what is the change over switch ,switch disconnector ,bypass switch and switch disconnector fuse unit?

1 Answers  

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why the vfd motor take current high in vfd panel then mcc panel.current in vfd panel=160A in 93%.and mcc panel it shows 130A. (132kw motor)

1 Answers  

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what kind of material to be used after ngr unit? cu or GI

1 Answers   Michelin,

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why cont we short earth and N.......?

3 Answers  

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In VVVF drive voltage is varying in accordance with frequency.My question here is How much will be the voltage in the inverter side if the frquency is set for 10Hz ?

1 Answers  

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for a machine R=130 KVA Y=132 KVA B=144 KVA Then what will be the total kva

3 Answers   ABB,

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Explain difference between aluminium coductor & copper coductor.

4 Answers  

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What is meaning of star delta connection / delta star connection and which one is best and what is the advantage?

0 Answers  

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why efficiency of generator is greater than motor?

2 Answers  

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Most electrical terms denoted by first letter of its name but Why current is denoted by "I".

4 Answers  

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How we check vector group for a Dyn1 transformer?

6 Answers  

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list the type of vfd? wich is sutable for heating kiln?

0 Answers   AluChem,

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