Answer / velmurugan

If Parallel operation with EB it should not satisfied the following conditions.
1. voltage
2. Frequency
3. Phase sequence

Why we apply only reduced voltage to the alternator while conducting slip test ? also the current increases to a larger value with reduced voltage itself Why ?

1 Answers  

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how ELCB drip when earth and phase touch together?

2 Answers  

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why we cant control neutral instead of phase in single phase?

3 Answers  

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How to calcute the cable size for both HT and LT please specify the formula for that Regards Chethan C

1 Answers   Bhel, Student,

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why capacitor bank shorted by resistance ( 3 terminal )

1 Answers  

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What is protection for single phasing ?

6 Answers   SISL,

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what is the difference between scaler and vector control in drive and where it is to be used ?

1 Answers   Essar, TCS,

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What is meant by positive and negative feedback?

0 Answers  

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my 10 hp submersible pump is tripping when connected through ELCB.I have checked the megger value of the coil's with body.It was found to be 0.2mega ohm.that is leakage is there.But when connected to mccb it is not tripping.no leakage current in the motor.Is it safe to connect to mccb? what are the problem's will arise if future?also tell me in ELCB no neutral is connected to motor.than how ELCB was working?

1 Answers  

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what is Over current, earth fault (O/C+E/F) ?

2 Answers  

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WHAT IS RETARDATION TEST IN DC MACHINES?

4 Answers  

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how to select a air/vacuum circuit breaker.is there any thumb rule???

1 Answers  

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