what is the difference between star and delta connection?

3 Answers  

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During the main stator winding insulation testing (phase to ground)of 11kv alternator (Lerysomer) i found 0 and resistance with multimeter and found 20 killo ohm while the power cables are connected both end (Generator & VCB). In VCB PT (Potential transformer) are connected. Please any body explain that method of insulation is correct or not? also describe of PT connections

1 Answers   Private,

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R u say ,that is there is any flux in your room.

1 Answers  

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What is the permissible maximum flux density in transformer core?

0 Answers  

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what is phase and neutral.

16 Answers   HP, Voltech,

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How to Calculate Current Rating of SDFU (Switch Disconnector Fuse unit) for Protectionof Capacitor Bank connected to Busbar of 800Amp,in LV side of 11/0.433KV, 250KVA Transformer?

0 Answers  

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How to calculated capacitor rating both HT

10 Answers   Reliance,

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if you asked to choose a ckt breaker from MCB & MCCB for 32A which one will be best and why??

7 Answers  

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how much air gap in induction motor as per the Indian standards?

1 Answers   Coast Guard,

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what is induction relay

1 Answers  

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in 400 kv system why should trip both side CB when we give hand trip?

1 Answers   KPTCL, NHPC,

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What happen if an alternator rotates in reverse direction?

3 Answers  

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