How will A Medium voltage circuit breaker(11 kV voltage level) operate under short circuit fault condition whether It is having short circuit release like Low voltage circuit breaker or relay should be given?

0 Answers  

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Which pump set is more suitable and economical for liftingwater from 300Mtr borewell? A. Compressor Pump B. Submersible Pump C. Jet Pumps D. 25HP Centrifugal Pump Q. from PSC Test 22-11-2008 Meter reader

8 Answers  

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what is the static device rather than xmer which work on same principle as xmer?

18 Answers   NTPC, Power Grid,

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Discribe type of fault in DOL and stardelta startor.

0 Answers  

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what is meant by phase transformation ratio in induction motors?

2 Answers  

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How i can calculate current of cable according to ares?

0 Answers   Pharma,

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Why we transmit the power at the voltage in the multiple of 11 or 1.1 like 11kv, 22kv, 66kv, 132kv...... some one told me that it is due to fomr factor 1.1 of sine wave. its fine but while transforming we can choose any voltage, so why only multiple of 1.1 there also.......? plz tell me.

7 Answers  

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What is the approximate value of stacking factor?

0 Answers  

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How to calculate the copper in HT motors if KW, RPM & Voltage is given

0 Answers   Control Dynamics, NTPC,

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in catridge heeter  watts =110, 260 v ,  i checked in multimeeter meeter shows 50 ohms but oms law r=v square /w  260*260=67600, and 67600/110=614.5 ohms  how to caluclate exact ohms in heetre s 

2 Answers  

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what happens if the phase sequence of parrlel connected sys will changed & phase displacement

1 Answers  

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HOW TO CALCULATE S/C,O/C,E/F OF ACB.

0 Answers  

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