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we all know that in transformer, voltage and current are inversely related i.e. Vp/Vs= Is/Ip....so in standard CT..we have a ratio of 200/5...that means our voltage should increase by ratio of 40..althoug that is not the case...because that requires high insulation level.and pratically not feasible......can anybody clarify my ques.......thanx
2 4376what is the Excaste meaning of CT Saturation?? 10 P 20, 15 VA, what is the meaning of 10, & 20. if the CT polarrity changed what will happened?? what is the differece between measuring CT & Protection CT?? what is the Saturation Point of measuring CT & Protection CT??
1 11475Is it possible to import & export power through the same power transformer? what will be the vector group normally for both different or same?
1 4147I have 2 KW electric water heater.I am gonna use it in controlling water temp.so I needed to increase or decrease the heating capacity.is there any electrical-electronic circuit for varying the resistance & so current?
1 3362we have 400kv/6.6kv transformer ,it has total 9 taps on HV side with normal tap on tap no 5.when we took the ratio test we observed that ratio was decreasing from tap 1 to tap 5 and was found increasing from tap 5 to tap 9.What is the reason?if anyone have related document then please send me on the email id ankushbahale@gmail.com......plz plz
1 4022whycircuit breaker is not connected at the generator end where the capacity of the generator is more say 60MW, 100MW etc.
2 6702Post New Electrical Engineering Questions
Make a list observation on Transformer?
Explain what is clipper and clamper circuits?
how does the thyistor work in dc drive?
why we have and use 3 phase not 2 or 4 or other in power system?
what is the concept of directional power?
how can i use REF and diffrencial relay both in 1 CT core for transformer protection?
What Is HO factor in power selection
If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??
what is cause of static electricity? I experience shock when i touch metal equipment in a room ,furher check shows earth leakage showing 80ma at the DB near to the 400 MCCB?
Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?
WHAT IS DEAD END IN PROTECTION?
hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible
Transformer diagram mention each parts ?
In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?
What is the permissable nutral current of three phase system as per IS standards?
