what is the voltage level which is used in transformer short circuit test
I have 2 transformers in two different plants, both are without OLTC but i am facing problem of voltage fluctuation at LV side from only one transformer. i have to change its taps manually twice in a day. Another transformer delivering voltage is ok. Please guide me about the problem
WHAT IS THE SETTING OF OVERLOAD RELAY AND UNDER VOLTAGE RELAY IN PERCENTAGE?
Transformer Specification say 66/11KV, 23/27/35MVA OFDAN,what is OFDAN? we know ONAN,ONAF or OFAF
WHY WE ARE DOING THE EARTHING IN A SYSTEM. SOME PEOPLE ARE TELLING FOR PROTECTION. WHAT PROTECTION GIVE ME THE CORRECT ANSWER.
How do you change an AC motor to DC? why there is only 50 Hz frequency in india & not other?
How to select a transformer group to connect a 0,433 KV generation with 33 KV grid in bi directional flow of current
why Power transmssion voltages are as 11kV,33kV,66kV,220kV and so on only?
a 3 phase slip ring induction motor is wound for 4 poles on stator and 6 poles on rotor; when 3 phase balanced voltage source at 50 hz is applied to motor it will run at a)1500rpm b)1000rpm c)750 rpm d)zero rpm
13 Answers Essar, PSPCL, PSTCL,
When we use 3 terminal resistor?
how the 6.6KV motor can be used with 11KV?
what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?
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