Answer / kishorebabu

porcelin & polymeric

what is the difference between Resin Cast CT and Oil cooled CT?

1 Answers  

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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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HI,how to know that the MEGGER which i am using is working properly,reply....thankyou

2 Answers   NTPC,

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mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....

0 Answers   IFFCO,

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what are the checks of diesel gensets

2 Answers   Hathway,

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should %impedance be high or low in a power transformer? if so why?

0 Answers  

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Leakage current,un balance current which relay using for high voltage transmission?

0 Answers   Banking,

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where are the circulat the diesel in DG parts name with pictue

0 Answers   SSP, Wipro,

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how to calculate the current carrying capacity of cable

2 Answers   Bhel,

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What is the difference between Dielectric and Insulator

9 Answers  

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why the CT ratio secondary is always divided by 5 for eg( 75/5,80/5,50/5)

6 Answers  

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why the manufacturer provide M and C terminals ? why they will not internally short them ?

1 Answers  

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