What is the difference between Derived earth Fault and
measured earth fault.How it works.
Answer / akshat sharma
What i think, measured E/F is what we measure directly through a Zero-sequence C.T. or core balance CT. While derived E/F is which relay calculates from 3 c.t`s i.e vector sum of R/Y/B.
| Is This Answer Correct ? | 26 Yes | 0 No |
what is busbar and its function/
The exciting current of a transformer is non sinusoidal. why?
what is the formula for AH?HOW CAN IT CALCULATE
a solenoid of inductance 250mH and resistance 10ohm is connected to a battery. the time taken for the magnetic energy to reach 1/4th of its maximum value will be?
The unit of quantity of electricity is the:(a) volt(b) coulomb(c) ohm(d) joule
For backup batteries connection,which method is best? series or parallel ?
What is 100% protection of generator? Why 100% is not used but 95% is generally used?
why did youi choose this career?
On a 3 winding transformer YNynd11, how do you apply REF protection to the Delta tertiary winding that is supplying auxiliaries to a substation?
In ht capacitor ckt we are using LBS Panel it having isolator with fuse, one of HT fuse flash over, so what is reason behind this event.
what is die electric strnth of transformer ?
A 10 MVA, 66KV, 50Hz, Y-connected 3-phase alternator has synchronous reactance of 0.635 Ù. It is working at full load at 0.8 lagging p.f. condition. Find torque angle, neglect armature resistance.
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)