Answer / guest

ferrite core

Answer / lakshmi

high grade silicon steel. eddy current and hysteresis
losses are depend upon frequency. for high frequency the
losses are also increases. and hysteresis loss are also
depends upon hysteresis coefficient (n). high grade silicon
steel (crgo steel) having low hysteresis coefficient that's
why it is used at high frequency transformer.

Answer / ketan kumar

Colled rolled grain oriented(CRGO) steel

What happens if the negative to earth voltage is greater than positive to earth voltage in the battery of substation?

0 Answers  

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Can u tell me design of switch yard

0 Answers   NTPC,

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for 8 mva 33/11 kv transformer what will be the setting of differential relay on which it trip & what is the HF setting in this relay

2 Answers  

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Whether earthmat designning is done only for sub station or it can be done for multy residential complexes also? What is the size, type & arrangement of the earth grid to be done?

1 Answers  

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how system voltage affect the power factor or vice-versa.

4 Answers  

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how the aircraft outer body and inner body is separated ?

0 Answers  

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how do you tell if a avalanche button diode is a p or an

1 Answers  

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why we use core type and shell type transformers?

2 Answers  

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what is mean by xlpe cables?

3 Answers  

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we have 3 phase 4 wire supply 230/415 V.AC and our distribution is single phase or we have all single phase 220 v,ac operated appliances. and noted the current with help of clamp meter Red to N = 20 Amps. Yellow to N = 45Amps and Blue to N = 30 Amps ( total is 95 Amps ) what will be neutral current on the main .

1 Answers   ABC,

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solar energy light efficiency & disadvantages?

0 Answers  

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What is difinition of HIGH RESISTANCE FAULT and LOW RESISTANCE FAULT?

3 Answers  

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