Answer / bharani

Insulated Gate Bipolar Transistor is used as a high speed
switch in an UPS.

What Is Connection APFC Panel In Compony.

0 Answers  

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at the time of starting back emf of a motor is zero.so how can it will start to run??

1 Answers  

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What is meant by derating factor?

0 Answers  

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Explain the laying procedure and laying depth of submarine cables under sea?

1 Answers   Schneider,

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what is the workimg of ct &pt?

5 Answers  

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How we can design a cable for a 3phase load.

3 Answers  

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how to test a motor from megger

5 Answers   JSW,

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why power factor laggs and leads in case of inductance and capacitance??

1 Answers  

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What is the equivalent circuit of a transformer and its vector diagram?

0 Answers   Bhel, Madhucon,

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what is the power factor

13 Answers   Heidelberge Cement,

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When VFD is connected to a 3 phase main supply there is load current difference between incomer to VFD and outgoing from VFD.

1 Answers   Shasun Chemicals,

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How to find Cable size? Caterpillar generator produce (Two generators) 127*2=254 amp at 11 kv . What would be the cable size (XLPE) to supply 256 amp at 11 kv? Air or surrounding Temperature is 32 degree C. Cable will go under ground at 2.5 feet depth. Group Rating Factors is 3 cables. Clearance between cables is 7 cm. Soil Temperature (Ambient) 28o C Soil Thermal Resistivity is 1.2 K.m/W I would like to use 3 separate single core instead of using 3 core cable. Some says I should use three separate single core 120RM cables. Some says 70RM .some says 95. I m totally confused. Is there ant specific rule to determine cable size? What would be the LT cable size to flow 500 Amp current? Ifte My e mail address is ifte13@yahoo.com Anyone please send me the answer to my e mail address, i will be very glad.

1 Answers  

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