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Phase sequence error sensed on busbars

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Valence

Hi

Please could someone explain what would cause a phase sequence error alarm on the bus bar side. And how is the DEIF controller sense this error(Using what measurement).

Kind regards

Thanks
 
P

PhilCorso

Valence... You must provide additional information?
1) What version of the DEIF is it?
2) What are the parameters of the Generator controlled by the DEIF.
3) Is this a commissioning situation or has the unit been in operation a while?
Regards, Phil Corso
 
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