Why in power plant projects we see DOL starting method used for motors upto 160 kW instead of star delta method
UCC,
1578In a synchronous motor. if start is running at high speed. What will be the starting torque : Higher Lower Zero
1476in the farm,water tank of 8000 litter capacity situated in 12 meter above.Farm owner want to lift 7000 litter of water within 7 minute to water tank of 12 meter above.which motor having HP rating is suitable for pumping??
1 2731we have two generators different capacity on 15 MW and other 6MW at 11 KV , 15 MW gen. bus short level current 40KA,and 6MW short level current 25KA,, length of cable 100MTR between 6 MW from 15MW gen. for bus coupling . kindly tell any one can we use both NGR OR one NGR from any GEN. BOTH NGR has diff. rating. Tariq pakistan
1417We are dealer in Maharashtra State & We have recd. form C from dealer of Maharashtra State against our E-1 form. Now assessing authority is asking for counterfoil of our E-1 form. But, our E-1 form counterfoil is misplaced somewhere & assessing authority is disallowing the C form which is recd. from Maharashtra State.Please let us know the option for allowing C form?
1 2096What happened if C.T mount at any cable or Bus bar in wrong direction . C.T going on proper work or not . C,T direction is essential thing to properly work.
1484Post New Electrical Engineering Questions
what type of earthing do for dry fissure rock?
how ct burden,magnetising current,ratio and knee point voltage are related & derived
In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.
what is the difference between megger and earth resister ??
Define non-touching loop.
Explain M Var? Which types of problem occurs when reactive power increase at the time of full load of plant and at the time of synchronize of plant?
What are the uses of stepper motor?
State superposition theorem?
What is FTA card? How it works?
how to select the automotive wire size by mathematical calculation. for xenon headlamp with ballast. the ballast given data voltage 10-17v,current permenant 6amp, run up phase is 15amp, peak at swicth on max 400micro sec is 40amp.the sum of cable resistance is 150mohm.please provide referenc document if any for relating the peak at switch on current,time & wire wire size
What does the kvar means?
what is mean by PIR in circuitbreaker and give me detail of that?
sir please send me techinical questions for junior engineer posting in bangalore railway i am diploma holder
What happens if we run alternator on under frequency?
which type of questions asking for solar companies?
