which relay is used on long transmission lines

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Question Posted / arshad.dullah

10 Answers
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ABB, Bhel, Student, Tata Steel Limited, I also Faced
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which relay is used on long transmission lines..

Answer / arshad.dullah

mhos relay

Is This Answer Correct ?

88 Yes

8 No

which relay is used on long transmission lines..

Answer / k.prakashchandra

mho relay is also a distance relay.In addition to this EM
OCR and EFR are provided as back up protection and for over
current protection for conductors

Is This Answer Correct ?

24 Yes

4 No

which relay is used on long transmission lines..

Answer / vinay kumar

Mho relay is usually used for the protection of long
transmission lines as its operation is not affected by
power swings.

Is This Answer Correct ?

13 Yes

4 No

which relay is used on long transmission lines..

Answer / r. gunasekaran

Distance Relay

Is This Answer Correct ?

11 Yes

3 No

which relay is used on long transmission lines..

Answer / kuldeep

distance relay and carrier current protection

Is This Answer Correct ?

4 Yes

0 No

which relay is used on long transmission lines..

Answer / tahir

Distance Protection Relay

Is This Answer Correct ?

18 Yes

15 No

which relay is used on long transmission lines..

Answer / nagaraju n

in an long tranmission line protection purposes different
company make relays using.

NAME OF REALAY MAKE USING

REB-500 (ABB) BUSBAR PROTECTION

REL-670 " DISTENCC PROTECTION

RET-670 " LINE REACTOR PROTECTION

7SA522(SIPROTEC) ( SIMENS) DISTENCC PROTECTION

MICOM-P441
OHMEGA
REZ
SEL-321
T-60...etc

this relays are usinglong transmission lines protection
purposes...