Answer / h r jadhav

when line voltage 480 is used across the primary of step
down trf having secondary is 230 volts then 1 phase motor
will load same current to lv side however it will load the
primary with respect to tf ratio. so if u have tf rated 10
amp for primary it is welland good.and if it is for
secondary it is well.

Why different values of B’s (magnetic flux density) are chosen for DC machines and Induction Motors?

1 Answers  

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Can we calculate the P.F if we know the only load on alternator .

1 Answers   Medha, Medha Servo,

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What is a surge supressor why its is used in synchronous generators

0 Answers  

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define B types and C types in MCB ?

3 Answers   Bhel,

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Which UPS (inverter) is better and why ? 12 V inverter and 24 V (two 12 V batteries in series) inverter which is better ......... which has the longer backup which has the greater charging time which has the greater discharging time thank you

2 Answers  

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Do inductive loads have distorted current waveforms ?

0 Answers  

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Latching current is slightly less than ?

2 Answers  

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Difference between hopkinson and swinburne's test

1 Answers  

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actual rated capacity of a disc insulator??

5 Answers   OPTCL,

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How to power regulated by AVR in Alternator?

3 Answers   EPGL,

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which fault is severe and why?between lll fault and lllg fault which fault is severe and y?

0 Answers   GE,

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If two transformers same rating(11KV / 440V)connected in the same primary line(11KV), can we connect(bus coupler) secondary side directly or need a synchronization????

3 Answers  

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