How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test?

2 Answers  

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why VCB always installed only at HT yards or HT side? suppose if ACB installed at there means, what will be problem?

1 Answers  

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when the flux enters into saturation mode then what will be the secondary voltage of the normal t/f?....high or low ? explain ...how?

1 Answers  

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what r the types of transmission line?

28 Answers   DIET, RRB, WAPDA Water and Power Development Authority,

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what happen if rotor earth fault in AVR system?

1 Answers  

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what is the function of supervison relay?Draw its wiring diagram.

2 Answers   IBM, R.R. ISPAT LIMITED,

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photo conductive cell

4 Answers   Bhel,

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what is the difference between power transformer & distribution transformer and what are their ratings respectively?

4 Answers  

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Define what is the function of anti-pumping in circuit breaker?

0 Answers  

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A system having the charactristic eqation (s+1)(s+2)(s-3)=0 is (a)stable (b)unstable (c)marginally stable (d)critically stale

1 Answers  

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In UPS, battery connections if parallel connection given, what will happen?

2 Answers  

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we touch other end of the tester supply, why do not get shock?

7 Answers   L&T,

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