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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 8948If 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 5633In 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 5385In 1000KVA Transformer why does we connect HT with delta connection and LT with star connection.Illustrate by showing formula?
4 10457IN 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 4489show that power dissipated by a pure inductor exited by a sinusoidal voltage source v = vm sin wt is zero
1 4882in ACB breaker requireding 3200Amps. buscoupler getting OFF mode and again it reset and getting normal position give me a required answer?
2298Post New Electrical Engineering Questions
The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input
how to identify vector group of three phase transformer by voltage method?
limitation of conductor height on ground when we consider EMC
which protection function should measure RMS value of current&DFT value of current?
How to know the Max. current caring capacity of the cable by its size ?
y we use neutral,all r told its used to for closed path..k its a just used to closed path,in a transmission line y we put same conductor used n both phase and neutral..if we use less than phase conductor in neutral mean we ll reduce cost its right r wrong..if we use mean any problem occur in transmission line..
why -48 volts dc used in telecommucation
what is zinc diffusion?
In TNC switch, is there any 1NO+1NC block ? and if we move over closing position, is ther any affect on trip position or vice versa?
which of the following elements is not present in stainless steel
how give earthing conection to household equipment?
What should be the protection scheme for a 15kw, 3-phase motor working in a lathe machine.
what is the significance of tan&delta and how it performed in power transformer
1.25 kg of hydrogen are burnt with stiochiometric air, the mass of air in kg required is
Sir, plz tell me how droop setting is done in parellel operation od DG set ? please give practical example ?
