HOW TO IDENTIFY THE RELAYS WHICH APPLICATION IN WHICH RELAY
USING
Answers were Sorted based on User's Feedback
Answer / r
for transmission lines - impedance , reactance and
diffrential,over current relays are used
transformer- buchoz relay,diffrential relay,over current
etc are used
for finding internal faults - diffrential relays are used
| Is This Answer Correct ? | 16 Yes | 1 No |
Answer / rasi
NO#1 IS CORRECT.BUT ALSO,OVER CURRENT&EARTH FAULT
PROTECTION ARE USING ALL RELAYS(TRAFO,FEEDER,ETC).AND REF
PROTECTION USING IN TRANSFORMER
| Is This Answer Correct ? | 3 Yes | 1 No |
In EHV transmission line a neutral grounding reactor is often placed at neutral point of shunt reactors. What is the recommended protection for this neutral grounding reactor? Should I use a fast closing switch to bypass neutral grounding reactor when this protection operates?
AC 230V BULB GIVING DC SUPPLY WHAT HAPPENS?
Salient pole alternator is more stable, why?
Pl. share your experience about industrial-electronics repair of machine tool.
Why do we need a separate control desk & PLC control panel in Boiler plant or coal handling plant? Can we provide cost effective Control desk cum PLC panel. Is there is an specific need for control desk.. kindly advice.
Sir, I have applied for the of Assistant.engineer of NPDCL. please send me all AP TRANSCO AND JENCO solved papers of previous exams . I requested send me the papers to my id as soon as possible (rajanikanth_peddi@yahoo.co.in) (This is very urgent) Thank You,
How do ACB are maintenance, what are the problem occurred in ACB
Write down the name of 2 lady Bir Pratin of Bangladesh
what are the safety in transformer,diesel generator,ups, chiller plant,h.t. , L.t. , sewage treatment plant(stp),water treatment plant(wtp), fire. plz ans. me in detail if you know any of the mention above. i urgently need
2 Answers Claris Lifesciences, EFS,
What will happen when we connect 2 bulbs in series between 2 phases
WHY THE RATINGS OF TRASNFORMER IS IN KVA?
An impedance of 100 ohms resistance and an unknown inductance is connected across the capacitor. The resulting impedance is a pure resistance of 500 ohms ifω = 10^5 rad/sec. calculate the values of inductor and capacitor.
Civil Engineering (5086)
Mechanical Engineering (4453)
Electrical Engineering (16638)
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)