Answer / meenakshi

many d.evices takes a large amount of current during
turning on condition(inrush current) which is an
undesirable one and may affect the performance of other
devices connected to the supply.so components vil b addedin
series to counteract this problem.Soft start is an
electronics term describing any circuit which reduces
excess current during initial power-up.

If an induction motor is restarted before its rotor stop rotating, then what will be the amount of current drawn? Is this current will be the same as motor starting current?

5 Answers  

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The power consumption, in case of centrifugal loads (like pump, fan, blower etc.), proportional to ____.

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How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?

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-----------means a source which can supply a constant voltage to aload irrespective of the valu of load resistance.

2 Answers  

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what is the use of neutral?

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how to test reverse power trip?

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Is there any thumb rule for cable selection for any current rating ?

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what is the diff. btwn. electronic regulator and ordinary rheostat regulator for fans?

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what is function of pump in DG?

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When the power Factor (p.f)is lead then how the Voltage can rises?

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In Round type three phase transformer why the LV side is inner part and HV outer part in the design of transformer? why they cant be opposite?

2 Answers  

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