Answer / inder shahi

when electrical circuit complete in that case Neutral is return path of current in the circuit an d it s having a +ve charge and its produced through star point of star connection on the principle of Kirchhoff 1st low.

limitation of conductor height on ground when we consider EMC

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How to caluculate number of batteries to connect a three phase ups by KVA?

1 Answers  

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Draw SLD feeding from the SS up to distribution board of the load, calculate cable size, breaker sizes, and meter for the following case: Ground Floor: electric room, pump room, 5 shops, each is 15 KW First Floor: 5 shops, each is 15 KW Second Floor: showroom 30 KW Service Loads: water pump 3 KW (3ph) , fire pump 3 KW (3ph), and one DB service 12 KW (3ph).

0 Answers   FEWA, HMK,

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On the transformer breather at what length should i change my sililca gel.

4 Answers  

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which type of motor is used in lift ?

7 Answers  

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wat is d diffr btw shunt coil and trip coil in VCB?

0 Answers   NTPC,

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I have two power supply.a)govt. power b)Captive power.3 phase load connected inside factory.when source change govt. source to captive some motor rotate reverse. Is phase sequence changes when if off & on?If I off generator & on it again is it possible to get changed phase sequence??

4 Answers   ABB,

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We've 2 diffrent DG's with same capacity (500 KVA). Can we sync them ?

1 Answers  

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how to measure the current by compact digital equipment with dislay which fit inside any equipment

0 Answers  

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why we are used armed coble for wiring of 3phase motor?

3 Answers   AluChem,

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How to calculate the NGR value for a 2.7MVA Transfomer, 11KV system where the fault current has to be limited to 50A?

1 Answers   Sterling Wilson,

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wat is the criteria we use the diff. relay ?

2 Answers  

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