Answer / sasen

Soft start is a term describing any electrical circuit
which reduces excess current during initial power-up of an
electric motor.

Answer / k.prakashchandra

It is an electronic stater using thyristors for limiting
voltage by varying the firing angle

how to test an MCB

2 Answers  

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What will hapen if we run generator below 47.6hz frequency?

9 Answers   TATA,

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what is meant by insulation voltage in cables? explain it?

4 Answers   ABB,

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if 1hp jet motar drop voltage when start from 220v to 120v give the reason and solution.

1 Answers  

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Among the following Which is vector quantity? a. Flux b. permitivity c. flux density d. magnetic intensity

2 Answers  

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what shall be no load voltage of 132/33 kV transformer ? is it 33 kv of 34.5 kV

0 Answers  

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how to determine kilowatts (real power) is used in energy meter? is it apparent power effect the disk rotation?

1 Answers  

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

0 Answers   SISL,

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Why earthing transformer used in Distribution Sub-Station?

3 Answers  

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what is the harmonics? which harmonics(fundamental and reference) is suitable for calculating capacitor bank and Active filter and passive filter? what is the 1st 2nd 3rd 4th 5th harmonics and effects?

1 Answers  

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PLZ SEND ME SOME UNIQUE PROJECT OF ELECTRICAL ENG (B.TECH)

0 Answers  

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when current lags behind voltage how does it affect the circuit.In other words what is the significance of lagging current?

3 Answers  

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