In a synchronous motor armature current flows due to
revolving flux which in turn rotates the load,but in no
load condition armature current is zero hence thr is no
revolving flux then how motor rotates?
Answer Posted / phani
Due to residual magnetism some flux will be developed.
| Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
Can we use shunt trip coil instead of trip coil with protection relay for protection?
What is mathematical model of a control system?
Is it possible to measure the voltage of a battery from a single terminal?
in a simple IDMT relay we use neutral point of ct for earth fault then what is the requirement of neutral ct and cbct?
solar inverters was not connected to the nuteral link .this nutwral possible to any other systems
Any one who apply for Ferro Scrap Nigam Limited cn join with me at rajuhalder@indiatimes.com or 09669717028
How do I calculate/select Droop CT ratio for various capacity of generators?
in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.
When is lag lead compensator is required?
What is the method for testing the differential protection stabilty in generator? When the time of starting What will happen if differentail protection connection wrong means?
WHY L-G FAULT IS MORE SEVERE IN TERMS OF RRRV?
why the electrolyte level in lead acid battery is maintained 2.5 cms above electrodes?
how to calculate the battery AH
EXPLIAN THE IMPORTANCE OF POLY PHASE CIRCUIT.
i have been tasked with a design of protection, metering and control(PMC) relay panel extension to accommodate all PMC relays.There is an already existing panel where this one will be built.What are the design aspects for this kind of project? thank you.