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if we going for high voltage usages what are the considering factors, why those factors are effected.... please give me an answer related motor factors like wnidnig, frame, temp etc
ABB,
1 2550we done magnetic balance test for 33KV /440V transformer in our company , but the ratio out is confusing us Voltage applied in RY = 440 , at RB = 320 and YB = 60 RY 440 = ( RB + YB ) 380 only Please let me know what type of problem is it.
2 5489Either the Armoured Earthing strip of HT 3 core cable have to pass through CB CT or not , why ???
2137what does vector group Dyn11 tell us? also tell me how will u differentiate between phase lead and phase lag thru this vector group
2136FOR 16/20 MVA 132/33 KV ONAN/ONAF TYPE TRANSFORMER IT IS DESIGNED FOR 16 MVA WITH ONAN CONDITION.IT BECOMES 20 MVA UNDER ONAF CONDITION.LOAD LOSS IS GUARANTEED FOR 65KW AT 20 MVA AND % IMPEDANCE 13.75. PLEASE TELL US AT WHAT LOAD LOSS AND % IMPEDANCE IT SHOULD BE DESIGNED FOR 16 MVA AND WHAT WILL BE ITS EFFICIENCY AT 20 MVA?
3460How do we calculate the resistance per metre of single core aluminium stranded cable 19*3.25mm sheathed in pvc,at 15 deg C temperature?
2465Post New Electrical Engineering Questions
What happens to a line-frequency of high-frequency transformer when it is first energized/ re-energize?
Can anyone provide with a SLD for HT panel installation for a 33KV line and distribution end has three 1.5MV transformers. Is it suitable to use OCB or VCB and also provide me the suitable rating and its connection diagram.
Swg formulae
In the formula : Knee point voltage = Burden X alf / class, Please inform what is alf? regards Shashidhar M.R.
What is ideal IR values for ground and neutral.
how to get bearing & winding temperature of an induction motor?
can i use the six sigma method which is used in management area, in state estimation of power systems?
I want single line diagram for AMF & DG syncronizing panel
What is the formula to calculate the rating of a three phase miniature circuit breaker
What is the effect on power factor, shown by a trivector meter; incase of reverse phase sequence. If the power factor of a system is lag what meter will show in case of reverse phase sequence connected to the meter. and What in case of lead.
if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)
Which capacitor is preferred for high voltage and frequency?
What are the advantages of nichols chart?
how the B-H loop obtain under the static condition
what is the star delta connetion and how can do it a three phase motor with control witing with picture
