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what will happen if secondary of potential transformer (220kv/110volt) of any metering core or protection core (cables) of any phase got earthed??
1 4562Pls.could any one Clarify the following with an example. 1.At What condition Close on Rise and Close on Fall Pressure Switch contacts are used. 2.If Pressure is abnormal as per set pressure,if connecting Terminal of pressure switch breaks,how the voltage extends to Relay base. 3.Are these contacts come under fail safe philasaphy.
1 4523how to set calibration range in a DP transmitter to measure level for a closed tank and for an open tank,and also please explain me how to set calibration range for a DP flow transmitter in a line ?
1 9460While giving Power Supply of 24 VDC to a Transmitter,why Shield Terminal is connected either at Transmitter or at ISB.Why not Shield Terminal connected at both ends.If the Reason is to avoid Noise interference,which type of noice that is interfering.Is the Noice from the 24 VDC supply terminals or from any external source.
1 5666what is the pulse and audio frequency transformer? what is different between induction regulators and tap changing transformer?
2132A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.
3076how much st. steel is required for staging of concourse slab of a elevated metro station allowing through traffic .
CCCL,
2749Dear Friends, Need your help for connecting APFC panel, Quotation : I have 2 No’s 1000 KVA Transformers, both transformers are having separate APFC panels, ( Tr-1,400KVAR, TR-2,450 KVAR) Now I want to stop One transformer, present load is 650Amps, Max, So One transformer is enough, I have switched OFF TR-1, but PF is not maintaining properly, its 0.5, So now I want to connect TR-2 APFC also in TR-1 Loads, Can any one answer for my Quotation with drawing, how to connect TR-2 APFC panel in TR-1 Loads,
L&T,
4 6681Hi to u all : Friends: Why when operate on 2 phase welding machine the power metr goes reverse ?? the meter is god on other loads. thanks
2 4591
Is it possible to make common ducting for Induced draft boiler with Forced Draft Boiler? Induced Draft Boiler is having Agrowaste type and Forced Draft Boiler is of Oil Firing type.
i m going to give an interview for iocl on 5th aug . pls tell me what questions can be answered from metallurgical prospect
Why strting torqe high in inducation motor?
Define polyester?
I am called for interview from north east power plant .so, I need some interview question which may help me.
who invented active elements? plz give me the complte details of active elements...
what is laser diodes?
Provide some examples of optical encoders?
What experience have you had in writing technical materials?
What are the main advantages of integrating type adcs?
Explain how do you calculate cooling energy?
I need bhel previous year quetion papers for electrical engineering department.I searched but i could not find out
What happened if the exhaust valve is leaking?
what is designing step of heat exchanger
Reinforcement details at hinged joint
