Answer / markandeya

bucholz relay will bi instaald in between conservator and
transformer body.
it will give trip command when flow of oil is high or no
oil in conservator.

PRV is connected at the top of atransformer body. it will
opens towards atmospare when inside pressure is high

Answer / rupesh birla

Baccho relay genral operated through gas actuated in transformer. And prv relay operated throw oil pressure in transformer.

Can anyone please give me the parameters , formula needed to calculate the circuit breakers for building services.Thanks

0 Answers   Bhel,

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How can we Run three phase motor when only single or two phase supply is available ??

3 Answers  

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what ispositive, negative, zero sequence impedence?

0 Answers  

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Dear Friends, I have a 500KVA transformer supplying whole factory having 3 phase and single phase mixed loads. Power room has ammeters connected via CTs for individual phase. Now I know that readings shown on meter for each phase say R,Y and B are line currents. But when I want to know the total on transformer do I need to add the currents of all three phases readings shown on meter or value for anyone phase will give me the correct power load on transformer for that point of time. 2. If ammeter shows unbalanced readings for R,Y, B phases say 150, 250 and 300 respectively so can I assume that 150A i.e average of 3 will be the 3phase load currents and remaining will be 1phase currents. Please clarify my doubt.

4 Answers  

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how did the differential relay work to protect the power transformer

4 Answers  

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what is the difference between line voltage meter and relays

4 Answers   TCS,

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what is the minning of propotional, integral, derivative ?

1 Answers  

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How to find the voltage drop for short,medium,long transmission lines of a 33kv sub-station?

1 Answers  

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State thevenin’s theorem?

0 Answers  

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what is meant by dielectirc medium? what is the dielectirc value of air and water???

2 Answers   ISRO,

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what is the Transformer Protection & Type ??

4 Answers   GE,

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what is the chemical name for oil that used in the transformer

2 Answers   NCC,

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