what will happen if the secondary of current transformer
kept open....
Answer Posted / ashok
First thing would be explosion of CT. Because of high
voltage generation, it will damage connected metering or
protection relays also.
| Is This Answer Correct ? | 6 Yes | 5 No |
Post New Answer View All Answers
Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?
I am designing new project sub station with 220 kV / 11 kV, 40 MVA capacity. This project have many recifier sets, which can generate 3rd harmonics. Now I have to select vector group of This transformer. To minimise 3rd harmonics, what care should I take in selection of Transformer Vecrtor group? If it is Y-Y with open Delta tertiary then what should be the rating & voltage of Tertiary Winding?
how you configure motorvision relay (L&T make)from DCS
What is the angle of inclination for the oil connection from transformer conservator to Bucholz relay and why?
working principle of AC Servo Motor with its construction
sir, Is their any measuring unit of knoking? please explian?
.php|
What is EMC filter in VVVF Drive ?
For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?
if we have a industrial load of 400 kilowatts with 415 volt AC then how much total harmonic distortion (thd%) should be acceptable for steady power system.
which of the following elements is not present in stainless steel
Minimum IR value of 1.1 kv grade 3.5c (300, 240,185,150,120,95,70,50,35,25) sqmm Aluminium XLPE cable and 4c (16, 10,6 & 4) sqmm cu arm cable between RY,YB,BR,RN,YN,BN,RE,YE,BE & NE.
1.What will be stored in online ups EPROM IC?
What is principle of Floroscent tube 36watt.
1 hp is equal to how much watt?