&23<5,*+7
:(5(6(59($//5,*+76727+,6'2&80(17(9(1,17+((9(177+$7$3$7(17,6
,668('$1'$',))(5(17&200(5&,$/35235,(7$5<5,*+7,65(*,67(5(',03523(5
86(,13$57,&8/$55(352'8&7,21$1'',66(0,1$7,21727+,5'3$57,(6,6127
3(50,77('
7+,6'2&80(17+$6%((1&$5()8//<&+(&.(',)7+(86(51(9(57+(/(66'(7(&76
$1<(55256+(,6$6.('72127,)<86$66221$63266,%/(
7+('$7$&217$,1(',17+,60$18$/,6,17(1'('62/(/<)257+(&21&(3725
352'8&7'(6&5,37,21$1',612772%('((0('72%($67$7(0(172)*8$5$1
7(('3523(57,(6,17+(,17(5(6762)285&86720(56:(&2167$17/<6((.72
(1685(7+$7285352'8&76$5('(9(/23('727+(/$7(677(&+12/2*,&$/67$1
'$5'6$6$5(68/7,7,63266,%/(7+$77+(5(0$<%(620(',))(5(1&(6%(7:((1
7+(+:6:352'8&7$1'7+,6,1)250$7,21352'8&7
0DQXIDFWXUHU
ABB Automation Technology Products AB
Substation Automation
SE-721 59 Västerås
Sweden
Telephone: +46 (0) 21 34 20 00
Facsimile: +46 (0) 21 14 69 18
Internet: www.abb.com/substationautomation
Summary of Contents for REL 551 2.3 Series
Page 16: ...10 Note signs KDSWHU 6DIHW LQIRUPDWLRQ ...
Page 44: ...38 Checking the binary I O circuits KDSWHU KHFNLQJ WKH H WHUQDO FLUFXLWU ...
Page 52: ...46 Checking the self supervision signals KDSWHU QHUJLVLQJ WKH WHUPLQDO ...
Page 140: ...134 Testing the interaction of the distance protection KDSWHU 7HVWLQJ WKH SURWHFWLRQ V VWHP ...