Answer / nestor s.

Servo motor is a motor that gives an exact positioning and
send feedback. The advantages of this motor over induction
motor are , it can be used in positioning, have a constant
or high torque in starting, sends feedback for speed and
positioning, can be used in industrial machineries which
needs precise positioning.

why is the conservator tank painted white on the transformer

0 Answers   Bangladesh Bank,

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What the difference between three phase contactor (coil 110vac) & three phase SSR (control voltage 110Vac)? May I use contactor in place of SSR?

0 Answers  

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I have tow 200 KVA UPS, both are in parallel mode.My question is that, both are running on battery when power fail, if one of them fail (Eg rectifire fails or some other reason), at thet time reverse power will come to faild ups if it comes then it will harm to failed ups or not? if not then how it protects to faied ups????????????????

1 Answers  

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DIFFERENCE BETWEEN NORMAL TRAFO AND THRISTER TRAFO?

0 Answers   Essar, MahaGenco,

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how to find number of run for transformer & alternator secondary side? give the example.

2 Answers   Powergear, Regen Powertech,

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What is the meaning of maximum demand

21 Answers   MN Dastur,

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explain why reduced voltage starters are required for large tree phase inudction motor

2 Answers  

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what is formula in determining the size of Circuit Breaker for transformer with the following specifications. 7 units of 1600 volts (primary) and 400 volts (secondary). Both Primary and Secondary will have a circuit breaker which is SF6. What should be the Switchgear Main Breaker Size anf the sizes of each brances Circuit Breaker for Primary.

1 Answers   ABB,

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different aspects of voltage stability

0 Answers  

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What is the effect if power factor is above 1 or unity.

15 Answers   NTS,

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why some harmonics are disturbing while the others not

1 Answers  

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how to select earthing conductor size of amy motor/panel etc.

1 Answers   Sony, VBB,

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