can i know how to design overcurrent setting and earth fault for 11kv & o.433kv system assuming tx 1000kva.

2 Answers  

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what is current

8 Answers   NTPC,

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advantages of vvvf drives over non vvvf drives for EOT cranes

2 Answers   HEC,

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what is ic 01,ic 06 ?is it types of cooling?

0 Answers   Bhel,

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Is it possible to convert Dependent sources to its equivelent current or voltage Sources ?????

1 Answers   Zen Technologies,

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how to wiring it with contactor and timer together

0 Answers  

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1) What is difference b/w impedence relay and differential relay? 2) what are substations equipments? 3) what is difference b/w circuit breaker and isolator? 4)what are the types of circuit breakers? 5) which medium is mostlty used in circuit breakers and why it is used?

1 Answers   NTDC,

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What are the main factors to be considered(In terms of energy conservation) while selecting a new air compressor?

1 Answers  

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is there any difference between inverter and a battery

2 Answers   Cummins,

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 where the Motorized mccb to be used? In Motor control center panel starters ,it is use full. please answer  

1 Answers   Voltas,

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why DC source is used to idetify the polarity of CT/PT?

1 Answers  

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i have 28/32 MVA power transformer with 11/6.6 KC voltage rating and 12%impedance.it have star connection at both side.but it have another thied winding tertiary winding.what is used of this winding. pl tell me

7 Answers  

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