CN111769522A - 一种多元监测的无延时灭弧一体化保护方法 - Google Patents

一种多元监测的无延时灭弧一体化保护方法 Download PDF

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CN111769522A
CN111769522A CN202010662274.2A CN202010662274A CN111769522A CN 111769522 A CN111769522 A CN 111769522A CN 202010662274 A CN202010662274 A CN 202010662274A CN 111769522 A CN111769522 A CN 111769522A
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signals
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曹海欧
孟屹华
黄翔
崔玉
潘琪
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State Grid Jiangsu Electric Power Co Ltd
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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
    • H02H7/22—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 for distribution gear, e.g. bus-bar systems; for switching devices
    • G—PHYSICS
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    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • H02H1/0015—Using arc detectors
    • H02H1/0023—Using arc detectors sensing non electrical parameters, e.g. by optical, pneumatic, thermal or sonic sensors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network
    • H02J13/10—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by displaying of information or by user interaction, e.g. supervisory control and data acquisition [SCADA] systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network
    • H02J13/12—Monitoring network conditions, e.g. electrical magnitudes or operational status
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network
    • H02J13/13—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by the transmission of data to equipment in the power network
    • H02J13/1321—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by the transmission of data to equipment in the power network using a wired telecommunication network or a data transmission bus
    • H02J13/1323—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by the transmission of data to equipment in the power network using a wired telecommunication network or a data transmission bus using optical fibres
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network
    • H02J13/13—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by the transmission of data to equipment in the power network
    • H02J13/1327—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by the transmission of data to equipment in the power network using optical means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • Y04S10/52—Outage or fault management, e.g. fault detection or location
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
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    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

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Abstract

本发明公开了一种多元监测的无延时灭弧一体化保护方法，通讯管理机在接收弧光信号、烟雾浓度信号、火焰紫光信号、温湿度信号、红外辐射以信号及声音信号中一个或者多个信号后，对接收到的对应信号进行采集和转发，并将信号上传至在线监测平台，并发出报警信号。本发明解决了开关柜短路故障时，伴有的电弧光，热成像，声波，环境温湿度等环境问题，预防电力事故的发生，确保可靠供电，拉近电力企业与电力用户之间的关系，同时安全可靠供电树立供电企业良好形象为地方经济发展保驾护航，为创建和谐社会提供保证。

Description

一种多元监测的无延时灭弧一体化保护方法
技术领域：
本发明涉及一种多元监测的无延时灭弧一体化保护方法。
背景技术：
我国高速增长的发电、用电现状我们必须清醒的意识到一个重要问题-电力安全，变电站的高压开关柜是重要的电气设备。在设备的长期运行中，开关设备发生短路故障时产生的电弧使开关设备中的压力和温度迅速增加，如不及时切除，将造成设备和人员的重大伤害。因此需要一种可以及时发现开关柜运行的异常状况，并且发出预警，防止重大电力事故的多元化监测的无延时灭弧一体化保护方法十分有必要。
发明内容：
本发明是为了解决上述现有技术存在的问题而提供一种多元监测的无延时灭弧一体化保护方法。
本发明所采用的技术方案有：一种多元监测的无延时灭弧一体化保护方法，包括
1）信号接收：
弧光传感器监测弧光中的紫外光，并将监测到的紫外光传输给弧光主控单元转化为弧光信号，转化后的弧光信号传输给弧光烟感采集单元，弧光烟感采集单元同时接收烟雾传感器监测到烟雾的浓度信号，弧光烟感采集单元将采集到的弧光信号和烟雾浓度信号同时传输给通讯管理机；
紫外探测器将监测到的火焰紫光的信号传输给通讯管理机；
除湿器将监测到的温湿度信号传输给通讯管理机；
红外热成像单元将监测的红外辐射信号传输给通讯管理机；
声波传感单元将监测的声音信号传输给通讯管理机；
2）信号采集与上传：
通讯管理机在接收弧光信号、烟雾浓度信号、火焰紫光信号、温湿度信号、红外辐射以信号及声音信号中一个或者多个信号后，对接收到的对应信号进行采集和转发，并将信号上传至在线监测平台，并发出报警信号。
进一步地，所述红外热成像单元包括红外热成像仪、网络交换机和监控主机，所述红外热成像仪监测被监控环境中的红外辐射信号，并将监测到的红外辐射信号上传至网络交换机，网络交换机将红外辐射信号转变为可视图像，并在监控主机以灰度或伪彩显示出来，得出被监控环境中温度分布场信息。
进一步地，所述声波传感单元包括声波传感器、声波采集单元和监控主机，所述声波传感器用于对被监测环境中进行局部放电特高频检测，并将检测到的声波信号传输至声波采集单元，由声波采集单元传输至监控主机。
本发明具有如下有益效果：
1、本发明提供了对于开关柜实时、有效的温度和弧光监测，解决了一直以来开关柜短路故障的时切换速度慢的问题。减少了开关柜的运维成本每年可节省大量的运维费用支出。
2、采用了基于光感、温感、烟感、声感、环境温湿度传感器的新能源电站综合在线监测平台，建立起电力企业生产安全管理的新渠道，对快速响应客户需求，降低服务成本，具有明显的现实意义，同时提高电力供电的可靠性。
3、系统运行后，可以提高用电管理的水平，加强对客户的服务，使电力优质服务的形象得到进一步提升。
本发明解决了开关柜短路故障时，伴有的电弧光，热成像，声波，环境温湿度等环境问题，预防电力事故的发生，确保可靠供电，拉近电力企业与电力用户之间的关系，同时安全可靠供电树立供电企业良好形象为地方经济发展保驾护航，为创建和谐社会提供保证。
附图说明：
图 1 为本发明原理图。
具体实施方式：
下面结合附图对本发明作进一步的说明。
如图1所示，本发明 一种多元监测的无延时灭弧一体化保护方法，包括
1）信号接收：
弧光传感器监测弧光中的紫外光，并将监测到的紫外光传输给弧光主控单元转化为弧光信号，转化后的弧光信号传输给弧光烟感采集单元，弧光烟感采集单元同时接收烟雾传感器监测到烟雾的浓度信号，弧光烟感采集单元将采集到的弧光信号和烟雾浓度信号同时传输给通讯管理机；
紫外探测器将监测到的火焰紫光的信号传输给通讯管理机；
除湿器将监测到的温湿度信号传输给通讯管理机；
红外热成像单元将监测的红外辐射信号传输给通讯管理机；
声波传感单元将监测的声音信号传输给通讯管理机；
2）信号采集与上传：
通讯管理机在接收弧光信号、烟雾浓度信号、火焰紫光信号、温湿度信号、红外辐射以信号及声音信号中一个或者多个信号后，对接收到的对应信号进行采集和转发，并将信号上传至在线监测平台，并发出报警信号。
以下对本发明中各元器件功能进行具体说明：
弧光传感器：可监测弧光中的紫外光，具有过滤干扰光的功能，避免传感器受环境光影响引起的误动。当故障发生，温度升高的同时，可能会产生局部放电并形成光辐射（电闪络）。通过光学原理先将采集到的微光中的可见光滤除，并将过滤后的紫外光转为传输效率更高的光信号，通过光纤传给CPU。并且实现传感器与光纤之间自检功能，能够实时监测光纤及传感器状态，判断传感器是否脱落、断线或异常。
烟雾传感器：通过监测烟雾的浓度来实现电气火灾防范，烟雾报警器内部采用工作稳定可靠的离子式烟雾传感。当开关柜内发生闪弧、局放等信号时，会伴随一定的异常气体烟雾，烟雾传感单元实时监测到后，将及时发出告警信号。烟雾传感器采用吸顶式或侧壁式安装，体积较小，方便现场安装。
紫外探测器：日盲紫外探测系统，探测器可在全天候天气条件下，探测电力设备中局部放电产生的紫外线（日忙区）或100米以内发生的火灾中的火焰紫光。
除湿器：除湿器采用专利201520584515.0的除湿系统，
红外热成像单元：红外热成像单元包括红外热成像仪、网络交换机和监控主机，所述红外热成像仪监测被监控环境中的红外辐射信号，并将监测到的红外辐射信号上传至网络交换机，网络交换机将红外辐射信号转变为可视图像，并在监控主机以灰度或伪彩显示出来，得出被监控环境中温度分布场信息。
声波传感单元：声波传感单元包括声波传感器、声波采集单元和监控主机，所述声波传感器用于对被监测环境中进行局部放电特高频检测，并将检测到的声波信号传输至声波采集单元，由声波采集单元传输至监控主机。
传感器通过便携支架磁吸在开关柜表面，简单易用，不影响设备安全运行。此传感器采用内置一次性电池供电方式，采用低功耗休眠、唤醒工作模式，极大的减小了系统的功耗。
通讯管理机：实现不同数据的采集和转发，满足电力安全相关标准与规范，是厂站和主站之前的通讯桥梁，实现数据从厂站内到各级调度系统或集团统一监控运维平台，无缝对接各品牌正反向隔离装置，加密装置。其实就是将串口458的协议进行转化为以太网协议。
本发明保护昂贵的主变压器，厂用或起备变压器免受短路电流冲击而损坏，保护中、低压开关设备免受严重损坏，防
止火灾的发生，保护附近工作人员免受电弧短路故障造成的伤害（包括有毒气体、烧伤、爆炸飞溅物、巨大噪音等带来的间接伤害），最大限度地减少用户的停电时间，延长现有开关设备的使用寿命，推迟更换开关设备的投资。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下还可以作出若干改进，这些改进也应视为本发明的保护范围。

Claims (3)

1.一种多元监测的无延时灭弧一体化保护方法，其特征在于：包括
1）信号接收：
弧光传感器监测弧光中的紫外光，并将监测到的紫外光传输给弧光主控单元转化为弧光信号，转化后的弧光信号传输给弧光烟感采集单元，弧光烟感采集单元同时接收烟雾传感器监测到烟雾的浓度信号，弧光烟感采集单元将采集到的弧光信号和烟雾浓度信号同时传输给通讯管理机；
紫外探测器将监测到的火焰紫光的信号传输给通讯管理机；
除湿器将监测到的温湿度信号传输给通讯管理机；
红外热成像单元将监测的红外辐射信号传输给通讯管理机；
声波传感单元将监测的声音信号传输给通讯管理机；
2）信号采集与上传：
通讯管理机在接收弧光信号、烟雾浓度信号、火焰紫光信号、温湿度信号、红外辐射以信号及声音信号中一个或者多个信号后，对接收到的对应信号进行采集和转发，并将信号上传至在线监测平台，并发出报警信号。
2.如权利要求1所述的多元监测的无延时灭弧一体化保护方法，其特征在于：所述红外热成像单元包括红外热成像仪、网络交换机和监控主机，所述红外热成像仪监测被监控环境中的红外辐射信号，并将监测到的红外辐射信号上传至网络交换机，网络交换机将红外辐射信号转变为可视图像，并在监控主机以灰度或伪彩显示出来，得出被监控环境中温度分布场信息。
3.如权利要求1所述的多元监测的无延时灭弧一体化保护方法，其特征在于：所述声波传感单元包括声波传感器、声波采集单元和监控主机，所述声波传感器用于对被监测环境中进行局部放电特高频检测，并将检测到的声波信号传输至声波采集单元，由声波采集单元传输至监控主机。
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