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

how to calculate power factor of capacitor? what is transformer rating?

2 Answers  

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If the rank of a (5x6)matrix Q is 4, then which one of the following statements is correct ?

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2 Answers  

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4 Answers  

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2 Answers  

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