84
Broken conductor check (BRC)
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Prepare the terminal for verification of settings as outlined in section “Preparing for
test” in this chapter.
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3URFHGXUH
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DQGQRWHRQW0,WKDWWKH%5&75,3ORJLFDOVLJQDOLV
HTXDOWRWKHORJLFDO
Values of the logical signals belonging to the broken conductor
check function are available under menu tree:
6HUYLFH5HSRUW)XQFWLRQV%URNHQ&RQGXFW)XQF2XWSXWV
4XLFNO\VHWWKHPHDVXUHGFXUUHQWIDXOWFXUUHQWLQRQHSKDVH
WRDERXWRIWKHVHWWLQJ,3!RSHUDWLQJFXUUHQWDQG
VZLWFKRIIWKHFXUUHQWZLWKWKHVZLWFK
Observe the maximum permitted overloading of the current cir-
cuits in the terminal.
6ZLWFKRQWKHIDXOWFXUUHQWDQGPHDVXUHWKHRSHUDWLQJWLPHRI
WKH%5&SURWHFWLRQ
Use the BRC--TRIP signal from the configured binary output to
stop the timer.
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$FWLYDWHWKH%5&%/2&.ELQDU\LQSXW
6ZLWFKRQWKHIDXOWFXUUHQWRIWKHVHWWLQJDQGZDLWORQJ
HUWKDQWKHVHWYDOXHW
No BRC--TRIP signal should appear.
6ZLWFKRIIWKHIDXOWFXUUHQW
4XLFNO\VHWWKHPHDVXUHGFXUUHQWIDXOWFXUUHQWLQVDPH
SKDVHWRDERXWRIWKHVHWWLQJRSHUDWLQJFXUUHQWDQG
VZLWFKRIIWKHFXUUHQWZLWKWKHVZLWFK
6ZLWFKRQWKHIDXOWFXUUHQWDQGZDLWORQJHUWKDQWKHVHW
YDOXH W
No BRC--TRIP signal should appear.
Содержание REL 531
Страница 16: ...10 Note signs KDSWHU 6DIHW LQIRUPDWLRQ ...
Страница 44: ...38 Checking the binary I O circuits KDSWHU KHFNLQJ WKH H WHUQDO FLUFXLWU ...
Страница 52: ...46 Checking the self supervision signals KDSWHU QHUJLVLQJ WKH WHUPLQDO ...
Страница 132: ...126 Two step time delayed phase overcurrent protection TOC2 KDSWHU 9HULI LQJ VHWWLQJV E VHFRQGDU LQMHFWLRQ ...
Страница 136: ...130 Testing the interaction of the distance protection KDSWHU 9HULI LQJ WKH LQWHUQDO FRQILJXUDWLRQ ...
Страница 140: ...134 Testing the interaction of the distance protection KDSWHU 7HVWLQJ WKH SURWHFWLRQ V VWHP ...