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WES5302数字量输入卡
断路器就绪信号:“CB就绪”和“CO就绪”(“CB2就绪”和“CO就绪2”)
参数“CO就绪”和“CB就绪”(或“CO”)的I/P双工方案中的“准备就绪2”和“CB2准备就绪”)必须连接到断路器,以便发出信号表明它们准备执行完整的重合闸循环。如果如果未使用I/P,则必须将其设置为“真”。激活的“CB就绪”信号通知自动重合闸功能允许重合闸(即有足够的能量用于完全打开/关闭/打开循环)。
一旦重合闸循环开始,该信号将被忽略(因为在空气冲击的重合闸循环期间压力变化断路器)。
该信号的复位在内部延迟100ms。
“CO就绪”信号(可执行关闭-打开循环)为仅在重合闸循环期间有效,即在死区时间期间有效。
如果没有足够的能量打开断路器关闭后,关闭信号再次被禁用,并出现“Def”。
生成跳闸(最终跳闸)。
该I/P仅与断路器一起使用,断路器提供相应的信息(C-O查询),例如具有两个开关能量的弹簧充电和空气冲击断路器水平。断路器断开“CB断开”(“CB2断开”)
还必须包括断路器的初始状态,以防止断路器接收到闭合信号,这是故障发生前已打开。
二进制I/P“CB open”(双工方案中的“CB2 open”)为从而提供用于确定断路器的初始状态。
这些信号的拾取延迟100ms,以防止快速断路器的意外阻塞。
“启动”信号之前已经打开的断路器
自动重合闸功能未关闭接收到的(“逻辑“1”处的断路器打开”)。
如果断路器不提供必要的信息(“断路器断开”信号),则I/P必须永久设置为“关闭”(“F”或“False”)。假设方案也不是双工的方案(即只有一个CB),二进制i/P“CB2打开”也必须永久设置为“on”(“T”或“True”)。因此,这些是“CB open”的默认设置“CB2开放”。
然后,自动重合闸功能可以在没有“断路器断开”信号和无多余闭合的情况下使用单个断路器运行为不存在的CB2生成信号。
Circuit-breaker ready signals: ‘CB ready’ and ‘CO Ready’
(‘CB2 ready’ and ‘CO Ready 2’)
The I/P’s for the parameters ‘CO Ready’ and ‘CB ready’ (or ‘CO
Ready 2’ and ‘CB2 ready’ in a duplex scheme) must be connected to the circuit-breakers in order to signal that they are
ready to perform a complete reclosure cycle. In cases where one
of the I/P’s is not used, it must be set to ‘TRUE’.
An active ‘CB ready’ signal informs the auto-reclosure function
that reclosure is permissible (i.e. sufficient energy is available for
a full open/close/open cycle).
Once a reclosure cycle has started, this signal is ignored (because the pressure varies during a reclosure cycle of an air-blast
breaker).
Resetting of this signal is internally delayed by 100 ms.
The ‘CO Ready’ signal (close-open cycle can be carried out) is
only effective during a reclosure cycle, i.e. during the dead time.
Should there be insufficient energy to open the circuit-breaker
again following closure, the close signal is disabled and a ‘Def.
Trip’ (definitive trip) is generated.
This I/P is only used in conjunction with circuit-breakers, which
provide the corresponding information (C-O query), e.g. springcharged and air-blast circuit-breakers with two switching energy
levels.Circuit-breaker open ‘CB open’ (‘CB2 open’)
It is also necessary to include the initial status of the circuitbreakers to prevent one from receiving a close signal, which was
already open before the fault occurred.
The binary I/P ‘CB open’ (and ‘CB2 open’ in a duplex scheme) is
thus provided to determine the initial status of a circuit-breaker.
The pick-up of these signals is delayed by 100 ms to prevent any
unwanted blocking of fast circuit-breakers.
A circuit-breaker which was already open before the ‘Start’ signal
was received (‘CB open’ at logical ‘1’) is not closed by the autoreclosure function.
Where a circuit-breaker does not provide the necessary information (‘CB open’ signal), the I/P must be permanently set to
‘off’ (‘F’ or ‘False’). Providing the scheme is also not a duplex
scheme (i.e. only one CB), the binary I/P ‘CB2 open’ must also
be permanently set to ‘on’ (‘T’ or ‘True’).
Accordingly, these are the default settings for ‘CB open’ and
‘CB2 open’.
The auto-reclosure function can then operate with a single circuit-breaker without a ‘CB open’ signal and no superfluous close
signal is generated for the non-existing CB2.