how to identify 3phase....r y b .A new make altnator how to identify R

2 Answers  

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what is the knee point voltage ? what is differtial rela? what is impedance and % of impedane? what is the postive phase sequance ? negative phase sequane ? and zero sequance impedance ? what is sortcircuit calculaion? why take calculation? define stabilty test ? why? what sentivity test? define merz protection ? what is the burden ? class 5p10, accracy, metering ct take knee point voltage test thet time what heppan why dont take knee point test to metering ct?

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we have total 1000hp motors we paid 7 laks rupees how to reduce power bill

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List any four conventional sources of energy.

1 Answers  

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If SFU is Switch Fuse Unit, What is the expansion for FSHF in Electrical Engineering?

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What is the meaning of TRI Vector meter?

7 Answers   ABB, Excel Power Switchgear,

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Plugging is a phenomenon to= A braking the motor B to accelerate the motor C to run IM as generator D to start the motor

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The company is wiling to buy you 5 pcs of equipments in your electrical tool kit. Plz tell what are the 5 things you want?

3 Answers  

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WHICH SUPPLY IS BETTER FOR 4 MW LOAD. 1)TO TAKE NEARER AVAILABLE 11 KV SUPPLY OR 2)TO TAKE 33 KV SUPPLY WHICH IS AVAILABLE AT 10 KM DISTANCE BY INVESTING NEARLY 50-60 LACKHS

1 Answers  

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i am using star-delta connections with reverse/forward direction motion of the 75hp induction motor.What should be the ratings of Main,Delta and Star contactors and why?

1 Answers  

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Give details on how you intend to handle a challenging position you are posted to manage unexpectedly as a company staff?

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what is LDR used in street light

2 Answers   Cipla, Ram Infotech, Wipro,

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