Auto-Recloser Ready Conditions - NR Electric PCS-9611 Instruction Manual

Feeder relay
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[79.En]
[79.En1]
[79.Ready]
[79.Blk]
25A.Ok_SynChk
[79.En_SynChk]
25A.Ok_DdChk
[79.En_DdChk]
[79.OnLoad]
[79.Init]
[79.N_Rcls] = 1
[79.N_Rcls] = 2
[79.N_Rcls] = 3
[79.N_Rcls] = 4
Where:
"t
" (x: 1~4) is the setting [79.t_3PSx] (x: 1~4), the time setting of the auto-recloser;
ARX
[79.En] is the logic setting of the auto-recloser;
[79.N_Rcls] is the shot number of the auto-recloser;
[79.Ready] denotes that the auto-recloser is ready for operation;
[79.En1] is the binary signal for enabling the auto-recloser;
[79.Blk] is the binary signal for blocking the auto-recloser;
[79.En_SynChk] is the logic setting of the synchronism check mode of the auto-recloser;
[79.En_DdChk] is the logic setting of the dead check mode of the auto-recloser;
"25A.Ok_SynChk" is the result of the synchronism check of the auto-recloser;
"25A.Ok_DdChk" is the result of the dead check of the auto-recloser;
[79.OnLoad] denotes that anyone of the phase currents is greater than 0.04In, which can be
gotten the signal "Prot.OnLoad" through the PCS-Explorer;
[79.Init] is the auto-recloser initiation signal which can be configured through the
PCS-Explorer.

3.17.2 Auto-recloser Ready Conditions

When the auto-recloser is enabled, and if all the following cases are ready in normal operation
situation, the auto-recloser will be in service automatically after the predefined time setting.
PCS-9611 Feeder Relay
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Figure 3.17-3 Logic diagram of the auto-recloser
Date: 2014-04-08
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t
0
AR1
[79.Close_3PS1]
t
0
AR2
[79.Close_3PS2]
t
0
AR3
[79.Close_3PS3]
t
0
AR4
[79.Close_3PS4]
3 Operation Theory
[79.Inprog]
3-57

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