what is threshold voltage for a relay???what does it exactly means ?whats its value in our indian transmission system say 11kv feeder RMU relay

3 Answers  

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In the case of petrochemical area AC drive & AC motor is used where the speed variation is required. Why they are not Using DC drive & DC motors in such areas?

1 Answers  

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1. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?

2 Answers   Automation, Indian Railways, Mogora Cosmic,

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I am doing apprenticeship training at HT switch yard in NLC. How can i get electrical c license. ??? What r the rules for getting it as an apprentice? ??

0 Answers  

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What types domain of laplace transforms? What behavior can laplace transform predict how the system work?

0 Answers  

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what is the formulae for selcting capacitor bank to increas pf

4 Answers  

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why the transformer was not rotating like a motor?

5 Answers   TATA,

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suri transmission

0 Answers   Bhel,

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I am in last year of Engineering.I want to apply for ONGC on GATE based score.They require Certificate of Competency as Electrical Supervisor.How can i get this certificate so I can apply for AEE(ELECTRICAL) in 2016

1 Answers   ONGC,

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why we use tapechanger in primary side of transformer

5 Answers   Bhel, L&T,

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what is the minimum bdv value for 400 kva transformer?

2 Answers  

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in thermal power plants by opening the turbine governor valve increase the generator load. how

3 Answers  

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