how is the many rpm of acb charging motor ?

1 Answers  

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why D.C excitation is given to sunchronous motor?

6 Answers  

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CAn a TJM 10 relay measure over current ?

2 Answers  

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Where all & Why resistance grounding is required?

1 Answers  

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What is double delta conection in AC Motor? And can we done the double RPM of the motor by double delta conection?

1 Answers   vguard,

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when voltage increases then current also increases then what is the need of over voltage relay and over current relay? can we measure over voltage and over current by measuring current only?

1 Answers  

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in HT service 3ph 4 wire service Y-phase voltage shows zero . whether it is meter fault? or what be the reason ? if y-ph voltage zero ,can current is recorded? reasons for failure?

0 Answers   apspdcl,

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Whether the over frequency protection is turbine or alternator and why?

1 Answers   Marg,

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can we run three phase motor by single phase? and what happens if we do this

8 Answers   Kirloskar,

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11kv has three live wires how much voltage is in its single wire(leaving the other two wires)

13 Answers   Power Grid,

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different between circuit breaker & switchgear & relays

6 Answers   EFS,

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Inverter. converter. Ups.MCB.solar.alternators. motors.

0 Answers   Cisco,

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