Answer / k.prakashchandra

They are also called bypass isolators which are connected
across an equipment especially CB to bypass it for certain
operation.

Answer / er.gurpreet singh

the isolators connected in series for isolating the
particular equipment from the system while the isolators
connected in parallel are used to connect that particular
equipment to earth.they are also called as earth switch.

Answer / k.prakashchandra

Series isolators are in series with the equipment for
isolating it,parallel one is connected across the equipment
to bypass it

in case of three phase induction motor,when it is connected to three phase supply,why the magnetic field is rotets around the armeture?

5 Answers   Hindalco,

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why power factor is lagging and leading(i.e -1to +1)

2 Answers  

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

4 Answers  

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AC covered area by ton calculation

2 Answers  

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How REF protects transformer alone? explain with diagram.

0 Answers  

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What is difference between Earthing, Ground and Neutral?

1 Answers   ABB, ABC, Indo Asian,

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-How do you select cable size for a given load at a given distance from source of supply. How do you find voltage drop.

0 Answers  

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What sort of protection scheme do you suggest for the protection of a 10 HP motor?

1 Answers   Chevron,

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in thermal power plant the steam produced is made to cool after falling on the turbine blades. my question is why this is done while the same is needed to heat up again. "jab pani ko wapis garam hi karna hai to thanda kyu karte hai"

11 Answers   Bhel,

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why put integration for capacitorand differation for inductance

1 Answers  

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send me the upsc conventional papers of 2006

1 Answers   Juniper Networks, Siemens,

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what is inrush current in transformer?

17 Answers   Bhel, Essar, GMR,

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