what is the meaning write of AC1,AC2,AC3 .....power contactor

7 Answers   ABB,

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What is the difference between Generator Differential Relay and Transformer Differential Relay?

0 Answers  

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Selection criteria for Vector group in power / distribution transformer.

1 Answers   ABC,

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What is an 86-P or an 86-A trip

0 Answers  

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Which loss in DC machine is maximum?

1 Answers   IFFCO,

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how caculate the pump head to maintain perticuler pressure of water and what would be the motor size in hp for the same?

1 Answers  

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WHAT IS NORMAL VECTOR GROUP USED FOR DESIGNING OF TRANSFORMERS??

11 Answers  

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I need the recommended size for a 3 phase transformer at 13.8 KV Primary and connected loads of 3000 kVA at 4200 volts and 2375 kVA @ 480 volts AC.

0 Answers   Duke Energy,

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To check the earth condition (In plug points); the voltage between earth and Neutral is in below 5 volts. Is it correct

6 Answers  

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differentiate between remote backup relay and local backup relay?

1 Answers  

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how can we design robots

0 Answers   Maruti Suzuki,

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For fixed primary voltage how does secondary terminal voltage of a transformer change if the pf of inductive load is raised from 0.7 to 0.9 with load current remaining fixed ?

1 Answers   GATE,

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