Multilin SR469, Инструкция по эксплуатации

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S10 POWER ELEMENTS 4. SETPOINT PROGRAMMING
4-60
4.11.3 REACTIVE POWER
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FUNCTION:
If the SR469 is applied on a synchronous motor, it is desirable not to trip or alarm on kvar until the field has been applied. Therefore,
this feature can be blocked until the motor comes up to speed and the field is applied. From that point forward, the kvar trip and alarm
elements will be active. Once the kvar level exceeds either the positive or negative level, for the specified delay, a trip or alarm will occur
indicating a positive or negative kvar condition. The reactive power alarm can be used to detect loss of excitation and out of step.