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IN OLTC we observed "OUT OF STEP" Alarm, we have two
different transformer, when both are in parallel this type
of alarm observed. what's the meaning of this alarm and why
it occurs???
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Answer Posted / karthik
For details of the parallel operation of transformer refer
the website:
http://nptel.iitm.ac.in/courses/IIT-MADRAS/Electrical_Machines_I/pdfs/1_14.pdf
According to the literature the cause for the out of step
operation maybe due to
1)Change in voltage ratio
2)Change of polarity
| Is This Answer Correct ? | 3 Yes | 2 No |
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