Answer / ravi kumar

Safety of vcb :[ Vacuum circuit breaker]
1: Earth fault relay
2: Master trip relay
3: Supervision relay
4: Short circuit
5: Shunt relay
6: Closing coil

Answer / arvind kumar

VCB SEFTY
Earth fault
Short circuit
Over current

Answer / kumar manish

VCB saftey-
1.Earth leakage
2.Current unwanted due to Short Circuit.
3.Over load

Answer / vijay raj

Oil type transfomar sefty ans dry type

Answer / bhanu pratap singh

all right

In Delta connected capcitor bank, One bank failed due to some problem. Can we connect Open delta capacitor bank to 3 phase motor. The motor voltage rating is 6.6KV. IF yes what changes will happen?

1 Answers  

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what you have to see after one week or month from the day of installation of transformer ?

0 Answers  

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what is the reasons for blowing fuse

1 Answers  

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Which Motor used in Fan's Motor ?

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Can anybody just suggest about the scope of Electrical design with ETAP software?Just guide me?

0 Answers  

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what is meant by armature reaction?

13 Answers  

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How can we calculate the rating of capacitor bank to be connected for a particular load(ex.100kw)to improve the power factor from 0.8 to 0.9?

4 Answers   Voltas,

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How many types of electrical earthing are there?

0 Answers  

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What is harmonics. How does it get generated and means to arrest harmonics

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How does CT can measure the high value DC current?

4 Answers  

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Why diesel tank kept in 990 ltrs

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how much Hp motor is required for water suction pump in home uses ?

1 Answers  

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