how can we save enegry by using VFD for Resiprocating Air
compressor which is having more unloading running hours
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if the syncronous machine run at leading pf and as its field curret increased its armature current decreased is machine operate as generator or motor?
what is the difference between squirrel cage & slip ring induction motor?
What is frantic effect?
What are the safeties in elevators?what is the use of governor in elevator?
how we can set the IDMT relay.
how to calclate fault level
what happen if transformer neutral not earth
Can I use less voltage cable for neutral, since the voltage of return path is zero ideally?
what is two wattmeter test
What is the formula to calculate the no load current of a single & three phase induction motor
For fixed primary voltage how does secondary terminal voltage of a transformer change if the pf of inductive load is raised from 0.7 to 0.9 with load current remaining fixed ?
If u take a kWh reading in 11 kV HT and 440 LV side at same time in yesterday today , then why LT consumed units 3-4℅ high as compared to HT units