Name the instruments which run on DC?
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If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?
in our sub station why we step down firstly 33kv\11kv then 11kv to 430v. can we direct step down 33v to 430.v.
why the check zone and main zone are used for Busbar Protn. scheem?
when we switch on the switch and load is not connected at home,is electricity wasted?
What is fault level?How it is calculated and how it is Expressed?
why we don't use earthing as neutral?
How much depth we will take in 33kv sub station and why.
HI, I want to buy a new Xformer to my plant. what are the main parameter should I check ( Xformer rating is 16 MVA)
assume we are put both df/dt and vector surge relay in same bus the df/dt relay setting is +5 hz an -5HZ. we want operat the vector surge relay before the df/dt how i calculate the setting of the vector surge relay.
what is conductor constant of raccun conductor
0 Answers CSPDCL-Chhattisgarh State Power Distribution Company Limited,
HELLO EVERYONE, I RECENTLY HAVE FOUND ONE PROBLEM, I WAS TAKING NO LOAD TRIAL OF AN HT MOTOR 920 MOTOR , 1440 RPM , 6.6 KV, WITH AUTO TRANSFORMER. AT 450 V, LOAD WAS 40 AMP AND SPEED WAS 250 RPM. BUT AS WE INCREASE VOLTAGE FROM 450 TO 480V, LOAD BECOME 41 AND SPEED REDUCED TO SOME RPM . SO WHICH PHENOMENON ACTED HERE FOR REDUCING SPEED.?? AND IS IT HAPPENING ALWAYS OR IT IS RARE? I ALSO HAVE FACED SUCH PROBLEM WITH FEW LT MOTOR ALSO.
what is Diversity factor in electrical installations
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