why do we use star-delta starter. what is its need?

6 Answers  

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Difference between low impedance and high impedance Restricted Earth Fault

0 Answers  

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what is the IPC ? & what the uses ?

0 Answers   Bhel,

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why the colour of insultor stack , petticoat is brown. Is it has some technical reason.

0 Answers  

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Multimeter show phase to neutral volt 230 the per phase but phase to phase 415 not show 460 why.

1 Answers   Intas,

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Difference of induction motor & servo motor ??

0 Answers   Macpower CNC Machines,

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to transmit 30kw of power at 30 km what is voltage required

2 Answers   Anglo Eastern, Merchant Navy, NPCIL,

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Why do we pefer VCB over OCB?What are the advantages of VCB over OCB?

0 Answers   CEB,

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what is H.T?specify the range?

6 Answers  

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what is PID control in VFD drives?

0 Answers   AES,

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can we produce cosine wave instead of sine wave? will it usefull?

4 Answers   BARC,

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how to find the resistance

3 Answers   Saint Gobain,

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