in our sub station why we step down firstly 33kv\11kv then 11kv to 430v. can we direct step down 33v to 430.v.

7 Answers  

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What is DC power factor??

2 Answers   HCL,

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why 3 phase is preferred than 1 phase?

4 Answers   Infosys,

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What is the criteria for deciding whther fire wall is required between two power transformers

1 Answers  

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i am completed diploma in ece,and working in ht and lt lines.so is elligible diploma in ece for get electrical C Licence?plse give ur opinion?

0 Answers  

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what is the use of megger? and types

11 Answers   TNEB Tamil Nadu Electricity Board,

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I WANT YHE TECHNICAL AND ELECTRICAL SPECIFICATIONS OF 2x4MW 11KV 2x10MW 11KV 2x25MW 11KV 2x100MW 11KV HYDEL POWER PLANT i.e PROTECTION SYSTEM,MONITORING,CONTROL SYSTEM,GENERATION,SYNCHRONISATION,METERING PLEASE SEND THE DETAILS TO MY MAIL ID SPRAVEEN_222@YAHOO.CO.IN

0 Answers  

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wow to calculate the transformer rating(KVA)

0 Answers  

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a.)Ammeter and Voltmeter read rms value or avg. value ? b.)What are symmetrical and Unsymmetrical faults?

2 Answers  

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design a 3 bit synchronous and asynchronous counter using T- flipflop

0 Answers  

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why should a transformer be never connected to dc supply

5 Answers  

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if single phase is having 220v supply then why three phase is having 440v instead of 660v?

4 Answers   C&S, NTPC,

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