Answer / sandeep

switch fuse unit used for protection

If i switch on a transformer but with no load connected to the secondary path.Is the transformer will burn?

5 Answers  

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how to save the power?

2 Answers  

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Is there possible to Test Transformer for Overfluxing Capability. Or is there any firm who does Overfluxing Test on Transformer?

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calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.

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What is the difference between relays and contactor construction wise?

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We have one 500KVA transformer. We have tested REF relay and commissioned. After one and half year, due to some ground fault in one of the DB circuit Transformer tripped by REF relay. What will be cause and remedy. Please advise?

1 Answers  

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1.Difference between vcb and Acb and partes. 2.Difference between STS and ATS.

2 Answers  

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how is the incoming cable size calculated for a given current rating of a panel??

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What is the purpose of earthing Truck ? How does it work for busbar and cables?

1 Answers  

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what is earth pit , how we can measured it, what earth rods reference

0 Answers   ups,

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For a DY11 lighting Transformer on primary side whee to connect fourth lead? from nuetral or from ground?

3 Answers   Sabic,

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3phase lt motor winding how to checking with megger

1 Answers  

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