why we use 25 kv in railway .not 11kv, or 33 kv

2 Answers   ISRO,

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which metal use as a electrical shunt?

2 Answers  

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can anyone give an idea about dia calculation in cold rolling mill

0 Answers  

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what is the difference between rccb and elcb?

1 Answers  

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Explain the construction of the conservator, operation and purpose, and draw the diagram of the conservator.

0 Answers   Siemens,

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What type of wiring series or parallel is used for conventional and addressable type FAS & why?

0 Answers  

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What are the components of a substation?

3 Answers   IOCL,

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8. A DYNAMOMETER TYPE WATTMETER RESPONDS TO THE.......

1 Answers   SSC,

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During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP

0 Answers  

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what is resticted earth fault protection ? how did it protect & work in power transformer

3 Answers  

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what are the advantages disadvantages of connecting high voltage block( 1:1 transformers) transformers between the turbo generators and busbars.

0 Answers   Bajaj,

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what is the transformer efficiency?

5 Answers  

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