Answer / k.prakashchandra

If you change connection from RYB to YBR or BRY there will
not be change in direction.

what reason of line current and phase current in star connection and line current and phase current not equal in delta connection?

0 Answers   Suparco,

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How to take vector group test of a transformer? Suppose we dont know the vector group of transformer, how to check its vector group through test? I have 3 transformer DYn11 & DYno& Ynd11, how to confirm its vector group?

1 Answers  

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Dear All, Pls let me know about ELR.... CBCT is using for singnal purpose... How it works.. any body can explain pls.......

4 Answers  

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where is used dc volage transformer,and what is highest capacity of transformer

2 Answers  

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A T-T transformer can not be parallel with transformer A V-V B star-delta C star-star D delta-delta

1 Answers  

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Electricty is generated at around 16kV, then step up to 220kV for transmission then steped down to power transformers then DTs and then through the LT n/w it reaches the consumer end. At the consumer end 230V supply is required. So, why is electricity not generated directly at 230V and transmitted?

4 Answers  

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what is electricial and mechnical interlock.

9 Answers   Control Dynamics, EFS, HP,

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what does happen if generator frequency fall in running condition & what should require immediately

4 Answers  

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in 220 kv substation,what is the mean of avr voltage reading? means at oltc temp. 36 the avr voltage was 109v.so what the mean of 109v

1 Answers  

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What is the loss of transformer of 220kv/11kv, 63/80 MVA and 18.05% impedance

0 Answers  

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what is difference between inductive and reactiveload?

5 Answers   ONGC,

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A single line diagram(SLD) and a purchase order of a 11/66kV switchyard of a power plant was given. In the SLD, only one lightning arrestor(LA) was shown, but the purchase order had need of 3 LAs. Is this correct, if yes, why?

2 Answers  

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