What is the Difference Between choke & ballast

3 Answers   ABB, ICS Integrated Computer Solutions,

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Which standard we are following earthing resistance test

0 Answers  

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it is possible to run 130V AC and 230 V AC cables run in same tray

2 Answers  

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sir i have applied for isro-09. still i did not got the HALL TICKET.

2 Answers  

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what dose the arrow indicate in the symbol of power transformer?

1 Answers  

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we know the value of the power factor is 0.8, we know the power factor is not depends upon the load ,then why we cant design the power factor in transformer ?

1 Answers  

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1ampear me kitna watts hota hai aur elcb ka pura naam kya hai

18 Answers   Al Khayyat, Alpha G, BEC, Bhel, CGS, Electrical, Fiem, Firmenich, HLG Habtoor Leighton Group, Jash, Kandia, Maruti Suzuki, Minda, NTPC, ONEIC, Pace Process Controls, SMTC, SR, Sunrise Electrical, Sushil Enterprises, Suzlon, Voltage,

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what is rotor earth fault protection scheme in hydro generator & what is dc field flashing ?

2 Answers   NHPC,

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how we can produce negative DC voltage ? please explain it .,thank u

1 Answers  

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If increased the frequency up to 1000 then what changes shows in voltage?

0 Answers  

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In hydro plant,generally we install vertical hydro generators..why dont we recommend horizontal one??

1 Answers   Alstom,

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hi guys please tell me the procedure for mesuring the coil resistance of 3ph induction motor?

0 Answers  

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