CN113162235A - 一种城市轨道交通智能变电站*** - Google Patents
一种城市轨道交通智能变电站*** Download PDFInfo
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- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
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- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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- 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
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- 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
- Y04S40/124—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 wired telecommunication networks or data transmission busses
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Abstract
本发明公开了一种城市轨道交通智能变电站***,包括由站控层、间隔层、MMS网络、GOOSE网络、IRIG‑B网络(对时网络),通过设置时钟同步装置、网络分析仪、GOOSE交换机、MMS交换机、智能网关机、站级监控设备、交流保护装置、直流保护装置、变压器温控器、整流器监控装置、交直流屏监控装置及其他非智能设备监控装置等,利用IEC61850/GOOSE技术高实时性的特点,通过在保护装置之间的快速信息交互,利用网络化技术,实现站内设备之间、站站设备之间共享保护启动、保护动作、开关状态等信息,实现城市轨道交通供电***继电保护的智能选择性和网络化闭锁等功能。
Description
技术领域
本发明属于轨道交通工程供电***技术领域,更具体地,涉及一种城市轨道交通智能变电站***。
背景技术
城市轨道交通供电***一般用于进行机车牵引供电、运营设施的其他设备供电和辅助性用电(如广告用电、商铺用电等),其供电电源一般取自城市网络,通过城市一次电力***和城市轨道交通供电***实现输送或变换,然后以适当的电压等级供给城市轨道交通各类用电设备。
由于国内地铁供电***设备品牌众多,各品牌二次接口各异,近年来地铁中设备差异化更加明显,各设备互联互通困难,需增加转换环节,增加成本、降低了***的可靠性。地铁供电***中设备之间联锁、闭锁关系多,且较为复杂。按照传统方案,设备间的联锁闭锁多采用硬接线方式实现,导致接线设计、调试复杂,工作量大。柜间、所间二次电缆布置线路长,外界环境复杂;信号传输易受电压降影响、受外界电磁干扰几率大,成为地铁稳定运行的隐患。
发明内容
针对现有技术的至少一个缺陷或改进需求,本发明提供了一种城市轨道交通智能变电站***,其通过在保护装置之间的快速信息交互,利用网络化技术,实现站内设备之间、站站设备之间共享保护启动、保护动作、开关状态等信息,实现城市轨道交通供电***继电保护的智能选择性。
为实现上述目的,按照本发明的一个方面,提供了一种城市轨道交通智能变电站***,该***包括:
变电站站控层,其包括时钟同步装置、网络分析仪、GOOSE交换机、MMS交换机、第一智能网关机、第二智能网关机和站级监控设备,时钟同步装置与外部的IRIG-B网络连接,网络分析仪和GOOSE交换机分别与外部的GOOSE网络连接,MMS交换机分别与外部的MMS网络和站级监控设备连接,第一智能网关机和第二智能网关机分别与外部的MMS网络连接,其中,相邻变电站之间的时钟同步装置互连,相邻变电站之间的GOOSE交换机互连;
变电站间隔层,其包括交流保护装置、直流保护装置、变压器温控器、整流器监控装置、交直流屏监控装置和其他非智能设备监控装置;交流保护装置分别与外部的MMS网络、外部的GOOSE网络和外部的IRIG-B网络连接,直流保护装置分别与外部的MMS网络、外部的GOOSE网络和外部的IRIG-B网络连接,变压器温控器和整流器监控装置分别与对应变电站的第一智能网关机相连,交直流屏监控装置与对应变电站的第二智能网关机相连。
作为本发明的进一步改进,时钟同步装置用于获取进行交直流保护时钟同步的B码,其通过直流电源供电,在各车站内通过地面卫星接收装置或通信二级母钟接入站内时钟,并转换成IRIG-B信号。
作为本发明的进一步改进,时钟同步装置在站内通过双绞线与对应的交直流保护装置连接,相邻站之间的时钟同步装置通过光纤连接。
作为本发明的进一步改进,网络分析仪用于监控GOOSE交换机之间的网络通信,以实现网络通讯故障的告警,还用于记录对GOOSE交换机之间的网络通讯信息,以便于重现通讯过程及故障排查。
作为本发明的进一步改进,GOOSE交换机用于交直流保护装置之间的GOOSE通信,通过外部的GOOSE网络实现变电站之间的数据共享,以实现环网供电数字通信电流后备保护。
作为本发明的进一步改进,MMS交换机用于站内交直流保护装置、智能网关机、站级监控设备三者之间的通信。
作为本发明的进一步改进,智能网关机用于将变电站内的非智能设备接入到电力监控***中。
作为本发明的进一步改进,交流保护装置包括中压开关柜进线差动保护装置、中压开关柜出线差动保护装置和馈线综合测控保护装置中的一种或多种。
作为本发明的进一步改进,直流保护装置包括直流进线、馈线保护装置、负极框架保护装置、再生能馈保护装置和上网隔开智能终端中的一种或多种。
作为本发明的进一步改进,间隔层交流保护装置与直流保护装置之间通过外部的GOOSE网络实现交直流保护的网络选跳。
总体而言,通过本发明所构思的以上技术方案与现有技术相比,能够取得下列有益效果:
本发明提供的一种城市轨道交通智能变电站***,其以IEC61850-MMS实现站控层与间隔层设备之间的通信,以IEC61850-GOOSE在站与站之间、站内间隔层设备之间传递联锁、联动信息,实现网络化保护和网络化闭锁,提升了保护的选择性和可靠性。相邻站间的交流保护通过GOOSE网络信息的共享,实现了网络化保护;直流保护之间通过GOOSE网络信息的共享,相互配合实现了双边联跳,同时实现站内、站间上网隔离开关和直流开关、越区开关的智能联锁。
本发明提供的一种城市轨道交通智能变电站***,站内的保护装置之间通过GOOSE网络信息的共享,实现了站内的网络化闭锁、交直流保护的网络选跳及整个轨道线路供电网络的自愈重构等。通过GOOSE实现信息共享,在保证选择性的前提下,缩短保护时延,提高继电保护的速动性和可靠性该***不仅提升了保护的选择性、速动性和可靠性;通过GOOSE跳闸技术实现直流双边联跳,缩短跳闸时间,节省投资;利用GOOSE技术在交直流继电保护设备之间共享信息,实现交直流保护的网络选跳,提升供电的稳定性;利用GOOSE技术实现变电所间的联锁信号和实时跳闸信号的传送,以替代传统智能装置之间的硬连接,减少电缆的应用,增加可靠性,提高维护的灵活性也能在供电设备或者供电线路发生故障时,实现供电方式的快速重构,缩短***的停电时间;同时可节省工程投资,提高***稳定性,减小运营维护工作量。
附图说明
图1是本发明实施例提供的一种城市轨道交通智能变电站***的结构示意图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。此外,下面所描述的本发明各个实施方式中所涉及到的技术特征只要彼此之间未构成冲突就可以相互组合。
下面结合实施例和附图对本发明提供的一种城市轨道交通智能变电站***的工作原理进行详细说明。
本发明所涉及的技术术语解释如下:
MMS网络:Multimedia Messaging Service的缩写,多媒体短信服务网络。
GOOSE网络:面向通用对象的变电站事件,其为IEC61850中的一种快速报文传输机制,用于传输变电站内IED之间重要的实时性信号,GOOSE采用网络信号代替了常规变电站装置之间硬接线的通信方式,大大简化了变电站二次电缆接线。
IRIG-B:时间码IRIG-B作为一种重要的时间同步传输的方式,以其实际突出的优越性能,成为时统设备首选的标准码型,广泛的应用到电信、电力、军事等重要行业或部门。
IEC61850-8-1标准:数字化变电站标准的一种。
MODBUS通信协议:一种串行通信协议,是Modicon公司(现在的施耐德电气Schneider Electric)于1979年为使用可编程逻辑控制器(PLC)通信而发表。Modbus已经成为工业领域通信协议的业界标准(De facto),并且现在是工业电子设备之间常用的连接方式。
B码对时:IRIG-B码对时。
图1是本发明实施例提供的一种城市轨道交通智能变电站***的结构示意图。如图1所示,一种城市轨道交通智能变电站***,其包括站控层、间隔层、MMS网络、GOOSE网络、IRIG-B网络(对时网络)等,站控层、间隔层均包含一种或多种具有不同功能的装置或设备,这些具有不同功能的装置或设备之间或通过MMS网络相连,或通过GOOSE网络相连,或通过IRIG-B网络相连,或通过电缆、光缆相连。
作为一个示例,站控层包括时钟同步装置、网络分析仪、GOOSE交换机、MMS交换机、智能网关机和站级监控设备,该时钟同步装置与IRIG-B网络相连,同时与相邻站的时钟同步装置直连;网络分析仪与GOOSE网络相连;GOOSE交换机与GOOSE网络相连,同时与相邻站的GOOSE交换机相连;MMS交换机分别与MMS网络、站级监控设备相连,同时向远方可连接至调度;智能网关机与MMS网络相连。
时钟同步装置提供用于交直流保护时钟同步的B码,采用直流电源供电,在各车站内通过地面卫星接收装置或通信二级母钟(422方式)接入站内时钟,并转换成IRIG-B信号,时钟同步装置在站内通过双绞线与交直流保护装置连接,相邻站间的时钟同步装置通过光纤连接,采用冗余反向双环授时方式。
网络分析仪用于GOOSE交换机之间的网络通信的监视,并对网络通讯故障及隐患进行告警,可及时发现故障点并排查故障;同时能够对网络通讯信息进行无损失全记录,以便于重现通讯过程及故障。
GOOSE交换机用于交直流保护装置间的通信,GOOSE交换机与GOOSE网络相连,GOOSE网络站内采用双网结构,站间采用光纤双通道通信,站内GOOSE交换机接入网络分析仪;通过GOOSE网络可以实现变电站间的数据共享,实现环网供电数字通信电流后备保护,包括变电所母线保护;直流保护可实现GOOSE的双边联跳及越区供电;当主所失压,可快速实现供电网络的自愈重构;通过GOOSE网络简化二次回路,节省电缆,提升***的速动性、可靠性。
MMS交换机用于站内交直流保护装置、智能网关机、站级监控设备间的通信,MMS交换机与MMS网络相连,MMS网络站内采用单网结构,交流和直流保护***统一组网,使站内信息和控制集成在一起;MMS交换机向远方可连接至调度。
智能网关机用于将站内的变压器、整流器、交直流屏等非智能设备接入到电力监控***中,每个站配置两台智能网关机用于规约转换,智能网关机采集非智能设备的信息,并以IEC61850-8-1标准发送到电力监控***中,智能网关机同时支持MODBUS、103等常规通信协议。
站级监控设备包括站级SCADA监控设备、打印机等设备,其用于实现站级遥控、遥测、遥调、遥视、数据采集、显示、处理等功能。
间隔层包括交流保护装置、直流保护装置、变压器温控器、整流器监控装置、交直流屏监控装置及其他非智能设备监控装置等;交流保护装置包括中压(如10kV或35kV)开关柜进线差动保护装置、中压(如10kV或35kV)开关柜出线差动保护装置、馈线综合测控保护装置;直流保护装置包括直流进线、馈线保护装置、负极框架保护装置、再生能馈保护装置、上网隔开智能终端等;交流保护装置、直流保护装置分别与MMS网络、GOOSE网络及IRIG-B网络相连;变压器温控器、整流器监控装置等与智能网关机1相连;交直流屏监控装置、其他非智能设备监控装置与智能网关机2相连。
中压开关柜进线、出线差动保护装置、馈线综合测控保护装置支持基于IEC61850协议的GOOSE、MMS通信,支持B码对时,通过GOOSE网络实现站间智能选跳;直流进线、馈线保护装置、负极框架保护装置、再生能馈保护装置、上网隔开智能终端支持基于IEC61850协议的GOOSE、MMS通信,支持B码对时,通过GOOSE网络实现站间智能联跳。
间隔层交流保护装置与直流保护装置之间可共享信息,相互配合,通过GOOSE网络实现交直流保护的网络选跳。
上网隔开智能终端用于直流上网隔离开关的控制,每站设置2台,每台上网隔开智能终端可完成3台隔离开关的控制,采用直流电源,通过以太网接入站控MMS网络,通过GOOSE交换机接入到GOOSE网中,实现直流牵引供电馈线的双边联跳,实现站内、站间上网隔离开关和直流开关、越区开关的智能联锁等功能,大幅度减少电缆的应用,提升***可靠性,提高维护的灵活性。
本领域的技术人员容易理解,以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。
Claims (10)
1.一种城市轨道交通智能变电站***,其特征在于,该***包括:
变电站站控层,其包括时钟同步装置、网络分析仪、GOOSE交换机、MMS交换机、第一智能网关机、第二智能网关机和站级监控设备,所述时钟同步装置与外部的IRIG-B网络连接,网络分析仪和GOOSE交换机分别与外部的GOOSE网络连接,MMS交换机分别与外部的MMS网络和站级监控设备连接,第一智能网关机和第二智能网关机分别与外部的MMS网络连接,其中,相邻变电站之间的时钟同步装置互连,相邻变电站之间的GOOSE交换机互连;
变电站间隔层,其包括交流保护装置、直流保护装置、变压器温控器、整流器监控装置和交直流屏监控装置;交流保护装置分别与外部的MMS网络、外部的GOOSE网络和外部的IRIG-B网络连接,直流保护装置分别与外部的MMS网络、外部的GOOSE网络和外部的IRIG-B网络连接,变压器温控器和整流器监控装置分别与对应变电站的第一智能网关机相连,交直流屏监控装置与对应变电站的第二智能网关机相连。
2.如权利要求1所述的一种城市轨道交通智能变电站***,其中,所述时钟同步装置用于获取进行交直流保护时钟同步的B码,其通过直流电源供电,在各车站内通过地面卫星接收装置或通信二级母钟接入站内时钟,并转换成IRIG-B信号。
3.如权利要求1所述的一种城市轨道交通智能变电站***,其中,所述时钟同步装置在站内通过双绞线与对应的交直流保护装置连接,相邻站之间的时钟同步装置通过光纤连接。
4.如权利要求1所述的一种城市轨道交通智能变电站***,其中,所述网络分析仪用于监控GOOSE交换机之间的网络通信,以实现网络通讯故障的告警,还用于记录对GOOSE交换机之间的网络通讯信息,以便于重现通讯过程及故障排查。
5.如权利要求1所述的一种城市轨道交通智能变电站***,其中,所述GOOSE交换机用于交直流保护装置之间的GOOSE通信,通过外部的GOOSE网络实现变电站之间的数据共享,以实现环网供电数字通信电流后备保护。
6.如权利要求1所述的一种城市轨道交通智能变电站***,其中,所述MMS交换机用于站内交直流保护装置、智能网关机、站级监控设备三者之间的通信。
7.如权利要求1所述的一种城市轨道交通智能变电站***,其中,所述智能网关机用于将变电站内的非智能设备接入到电力监控***中。
8.如权利要求1所述的一种城市轨道交通智能变电站***,其中,所述交流保护装置包括中压开关柜进线差动保护装置、中压开关柜出线差动保护装置和馈线综合测控保护装置中的一种或多种。
9.如权利要求1所述的一种城市轨道交通智能变电站***,其中,所述直流保护装置包括直流进线、馈线保护装置、负极框架保护装置、再生能馈保护装置和上网隔开智能终端中的一种或多种。
10.如权利要求1所述的一种城市轨道交通智能变电站***,其中,所述间隔层交流保护装置与直流保护装置之间通过外部的GOOSE网络实现交直流保护的网络选跳。
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CN114094551A (zh) * | 2021-11-23 | 2022-02-25 | 天津凯发电气股份有限公司 | 一种基于智能多端口控制器的保护***平滑接入方法 |
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CN114094551A (zh) * | 2021-11-23 | 2022-02-25 | 天津凯发电气股份有限公司 | 一种基于智能多端口控制器的保护***平滑接入方法 |
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