.

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  • 二极管一个可变电阻电容器充电电流很大时,阻值很;而电流时间变小时,其阻值增大

    The diode ACTS like a variable resistance, low when the charging current to the capacitor is high, then increasing in value as the current decreases with time.

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  • 因此电容器C4(穿过电阻器R2IGBTQ2)充电电流受到限制,由此不会部件被击穿。

    Hence, the charging current of capacitor C4 (running through resistor R2 and IGBT Q2) is also limited so that no components can break down.

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  • R3限制电容器C3充电电流,由此电容器C3上存在受限dVdt并且因此连接IGBT发射极的电容器C4存在受限的dV/dt。

    R3 limits the charging current of capacitor C3, so that a limited dV/dt exists on capacitor C3 and by consequence also on capacitor C4 which is connected to the IGBT-emitter.

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  • R3限制电容器C3充电电流,由此电容器C3上存在受限dVdt并且因此连接IGBT发射极的电容器C4存在受限的dV/dt。

    R3 limits the charging current of capacitor C3, so that a limited dV/dt exists on capacitor C3 and by consequence also on capacitor C4 which is connected to the IGBT-emitter.

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