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WES5302-111燃機輸入卡件
帶檢查的斷電線路“死線”（“死線2”）
同步“synchroChck”（“synchroChck2”）在發(fā)出“關(guān)閉CB”（或“關(guān)閉CB2”）指令之前，“死線”或“同步”I/P（或“死線2”或雙工方案中的“synchroChck2”必須位于邏輯“1”。
邏輯：[（“同步”和“CO就緒”）或“死線”或“ExtSCBypas”]
邏輯：[（'synchroChck2'和'CO ready 2'）或'Dead Line 2'或“ExtSCBypas”]
外部阻塞“ExtBlkAR”和“CondBlkAR”重合閘功能始終由激活的“ExtBlkAR”閉鎖I/P。
激活的“CondBlkAR”I/P僅會阻止該功能，前提是重合閘循環(huán)未運行（即“AR in prog.”信號處于邏輯“0”）。第二個。
需要Blk AR’信號來防止重合閘循環(huán)
在“t”期間發(fā)生的首次跳閘不需要重合閘時歌劇院。例如，開關(guān)故障（SOTF）保護或定向E/F保護通過PLC。為防止軟啟動自動重合閘，距離
保護“軟啟動”信號必須連接到“CondBlkAR”輸入。“手動關(guān)閉”
重合閘功能立即被閉鎖（用于閉鎖時間“t AR塊”）通過“手動關(guān)閉”信號。這個信號也是
超范圍邏輯需要將“ZExtension”信號切換為“on”。外部同步檢查旁路信號“ExtSCBypas”
該I/P提供了繞過“同步”和啟用I/P的“CO就緒”（或用于CB2的“同步CHCK2”和“CO就緒2”）。
它僅在第一次快速三相或單相重合閘嘗試時激活。
死區(qū)時間“延長t1”的外部延長
“擴展t1”I/P處的邏輯“1”擴展死區(qū)時間“t Dead1”
第一次通過設(shè)置“t Dead1 Ext”設(shè)置“1P”和“t dead 1 3P”（快速）重合閘嘗試。這可能是必要的，例如通信信道故障或冗余閉合CB和信號輸出時
最重要的自動重合閘輸出是“閉合CB”必須分配給重型輔助O/P的命令轉(zhuǎn)發(fā)提供了該和14個其他重型和信號O/P。
De-energised line ‘Dead Line’ (‘Dead Line 2’) with checking
of synchronism ‘synchroChck’ (‘synchroChck2’)
Before the ‘Close CB’ (or ‘Close CB2’) instruction can be issued,
either the ‘Dead line’ or the ‘synchroChck’ I/P (or ‘Dead line 2’ or
‘synchroChck2’ in a duplex scheme) must be at logical ‘1’.
Logic: [(‘synchroChck’ AND ‘CO ready’) OR ‘Dead Line’ OR
‘ExtSCBypas']
Logic: [(‘synchroChck2’ AND ‘CO ready 2’) OR ‘Dead Line 2’ OR
‘ExtSCBypas']
External blocking ‘ExtBlkAR’ and ‘CondBlkAR'
The reclosure function is always blocked by an active ‘ExtBlkAR’
I/P.
An active ‘CondBlkAR’ I/P will only block the function, providing
a reclosure cycle is not running (i.e. the ‘AR in prog.’ signal is at
logical ‘0’).
The ‘Cond.Blk AR’ signal is needed to prevent a reclosure cycle,
when no reclosure is wanted for a first trip that occurs during ‘t
Oper’. This is the case, for example, for trips by the switch-ontofault (SOTF) protection or by a directional E/F protection via
PLC.To prevent the SOFT from initiating auto-reclosure, the distance
protection ‘SOFT start’ signal must be connected to the
‘CondBlkAR’ input.
'Manual close'
The reclosure function is immediately blocked (for the blocking
time ‘t AR Block’) by a ‘Manual close’ signal. This signal is also
needed for the overreaching logic to switch the ‘ZExtension’ signal to ‘on’.
External synchrocheck bypass signal ‘ExtSCBypas'
This I/P provides facility for bypassing the ‘synchroChck’ and
‘CO Ready’ (or SynchroChck2’ and ‘CO Ready 2’ for CB2) enabling I/P’s.
It is only active for the first fast three-phase or single-phase reclosure attempt.
External extension of the dead time ‘Extend t1'
A logical ‘1’ at the ‘Extend t1’ I/P extends the dead times ‘t Dead1
1P’ and ‘t Dead1 3P’ by the setting ‘t Dead1 Ext’ for the first
(fast) reclosure attempt. This could be necessary, for example, in
the event of a communication channel failure or in a redundant Close CB and signalling outputs
The most important auto-reclosure output is the ‘Close CB’
command which must be assigned to a heavy-duty auxiliary O/P
relay. This and 14 other heavy-duty and signalling O/P’s are provided.
