ABB REL 551 2.3 Series - Page 118

112
Pole discordance protection (PD) &KDSWHU
9HULI\LQJVHWWLQJVE\VHFRQGDU\
LQMHFWLRQ
 3ROHGLVFRUGDQFHSURWHFWLRQ3'
Prepare the terminal for verification of settings as outlined in section “Preparing for
test” in this chapter.
3URFHGXUH
 $FWLYDWHWKH3'32/',6&ELQDU\LQSXWDQGPHDVXUHWKHRS
HUDWLQJWLPHRIWKH3'SURWHFWLRQ
Use the PD---TRIP signal from the configured binary output to
stop the timer.
 &RPSDUHWKHPHDVXUHGWLPHZLWKWKHVHWYDOXHW
 5HVHWWKH3'32/',6&ELQDU\LQSXW
 $FWLYDWHWKH3'323(1ELQDU\LQSXW
(This test should be performed together with AR).
 $FWLYDWHWKH3'32/',6&ELQDU\LQSXW
No PD---TRIP signal should appear.
 5HVHWERWK3'323(1DQG3'32/',6&ELQDU\LQSXWV
 $FWLYDWHWKH3'%/2&.ELQDU\LQSXW
 $FWLYDWHWKH3'32/',6&ELQDU\LQSXW
No PD---TRIP signal should appear.
 5HVHWERWK3'%/2&.DQG3'32/',6&ELQDU\LQSXWV
 &RQWLQXHWRWHVWDQRWKHUIXQFWLRQRUFRPSOHWHWKHWHVWE\VHW
WLQJWKHWHVWPRGHWRRII