Answer / abhishek goyal

In CB mostly we have both option AC/DC SUPPLY because of
that we can use diode in circuit.
for spring charge motor we can feed both AC/DC supply (its a
Universal motor)

Answer / girish

In VCB spring charging motor will be a DC one, but control
supply is taken from 230 AC, same will be fed to Diode
bridge and then the rectified 110 Volts DC is fed to the
spring charging motor

what will happen if field winding of Synchronous generators given ac supply

4 Answers  

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Is VVVFD reduced the starting current of an induction motor?

1 Answers  

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Define magnetic centre in a motor?

1 Answers  

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How to find ampere on ht side for selection of cable size ???

0 Answers  

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Please nybody say, weather the result of Bharat Oman is declared or not? Probable date of declare???????

0 Answers  

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The temperature rise in the sys, which leads to ….. a) Increases stress& length b) increases stress but decreases length c) Decreases stress & increase length d) decrease stress & length

1 Answers   Engineers India Limited,

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why power of fm is weaker than am?

1 Answers  

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What are the Full Forms of TVM, MTL, CVT ?

0 Answers  

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What is the loss of power of transformer 220kv/33kv,63/80mva of % imp12.05 at 80%load

0 Answers  

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which type of starter is suitable for single phase motor ?

11 Answers   IOCL,

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Wind mill

0 Answers   Suzlon,

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What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.

0 Answers   NFL,

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