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AI830A热电偶输入模块
两个信号输出“启动SOTF”和“跳闸SOTF”，与切换到故障逻辑相关“启动SOTF”用于阻止自动重合闸功能和“跳闸SOTF”信号跳闸是切换到故障逻辑的结果。
SOTF 10秒参数“SOTF10sec”确定在以下情况下是否启用欠压功能和二进制输入“截止日期”
10秒（“开启”）或仅200毫秒（“关闭”）后“off”表示切换快速自动重合闸（快速或）后发生故障。绊倒因此，案例仅基于启动者的决定。t1EvolFaults
参数“t1EvolFaults”的设置决定了时间在此期间，一旦检测到正在发展的故障，就会导致三相跳闸。
3.5.31.8.动力摆动闭锁（见第4.8.6节。）
只有参数“tPSblbock”表示保持功率摆动阻断信号时，必须在“电源摆动阻断”子菜单。设置范围为0
以0.01的步长设置为10秒。最迟在这一次的结束。
当“tPSblock”为设置为零或逻辑“1”应用于二进制输入“Ext Blk”PSB’。
3.5.31.9.c.t.和v.t.输入的分配
（见第5.5.4.1节。）分配c.t.和v.t.信道的参数被分组在“模拟（CT/VT通道）”子菜单中。
ABB瑞士有限公司二进制输入分配（见第5.5.4.4节。）
用于分配二进制输入的参数分组在“二进制输入”子菜单。
所有二进制输入可分配给外部信号或其他功能的输出。ChgMeasDir
向该输入端施加信号会反转整个距离保护功能（所有区域）的测量方向。外部大楼区
该输入阻止整个距离保护功能。通过“Dist blocked”发出阻塞信号，12秒后通过
“DelDistBlk”。仅备用过电流保护（I/O/C）然后保持活动。
Two signalling outputs ‘Start SOTF’ and ‘Trip SOTF’ are associated with the switch-onto-fault logic. ‘Start SOTF’ is intended for
blocking the auto-reclosure function and ‘Trip SOTF’ signals that
tripping took place as a result of the switch-onto-fault logic.
SOTF 10 sec
The parameter ‘SOTF10sec’ determines whether the undervoltage function and the binary input ‘Deadline’ are enabled after
10 s (‘on’) or after just 200 ms (‘off’). ‘off’ indicates switching
onto a fault after fast auto-reclosure (Fast OR). Tripping in this
case is thus based on the decisions of the starters alone.
t1EvolFaults
The setting of the parameter ‘t1EvolFaults’ determines the time
during which an evolving fault once detected results in a threephase trip.
3.5.31.8. Power-swing blocking
(see Section 4.8.6.)
Only the parameter ‘tPSblbock’ for the time during which the
power-swing blocking signal is maintained has to be set in the
‘POWER-SWING BLOCKING’ sub-menu. The setting range is 0
to 10 s in steps of 0.01. Tripping is enabled again at the latest at
the end of this time.
The power-swing blocking function is disabled when ‘tPSblock’ is
set to zero or a logical ‘1’ is applied to the binary input ‘Ext Blk
PSB’.
3.5.31.9. Allocation of c.t. and v.t. inputs
(see Section 5.5.4.1.)
The parameters for allocating c.t. and v.t. channels are grouped
in the ‘ANALOGUE (CT/VT CHANNELS’ sub-menu.
ABB Switzerland LtAllocation of binary inputs
(see Section 5.5.4.4.)
The parameters for allocating binary inputs are grouped in the
‘BINARY INPUTS’ sub-menu.
All binary inputs can be allocated to external signals or the outputs of other functions.
ChgMeasDir
Applying a signal to this input reverses the direction of measurement for the entire distance protection function (all zones).
Ext Blk Dist
This input blocks the entire distance protection function.
Blocking is signalled by “Dist blocked” and after 12 s by
“DelDistBlk”. Only the back-up overcurrent protection (I O/C)
then remains active.
