can we replace d.c.motor by 3 phase induction motor for a
particular application
Answer Posted / guest
no we cnn't. because d.c motor are used in ac aswell as
dc.in case of ac it needs 1-phase supply . so we cann't do that
Is This Answer Correct ? | 1 Yes | 3 No |
Post New Answer View All Answers
A well system is when , no. of bus bar is less or more. Tell me the concept of it.
Do you know what is dry-out test in x'mer
What should be the protection scheme for a 15kw, 3-phase motor working in a lathe machine.
WE know that for Inductor X=2pifL,In DC f=0,then X=0 so,V=IX=0;But In the DC excitation of rotor of AC generator,DC motor field coil which coils are inductor so why does not applying DC voltage short the rotor coil of AC generator and field coil of motor?If it would then DC source might be damaged but it is not happened. Why does the strand conductor of Electrical power transmission line make twist?
What is the function of the circuit breaker failure relay?
What is ideal IR values for ground and neutral.
can anybody send the rrb chennai &rrb bopal question papers of 2006&2007.My exam is on 12 oct 2008.Its urgent
what is the problem when i want to close a circuit breaker by local position it closes well.but when i close it in remote position it trips
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.
I want the details about BHEL company examination.Can anyone able to help me please.
I would like to know that the fault curretn at base load and at 10% generation will be same? Fault level of BUS remain same with different generation?
What is Plank's Law?
How to measure size of cable on a given load
explain the mode of metal iranafer in Co,welding
What is the loss of transformer of 220kv/11kv, 63/80 MVA and 18.05% impedance