how did the differential relay work to protect the power
transformer
Answer Posted / harish kumar
Differential relay will operate with differential current between phase and neautral of the generator. it is operated with CT CONNECTIONS
Is This Answer Correct ? | 2 Yes | 7 No |
Post New Answer View All Answers
surge tank, hrc fuse, earthing transformer, firm power objective type
Control wiring of a dol starter for forward and backward
In parallel operation time both NGR’s close or not close if both close what will happen
How to calculate the fuel consumption for 600kva DG genset which connecting with 25%load?
how can calculation ate Amps for cabel. Ex-for 1sqmm wire hou many amps we can draw
what are the possible reaons & remedies if resistance of NGR getting heat up
In single phase capacitor motor, if the motor rotate reverse direction then how much power will be consumed by the motor and why?
What is meant by a stray loss of a induction motor??? What is the equation to find it
WHat is the requirement of installing FAST ACTING EARTH SWITCH in GIS and how is that integrated with protection system. How and when does it operate?
What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?
HELLO EVERYONE, I RECENTLY HAVE FOUND ONE PROBLEM, I WAS TAKING NO LOAD TRIAL OF AN HT MOTOR 920 MOTOR , 1440 RPM , 6.6 KV, WITH AUTO TRANSFORMER. AT 450 V, LOAD WAS 40 AMP AND SPEED WAS 250 RPM. BUT AS WE INCREASE VOLTAGE FROM 450 TO 480V, LOAD BECOME 41 AND SPEED REDUCED TO SOME RPM . SO WHICH PHENOMENON ACTED HERE FOR REDUCING SPEED.?? AND IS IT HAPPENING ALWAYS OR IT IS RARE? I ALSO HAVE FACED SUCH PROBLEM WITH FEW LT MOTOR ALSO.
hey guys help me out.....what are the industrial uses/functions of nozzles in industries
HOW TO TEST A LIGHTENING ARREST ER ?
how to select the mpcbs and contactor for 3 phase 30 hp star delta motors.for plc control.and tell me the calaculation for future use.
How does an induction motor start?