Issue:
How does the Altistart 48 detect a Ground Short Circuit?
Product line:
ATS48 series soft starter.
Enironment:
All models, All serial numbers.
Cause:
Information in current literature does not provide specific information on how the fault is triggered.
Resolution:
The Starter measures the current on each phase of the output. Current out should be equal to current. When measuring the current draw on all 3 phases simultaneously, the total current should be 0 amps. If the measured difference in current between all three phases is greater than 25% of the setting of the IN parameter for more than 100ms, the fault is triggered. Once the fault is triggered it takes around 16ms for the relay to close.
How does the Altistart 48 detect a Ground Short Circuit?
Product line:
ATS48 series soft starter.
Enironment:
All models, All serial numbers.
Cause:
Information in current literature does not provide specific information on how the fault is triggered.
Resolution:
The Starter measures the current on each phase of the output. Current out should be equal to current. When measuring the current draw on all 3 phases simultaneously, the total current should be 0 amps. If the measured difference in current between all three phases is greater than 25% of the setting of the IN parameter for more than 100ms, the fault is triggered. Once the fault is triggered it takes around 16ms for the relay to close.
Publikované pre: Schneider Electric Slovakia
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