Answer / pammi.kumar@ymail.com

415 + - 10 %  is moter.

what is post close & pre close of trip circuit supervision relay in circuit breaker control scheme?

2 Answers   ABB, NEK, Power,

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why+ve is earthed in electrostatic precipitator in thermal power plant

0 Answers  

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what is booster? and how it is connected in a circuit?

0 Answers   APTransco,

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clarify types of motor operated valves and advantages

0 Answers  

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What will happen when a DC series motor suppllied by an AC source ?

2 Answers  

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In alternator generally we give DC voltage to field of alternator but field (excitor)produce Ac & converts into DC by rotating rectifier(RR ) then fed to rotor .my question is why we cannot give dc voltage directly to rotor instead of Excitor & RR ?

1 Answers  

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Name the types of motors used in vacuum cleaners, phonographic appliances, vending machines,refrigerators, rolling mills, lathes, power factor improvement and cranes.

0 Answers  

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if a motor is running at 1500rpm then how you can find its HP

1 Answers   Construction,

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how vector surge relay works ?

3 Answers   BFL,

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125Kva Dg can take up how much amphere load.

7 Answers   Indian Railways,

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How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?

0 Answers   Apollo,

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How Arc Extinguish in Minimum oil circuit breaker and What is the function of Radial and axial vents of turbulator in Minimum oil circuit Breaker Where these vents are exists.

1 Answers  

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