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Answer Posted / amit kumar pandey
A Person who have knowledge of application called Engineer.
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Calculate torque developed by the 3-phase, 5 H.P., 4 pole induction motor runs at 1500 rpm A 23 N-m B 21 N-m C 10 N-m D 0 N-m
how the phase convertor changes the no. of phases
A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.
Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?
With a phasor diagram show the effect of increasing the field current of a generator supplying a constant real power and connected to a grid system.
What is signal flow graph?
How will calculate losses in an multi core Aluminium LT cable of different sizes & upto what length we can use a LT Cable ?
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 range of speed can you get with the field control method of speed control of d.c. Shunt motor?
How do i perform grounding of star point of Genset (400V) for making connection with step up transformer of DELTA-DELTA (400V to 20KV) ? while Genset itself has its own neutral and grounding bus bar inside genset breaker box whereas we have another neutral and grounding busbar in synchronizing panel next to genset at maximum distance of 6meter, would someone pls advice if we can only perform neutral grounding in synchronizing panel or should we ground neutral on both places inside genset breaker box and synchronizing panel.
how you will decide the distance between the power transformer and its fencing
what is the difference b/w pvc cu conductor and cu breaded wire..?
any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?
In 90 kva alternator that produce the output voltage is 115(p-n),200(p-p) at 1500 rpms means what ampere it produced ?
What is the unit of magnetic flux density?
