Answer / jitesh

rating of contactor depends upon amp. carried out of
motor.& it is 1.7 times the motor current.

Answer / anil bhatia

Category Application
AC-1 Non inductive or slightly inductive load-eg:furnace
AC-2 Slipring induction motors:- high starting,
plugging

AC-3 Squirrel cage induction motors:- start and stop

AC-4 Squirrel cage induction motors:- start plugging,
inching
DC-1 Non inductive or slightly inductive load-eg:furnace

DC-2 Shunt motors:-starting, stop

DC-3 Shunt motors:-starting, plugging, inching

DC-4 Series motors:-starting, stop

DC-5 Series motors:-starting, plugging, inching

difference b/w timer and counter

1 Answers  

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Two CTs 1600/1 and 35/1 are in series. while checking the ratio test of a CT(1600/1),same 1600A will also pass through the CT having ratio 35/1. Will it be harmfull to the ct(35/1),if yes , what will happen.CT secondary is shorted

3 Answers  

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What is difference between Harmonic and Non harmonic Capacitor Bank?

0 Answers   TATA,

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what happen if the parallel generator phase angle shift by 1 degree in manual mode

0 Answers   EEEC, MEC,

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why we earth only one side of a power cable. And which side is advisable to earth.

1 Answers  

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what is the acb tripping & closing voltage.

2 Answers  

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What is the function of NGR for the parallel operation of alternator? whats happen when different rating of alternator are running with parallel?

0 Answers   Welspun,

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why sielent pole is used only in hydro generators and not in turbo generators

1 Answers  

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HOW MUCH CURRENT DOES SYNCHRONOUS MOTOR TAKES AT SYNCHRONOUS SPEED IN NO LOAD CONDITION ?

0 Answers  

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16kv transformeris stolen in my village.and department is not taking action.then what should i do.any shortcut .please help any idea

1 Answers  

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What is the RME and explain the full form and what is the RME work?

0 Answers   JLL,

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HOW TO CALCULATE BATTERY BACKUP TIME & AH CAPACITY AGAINST UPS KVA RATING?

2 Answers  

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