What happen if the 24 volt DC supply is disconnected from air circuit breake ?

2 Answers  

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why the transformer primary and secondary windins vector groups vary? why it is something like Dy11 and not as Dy or Yy...

2 Answers  

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hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (vengi.annadurai@gmail.com)

0 Answers  

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What is the lower limit of megger value for 66/11KV power Transformer ?

7 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd, Torrent Power,

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Can we convert off line transformer to on line transformer

0 Answers   NHPC,

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what is synchronous speed.? if an induction motor is made to run at full load, then is this synch. speed too..?

2 Answers  

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In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.

0 Answers   Saint Gobain,

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what is allowable ac mixing in dc

0 Answers   Reliance,

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how many safety really of DG sets.

0 Answers   MBD, Nerolac,

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what happen if rotor earth fault in AVR system?

1 Answers  

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How can I calculate the trnaformer effciency at different loading condition?

2 Answers  

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in india why we not use frequency above 50 hz for distrubuting power ?

1 Answers  

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