86
Communication channel test logic
(CCHT)
&KDSWHU
9HULI\LQJVHWWLQJVE\VHFRQGDU\
LQMHFWLRQ
&RPPXQLFDWLRQFKDQQHOWHVWORJLF&&+7
Prepare the terminal for verification of settings as outlined in section “Preparing for
test” in this chapter.
7HVWLQJWKHORJLF
6HWDOOWKHWLPHUVDFFRUGLQJWRWKHUHFRPPHQGDWLRQV
$FWLYDWHWKH&&+7&5ELQDU\LQSXW
0HDVXUHWKH&&+7&6ELQDU\RXWSXW
A pulse should appear “tCS”.
$FWLYDWHWKH&&+767$57DQGZDLWORQJHUWKDQ³W:DLW´
The CCHT--ALARM should appear.
$FWLYDWHWKH&&+75(6(7WRUHVHWWKHDODUP
:KHQWKHFRPPXQLFDWLRQFKDQQHOLVFRQQHFWHGDFWLYDWHWKH
&&+767$57DQGZDLWIRUWKHVLJQDOWRFRPHEDFN
The CCHT--CHOK should appear.
&RQWLQXHWRWHVWDQRWKHUIXQFWLRQRUFRPSOHWHWKHWHVWE\VHW
WLQJWKHWHVWPRGHWRRII
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 ...