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how is the testing of an REF relay? what are the test REF circuit having?
Whats the minimum value for I.R. that can be allowed for HT & LT alternators for operation?
In AC if the direction of current keeps reversing every half cycle, how does it propogate through the transmission lines?
UG cable sizes were specified in sqmm. But practically its not coming to mesure. What's the reason for that? And how they specify the size of the cable?
Why is tan-delta test and capacitor measurement done on alternator?
how to test power transformer.YNd11
Explain difference between stand by earth fault and residual earth fault protection?
How to Calculate Current Rating of SDFU (Switch Disconnector Fuse unit) for Protectionof Capacitor Bank connected to Busbar of 800Amp,in LV side of 11/0.433KV, 250KVA Transformer?
How to check the thermocouple is correctly connected to cable for K type? (i,e positive pole is connected to non magnetic conductor and negative pole is connected to magnetic conductor)
what are the applications of TIG welding
what could be the RMS value and average value of a 4 phase sine wave?
How to work meggar?
What is the rotor frequency of 10 Hp 1440 RPM 50HZ 415V ?
What is bode plot?
what is Insulation monitoring device. where it is used? (in switchgear room or control panel or in field equipment)