What is the 415V AC Soft starter? Explain with an example?

1 Answers   TCS,

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What are the layers of protection over armoured cables?

3 Answers   Accenture, IOCL,

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what is the difference between brush & brushless dc motor explain its operation ?

1 Answers  

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If the capacity of water Tank is 50000 Liters situated at 20 meters height from ground level,What would be the size of pipe and how much USGPH water will be supplied and what will be the motor or pump rating used for this work?Illustrate by showing formula?

1 Answers  

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what is the name for a meter/tester to measure the paint quality in electrical panel or wall?

1 Answers  

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what is the function of short circuit maintenance ct and droop ct.

1 Answers   L&T,

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How much allowable difference current between on three phases Dear sir, We have a 1870 KW HT motor, 11 Kv supply,FLA-120A,2870 rpm,2-pole squirrel cage induction Motor.And stator is connected in star connection with Liquid resistance stater to limit the starting current.It has coupled with Centrifugal air compressor.My question is it is loading 73% of FLA taking R-phase 86.7 A, Y-phase-85.4A,B-phase- 78.3A.why the B phase current is that much of difference.Is it allowable, or any one tell me how much allowable current.If any method to calculate.

1 Answers  

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what is the function of anti-pumping in circuit breaker?

20 Answers   Aditya Birla, INEL, NCC,

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1.what is use of isolation transformer. 2.Differance between KWH,KVAH,KVARH,KVA. 3.Main use of the CT and PT.

1 Answers  

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what is the difference between directional & non directional earth fault with example please explain.

0 Answers  

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How we can change the direction of rotation of Induction motor? Prove it using graphical methods.

2 Answers  

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State the methods of improving power factor?

0 Answers  

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