what is back emf?

4 Answers   Bhel,

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What is the meaning of TRI Vector meter?

7 Answers   ABB, Excel Power Switchgear,

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how tto ingress mw in turbine explain.procedure ?

0 Answers   Power Grid,

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Can anyone explain how the vector diagram of a transformer which doesn't have name plate be found whether it is Dy11/Dy5/Yd11 and so on?

4 Answers   TATA,

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Either It Possible a dc Motor to Run On Ac Drive [ Ex : ACS 800 , Yaskawa F7 ] If it is Possible How Pls Inform Me dinesh_elect_eng@yahoo.com

0 Answers  

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how many types of accuracy class in ct? what is meaning of 5p20?

1 Answers  

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is it necessary for 200 kva transformer to have marshaling box and cu plate earthing for neutral

1 Answers   Blue Star,

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why we use RYB phase sequence? and somewhere we use UVW ? why?

6 Answers   CSPDCL-Chhattisgarh State Power Distribution Company Limited, MUET, TCS,

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heat can flow from a body at low temperature to a body at higher temperature only when ........ is supplied from an external source A). Voltage B). Current C). work D). Mass

7 Answers   BMRCL,

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what is difference between AC VVVF drive & Dc VVVF drive explain their working principle?

13 Answers   Apollo, OPS,

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Why servomotor and induction motor are in different shape

1 Answers  

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what is difference between 2wire method and 4wire method of winding resistance testing of transformer?

1 Answers  

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