Answer Posted / manimaran

residual current circuit breaker is an electric protection
device.disconnect the healthy part of the system when it
will be detect the unbalance current present in circuit.

What is “pu” in electrical engineering?

1127

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Why the arms of delta in a delta-wye power transmission system are kept constant??

1869

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State any two nuclear power stations in India, with their generating capacity.

1874

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if grounding is notdone at regular intervals for long distance transmission, will the load connected at distribution end receive voltage during negativehalf cycle of the sine wave?

2023

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Is a d.c.compound motor is use as a booster? how?

2128

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if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.

1965

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I have finish diploma electronics and five years experience in electrical field in ht service how can i get c licensce or other electrical certificate

1684

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what is working process of star delta controlling circuit ?

1873

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how to select battery for 15 KVA UPS with formula

2540

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what is diff btw electric,magnetic & eletromagnetic field

2114

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on a three-winding transformer relationship delta-delta-star, on third winding why the relationship is a star? what are the advantages and disadvantages? Thank you and please help

1730

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Where servomechanism is used?

1092

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Sir, My doubt on cable sizing calculation, Load:74 KW calculated cable 1 run 50mm2. Now client asking us to reduce cable size by increasing runs. Sir, My question now when my mind strikes with 2 options 1) Divide load 74/2 = 36 and calculate cable for 36+36 making it 2 runs or 2) Simply i can divide 50mm2 /2 ie. 2 runs of 25mm2 Please suggest me sir

1931

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how can found motors folt current ? how can disided circuit breakers caoicity and breaking capicity ?

2156

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which metal is use in shunt

6566

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