Answer / prafulkumar

the vector group should be match(phase angle)
voltage rating should be same
frequency should be match

Answer / rakesh. a.d

Two transformers terminal voltage should be same
Two transformers impedances should be same

Answer / medroua

Mandatory conditions:
Same phase angle shift, Same polarity, Same phase sequence and same frequency.

Convenient conditions:
Same voltage ratio & Turns Ratio, Same Percentage Impedance, Same KVA Rating, Same Position of Tap changer if any.

Difference between directional earth fault and non-directional earth fault

2 Answers  

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dear sir i have completed one year post diploma certificate in thermal power engineering from national power training institute durgapur ...plz suggest me for power sector job

0 Answers   dbpl,

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what are all the pre commissioning activities in WTP in power plant

1 Answers  

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what is turn down ratio

4 Answers  

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why IBD Vent is kept at higher elevation than CBD ?

5 Answers  

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Difference between islanding and house load operation.

2 Answers  

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What should be the neutral and body grounding sysytem for grid (132 KV) parallel generators (440 volts)?

1 Answers   Rahimafrooz,

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explain how the third harmonic content of the magnetising current affects transformer design

0 Answers  

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What is precaution and after implication for 100% pet coke firing in AFBC Boilers?

1 Answers   Grasim,

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What is df/dt protection?, How to calculate setting range of 30 MW steam generator???

1 Answers   DS Sugars, MEMF,

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what is restricted earth fault explain in details

0 Answers   Greenko, JSW,

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how many safeties should be present in boiler?what are they?

4 Answers   DN, Nandi, Pump Technology, Siris, Thermax,

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