what is meant by power and distribution transformer ?

0 Answers   CG,

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The undesirable property of an electrical insulating material is

3 Answers  

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What is the fuction of surge arrester and surge suppressor? Modern days line designes are based on which surge?

1 Answers  

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in 3-phase transformer which type of transformet is used in output side?

6 Answers   Essar,

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A group of machines (wind turbines) connected with 33KV feeder and each machines are having individual VCB. The 33KV feeder connected with 110KV/33KV substation. The 33KV feeder tripped by over current at Substation and fault recorded at Substation as OC-R&Y phase. Same time the group of machines VCB tripped by over voltage, the fault recorded voltage was above 66KV by numerical Under/Over voltage relay. While grid drop time, this much of voltage hike is possible?

1 Answers  

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what is the purpose of vector group in a transformer ? if 2 tranaformers r connected in parallel the vector group is same or not? for parallel operation 2 transformers of different manufacturers maintain same vector group or not?

3 Answers   Orchid,

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How to make two bulbs glow Alternatively?

2 Answers  

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why onlyseries motors are used as universal motors? why not shunt?

4 Answers   TCS,

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why are using bus ducts ? why not using cables

12 Answers  

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i asked a funny question in Electrical ohms law V=IR in const temp voltage is directly proportional to current Power p=VI cos@ in that formula Voltage is indirectly proportional to current Try to give me the fact what is happening in Electrical.. contact Thanigai_1984@yahoo.co.in

3 Answers  

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Slipring moter find external resistance

1 Answers  

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how can we calculate the cooper armed cable size if the protection load of main fuse is 80 ampere.

1 Answers  

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