What is the working principle of VFD

3 Answers   HCL,

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what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?

0 Answers  

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what is electric traction?

26 Answers   TCS, Volvo,

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what is blocking diode and what is the use of it in tne control circuit.Pls Explain it.

1 Answers  

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is starting current of induction is high or stating current of ransformor is hign ,for the same rating

12 Answers   BARC,

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Min and  max capacities of VCB,ACB,ACCB,OCB,MCCB and MCB

3 Answers   apspdcl,

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How a band pass filter is constructed?

0 Answers  

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if HT side voltage is high current is low . and LT side voltage is low current is high please explian.

5 Answers   HP,

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What will happen if 230V DC motor connected to 230V AC Supply?

15 Answers   Ashok Leyland, BOC, JSW, ONGC, RRB, TRB,

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I have a CT meter with ratio 60/5. The meter reading of previous month was 3290.49 and that of current month was 3797.26. How many chargeable units as per normal meter should be my reading.

0 Answers  

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Difference between mcband isolator

1 Answers  

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pls define kvarh

2 Answers  

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