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We have three 33kv substations. All of them energised by same source.When i am checking the phase sequence between one substation to other substation (like R Phase to R Phase) by multimeter i am getting some voltage.Near to LT panels UPS panels are there. Can u explain whether any possible to happen like that. In Phase SEquencemeter is showing correctly in both substations. How is it happen. Explain me.Explain me communication signal will produce Phase difference on this case.
3 6052is starting current of induction is high or stating current of ransformor is hign ,for the same rating
BARC,
12 16107could i arrange a faulty and healthey battery bank togather in parallel , if your ans is not then why?
3 5566could i arrange a faulty and healthey battery bank togather in parallel , if your ans is not then why?
3 5484what is phase angle ? and also tells me why my phase-phase voltages are 390 rather then my single phase voltages are 221 and 223 respectivly?
2 4553why we +ve load distribution in 24v and -ve load distribution in 48volt in the telecom sector.?
2 4711in ONAN type transformer winding temperature is lower than oil temperature at evening time but morning winding temp is higher than oil temp what is the reason?
2 67961]how the voltages and frequency are achieved on ships. 2]how does the line and phase voltages are related on ships.
3 4572Post New Electrical Engineering Questions
What happen when change order of CT in GIS feeder?
If breaker is undefined position, first step to do.
what happens to the supply voltage if there is any change in frequency?
Give some differences between open loop and closed loop control systems.
What is servo lock in CNC how they work and if any parameter for them in CNC machine
what is the minimum voltage require to injure our body?
what are the applications of TIG welding
How to work meggar?
Dear all, how we select the cable size according to current with or without including different correction factor , is there any direct method for sizing of cable...
what's the difference between abs/inc encoders. apart from the position remembrance what are all the other differences. and what's mean by grey code.
there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit
The knee point of a current transformer is normally unique and known.So why in the nameplate of a CT they put the minimum value like this Vk> 400v.
In power transmission using open belts or horizontal shafts it is preferable to have the slack side of the belt on the top because
Can we put 3 layers of cable tray while installing tray
while doing high voltage test on 11kv/433 distribution transformer why we only give 28 kv on hv side and 3kv on lv side for power transformers what is the value what factors it depends
