what is inverter and converter

0 Answers   Hindustan Syringes and Medical Devices,

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in the directional overcurrent and earthfault protection,normally we are setting the angle 45 deg lead for phase fault overcurrent and -45 deg lead for earthfault fro forward direction.but both the fault are operating on the same angle region only.why?how the relay will response?

0 Answers  

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When star connection of motor is use?

1 Answers  

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If the soil resistivity is more large, how can we earthing our 11 k.v. transmission line?

2 Answers  

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what are symmetrical and non symmetrical components in electrical installation.

0 Answers  

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we done magnetic balance test for 33KV /440V transformer in our company , but the ratio out is confusing us Voltage applied in RY = 440 , at RB = 320 and YB = 60 RY 440 = ( RB + YB ) 380 only Please let me know what type of problem is it.

2 Answers  

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Why is the generator rating always in kVA and motor rating in kW?

7 Answers  

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what is the difference between electrical and electronic choke?

0 Answers   TCS,

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Why the colour of insulator is always is chocolate in colour?

3 Answers   Bhel,

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What is an infinite bus bar?

34 Answers  

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What is the difference between an insulator and a dielectric?

2 Answers  

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we convert 66kv to 33kv then 33kv to 11kv,11kv to 440v.why not we convert directly from 66kv to440v?

7 Answers   HCL, L&T,

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