Can any body describe me why a soft starter is used for 6.6kv
induction motor instead of VFD ?
VFD is employed generally for low and medium voltages
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what is rated speed?
What are Directly Exited Generators?
Why D.C Voltage used in Meggering...as well as in Hipot test? why not A.C?
what is the purpose of battery tap voltage.
3 Answers ABB, Crompton Greaves,
Is it possible that Generator trip but Turbine not trip.Give explanation.
sir, what is the importance of Fault MVA. how to calculate fault mva of 33kv substation connected by 6.5 km line(single circuit with equal spacing) with 110/11kv transformer in 110kv susbstation.the fault mva on 11 kv bus in 110kv susbstation is 208mva.
why white color LED light is not possible?
what is current overloading in stack
in 132 kv substation ligtning arrestor(120 kv) connected to line. but line voltage comes to 132 kv, it operate or not???
why an ac solenoid valve attract the plunger eventhough we interchanges the terminal?will the ploes changes?
We have ONLINE UPS 15KvA (3PHASE 440V I/P,3PHASE O/P,440V) I want to step down from 440 to 220 V What to do. Pl. suggest with specification.
What are conduct on the testing in cf in ur site?
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