Answer / chetan pardhi

universal motor

Answer / bikshan

It's Universal Motor.
Not only that any type of portable appliances generally uses Universal Motor.

Answer / nurul idrisi

Universal motor.

Answer / shoebullah

Squrillcage induction motor

what is differents between static stablizer and servo stablizer

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Dear All, In a 400V power system, ratio of three current transformers installed incoming switchgear is 4000/1. Maximum three phases short circuit current of this system is 48kA. One CT is installed on neutral of upstream transformer (6/0.42kV, solidly earthed) for 51G protection. Would you please inform me about the correct CT ratio of this current transformer (on neutral)?? Thanks a million

2 Answers  

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A FIELD MAGNET IS EXITED BY AC/DC?

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Yazaki india pvt ltd interview questions qurey related

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What is primary distribution and secondary distribution of ac power?

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How is the resonant peak, resonant frequency, and bandwidth determined from nichols chart?

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What core magnetic balance test of transformer? How to do this test in a three phase Star delta (star-LV, Delta-HV) transformer? How to measure and where to measure? thanks and regards Austin

22 Answers   Neutech, Power Grid, TSSPDCL,

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To determine the Healthiness of Insulation we will be performing Dielectric tests i.e Insulation Resistance test, Partial Discharge test,Switching Impulse, Lightning impulse, Tan Delta test ...etc why we required to perform this many test, why cant we do only one test. for Transformer, CT's

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why the neutral of power transformer is always earthed?

1 Answers  

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what is the need to express current and voltage in rms value? rms value is also called as effective value,what is effective value?

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