What is routh hurwitz stability criterion?

0 Answers  

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How is The split core current transformer working ?

1 Answers   Honeywell, NCC,

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why voltage coil in wattmeter called as pressure coil why the pressure term is used in wattmeter?

1 Answers   NPCIL,

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Where earth point should provided in Ships or Submirines.

2 Answers   SSC,

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What is Ohms law?

28 Answers   College School Exams Tests, KPTCL, L&T,

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We use ungrounded DC system (220V/110V) for control and protection system in substations etc. Suppose we have long 2 core DC cables running from our DCDB in control room to the load (length of around 2 to 3 km). Do we need to protect these long DC cables from earth leakages or not? If yes how?

5 Answers   Siemens,

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why transmission is done in delta system

4 Answers  

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what is a pulse transformer? how rise time of pulse changes when ever the voltage changes?

0 Answers  

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what is over frequency protection

1 Answers  

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last week we did the REF relay test by closing single pole (R phase) of CB and apply 380V at the primary of delta transformer. we get 33A at the primary of the R phase star end. but we get 380A at both R an B in delta side. how and why?

1 Answers   Siemens,

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whether the battery is voltage source or current source?

2 Answers  

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what are the different types of bus bar used at electrical work at shelter

3 Answers   Aster Teleservices, Costco,

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