What is mean by making & breaking capacity of circuit breakers?

3 Answers  

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Explain the following and how these are working with PLC Unit 1 I/O Module Card 2 Adaptor Card 3 Ribbon Adaptor 4 I/O bus 5 I/O Devices

0 Answers   Mayur,

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why the efficiency of the dc machine is high ,when it is operated as a generator?

3 Answers  

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what composit error,ratio error,phase error in CT and PT??

4 Answers  

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1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?

0 Answers   IBM, Kirloskar,

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Tan delta point in transformer to be earth or not?

1 Answers   DMRC,

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What is the difference between surge arrestor and surge capacitor?

2 Answers   Shreem Electric Ltd,

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What is the effect of electric motor stuck in star configuration,

0 Answers  

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our company have 750 kva oil transformer.still we have facing a problem that is when voltage is 11.5 kv coming from HT side then LT-side voltage is 420v or above at tape 1.please give me best solution to decrease the voltage

4 Answers   Gannon Dunkerley,

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transformer phasor diagram under load explain it?

0 Answers  

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Can I use less voltage cable for neutral, since the voltage of return path is zero ideally?

3 Answers   Vijai Electricals,

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Why use the VCB at High Transmission System ? Why can't use ACB? Pls explain the ans.

5 Answers   amps, DLF,

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