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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 9549HT motors are generally connected in star, what will be the effect if we connect HT motor in Delta?
6 17443What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)
2162how 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 20254when we are going to higher voltage level in substations why we are using Sf6 circuit breakers instead of Vacuum circuit breakers.
3 6021what is the formula to calculate the fuel consumption of a diesel generator at different diferent load.
4 24886Hi Recently I got one formula that is Impedence of Xformer = Rated KVA/Root 3 * secondry voltage OF Xformer. Is it Right??????
2 4888Post New Electrical Engineering Questions
in cvt,there are two windings,1a,1n and 2a,2n.in my one project i use only one winding i.e.1a,1n. the other winding is not in use, so i connect it in open delta and want to close it by ibsertibg thermal resistor. the output of cvt is 132kv/115/sqrt3. plesae tell me exact value of resistor, so i may close it to avoid the resonance phenomenin. send me answer on this email adress please. aetcon-po@aetcon.com
Define the three phase formula fuse.
plz send me the procedure and syllabus for mseb exam
What is the drawback of class b amplifier?
what is calculation mathod/formaulla for deciding Size of busbar (Copper/ aluminum)for L.T. panel on Various Fault level like 50kA,25kA,10kA
what is cathodic protaction?
All tape of electrical questions Answers tape of motor transformer e.o.t crane
pre arcing time of ehv breaker
What will happen to the protection and metering, if the polarity of a single or two PT/PTs in three phase system is reversed? Please provide reference if any.
What is q factor?
what are safety measures in /control in diesal engine/ explain them?
Initially, when the input is not equal to the output — what type of response is this?
how balanced in star delta connection ?
What conditions are required for transformer to operate at low frequencies ?
what is the difference between switchgear and circuit breakers and is there any difference between outdoor and indoor switchgear and circuit breakers , and how would you differentiate between switch yard and substation and grid station . thanks
