Explen all type electrical protection ? like
O/C,E/F,NPS,VOLTAGE UN BLANCE,CURRENT UN BALANCE,NAGETIVE
PHASE SEQ,AND ETC...............electrical Protection
Answer Posted / srinivas.v
Above all protectiongiven
through diffrencialrelay
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
1.how many earth pits are required for 1000 k.w plant include substion , transformer ? 2. how many earth pits are required for 500kva generator.what is formula to calcute?
can u give me a brief idea about power line carrier communication ??
In ACS 1000 drive we are using 12 pulse converter,why don't use 3 pulse converter.
Which type of transformer is used for lighting loads?
How To Convert Apparent Into Real Power Without Knowing Reactive Power?
why 1.7Uo for HV cable Hi pot test?IE standard why?
How many gap between finger contact in a.c.b. and v.cb.?
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.
How to calculate the phase to phase clearness of HT /// LT bus bar?????
Can anyone tell the proper diagram of star delta starter????
lenz law application and define
Why transformer used in UPS??
1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to confirm its base capacity?
we have consol make 3 phase servo stabilizer for cnc m/c. while installing the earth neutral voltage is 1.7 volts at stbilizer off condition and when stabilizer get on en voltage reaches 4.8 volts (new earthing is done and neutral is helthy condition all phase to neutral volts 440,442,441 v)why this happen.solution for cause.
does any one know where we can purchase insulation oil for high voltage oil filled cables