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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 4264what 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 11394Is it possible to import & export power through the same power transformer? what will be the vector group normally for both different or same?
1 4033I 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 3284we 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 3939whycircuit breaker is not connected at the generator end where the capacity of the generator is more say 60MW, 100MW etc.
2 6602Post New Electrical Engineering Questions
What is the high series capacitance winding on high voltage power transformer ?
Why increase in current leads to increase in conductor temperature?
how to electronic energy metter failed in electomagnectic fild passing in the metter and which thing to defect more on metter.
What is called limb of a transformer?
why we dont prefer ac voltage controller instead dimmerstat [if both have same rating] for conducting experiments in laboratories?
Could Please Explain briefly. Why used stabilizing resistance series with High impedance bus differential protection relay.
I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.
how to calculate the earth mat design in 132 kv substation yard ????
Let me know that how i calculate the alternator sub tranciant reactance and tranciant reactance.
why we use 630mm single core cable for transformer secondary side and why two neutral cable
What is the Load Capacity of Panther conductor (0.2) and dog conductor (0.2)
What does the term supermesh means?
Has someone here done a sizing for a generator (3 phase), its for a pumping station. If you have an example for standby/duty and both running (I) star delta (ii) Soft Starter.
hi, in the event earth grounding is not available in a project, is there any other way to make the elcb work? fyi, i have an instant water heater (6.5kw) installed, however if there is grounding in the heating element inside the heater assembly, i will get grounded. thank you in advance to those who will answer my question.
my b-tech percentage is 50%. what answer will satisfy the hr ?
