Does VT metering core can be used for synchronizing.
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what is meaning of sympathetic tripping with respect to relays and give the values for current carrying capacities for copper and aluminium cables from 16sq mm to 500sq mm
Classify driling machines.
we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain
what is integrated ac contact circuit
What is stepper motor?
I have 440v power coming to facility,( not being used ) can I buy large generator, (gas) to sell power back to electrical co.
We have 750KVA DG set, we want to introduce REF relay with 1250/1A,CL PS,Current transformers.The lead distance of 2.5mm copper flexible cable from CT to relay is around 5mtrs.We would like to know the knee point votage(VK) & IM calculion for CT's
how to carried out tan delta test in 11 KV alternator ?
difference between semiconductor & conductor & insulator?
After completing iti in electrician, how can i get certificate of electrical supervisor? What ia requirements. For it?
witch pump used in wtp
1.What will be stored in online ups EPROM IC?
What is the main cause of magnetism?
how to decide the panel size like MDB ,SMDB PANEL SIZES
What is servo lock in CNC how they work and if any parameter for them in CNC machine