what are the merits and demerits of synchronous motor over
an induction motor...??
Answer Posted / mahesh katakdhond
MERITS
1.Run in Synchronous speed.
2.If load changed then run either synchronous speed or zero speed(magnatic locking).
DEMERITS
1.Not self start.
2.High cost.
Is This Answer Correct ? | 1 Yes | 2 No |
Post New Answer View All Answers
Do Phase angle measurement have any application in freq/harmonics measurement? If so how?
234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,
What types of high speed CMOS circuits have you designed?
what is mean by descripiency relay? & wht is its ansi code?
Why the moulded plug comes with domestic appliances instead of assembled plug like anchor, Vinay 5/15 A.
a simple c++ program to calculate simple interst with its data members as private
Why using synchronising methed in DG's sets?
How the over load setting for HT Motors calculated-provided in Numerical Relay
how can calculate 1kva generator running time in 1 liter keroscene
State magnitude criterion.
we have an energy meter in a capacitor bank panel, So should we consider it's readings as energy consumption on daily basis. (when capacitor bank doesn't have any energy losses)
What is the role of power pack in substation protection system?
what is the max. acceptable leakage current in 33kv bus bar
Please send 110 kv sb station full single line drawing(sld)
1.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor