In Swinburne's Test on D.C.machines, why the efficiency is
more when the machine runs as generator than when it runs as
motor???
Answer Posted / dharani
because of high currents obtained when it is placed as motor &
Is This Answer Correct ? | 68 Yes | 29 No |
Post New Answer View All Answers
Please nybody say, weather the result of Bharat Oman is declared or not? Probable date of declare???????
What are the raitings of Mcb,mccb and Acb in detail ??
A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor?
What is the difference between Generator Differential Relay and Transformer Differential Relay?
Draw the vector diagramme for Asynchronous Induction Generator at noload,half load and fullload.
IN SINGLE PH TRANSFORMER IF LEKAGE IMPEDANCE DROP IS NEGLECTED ,THE FLUX IN THE MAGNETIC CORE and the lekage flux linking a winding are a)proportional to the applied v to the winding i respectively.
kindly send me 11KV MV motor differential protection procedure by primary injection method.
what is the meaning of osr in transformer.
explain Density
What is the name of the winding from which the supply is taken for load connections?
Why two phase welding machine is used instead of three phase welding machine.
IN 1000kva transformer where the oil and winding temperature sensors is connected
how can tell us the AC indoor or outdoor which Tr and formulls
What is pd controller?
Any Electrical Engineering jobs?Please refer for interviews. Thank you