define IDMT relay?
Answer Posted / najmul
it is inverse define time relay. its working to fault
measurement inversely.fault current increase to operating
time decrease.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What is value of earth resistance required for substation and equipment earthing and what are the reference guidelines
Why synchorised generators are used for the production of electricity?
In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.
what is alluminium arm in ab conductors
Shall I use 40A semiconductor Fuses in 32 A SFU ? Frame size is same. What Happen if Fuses burn on SFU?
how can i determine the KVA/MVA rating of transformer precisely?? is there any standard test?????
Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV
I have two PLC processors. I want to communicate both processor with each other. How i can do so?
why don't we use the generator as a motor? and what will happen?
Where can I get Iidian straderd specifications for electrical items or works in web? please help me.
why need to be maintain power factor for industrial customer?
What is the effect of pd controller on system performance?
plese send me the oces/dgfs sylabus and previous year question pattern of electrical engg.?
As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.
What are the weight of 800KV DA,DB and DC type tower ?