CN1639649A - 用于有条件触发的系统数据捕获的方法和系统 - Google Patents
用于有条件触发的系统数据捕获的方法和系统 Download PDFInfo
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- CN1639649A CN1639649A CNA038046008A CN03804600A CN1639649A CN 1639649 A CN1639649 A CN 1639649A CN A038046008 A CNA038046008 A CN A038046008A CN 03804600 A CN03804600 A CN 03804600A CN 1639649 A CN1639649 A CN 1639649A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
- G06F1/12—Synchronisation of different clock signals provided by a plurality of clock generators
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/05—Digital input using the sampling of an analogue quantity at regular intervals of time, input from a/d converter or output to d/a converter
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- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
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- H02H3/006—Calibration or setting of parameters
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- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
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- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/263—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of measured values
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Abstract
提供一种用于收集配电系统数据的方法和装置。该方法包括将多个节点电子单元(20)通信连接到数字网络(22)上,将至少一个中央控制处理单元(CCPU)(24)通信连接到该数字网络(22)上,执行包括数据捕获缓冲器和第二缓冲器的数据捕获,以及响应跳闸事件激活数据捕获模块。该装置包括多个节点电子单元(20),至少一个中央控制处理单元(CCPU)(24),以及在至少一个CCPU(24)上运行的数据捕获软件模块,其中该模块构造成收集数据在捕获缓冲器和第二缓冲器中,并且该模块构造成响应跳闸事件进行激活。
Description
技术领域
本发明一般来说涉及电气开关装置,并且更具体地涉及一种用于保护、监测以及控制电气开关装置的方法和装置。
背景技术
在工业配电系统中,将发电公司生产的电力供给工业或商业企业,其中将电力分配给工业或商业企业的各种设备,如,电动机,焊接机,计算机,加热器,照明设备,以及其他电气设备。至少某些已知的配电系统包括开关装置,该开关装置有助于将电力分成支路,这些支路提供电力给工业企业的各个部分。在每个支路中提供断路器,从而有助于保护支路中的设备。另外,因为对特殊负载可进行通电或断电而不影响其他负载,因此每个支路中的断路器可有助于减小设备故障,从而增加效率及减小操作和制造成本。尽管所使用的开关动作更加复杂,但类似的开关装置也可用在电业传输系统及多个配电变电所中。
除配电系统元件以外,开关装置一般包括提供配电系统元件的保护、监测和控制的多个设备。例如,至少某些已知的配电系统包括监测配电系统性能的监测设备、控制配电系统运行的控制设备以及当保护设备激活时启动保护响应的保护设备。
此外,至少某些已知的配电系统包括监测和控制系统,监测和控制系统与保护系统独立运行。至少某些已知的配电系统包括能启动用于一部分配电系统的切断指令的保护系统,该指令不由监测系统记录。例如,保护设备可基于其本身的限定条件切断配电系统的一部分,并且监测设备不记录该事件。监测系统没有记录系统切断可使操作者认为在配电系统内未发生过电流情况,并且因而操作者不启动恰当的校正行为。另外,保护设备,即,断路器,可因为配电系统中的过电流情况打开,并且控制系统可将该过电流情况解释成电源的电能损耗而不是故障情形。而且,控制逻辑可企图将故障电路连接到可替换电源上,因此恢复过电流情况,或者控制逻辑可接收保护设备由于过电流情形已经打开的信息并且试图从无效电路提供电能给负载。
因此,至少一个已知的系统包括数据捕获系统,该数据捕获系统构造成捕获电流和/或电压波形。该数据捕获系统包括专用的硬件和布线。多个设备以及与这些设备相连的互连布线的使用可使得设备尺寸增加,设备布线复杂性增加,需安装的设备的数量增加,以及使用这些设备可能出现的操作故障增加。另外,不存在触发事件周围,即之前或之后,对于系统中的所有断路器捕获系统数据和状态的实用的、低成本的方式,该触发事件如故障和警报。
发明内容
在一方面,提供一种用于收集配电系统数据的方法。该方法包括将多个节点电子单元通信连接到数字网络上,将至少一个中央控制处理单元(CCPU)通信连接到该数字网络上,执行在至少一个CCPU上运行的数据捕获软件模块,以及响应触发事件启动该数据捕获模块,其中该模块包括数据捕获缓冲器和第二缓冲器。
在另一方面,提供一种用于收集配电系统数据的装置。该装置包括通信连接到网络上的多个节点电子单元,通信连接到该网络上的至少一个中央控制处理单元(CCPU)以及在至少一个CCPU上运行的数据捕获软件模块,其中该模块包括数据捕获缓冲器以及第二缓冲器,其中该模块构造成收集在数据捕获缓冲器和第二缓冲器中的数据,并且该模块构造成响应触发事件进行启动。
仍然在另一方面,提供一种用于收集配电系统数据的装置。该装置包括通信连接到数字网络上的多个节点电子单元,通信连接到该数字网络上的至少一个CCPU,以及在至少一个CCPU上运行的数据捕获软件模块,其中该模块构造成收集来自节点电子单元和CCPU的数据,并且该模块构造成响应触发事件而启动。该模块包括内部数据管理(DM)模块,数据显现、输出以及处理(DVEP)模块。DM包括至少两个循环缓冲器,该至少两个循环缓冲器包括数据捕获缓冲器和第二缓冲器,每个缓冲器包括预定收集间隔,在该预定收集间隔中DM构造成确定捕获间隔长度,在事件触发接收到后冻结数据捕获缓冲器一个捕获间隔时间段,存储捕获缓冲器的内容到一个文件,以及将该文件转移给DVEP。DVEP构造成确定启动所述事件触发的参数,以及基于预定格式自动显示该参数。
附图说明
图1示出了例如由工业或商业企业使用的配电系统的代表性示意图。
图2是与图1的配电系统一起使用的节点配电系统的代表性示意图。
图3是CCPU24的代表性示意图,CCPU24可与图1所示的配电系统一起使用。
图4是单个节点电子单元的代表性示意图,该单个节点电子单元可与图1所示的配电系统一起使用。
图5是与图1的配电系统一起使用的断路器的代表性示意图。
图6是与图1所示的配电系统一起使用的代表性数据捕获系统的示意图。
图7是图6所示的数据管理模块的一部分的示意框图。
图8是示出由图6所示的数据捕获系统使用的代表性处理的流程图。
具体实施方式
此处描述的称作系统数据捕获的方法和装置,描述了用于数据捕获系统收集的数据的有条件记录,显示或处理的装置。在一个实施例中,该方法以实时数据捕获模式运行。在另一个实施例中,该方法还应用于非实时系统中。当与断路器控制和保护系统一起使用时,系统数据捕获使得系统数据进行离线分析。另外,系统数据捕获有助于从整个系统收集的数据分析,如,电流和电压测量,以及断路器状态,从而有助于识别多种故障类型,并且在合理故障和损坏性跳闸之间进行区分。
图1示出了例如由工业企业使用的配电系统10的代表性示意图。在代表性实施例中,系统10包括至少一个主馈电系统12,配电总线14,多个电力电路开关或断流器,这里也称作断路器(CB)16,以及至少一个负载18,该负载例如但不局限于电动机,焊接机,计算机,加热器,照明设备,和/或其他电气设备。
使用中,将电力从能源(未示出)供给主馈电系统12,即,例如开关板。该能源诸如但并不局限于从例如核反应堆,烧煤锅炉,燃气轮发电机以及柴油发电机获得动力的蒸汽涡轮机。供给主馈电系统12的电力使用断路器16分成多个支路,断路器16将电力提供给工业企业中的各种负载18上。另外,在各支路中提供断路器16以有助于保护设备,即,负载18,该负载18连接在各支路中。此外,这是因为可将特殊负载18通电或者断电而不影响其他负载18,因此断路器16有助于使设备故障达到最小,从而增加效率,以及减小操作和制造成本。
配电系统10包括断路器控制保护系统19,控制保护系统19包括多个节点电子单元20,并且每个节点电子单元20电连接到数字网络22上。断路器控制保护系统19还包括至少一个中央控制处理单元(CCPU)24,该中央控制处理单元24通过开关23电连接到数字网络22上,该开关23例如但并不局限于以太网(Ethernet)开关23。在使用中,每个单独的节点电子单元20电连接到各自的断路器16上,这样CCPU24通过数字网络22并通过相应的节点电子单元20电连接到每个断路器16上。
在代表性实施例中,数字网络22为快速以太网(Fast Ethernet)协议网络。在另一实施例中,数字网络22包括,例如,至少一个局域网(LAN)或广域网(WAN),拨号连接(dial-in-connection),电缆调制解调器,以及专用高速ISDN线。数字网络22还包括能互连到Internet上的任何设备,这些设备包括基于网络的电话机,个人数字助理(PDA),或其他基于网络的连接设备。值得注意的是数字网络22网络可基于IEEE 802.3(u)及其后继标准(successor)的未来修改进行升级。还应该注意的是数字网络22构造成例如星形拓扑。
在一个实施例中,CCPU24是计算机,并包括设备26,例如软盘驱动器或者CD-ROM驱动器,从而有助于读取来自计算机可读媒介28的指令和/或数据,计算机可读媒介28如软盘或CD-ROM。在另一个实施例中,CCPU24执行存储在固件(未示出)中的指令。将CCPU24进行编程以实现在此描述的功能,但其他可编程电路可同样进行编程。因此,如此处所使用的,术语计算机并不局限于现有技术中称作计算机的那些集成电路,而是广泛地指计算机,处理器,微控制器,微机,可编程逻辑控制器,专用集成电路及其他可编程电路。另外,尽管描述在配电设备中,也可考虑本发明对包括工业系统的所有配电系统产生有益之处,例如,但不局限于安装在办公楼中的配电系统。
图2是示出了与配电系统10(示于图1)并尤其与断路器控制保护系统19(示于图1)使用的节点配电系统29的代表性示意图。节点配电系统29包括电源30,该电源30通过节点配电总线32电连接到节点电子单元20上。在代表性实施例中,电源30是不间断电源(UPS)。在一个实施例中,电源30接收来自配电系统10的电能并且然后将该电能通过节点配电总线32分配给节点电子单元20。在可替换实施例中,不将电能供给电源30,而是,电源30采用内部电源将电能提供给节点电子单元20,该内部电源例如但不局限于多个电池(未示出)。在另一个可替换实施例中,节点电子单元20由从电流传感器82和/或电压传感器84得到的二次电流提供电能。在该实施例中,断路器控制保护系统19不包括节点配电系统29,电源30或节点配电总线32。
图3是CCPU24的代表性示意图。CCPU24包括至少一个存储器装置40,该存储器装置例如但不局限于只读存储器(ROM)42,快速存储器44,和/或随机存取存储器(RAM)46。CCPU24还包括中央处理器单元(CPU)48,该中央处理器单元48电连接到至少一个存储器装置40上,还连接到内部总线50,通信接口52以及通信处理器54上。在代表性实施例中,CCPU24是印刷电路板,并且包括电源56,从而提供电能给印刷电路板上的多个设备。在另一个可替换实施例中,节点电子单元20由从电流传感器82和/或电压传感器84得到的二次电流提供电能。在该实施例中,断路器控制保护系统19将不包括节点配电系统29,电源30或节点配电总线32。
此外,在代表性实施例中,内部总线50包括地址总线,数据总线,以及控制总线。在使用中,地址总线构造成使CPU48对多个内部存储器位置或输入/输出接口进行访问,该输入/输出接口例如但不局限于通过通信处理器54的通信接口52,以及通过网关处理器56的网关接口58。该数据总线构造成在CPU48和至少一个输入/输出之间发送指令和/或数据,并且控制总线构造成在多个设备之间发送信号从而有助于确保这些设备同步运行。在代表性实施例中,内部总线50是双向总线,这样使得信号可在内部总线50上的任何一个方向上发送。CCPU24还包括至少一个存储装置60,存储装置60构造成存储多个通过内部总线50发送的信息。
在使用中,网关接口58通过互联网链接62或内联网62与远程工作站(未示出)进行通信。在代表性实施例中,远程工作站是包括网络浏览器的个人计算机。尽管描述了单个工作站,此处描述的这种功能可在与网关接口58连接的多台个人计算机的一台上实现。例如,网关接口58可通信连接到各种单机上并连接到第三方上,单机包括本地操作机,第三方如通过ISP互联网连接的远程系统操作机。在该代表性实施例中的通信示出为通过互联网实现,然而,任何其他广域网(WAN)型的通信可在其他实施例中使用,其他实施例即,系统和方法不限于通过互联网实现。在一个实施例中,信息在网关接口58上接收并通过CCPU24和数字网络22发送给节点电子单元20。在另一个实施例中,从节点电子单元20发送的信息在通信接口52上接收并通过网关接口58发送给互联网62。
图4是单个节点电子单元20的代表性示意图。在该代表性实施例中,节点电子单元20是远离CCPU24和断路器16安装的单一设备。在代表性实施例中,节点电子单元20与断路器16隔开,但靠近断路器16。在代表性实施例中,节点电子单元20是印刷电路板。
在一个实施例中,节点电子单元20接收从多个设备输入的信号,这些设备例如但并不局限于电流传感器82,电压传感器84,和/或断路器16。来自断路器16的状态信号包括与断路器的一个或多个状态相关的信号,例如但并不局限于辅助开关状态,以及弹簧装载开关状态。另外,节点电子单元20至少发送信号给断路器16以便控制断路器的一个或多个状态。
在使用中,信号通过节点电子单元20发送到CCPU24和数字网络22上。节点电子单元20接收该信号并将数字消息打包,该数字消息包括信号和与节点电子单元20的质量(health)和状态相关的附加数据。该质量和状态数据可包括信息,该信息基于由内部诊断程序发现的问题和自测程序的状态,自测程序在节点电子单元20内本地运行。CCPU24使用一个或多个保护算法,监测算法以及其任意组合处理数字消息。响应数字消息的处理,CCPU24通过数字网络22将数字消息返还给节点电子单元20。在代表性实施例中,节点电子单元20通过响应从CCPU24接收的数字消息的信号来激励断路器16。在一个实施例中,响应仅由CCPU24发送的命令来激励断路器16,即,断路器16不受节点电子单元20本地控制,而是基于从网络22上的节点电子单元20接收的数字消息从CCPU24远程操作。
图5是电连接到节点电子单元20上的断路器16的代表性示意图。在该代表性实施例中,断路器16包括开关组件,该开关组件包括可动和/或固定触头,抑弧装置,以及跳闸和操作机构。断路器16仅包括一个跳闸线圈100,闭合线圈102,辅助开关104,弹簧装载开关106,以及电动机108。断路器16不包括跳闸单元。断路器16的各种元件(如,跳闸线圈100,闭合线圈102,辅助开关104,弹簧装载开关106,电动机108)可由节点电子单元20提供电能。可替换地,断路器16可由从电流传感器82和/或电压传感器84得到的二次电流提供电能。
断路器16与节点电子单元20通过线束电气通信,其中该线束可包括铜导线,通信管道,及其任一组合。电流传感器82,以及电压传感器84与节点电子单元20通过电缆进行电气通信,该电缆可包括铜导线,通信管道,及其任一组合。在代表性实施例中,断路器16是靠近节点电子单元20,电流传感器82,以及电压传感器84安装的单一设备。
在使用中,将来自节点电子单元20的激励信号发送给断路器16,从而激励断路器16中的多个功能,例如,但并不局限于,操作跳闸线圈100,操作闭合线圈102,以及影响断路器闭锁特征。辅助开关104和操作弹簧装载开关106提供断路器参数的状态指示给节点电子单元20。电动机108构造成对工作弹簧进行再装载,当断路器16闭合后构造成为闭合弹簧(未示出)。值得注意的是电动机108可包括,例如,弹簧装载开关,能对跳闸弹簧进行再装载的螺线管和其他任一种电子-机械装置。为了闭合断路器16,闭合线圈102由来自激励电源模块(未示出)的关断信号通电。闭合线圈102激励闭合机构(未示出),该闭合机构将至少一个可动电气触头(未示出)连接到相应的固定电气触头(未示出)上。断路器16的闭合机构锁定在闭合位置,这样使得当闭合线圈102断电时断路器16保持闭合。当断路器16闭合时,辅助开关104的“a”触头也将闭合并且辅助开关104的“b”触头将打开。“a”和“b”触头的位置由节点电子单元20进行检测。为了打开断路器16,节点电子单元20向跳闸线圈(TC)100通电。TC100直接作用于断路器16上以释放保持断路器16闭合的锁定机构。当锁定机构释放时,断路器16将打开,打开辅助开关104的“a”触头并闭合辅助开关104的“b”触头。然后跳闸线圈100由节点电子单元20断电。在断路器16打开后,与由电动机108进行再装载的闭合弹簧一起,断路器16为下一个工作周期作准备。在代表性实施例中,每个节点电子单元20以一对一的对应关系连接到断路器16上。例如,每个节点电子单元20仅与一个断路器16直接通信。在可替换实施例中,节点电子单元20可与多个断路器16进行通信。
图6是代表性数据捕获系统600的示意图,该数据捕获系统600与图1所示的配电系统10使用。在代表性实施例中,数据捕获系统600包括内部数据管理(DM)模块602,以及连接到接口606的数据显现、输出和/或处理(DVEP)模块604。接口606接收来自通过连接608在配电系统10上运行的所有节点电子单元的原始输入数据。将该数据通过连接612发送给CCPU处理模块610以由CCPU24进一步处理。还将该数据通过连接614发送给数据管理模块602以在数据管理模块602内部的缓冲器中进行捕获。事件触发信号616启动数据管理模块602内的数据捕获处理。事件触发信号616可以是基于预定条件的逻辑的输出的CCPU24内产生的内部触发信号,该预定条件的逻辑基于CCPU24的计算和/或用户需求。事件触发信号616可以是与CCPU24通信的元件产生的外部触发信号,该CCPU24感应触发事件或计算指示数据捕获条件的结果。在一个实施例中,与CCPU24通信的元件包括,例如,外部配电控制系统(DCS)(未示出),网络开关23,网络集线器(未示出),以及节点电子单元20。在处理完该事件之后,数据管理模块602通过连接618发送所捕获的数据的文件给数据显现、输出和/或处理(DVEP)模块604,在模块604中进一步处理和维护配电系统10的未来分析及故障诊断。
图7是示于图6中的数据管理模块602的部分700的示意框图。数据管理模块602包括至少两个缓冲器,一旦数据管理模块602启动,就初始化和执行该至少两个缓冲器。该至少两个缓冲器包括捕获缓冲器702和第二缓冲器704。一旦数据管理模块602启动,缓冲器702和704进行操作以收集和存储多个从接口606接收的多个数据。在一个实施例中,当数据管理模块602启动时初始化第三缓冲器706,但直到数据管理模块602接收事件触发信号616才有效。在另一个实施例中,第三缓冲器706直到数据管理模块接收事件触发616才初始化。每个缓冲器702,704,以及706初始化以包括从接口606接收的数据包的多个存储位置。每个缓冲器还初始化以能基于由用户选择的故障或数目存储预定数量的数据包。缓冲器702,704,706构造成循环缓冲器,这样,当缓冲器充满时,其以环形的方式用最新接收的数据重写最旧的数据。缓冲器的大小,或者收集时间间隔710,有助于确定直到缓冲器开始重写旧数据前缓冲器能存储数据的时间量,或者缓冲器的尺寸有助于确定缓冲器能保持的时间窗的长度。捕获间隔712是接近收集间隔710的一半。当事件触发信号由数据管理模块602接收时,数据管理模块602基于收集间隔710的长度确定捕获间隔712的长度。在接收到事件触发信号之后,捕获缓冲器702将继续收集数据与捕获间隔712对应的时间段,并且然后捕获缓冲器702将冻结,或停止获取数据并假定为无效状态。另外,第二缓冲器704将识别为新的缓冲器并且第三缓冲器706将初始化,激活并识别为新的第二缓冲器。以这种方式,数据管理模块602准备接收并处理随后的事件触发。在捕获缓冲器702冻结并无效之后,其内容存储在文件中,并且为进一步处理,将文件位置发送给数据显现、输出和/或处理(DVEP)模块604。
图8是示出由数据捕获系统600使用的代表性处理的流程图800。DM模块602构造成连续收集802和缓冲从多个节点电子单元20接收的数据,这样使得当触发事件发生804时,确定806围绕触发事件的捕获时间间隔,该触发事件为内部触发或者外部触发。数据管理模块602包括用于高速存储输入数据的多个环形数据缓冲器。第一缓冲器702和第二缓冲器704连续收集802输入的数据。第三缓冲器706无效直到触发事件发生804。缓冲器702,704,和706设置成循环缓冲器从而使得数据连续存储,同时较新的数据覆盖较旧的数据。每个缓冲器702,704和706包括多个数据存储位置708,该数据存储位置存储由用户预定的间隔701的输入数据。该间隔710的长度确定存储在每个缓冲器702,704和706中的数据量,需要存储数据的存储量以及由每个缓冲器702,704和706捕获的时间间隔。
在使用中,缓冲器702和704有效并同时收集802数据,每个缓冲器包括与其他缓冲器相同的数据的副本。当触发事件发生804时,例如在时间零点(t0),数据管理模块602确定806捕获间隔712,该捕获间隔712接近等于间隔710的一半,并且初始化和激活808第三缓冲器706。在时间零点,所有的三个缓冲器有效并收集输入数据的相同副本。缓冲器702和704包含近似等于间隔710的数据历史。缓冲器702,704和706继续收集数据近似等于间隔712,或第一时间(t1)的时期。在t1,缓冲器702停止收集810数据,转移814所收集的数据到数据显现、输出和/或处理(DVEP)模块604,并且假定816为无效状态。缓冲器704和706继续收集数据直到第二触发事件为止,在第二触发事件中缓冲器704假定818起数据捕获缓冲器作用,第三缓冲器706变成820第二缓冲器,第四缓冲器(未示出)激活。该处理以这种方式无限期地继续。
上述的数据捕获方法学允许从所有的节点电子单元20和CCPU24捕获配电系统10数据。该数据包括在触发事件发生之前捕获的数据的间隔712以及在触发事件发生后捕获的数据的间隔712。
数据显现、输出和/或处理(DVEP)模块604从数据管理模块602接收822所捕获的数据文件并且进一步处理824该数据,从而允许访问该数据,该数据包括例如每个节点电子单元20,每个断路器16的状态信息,配电系统10电气参数,以及CCPU24状态信息。所捕获的数据文件包括以原始形式的数据,表示从配电系统10中的每个节点电子单元20,CCPU24,以及其他元件接收。数据显现、输出和/或处理(DVEP)模块604,例如,打开捕获数据文件,提取与触发事件相关的数据,以预定格式来安排该数据,以及为了用户发现而将该格式的数据送给826预定显示器上。数据显现,输出和/或处理(DVEP)模块604还为用户进一步处理以及输出给其他计算机系统或数据处理模块而准备该捕获的数据。
数据捕获系统600有助于基于至少一个标准捕获用于显示、输出、以及处理的至少一种的数据。该标准例如但不局限于配电系统10的电流/电压电平,特定收集时间以及多个事件顺序。连续数据收集有助于确保预触发数据已经收集。另外,系统600有助于为系统600所收集的数据的有条件显现,输出和/或处理提供集成机构。在配电系统10的范围内,系统100数据捕获容量,例如,但不局限于用于损坏跳闸验证的系统数据分析,可集成到CCPU24中,而不会中断配电系统10实时数据捕获以及保护功能。1
如这里所描述的,系统600构造成当触发器,内部或外部,在DM模块602中激活时从配电系统10捕获数据,并且采用DVEP模式604有助于特定预触发数据的连续数据收集显示/输出/显现。另外,提供了可选择的DVEP的调度和优先次序从而支持集成系统数据捕获而不中断实时系统运行。
尽管本发明已经依据各种特定实施例进行了描述,本领域技术人员知道本发明可用落入权利要求的精神和范围内的改变来实施。
Claims (39)
1.一种用于收集配电系统数据的方法,所述方法包括:
将多个节点电子单元通信连接到数字网络上;
将至少一个中央控制处理单元(CCPU)通信连接到所述数字网络上;
执行数据捕获模块,其中所述模块包括数据捕获缓冲器和第二缓冲器;以及
响应事件而激活所述数据捕获模块。
2.根据权利要求1的方法,还包括将来自所述多个节点电子单元的数据捕获在至少两个缓冲器中,其中每个缓冲器是循环缓冲器。
3.根据权利要求2的方法,其中所述捕获数据在至少两个缓冲器中包括捕获来自连接到所述网络的所有节点电子单元和CCPU的至少一个的原始数据。
4.根据权利要求3的方法,其中所述捕获来自连接到网络的所有节点电子单元和CCPU的至少一个的原始数据包括捕获至少从由配电系统电流、配电系统电压以及断路器状态组成的组中选择的参数。
5.根据权利要求2的方法,其中所述捕获数据在至少两个缓冲器中包括捕获数据在包括预定收集间隔的缓冲器中。
6.根据权利要求2的方法,其中所述捕获数据在至少两个缓冲器中包括将数据一直捕获在至少一个缓冲器中。
7.根据权利要求1的方法,其中所述执行数据捕获模块包括监测事件输入。
8.根据权利要求7的方法,其中所述监测事件输入是从由外部事件和内部事件组成的组中选择的至少一种事件。
9.根据权利要求8的方法,其中所述外部事件从节点电子单元、网络开关、网络集线器和外部系统触发器的至少一种中产生。
10.根据权利要求8的方法,其中所述内部事件从CCPU硬件和CCPU软件的至少一种中产生。
11.根据权利要求1的方法,其中所述激活数据捕获系统包括激活包括内部数据管理(DM)模块,数据显现,输出和处理(DVEP)模块的数据捕获系统。
12.根据权利要求11的方法,其中所述激活包括内部数据管理(DM)模块的所述数据捕获系统,包括:
确定捕获间隔的长度;
在接收到事件触发信号之后捕获相同的数据在至少一个附加缓冲器中;
在接收事件触发信号后冻结所述数据捕获缓冲器一个捕获间隔时间段;以及
将所述捕获数据转移到所述DVEP上。
13.根据权利要求12的方法,其中所述确定捕获间隔包括确定接近等于收集间隔长度的一半的捕获间隔长度。
14.根据权利要求12的方法,其中所述冻结所述数据捕获缓冲器包括冻结所述数据捕获缓冲器,使得所述数据捕获缓冲器包括早于该事件捕获的数据的一个数据捕获间隔时间段和在所述事件之后捕获的数据的一个数据捕获时间间隔。
15.根据权利要求12的方法,其中所述在所述事件接收之后冻结所述数据缓冲器一个捕获间隔时间段包括在所述捕获间隔时间段期间第二事件接收到时扩展所述捕获间隔长度。
16.根据权利要求12的方法,其中所述转移所述数据到所述DVEP还包括:
确定描述所述启动的事件的至少一个参数;以及
基于预定的格式显示所述参数。
17.根据权利要求16的方法,其中所述基于预定的格式显示所述参数包括基于预定的格式自动显示所述参数。
18.根据权利要求1的方法,其中激活所述数据捕获模块还包括为随后的事件配备所述数据捕获缓冲器和所述第二缓冲器。
19.根据权利要求18的方法,其中配备所述数据捕获缓冲器和所述第二缓冲器包括:
停用所述数据缓冲器;
把所述第二缓冲器识别为数据捕获缓冲器;以及
启动新的第二缓冲器。
20.一种用于收集配电系统数据的装置,所述装置包括:
通信连接到数字网络上的多个节点电子单元;
通信连接到所述数字网络的至少一个中央控制处理单元(CCPU);以及
数据捕获模块,其中所述模块包括数据捕获缓冲器和第二缓冲器,所述模块构造成将数据收集在所述数据捕获缓冲器和所述第二缓冲器中,并且所述模块构造成响应事件而激活。
21.根据权利要求20的装置,其中所述装置包括至少两个循环缓冲器。
22.根据权利要求21的装置,其中所述缓冲器包括预定收集间隔。
23.根据权利要求21的装置,其中所述至少两个缓冲器构造成一直将数据捕获到至少一个缓冲器中。
24.根据权利要求20的装置,其中所述装置构造成从连接到所述网络上的所有节点电子单元和所述CCPU中的至少一个捕获数据。
25.根据权利要求24的装置,其中所述装置构造成捕获从由配电系统电流、配电系统电压以及断路器状态组成的组中选择的至少一个参数。
26.根据权利要求20的装置,其中所述数据捕获模块构造成监测事件输入。
27.根据权利要求26的装置,其中所述事件是从由外部事件和内部事件组成的组中选择的至少一个。
28.根据权利要求27的装置,其中所述外部事件由节点电子单元触发输入,网络开关事件触发输入,网络集线器事件触发输入以及外部系统事件触发输入选择的至少一个产生。
29.根据权利要求27的装置,其中所述内部事件从由CCPU硬件事件触发输入和CCPU软件事件触发输入选择的至少一个产生。
30.根据权利要求20的装置,其中所述装置包括内部数据管理(DM)模块,以及数据显现、输出、以及处理(DVEP)模块。
31.根据权利要求30的装置,其中所述内部数据管理(DM)模块构造成:
确定捕获间隔长度;
在事件触发信号接收到后捕获相同的数据在至少一个附加缓冲器中;
在事件触发信号接收到后冻结所述数据捕获缓冲器一个捕获间隔时间段;以及
将所述捕获数据转移给所述DVEP。
32.根据权利要求31的装置,其中所述捕获间隔长度接近所述收集间隔长度的一半。
33.根据权利要求31的装置,其中所述冻结的数据捕获缓冲器包括所述事件之前捕获的数据的一个数据捕获间隔时间段以及所述事件之后捕获的数据的一个数据捕获时间间隔。
34.根据权利要求31的装置,其中所述装置进一步构造成:
确定描述所启动的事件触发的参数;
基于预定格式显示所述参数。
35.根据权利要求34的装置,其中所述装置还构造成基于预定格式自动显示所述参数。
36.根据权利要求20的装置,其中所述装置还构造成为随后的事件配备所述数据捕获缓冲器和所述第二缓冲器。
37.根据权利要求36的装置,其中所述装置还构造成:
停用所述数据捕获缓冲器;
将所述第二缓冲器识别为数据捕获缓冲器;以及
启动新的第二缓冲器。
38.一种用于收集配电系统数据的装置,所述装置包括:
通信连接到数字网络的多个节点电子单元;
通信连接到所述数字网络的至少一个中央控制处理单元(CCPU);以及
数据捕获模块,所述模块构造成从所述节点电子元件和所述CCPU收集数据,并且所述模块构造成响应事件而激活,所述模块包括:
内部数据管理(DM)模块,以及数据显现、输出和处理(DVEP)模块,所述DM包括至少两个循环缓冲器,所述至少两个循环缓冲器包括数据捕获缓冲器和第二缓冲器,每个所述缓冲器包括预定收集间隔,其中所述DM构造成:
确定捕获间隔长度;
在所述事件接收到后冻结所述数据捕获缓冲器一个捕获间隔时间段;以及
将所述捕获的数据转移给所述DVEP,其中所述DVEP构造成确定描述所述启动的事件触发的至少一个参数,以及基于预定格式自动显示所述参数。
39.根据权利要求38的装置,其中所述装置还构造成停用所述数据捕获缓冲器,将所述第二缓冲器识别为数据捕获缓冲器,以及启动新的第二缓冲器。
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CN102024588A (zh) * | 2009-09-11 | 2011-04-20 | 通用电气公司 | 在开关装置中的降低能量允许通过模式指示和延迟 |
CN102024588B (zh) * | 2009-09-11 | 2014-04-23 | 通用电气公司 | 在开关装置中的降低能量允许通过模式指示和延迟 |
CN102340131A (zh) * | 2010-07-15 | 2012-02-01 | 通用电气公司 | 具有降低的能量通泄模式的中央控制保护系统 |
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CN105629030B (zh) * | 2014-11-24 | 2020-08-18 | 罗克韦尔自动化技术公司 | 用于检测异常事件并且捕获相关联的波形的设备和方法 |
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