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Can Induction motor run at over rated speed? ( 15oo rpm is rated speed for 50HZ. is it possible to ride 3000 RPM with same motor with the help of VVVFD for continues ride of 100HZ)
3 9428HT motors are generally connected in star, what will be the effect if we connect HT motor in Delta?
6 17241What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)
2113how we can select a transformer based on a particular load. suppose we have 4 motors of rating 40 h.p , 50 h.p, 80 h.p & 100 h.p. then what rating of transformer we can select. urgent. pls reply
6 20051when we are going to higher voltage level in substations why we are using Sf6 circuit breakers instead of Vacuum circuit breakers.
3 5901what is the formula to calculate the fuel consumption of a diesel generator at different diferent load.
4 24753Hi Recently I got one formula that is Impedence of Xformer = Rated KVA/Root 3 * secondry voltage OF Xformer. Is it Right??????
2 4793Post New Electrical Engineering Questions
Why does the rotor rotate?
DEAR SIR/MADAM,CLEARLY EXPLAIN ABOUT CRAWLING AND COGGING EFFECTS IN INDUCTION MOTOR.
What are the special cables required for explosion proof wiring?
Which type of questions well asked. ?
How to setting the volume of RTCC panel AVR (11kv) controller
what are the differences between 'exhaust fan', 'heavy-duty exhaust fan' & 'super heavy duty exhaust fan'. what are their power ratings ?
1)what is the function of a frequency inverter? 2)If a few frequency inverter are connected onto a device network,what are the two setting that will ensure the frequency inverter work properly on the network. 3)whats is the name of the input sensor for weigher? 4)How to confirm that the load cellis faulty? 5)Describe briefly the steps to validate that the weigher is working properly? 6)Describe the procedure to validate the flowmeter accuracy? 7)Describe briefly the steps to validate that the tempreture sensor/transformer is working properly. 8)what is the adjustment that need to be done when you are calibrating the temperature transmitter ? 9)what are the safety measures to be taken before disconnecting motor for rewinding. 10)whats is the synchronous speed in rpm of typical 4pole 50hz motor? 11)whats is the formula for kw, ohm's law 12)if a 3phase motor is rated 3kw,415vac,what is it's rated ampere?
brief notes on ammeters
How to prepare electrical preventive maintenance plan & shedule of machine tools in manufacturing unit.
Which power will flow first if we switch on a motor Active or Reactive? How?
What is The Resistance Formula
I have 4 busbar of 1000 ampere. we use 4 busbar to make 4000 ampere in one phase.my problem is that when we applied 60% load on that then busbar produced high noise.what is the reason of that and how can i minimize that noise.
How much current will a 5 HP delta connected motor at no load will take?Is tat need a starter
what is the setting of locked rotor in HT motor ? (answer expecting in percentage)
what will happen if the prime mover on the field excitation of the on-coming generator fails?Explain.
