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Question
WHAT IS B & C CLASS SURGE PROTECTION AND WHAT IS DIFFERENCE
BETWEEN B & c CLASS SP
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
For surge arrester (lighting arrester) class defines the
capacity of energy can dissipate by SA.

Class in generally not defined by B & C but it defined a
class 2 , Class 3 , Class 4 & class 5 for sub stations.

For 145 kv (110,132 kv ) class 2
For 400 kv ( 400 kv) class 3
For 540 kv (generally not use in india) class 4
For 765 kv Class 5
 
Is This Answer Correct ?    3 Yes 2 No
Vanraj
 

 
 
 
Other Electrical Engineering Interview Questions
 
  Question Asked @ Answers
 
whether choke act as a voltage regulator in tubelight or not? Bhel 1
what is short circuit force ? How to calculate it for Panel? Bilt 1
TRANAFORMER RATING 500 KVA,33KV/433, SECONDARY SIDE SWITCHED ON ONLY CAPACITOR LOAD 140 AMS, PRIMARY SIDE HOW MUCH VOLTS INCREASE? BPL 1
if we supply DC power to AC transformer then what its result?   14
how DC motor operating in detail .pls any one guide me .iam not clear idea about that .thank u   2
Difference between divercity and power factor   1
Why the Motor takes High Current in Starting time?   5
In a Synchronous generator, Can AC voltage be used instead of DC voltage in field winding of rotor to produce AC power? NTPC 10
What is an Isolation Transformer? Where it will use?   2
How can the direction of a three phase induction motor be reserved   4
what is appearent power?   3
What is the minimum distance between taransformer (say 2000 kva)and its earth pit? Bhel 2
 
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