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Generally in d.c. circuits the direction of current is from possitive to negative.In a.c.circuits what is the direction fo current flow
4 69981. what type of winding of slip ring ac induction motor rotor and why. 2. how the heating element use in two phase (415 volt)and what rating of element, you prefered.
1 4869Why Lightning arrester used? Can we use piece of iron as a core material of transformer, if No, why? In CRGOSS material what is meaning of cold rolled grain oriented? Why Impegrenation of Transformer is done? Properties of Insulator? what is phase angle? Testing of transformers (Routine & Monthly)?
NTPC,
6 12529Post New Electrical Engineering Questions
how to do the ductor test?
does the Trivector Meter of three phase automatically takes care of the low power factor and gives the reading accordigly or it does not take care of the Power factor while giving the readings please explain
what is a synchronizing lamp ?
Why cables and busbar both needed in LT Panels?
Do u know any one? how to find out in motor rated amps? formula?
Role of active and reactive Power sharing in between two synchronized Generators, Droop Setting role ?
what happend to DC shunt motor if its field winding insulation becomes slightly weak? will that motor can run on full load or not explain in detail. thanks
What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.
explain PV modules in solar energy generation.
What is stepper motor. What is its uses?
Define rise time.
what is ramping rate of generator
What are protections for dty type transformers
What is the most accurate way of testing ELCB?ELCB is better than RCD?
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