Answer / suresh

normally the testing kit is available for 2.5 mm airgap it
required 50 KV means lcm 200kv BDV value is required.

Answer / amit upadhyay dscl

40 kv/mm

Answer / bijan

I think 40KV.

Answer / senthilkumar

70kv

Answer / souvik dolai

40kv/mm

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 taking Capacitance and Tan Delta Test in Transformer bushing?

1 Answers  

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we convert 66kv to 33 kv to 11kv to 440v. why can't we directly convert 33kv to 440 ?

9 Answers   EMC, Jakson, L&T,

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In how we connect watt meter for open & short circuit test of a single phase transformer.

2 Answers   Sail,

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what is frequency? and its importance

3 Answers  

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Which modulation has higher data rates a.fm b.am c.qam d.qpsk

1 Answers   NTDC,

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what type of protection used below 132KV feeders

11 Answers   APTransco, Telecommunications, wbsedcl,

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Could the power factor on electrical system can affect the registration of the kwhr meter or the CT/PT? 

0 Answers  

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why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?

0 Answers  

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what is the use of cable in our environment ?

0 Answers  

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In EB metering we face problem kva jump even in no load condition.can any one help to control this

0 Answers  

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why rating of generator is kva but motor is kw ?

4 Answers  

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