Why dc supply is used for closing and tripping coil of ht
breakers. What happen if we use only ups ac supply only.
Answer Posted / jpgupta
how to check capacitor
Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
hi I have done 3 yrs diploma in electrical engg after 10+2. I have 16 years of work experience into design proposals sales and engg application development in LV/MV swithcgear and sub station automation field. I want to apply for immigration to new zealand but I am not sure whether I qualify or not since I dont have a degree. Can anyone advice? Thanks Riz
What is the difference between Delta & Wye windings?
1.what is the reason for transformer and lightning arrester blast in 33kv system
i have install 750 kva distribution transformer at my site and want to do neutral earthing. what calculations should i follow to determine earthing conductor material and size?
What is the difference between a verilog task and a verilog function?
what is the difference between unarmoured & Flexible cable? How to identified?
why d.c produces corrosion
it is possible to rotate the DG engine dc starter with wrong polarity connections? why?
please tell me, how i clear the objective test? when i studied form the one book after i solved the objective ,that time i solved that qes. but if i tried solve objective form the other book then i could not solved these que.
how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.
I want to merge a cable..in between two metering Cubicals which contains CT's and PT's and Energy meter..before taking merger..what are the common things required?
What are the classifications of heating element?
Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0
In siemens PLC, why do we want to move the data ?
what is JE exam?