how many types are their in switchyard or substation(like D,I TYPE), what is differant between them

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which type of motor complete it's one rotation in 30 day's.

2 Answers  

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what is the best method of grounding in 30 MW generator?

0 Answers  

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hi this is hema, r there any books in particular for the preparation of the APPSC-A.E.E(electrical), if so please mail me the names ... thank u .

0 Answers   Vizag Steel,

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In a power system we know that if the generated power is less than the load then the frequency of the system is decreases.So does this mean that total required load is delivered at alower frequency?

1 Answers  

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why does rotor rotets?

0 Answers   IBM,

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I am having 120KVA UPS,which is connected to DG & normal power. What is the power drawn by this system when system is running on DG ????

2 Answers  

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What should be the setting of an earth fault relay.

2 Answers   HP,

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Diffrectiate between earthing and neutral

6 Answers   TATA,

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why hv winding is not placed near to transformer core

4 Answers  

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Draw a 230kv two-bus bar system showing the following. 1.Two generators (150MW) each connected through one 15.75/230KV transformers 2. 1 outgoing lines 3. Two 230/130 KV transformers 4. BUS PT's 5. CT

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what is the different between bus section and bus coupler

1 Answers  

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