Substation Testing and Commissioning
Friday, February 10, 2012
TRANSFORMER EXCITATION CURRENT
During transformer excitation current ( open circuit
magnetizing
current) test the measured current values in R,Y,B
phase
are not same. Vendor explanation below
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230kV RATED SF6 GAS PRESSURE
UNDER FREQUENCY TRIP TO BF INITIATION
RED 670 MASTER & SLEVE
VIDEO GRAPHIC ABB
TRANSFORMER EXCITATION CURRENT
DESIGN ISSUES 7SS52 BB ISOLTATOR CONTACT
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SIVAKUMAR
THIS IS SIVA T&C ENGINEER IN NCC LTD - SAUDI.
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