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in three phase 11kv transformer (11kv/433v) input( R,Y,B) output (X,Y,Z,N) the connection as follows 1 phase R -open 2phase y connected to both R and y of input] 3phase B- B what is the output voltage X to N ,Y to N , Z to N
2 8951If we tell 60 sq.mm. 3-1/2 core cable,then what does it mean ? 1) Each core section in the whole cable is of 60 sq. mm. 2) The whole cable is of 60 sq. mm. which is sub-divided into 3-1/2 core.
3 5638In all electric motors, fans are provided to dissipate heat. How it dissipate the heat? By absorbing atmospheric air or by exhausting the heated air generated while running?
Ford,
2 5387In 1000KVA Transformer why does we connect HT with delta connection and LT with star connection.Illustrate by showing formula?
4 10467IN A SMALL D.C GENERATOR, IF WE REPLACE THE LAMINATED CORE ARMATURE WITH A WOODEN BLOCK OF SAME SIZE & SHAPE AND WIND WIRES WOUND ON THE SLOTS OF WOODEN ARMATURE AND CONNECTED TO THE COMMUTATOR.COMMUTATOR IS FITTED WITH BRUSH TO RECEIVE INDUCED E.M.F.WHETHER E.M.F GENERATED OR NOT?
3 4494show that power dissipated by a pure inductor exited by a sinusoidal voltage source v = vm sin wt is zero
1 4887in ACB breaker requireding 3200Amps. buscoupler getting OFF mode and again it reset and getting normal position give me a required answer?
2300Post New Electrical Engineering Questions
During Testing of Maintenance Free Earthing, How deep should be the Spikes of Earth Test Meter should be inserted in the soil(one spike is 15 Meter & Other spike is 30 Mtrs away from the Main Earth Electrode. Because, recently, we observed that when spike is inserted 3-4 Inch in the earth- results are better, If spike is inserted 1 feet deep than results are increasing.
what is the total power generation in india?
What is tan delta & PPM in transformer? and whats its IS value?
What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.
Why Water motor is not taking a load or pressure while everything is correct. (Note: Motor running properly)
WHY THE COLOR OF OUTDOOR TRANSFORMER IS BLUE ONLY???
what is the star delta connetion and how can do it a three phase motor with control witing with picture
Parts of machine and their discription in details with suitable photo
how many single tension hardware are required on a double circuit transmission tower?
What is the ratio of true power to apparent power in an ac circuit?
HELLO SIR, IAM PREPARING HPCL EXAMS. SO PLS SEND MATERIAL OF HPCL ELECTRICAL ENG..TO VIJAY_8888@YMAIL.COM
What is the difference between circuit breaker and isolator
Compare salient pole and cylindrical rotor machines.
what precautions to be taken while desigining a LT,HT panel. Eg-LT panel PCC panel with ACB installed. HT panel VCB panel with VCB installed. & what is main diffrence betwn IP54 & IP55 construction of panel.
what is dry and wet frequency withstand voltage? why & where it is used??
