What is VVVF Drive ?

3 Answers  

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What is the main use of rotary phase converter ?

0 Answers  

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WHAT IS THE DIFFERENCE BETWEEN UNDERVOLTAGE COIL, CLOSING COIL AND SHUNT TRIP COIL OF AN ACB?

2 Answers   Alstom,

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What is inrush current? how can calculateit? what is the affect of it?

0 Answers  

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what is the material use in bus bar & why.

3 Answers  

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what is sevice settings for mccb?How can be it setted?

1 Answers  

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what is the generator rating for 40 amp load of 3phase motor.?? 400v voltage of generator... plz tell me with formula its urgent...plzzz... and also tell me that this 40 amp at all phases mean 40 amp on red,40 amp on yellow,40 amp on blue...... or the total sum of that 3phase is 40 amp....

7 Answers  

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TNC switch is also available in 1NO+1NC. What does it mean ?

1 Answers  

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What is the usega of brking resistor? and how it will useful to Drive...?

3 Answers  

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can u describe the method used for protection of transmission line.

0 Answers   IBM,

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Can XLPE/SWB/PVC (P3) 7C X 2.5mm2 be replaced by Can XLPE/SWB/PVC (P2) 7C X 2.5mm2??? P3 vs P2

0 Answers   PCSB,

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if a number of plc s are there then how many modbus to be used

0 Answers  

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