Answer / amit tyagi

Thanks for hellp

Answer / pbho1128

Is there RCCB by one pole? If there is one pole RCCB, how
does it operate?

we have taken HV test of 2.5 k and Megger test on 11 kv HT cable.here it shows no fault but when we are charging the same cable with 11 kv supply why the VCB 11 kv gets tripped can anybody define the possible cause of fault ?

4 Answers   MAHINDRA,

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In hydel power plants, L.A's, S.C's are placed inside the control panel boards. what is the purpose? [already the total body was earthed to ground.]

0 Answers  

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what is the difference between indoor & Out door substations

5 Answers   HSBC,

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How to select the Cable size for 550 Amps Load without seeing the cable Catalogue?

8 Answers   Nesma,

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One watt is equal to how many? we says one watt bulb,means what it consume?

3 Answers  

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What are capacitive,resistive,inductive surge absorbation? What is ferranti surge absorber? What is lagrangian cost? What is Px operator?

0 Answers  

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how to protect transformer

2 Answers  

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why plc need seprate earthing?

2 Answers   ABB, Whirlpool,

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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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What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.

0 Answers  

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what are 3 factors when selecting a contactor for a job?

1 Answers  

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Can motor act as generator (OR) vice versa? explain how does it do please post the answer technically

11 Answers   GM General Motors,

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