WO2014135015A1 - Network for online monitoring of power transformer at intelligent substation - Google Patents

Network for online monitoring of power transformer at intelligent substation Download PDF

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Publication number
WO2014135015A1
WO2014135015A1 PCT/CN2014/072515 CN2014072515W WO2014135015A1 WO 2014135015 A1 WO2014135015 A1 WO 2014135015A1 CN 2014072515 W CN2014072515 W CN 2014072515W WO 2014135015 A1 WO2014135015 A1 WO 2014135015A1
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WIPO (PCT)
Prior art keywords
monitoring
transformer
monitoring unit
online monitoring
current
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PCT/CN2014/072515
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French (fr)
Chinese (zh)
Inventor
林其友
王刘芳
高纪伟
丁国成
彭志权
朱太云
张昌丽
李涛
Original Assignee
国网安徽省电力公司芜湖供电公司
国家电网公司
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Priority to CN201310073809.2A priority Critical patent/CN103199621B/en
Priority to CN201310073809.2 priority
Application filed by 国网安徽省电力公司芜湖供电公司, 国家电网公司 filed Critical 国网安徽省电力公司芜湖供电公司
Publication of WO2014135015A1 publication Critical patent/WO2014135015A1/en

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/00006Circuit 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
    • H02J13/00016Circuit 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 a wired telecommunication network or a data transmission bus
    • H02J13/00017Circuit 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 a wired telecommunication network or a data transmission bus using optical fiber
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/00006Circuit 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
    • H02J13/00028Circuit 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 involving the use of Internet protocols
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/00032Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00034Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26Oils; viscous liquids; paints; inks
    • G01N33/28Oils, i.e. hydrocarbon liquids
    • G01N33/2835Oils, i.e. hydrocarbon liquids specific substances contained in the oil or fuel
    • G01N33/2841Oils, i.e. hydrocarbon liquids specific substances contained in the oil or fuel gas in oil, e.g. hydrogen in insulating oil
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/7838
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/16Electric power substations
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S40/00Systems 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
    • Y04S40/12Systems 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
    • Y04S40/124Systems 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

Abstract

A network for online monitoring of a power transformer at an intelligent substation, the network comprehensively taking into consideration all the current online monitoring items for a power transformer, including online monitoring of gas and micro-water dissolved in oil, online monitoring of sleeve pipes, online monitoring of winding optical fiber temperature measurement, online monitoring of local discharge, online monitoring of iron core grounding current, online monitoring of infrared temperature measurement, online monitoring of vibration, online monitoring of transformer load capacity, etc.; and comprehensively studying and specifying the basic configuration, technical parameters, etc. of each monitoring item. For the network for online monitoring of a power transformer at an intelligent substation, the technologies of online monitoring of a power transformer at an intelligent substation are studied in detail, the study covering the current monitoring principles and monitoring technology indicators of all transformer online monitoring units domestically available, and transformer load capacity monitoring units are proposed and applied for the first time, and the functions of online monitoring system software are studied in detail, thus establishing a complete set of normative technical standards of a power transformer online monitoring system for intelligent substations in the whole province.

Description

智能变电站电力变压器在线监测组网  Intelligent Substation Power Transformer Online Monitoring Network
技术领域 Technical field
本发明涉及电力系统监控系统, 特别涉及变电站电力变压器在线监测组 网。  The invention relates to a power system monitoring system, in particular to a substation power transformer online monitoring network.
背景技术 Background technique
目前全国范围内的电网无在线监测单元技术参数、 软硬件配置及系统功 能等进行完整、 系统的规范约束, 各个变电站内的变压器由站内进行监控, 无法从整体上把握辖区内每台变压器的工作状况, 以工作指令下达。  At present, the technical parameters, software and hardware configuration and system functions of the online monitoring unit in the nationwide grid are completely and systematically constrained. The transformers in each substation are monitored by the station, and the work of each transformer in the jurisdiction cannot be grasped as a whole. Status, issued by work order.
发明内容 Summary of the invention
本发明所要解决的技术问题是实现一种能够智能对辖区内各变电站内的 变压器进行在线监测的组网系统。  The technical problem to be solved by the present invention is to realize a networking system capable of intelligently monitoring the transformers in the substations in the jurisdiction.
为了实现上述目的, 本发明采用的技术方案为: 智能变电站电力变压器 在线监测组网, 变电站内的数据通信服务器与站内每个变压器内的监测单元 建立通信, 并与主站建立通信, 所述的监测单元由油中溶解气体及微水监测 单元、 套管监测单元、 绕组温度监测单元、 局部放电监测单元、 铁心电流监 测单元、 红外测温监测单元、 振动监测单元、 变压器增容监测单元中的一个 或多个构成。  In order to achieve the above object, the technical solution adopted by the present invention is: an intelligent substation power transformer online monitoring networking, the data communication server in the substation establishes communication with the monitoring unit in each transformer in the station, and establishes communication with the primary station, The monitoring unit is composed of a dissolved gas and micro water monitoring unit in the oil, a casing monitoring unit, a winding temperature monitoring unit, a partial discharge monitoring unit, a core current monitoring unit, an infrared temperature monitoring unit, a vibration monitoring unit, and a transformer capacity monitoring unit. One or more components.
每个所述的监测单元内设有包括传感器和 /或执行器、 以及智能组件, 所 述的传感器和 /或执行器是内置或外置于高压设备或其部件,所述的传感器与 智能组件之间由模拟信号电缆连接, 所述的执行器与智能组件之间由模拟信 号电缆或光纤网络连接,所述的智能组件是通过传感器 /执行器与电力变压器 形成有机整体, 输出相关的测量数据至数据通信服务器, 同时备份于内部存 储器内, 并输入控制命令至执行器。  Each of the monitoring units is provided with a sensor and/or an actuator, and a smart component, the sensor and/or the actuator being built or externally placed in a high voltage device or a component thereof, the sensor and the smart component Connected by an analog signal cable, the actuator and the smart component are connected by an analog signal cable or a fiber optic network, and the smart component is formed integrally with the power transformer through the sensor/actuator to output relevant measurement data. To the data communication server, back up to the internal memory and input control commands to the actuator.
所述的变电站内的数据通信服务器设有显示单元, 以及输入控制命令的 设备。  The data communication server in the substation is provided with a display unit and a device for inputting a control command.
利用智能变电站电力变压器在线监测组网的监控方法, 监控单元将采集 的信号进行监测数据汇集、 数据加工处理、 标准化数据通讯代理、 阈值比较、 监测预警;  The monitoring method of the online monitoring network of the intelligent substation power transformer is used, and the monitoring unit collects the collected data, processes the data, processes the standardized data communication agent, compares the threshold, and monitors the early warning;
其中, 油中溶解气体及微水监测单元将传感器周期性采集的 H2、 CO、 C02、 CH4、 C2H4、 C2H6、 C2H2和 H20利用色语法分析; among them, The dissolved gas and micro water monitoring unit in the oil analyzes the H2, CO, C02, CH4, C2H4, C2H6, C2H2 and H20 periodically collected by the sensor using color grammar;
套管监测单元利用穿芯式电流互感器周期性采集母线 TV电压、 母线 TV 谐波电压、 母线 V系统频率、 铁心电流;  The casing monitoring unit periodically collects the bus TV voltage, the bus TV harmonic voltage, the bus V system frequency, and the core current by using a through-core current transformer;
绕组温度监测单元利用温度传感器周期性采集变压器内部绕组, 以及其 他监测单元传感器工作时采集该部位温度;  The winding temperature monitoring unit periodically collects the internal winding of the transformer by using the temperature sensor, and collects the temperature of the part when the other monitoring unit sensor works;
局部放电监测单元利用超声波局部放电监测、 超高频局部放电监测或高 频局部放电监测实时采集变压器内放电状况;  The partial discharge monitoring unit uses ultrasonic partial discharge monitoring, ultra-high frequency partial discharge monitoring or high frequency partial discharge monitoring to collect the discharge state in the transformer in real time;
铁心电流监测单元周期性采集穿心电流互感器取样方式监测铁心接地线 上的电流;  The core current monitoring unit periodically collects the current sensing current sampling method to monitor the current on the iron grounding wire;
红外测温监测单元通过固定式红外监测装置, 实现温度的实时在线测量; 振动监测单元通过在变压器三相绕组的高压侧箱壁位置安装振动传感 器, 实时采集三相绕组的变压器外壳振动;  The infrared temperature monitoring unit realizes the real-time online measurement of temperature through the fixed infrared monitoring device; the vibration monitoring unit installs the vibration sensor at the high-voltage side wall of the three-phase winding of the transformer to collect the vibration of the transformer casing of the three-phase winding in real time;
变压器增容监测单元利用温度传感器周期性采集变压器油温及绕组温度 计算变压器的绕组寿命, 核算变压器过负荷运行能力;  The transformer capacity monitoring unit periodically collects the transformer oil temperature and the winding temperature by using a temperature sensor to calculate the winding life of the transformer and calculate the overload operation capability of the transformer;
上述各参数分别与预设安全要求阀值比对, 若在安全阀值范围内则输出 具体参数值至数据通信服务器, 若不在其内则输出具体参数值和报警信号至 数据通信服务器。  The above parameters are respectively compared with the preset safety requirement threshold. If the safety threshold value is within the range, the specific parameter value is output to the data communication server, and if not, the specific parameter value and the alarm signal are output to the data communication server.
本发明组网系统及其控制方法具有以下优点:  The networking system and the control method thereof of the invention have the following advantages:
1 ) 在线监测智能告警分析与辅助决策提示  1) Online monitoring of intelligent alarm analysis and assistant decision making
系统具有分层分类告警, 以不同颜色、 等級进行告警功能, 系统具有不 同颜色、 等級以及分层分类告警的功能, 提供在线监测智能告警窗, 告警时 窗口自动弹出, 在告警状态下窗口中提供相关的辅助决策。 根据包含历史数 据和各种异常案例的规则库 /专家库, 进行智能决策, 提示异常原因, 给出防 范和处理意见。  The system has hierarchical classification alarms, which perform alarm functions in different colors and levels. The system has different colors, levels, and hierarchical classification alarms. It provides online monitoring of intelligent alarm windows. The alarm window pops up automatically and is provided in the alarm status window. Related auxiliary decisions. Based on the rule base/expert library containing historical data and various exception cases, intelligent decision making is made, the cause of the abnormality is prompted, and the defense and treatment opinions are given.
2) 状态评价、 风险评估和健康水平智能分析  2) Status evaluation, risk assessment and intelligent analysis of health level
系统通过分析设备中心及监测中心提供的各种资料和信息, 根据部件扣 分规则和状态评价规则, 可以手动对变压器进行离线和在线的评价, 生成状 态评价 告。 系统也可以自动定期进行电力变压器状态评价, 评价内容和评 价周期可由用户自行设定。 By analyzing various information and information provided by the equipment center and the monitoring center, the system can manually and offlinely evaluate the transformer according to the component deduction rules and status evaluation rules, and generate a status evaluation report. The system can also automatically and periodically perform power transformer status evaluation, evaluation content and evaluation. The price cycle can be set by the user.
系统可结合状态评价结果、 变压器故障案例和相关历史资料信息, 从安 全、 运行、 成本等方面, 对变压器进行风险评估。 根据评估内容、 历史趋势 分析、 状态突变及越限程度, 判断变压器的健康水平。 健康水平分为四个等 級,分别是正常状态、 注意状态、 异常状态、 严重状态。  The system can combine the status evaluation results, transformer fault cases and related historical data to assess the risk of the transformer from safety, operation and cost. Judging the health of the transformer based on the content of the assessment, historical trend analysis, sudden changes in the state, and the extent of the violation. The health level is divided into four levels, which are normal state, attention state, abnormal state, and severe state.
3) 电量、 非电量信息同步显示  3) Simultaneous display of power and non-electricity information
系统应具备强大丰富的图形展示功能, 用户能够根据自己的需要对数据 的图形显示结果进行平移、 局部放大、 缩小以及定制显示效果等多种控制; 可显示电力变压器油中溶解气体及微水, 套管、 绕组温度、 局部放电、 铁心电流、 红外测温、 振动、 变压器增容等多项监测项目的监测数据值, 并 可提供趋势图、 棒图、 单一数据显示、 多数据同时显示等多种显示方式; 同 一变压器或不同变压器的电量、 非电量监测信息可以在同一个坐标图或表格 中显示比较。  The system should have powerful and rich graphic display functions. Users can display various results such as panning, partial enlargement, reduction and custom display effects according to their own needs. It can display dissolved gas and micro water in power transformer oil. Monitoring data values of casing, winding temperature, partial discharge, core current, infrared temperature measurement, vibration, transformer capacity increase, etc., and can provide trend graph, bar graph, single data display, multi-data simultaneous display, etc. Display mode; The power and non-electricity monitoring information of the same transformer or different transformers can be displayed in the same graph or table.
4) 多功能通讯方式与信息传送手段  4) Multi-functional communication method and information transmission means
在线监测系统不仅满足与本地电力变压器监测设备通讯功能, 还应满足 与远方网省(地市)及大监控中心状态监测系统通讯。通信规约满足 IEC61850 通信标准, 可以专线、 网络等方式进行信息传输。  The online monitoring system not only satisfies the communication function with the local power transformer monitoring equipment, but also meets the communication with the remote network state (prefecture) and the large monitoring center condition monitoring system. The communication protocol satisfies the IEC61850 communication standard, and information transmission can be carried out by means of a dedicated line or a network.
5) 可扩展性和二次开发功能  5) Scalability and secondary development functions
系统具有可扩展性和二次开发功能, 可接入的监测装置类型、 监视画面、 分析报表等不受限制; 同时系统的功能亦可扩充, 应用软件采用 SOA架构, 支持状态检测数据分析算法的添加、 删除、 修改操作, 能适应在线监测与运 行管理的不断发展。  The system has scalability and secondary development functions. The types of monitoring devices that can be accessed, monitoring screens, and analysis reports are not limited. At the same time, the functions of the system can be expanded. The application software adopts SOA architecture and supports state detection data analysis algorithms. Adding, deleting, and modifying operations can adapt to the continuous development of online monitoring and operation management.
附图说明 施例或现有技术描述中所需要使用的附图作简单地介绍, 显而易见地, 下面 描述中的附图仅仅是本发明的一些实施例, 对于本领域普通技术人员来讲, 在不付出创造性劳动的前提下, 还可以根据这些附图获得其他的附图。  BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are set forth in the description of the claims Other drawings may also be obtained from these drawings without the use of creative labor.
图 1 图 1为智能变电站电力变压器在线监测组网架构图;  Figure 1 Figure 1 is a network diagram of the online monitoring network of power substation power transformers;
图 2为智能变电站电力变压器在线监测组网改造架构图; 图 3为智能高級应用流程图。 Figure 2 is a structural diagram of the online monitoring and reconstruction of power substation power transformers; Figure 3 is a flow chart of the intelligent advanced application.
具体实施方式 detailed description
为了使本技术领域的人员更好地理解本发明实施例的方案, 下面结合附 图和实施方式对本发明实施例作进一步的详细说明。  The embodiments of the present invention are further described in detail below in conjunction with the drawings and embodiments.
参见图 1 可知, 智能变电站电力变压器在线监测组网分成三层构架, 顶 层为主站 1, 其主要用于总体监控, 一般设于辖区内总监控室内, 第二层为 数据通信服务器 2,其设于各个变电站内,用于采集本变电站内变压器 3监控 数据, 并将数据经网络输送至主站 1, 第三层为变电站内的各个变压器 3, 在 每个变压器 3 内部设有若干监控单元, 每个监控单元将其负责采集的数据输 送至本站内的数据通信服务器 2, 其采用 IEC61850通信标准与数据通信服务 器 2通信。  Referring to Figure 1, the intelligent substation power transformer online monitoring network is divided into three layers, the top layer is the main station 1, which is mainly used for overall monitoring, generally located in the total monitoring room within the jurisdiction, and the second layer is the data communication server 2, It is located in each substation to collect the monitoring data of the transformer 3 in the substation, and the data is transmitted to the main station 1 via the network. The third layer is each transformer 3 in the substation, and several monitoring units are arranged inside each transformer 3. Each monitoring unit delivers the data it is responsible for collecting to the data communication server 2 in the station, which communicates with the data communication server 2 using the IEC 61850 communication standard.
参见图 2可知, 对于改造的智能变电站, 考虑当前变压器各类监测单元 未统一采用 IEC61850通信标准,所以可在变压器 3配置综合监测单元 12 ,将 监控单元采集的数据统一转换为 IEC61850通信标准,发送至数据通信服务器 2。  Referring to Figure 2, for the modified intelligent substation, considering that the current transformer various monitoring units do not uniformly adopt the IEC61850 communication standard, the integrated monitoring unit 12 can be configured in the transformer 3, and the data collected by the monitoring unit is uniformly converted into the IEC61850 communication standard, and transmitted. To the data communication server 2.
每个变压器 3的监控单元可以选择的设有以下一个或多个单元, 包括油 中溶解气体及微水监测单元 4、 套管监测单元 5、 绕组温度监测单元 6、 局部 放电监测单元 7、 铁心电流监测单元 8、 红外测温监测单元 9、 振动监测单元 10、 变压器增容监测单元 11 , 每个监测单元包括传感器和 /或执行器、 一級智 能组件。传感器 /执行器是内置或外置于高压设备或其部件, 传感器与智能组 件之间通常由模拟信号电缆连接, 执行器与智能组件之间由模拟信号电缆或 光纤网络连接。智能组件是通过传感器 /执行器,与电力变压器形成有机整体, 实现相关的测量、 控制、 计量、 监测、 保护等全部或部分功能。 智能组件实 现变压器状态参数的自动采集、 信号调理、 模数转换盒数据的预处理功能, 实现监测参量的就地数字化和緩存。 同时备份采集的数据于内部存储器内, 且至少可以存储一周的数据。  The monitoring unit of each transformer 3 can be selected to have one or more of the following units, including dissolved gas and micro water monitoring unit 4 in oil, casing monitoring unit 5, winding temperature monitoring unit 6, partial discharge monitoring unit 7, core The current monitoring unit 8, the infrared temperature monitoring unit 9, the vibration monitoring unit 10, and the transformer capacity monitoring unit 11, each of which includes a sensor and/or an actuator, a first-level intelligent component. The sensor/actuator is built-in or externally placed in a high-voltage device or its components. The sensor and the smart component are usually connected by an analog signal cable, and the actuator and the smart component are connected by an analog signal cable or a fiber optic network. The intelligent component is integrated with the power transformer through the sensor/actuator to realize all or part of the functions of measurement, control, measurement, monitoring and protection. The intelligent component realizes automatic acquisition of transformer state parameters, signal conditioning, and preprocessing functions of analog-to-digital conversion box data, realizing local digitization and buffering of monitoring parameters. At the same time, the collected data is backed up in the internal memory, and at least one week of data can be stored.
下面就整个组网的配置通过下表详细说明:  The following is the detailed configuration of the entire network through the following table:
变电站 设备名 备注 设备功能 Substation Device name remark device function
Weigh
油中溶 包括传感 监测变压器油中溶解的 H2、 CO、 解气体及微 器和监测 子  Solubility in oil, including sensing, monitoring H2, CO, gas, and micro-processors and monitors dissolved in transformer oil
C〇2、 CH4、 C2H4、 C2H6、 C2H2 等气  C〇2, CH4, C2H4, C2H6, C2H2, etc.
水在线监测 IED Water online monitoring IED
体成分的含量和油中 H20含量。  The content of the body composition and the H20 content in the oil.
单元 Unit
包括传感 套管绝 监测套管的泄漏电流、 电容量、 介  Including the sensor casing, monitoring the leakage current, capacitance, and
器和监测 子 缘监测单元 损, 以测算套管的绝缘水平  And monitoring the edge monitoring unit damage to measure the insulation level of the casing
IED  IED
绕组光 包括传感 采用光纤温度传感器监测绕组的温 纤测温在线 器和监测 子 度  Winding light includes sensing temperature monitoring and monitoring of the windings using fiber optic temperature sensors
监测单元 IED Monitoring unit IED
超声波 包括超声 通过检测局部放电产生的超声波对 局部放电在 传感器和监测 变压器内部的局部放电进行检测和定位  Ultrasonic including ultrasound The detection and localization of partial discharges in the sensor and monitoring transformers by detecting ultrasonic waves generated by partial discharges
线监测单元 子 IED Line monitoring unit IED
包括超高 超高频 通过检测局部放电产生的超高频信  Including ultra high frequency, ultra high frequency, high frequency signal generated by detecting partial discharge
频局部放电传 局部放电在 号对变压器内部的局部放电进行检测和  Frequency partial discharge, partial discharge, detection of partial discharge inside the transformer
感器和监测子 线监测单元 定位  Sensor and monitoring line monitoring unit
IED  IED
包括高频 高频局  Including high frequency and high frequency
通过检测局部放电产生的 中电流 局部放电传感 部放电在线  Medium current generated by detecting partial discharge partial discharge sensing discharge online
信号, 对局部放电进行检测 器和监测 子 监测单元  Signal, detector and monitor for partial discharge
IED  IED
铁心接 包括传感 地电流在线 监测铁心和夹件的接地电流 器和监测 子 监测单元 IED  Core connection includes sensing ground current online monitoring core and clamp ground current and monitoring sub-monitoring unit IED
纟 夕卜; ¾ 包括传感 通过红外测温监测主变压器关键部 温在线监测 器和监测 子 位的温度  纟 ; ; ; ; ; ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄
单元 IED 变电站 Unit IED Substation
设备名 备注  Device name Remarks
设备功能  Device function
号 称 No.
变压器 监测变压器外壳的振动, 从而监测 包括传感 振动在线监 内部是否有绕组、 夹件等部件的松动缺 器和监测 子 测单元 陷 IED  The transformer monitors the vibration of the transformer casing, thereby monitoring whether there are loose parts and monitoring sub-units of the windings, clamps, etc. inside the sensor vibration online monitoring.
变压器 监测变压器油温及三相负载, 具有 包括传感 ί 增容在线监 温度越限告警功能, 核算变压器过负荷 器和监测 子 测单元 运行能力 IED 间隔层  Transformer monitors transformer oil temperature and three-phase load, including sensing ί capacity expansion online monitoring temperature over-limit alarm function, accounting transformer overload and monitoring sub-test unit operating capacity IED compartment
设备名 备注  Device name Remarks
设备功能  Device function
号 称 No.
实现被监测变压器设备相关监测装 主 IED 变压器  Implement monitoring equipment related monitoring equipment IED transformer
置的监测数据汇集、 数据加工处理、 标  Monitoring data collection, data processing, marking
综合监测单  Comprehensive monitoring list
准化数据通讯代理、 阈值比较、 监测预  Normalized data communication agent, threshold comparison, monitoring pre-
 Yuan
警等功能  Police and other functions
主站  Main site
设备名 备注  Device name Remarks
设备功能  Device function
号 称 No.
监测装置数据的采集, 站内数据的 主频: > 暂存和初步诊断,站内通信协议的统一, 2.93GHz。 通信系 对外提供统一的基于 IEC61850 的通信 内存: > 统服务器 接口, 站内数据同远方数据平台的通信 2G  Monitoring device data collection, the main frequency of the station data: > Temporary storage and initial diagnosis, unified communication protocol within the station, 2.93GHz. The communication system provides a unified IEC61850-based communication memory: > Server interface, communication between the station data and the remote data platform 2G
硬盘: > 200G  Hard disk: > 200G
局域网 在数据链路段之间转发分组的高速  LAN High speed for forwarding packets between data link segments
交换机 交换机  Switch
纵向力口 站内和远方数据中心隔离, 为上下 满足电力 变电站 The longitudinal force station is isolated from the remote data center to meet the power up and down. Substation
设备名 备注  Device name Remarks
设备功能  Device function
号 称  No.
密认证装置 級控制系统之间的广域网通信提供认证 二次安全防护 和加密服务 要求  Confidential authentication device WAN communication between level control systems provides authentication Secondary security protection and encryption services Requirements
数据远 一种高性能串行数据接口, 可靠性  Data far, a high performance serial data interface, reliability
传光纤通道 高、 速度快、 传输距离远。 支持 SCSI、  The Fibre Channel is high, fast, and has a long transmission distance. Support SCSI,
设备 ATM等上层数据传输协议  Upper layer data transmission protocol such as ATM
为主设备正常运行提供辅助功能 含状态在 站内辅  Provides auxiliary functions for the normal operation of the main equipment.
线监测屏、 电 助设备  Line monitoring screen, electric equipment
源和通信设备 利用智能变电站电力变压器在线监测组网的监控方法, 主要是利用各个 监控单元进行数据监测, 以便及时发现异常:  Source and communication equipment The monitoring method of on-line monitoring networking of intelligent substation power transformers is mainly to use various monitoring units for data monitoring to detect abnormalities in time:
监测单元由油中溶解气体及微水监测单元 4监测量状态量包括 H2、 CO、 C〇2、 CH4、 C2H4、 C2H6、 C2H2和 H20 , 检测原理要求采用色语法。 应能 根据气体组分和含量、 比值和增长率等进行故障诊断; 油中溶解气体及微水 监测单元 4采样时会在同一试验条件下对同一油样连续采样两次, 若监测结 果间的偏差 < 10%则认定数据有效, 否则认定无效并发出报警信号, 以确保 测量数据的稳定性与准确复性, 采样周期不大于 2h , 取油口耐受压力 >0.34MPa;  The monitoring unit is monitored by the dissolved gas in the oil and the micro water monitoring unit. The state quantity includes H2, CO, C〇2, CH4, C2H4, C2H6, C2H2 and H20. The detection principle requires color grammar. It should be able to diagnose faults according to gas composition and content, ratio and growth rate; when the dissolved gas and micro water monitoring unit 4 in the oil is sampled, the same oil sample will be sampled twice under the same test conditions, if the results are between the monitoring results. If the deviation is < 10%, the data is valid, otherwise it is invalid and an alarm signal is issued to ensure the stability and accurate renaturation of the measured data. The sampling period is not more than 2h, and the oil inlet pressure is >0.34MPa;
套管监测单元 5的电流取样采用穿芯式电流互感器,能够监测套管的泄 漏电流、 电容量、 介损, 传感器的安装不影响套管的安全运行, 其周期性采 集母线 TV电压、 母线 TV谐波电压、 母线 TV系统频率、 铁心电流, 采样周 期 < 5min;  The current sampling of the casing monitoring unit 5 adopts a core-type current transformer, which can monitor the leakage current, capacitance and dielectric loss of the casing. The installation of the sensor does not affect the safe operation of the casing, and periodically collects the bus voltage and busbar of the bus. TV harmonic voltage, bus TV system frequency, core current, sampling period < 5min;
绕组温度监测单元 6利用温度传感器周期性采集变压器内部绕组, 以及 其他监测单元传感器工作时采集该部位温度;  The winding temperature monitoring unit 6 periodically collects the internal winding of the transformer by using the temperature sensor, and collects the temperature of the part when the other monitoring unit sensor works;
局部放电监测单元 7根据监测原理不同, 可分为超声波局部放电监测、 超高频局部放电监测和高频局部放电监测三种。 超声波局部放电监测是通过 安装在变压器表面的超声波传感器监测变压器内部局部放电产生的超声波信 号, 从而监测变压器内部的局部放电, 要求能够测量局部放电超声信号的幅 值、 相位等信息。 并能够对局部放电源进行定位; 超高频局部放电监测是通 过安装在变压器放油阀或特殊设计的手孔上的超高频传感器, 接收局部放电 产生的超高频信号, 从而监测变压器内部的局部放电。 要求能够测量局部放 电超声信号的幅值、 相位等信息; 高频局部放电监测是通过安装在套管末屏 或变压器铁心夹件上的宽频带穿心电流传感器采集局部放电产生的脉冲电流 信号, 接收局部放电产生的超高频信号, 从而监测变压器内部的局部放电。 要求能够测量局部放电超声信号的幅值、 相位等信息。 并要求有相应的数据 算法, 能够排除设备运行环境中的各种噪声信号对测量的干扰。 从而实现实 时采集变压器内放电状况; The partial discharge monitoring unit 7 can be classified into three types: ultrasonic partial discharge monitoring, ultra-high frequency partial discharge monitoring, and high-frequency partial discharge monitoring according to different monitoring principles. Ultrasonic partial discharge monitoring is to monitor the ultrasonic signal generated by partial discharge inside the transformer through an ultrasonic sensor installed on the surface of the transformer. No., to monitor the partial discharge inside the transformer, it is required to be able to measure the amplitude, phase and other information of the partial discharge ultrasonic signal. And can locate the local discharge power; UHF partial discharge monitoring is through the UHF sensor installed on the transformer drain valve or specially designed hand hole, receiving the ultra-high frequency signal generated by partial discharge, thereby monitoring the internal of the transformer Partial discharge. It is required to be able to measure the amplitude, phase and other information of the partial discharge ultrasonic signal; the high-frequency partial discharge monitoring is to collect the pulse current signal generated by the partial discharge through a broadband through-current sensor installed on the end of the casing or the transformer core clamp. The UHF signal generated by the partial discharge is received to monitor the partial discharge inside the transformer. It is required to be able to measure the amplitude, phase and other information of the partial discharge ultrasonic signal. It also requires a corresponding data algorithm to eliminate interference from various noise signals in the operating environment of the device. Thereby realizing the real-time collection of the discharge condition in the transformer;
铁心电流监测单元 8采用穿心电流互感器取样方式监测铁心接地线上的 电流, 该传感器安装在铁心接地铜排上, 周期性采集铁心接地线上的电流, 最小监测周期不大于 lmin ;  The core current monitoring unit 8 uses the current-carrying current transformer sampling method to monitor the current on the iron core grounding line. The sensor is installed on the iron grounding copper row, and periodically collects the current on the iron core grounding line, and the minimum monitoring period is not more than lmin;
红外测温监测单元 9通过固定式红外监测装置, 实现温度的实时在线测 量, 具有监测区域设置, 定时自动巡检等功能, 实现温度的实时在线测量; 振动监测单元 10通过在变压器三相绕组的高压侧箱壁位置安装振动传感 器, 测得三相绕组的变压器外壳振动, 可以进行变压器振动波谱分析, 具有 数据存储、 历史数据对比分析功能。 振动监测常采用压电式加速度传感器或 速度传感器, 安装在变压器铁壳外, 实时采集三相绕组的变压器外壳振动; 变压器增容监测单元 11利用温度传感器周期性采集变压器油温及绕组温 度, 用来监测变压器油温及绕组温度, 具有温度越限告警功能, 同时推算变 压器绕组的损耗, 计算变压器的绕组寿命, 核算变压器过负荷运行能力等相 关功能通。  The infrared temperature monitoring unit 9 realizes real-time online measurement of temperature through a fixed infrared monitoring device, and has functions such as monitoring area setting and timing automatic inspection to realize real-time online measurement of temperature; the vibration monitoring unit 10 passes through the three-phase winding of the transformer. A vibration sensor is installed at the position of the high-pressure side wall, and the vibration of the transformer casing of the three-phase winding is measured, and the vibration spectrum analysis of the transformer can be performed, and the data storage and historical data comparison analysis functions are available. Vibration monitoring often uses piezoelectric acceleration sensor or speed sensor, installed outside the transformer iron shell, real-time acquisition of three-phase winding transformer shell vibration; transformer capacity monitoring unit 11 uses temperature sensor to periodically collect transformer oil temperature and winding temperature, To monitor transformer oil temperature and winding temperature, with temperature over-limit alarm function, at the same time estimate transformer winding losses, calculate transformer winding life, calculate transformer overload operation capability and other related functions.
以上各个监控单元采集的参数分别与预设安全要求阀值 (根据电力系统 安全标准制定) 比对, 若在安全阀值范围内则输出具体参数值至数据通信服 务器 2, 若不在其内则输出具体参数值和报警信号至数据通信服务器 2。  The parameters collected by each of the above monitoring units are respectively compared with the preset safety requirement threshold (according to the power system safety standard). If the safety threshold value is within the range, the specific parameter value is output to the data communication server 2, and if not, the output is output. Specific parameter values and alarm signals are sent to the data communication server 2.
监控系统发出警报后, 按照如图 3所述的智能高級应用流程图进行警报 监控和消除, 具体的说, 首选各个监控单元采集将采集数据与预设安全要求 阀值比对, 检测有无数据越限, 若无则等待下次采用与比对, 若有则根据规 则数据库进行数据分析, 发出越限告警, 并发出相应的告警級别, 同时提示 异常原因, 并从数据库中导出规范和处理意见, 此时等待工作人员处理, 若 工作人员进行消缺, 则告警消除, 若无则持续告警。 After the monitoring system issues an alarm, the alarm is monitored and eliminated according to the intelligent advanced application flow chart as shown in Figure 3. Specifically, each monitoring unit is preferred to compare the collected data with a preset safety requirement threshold to detect the presence or absence of data. If it is not, then wait for the next adoption and comparison, if any, according to the rules The database performs data analysis, issues a violation alarm, and issues a corresponding alarm level, and prompts the cause of the abnormality, and derives the specification and processing opinions from the database. At this time, the staff waits for the processing, and if the staff performs the defect, the alarm is generated. Eliminate, if not, continue to alarm.
本发明组网支持人工召唤和定时自动轮询两种方式采集监测数据, 连续 或周期性监测、 记录被监测设备状态的参数, 及时有效地跟踪设备的状态变 化, 监测装置的信号采集方式不得影响变压器的接线和接地方式, 不影响安 全运行。 监测装置的数据采集周期可以通过现场和远程方式自行设定, 在线 监测系统的采样周期也可由用户自行设定。  The network of the invention supports manual summoning and timed automatic polling to collect monitoring data, continuously or periodically monitors and records the parameters of the monitored device state, and timely and effectively tracks the state change of the device, and the signal collecting mode of the monitoring device must not be affected. The wiring and grounding of the transformer does not affect safe operation. The data collection cycle of the monitoring device can be set by the site and remotely. The sampling period of the online monitoring system can also be set by the user.
组网建立有统一的数据库, 进行时间序列存盘, 实现在线数据的集中管 理。 存储变压器的设备参数、 试验报告、 说明书、 图紙等原始资料, 以及历 史监测数据(数据列表和一次图)、 告警信息等。 历史监测数据和原始图库可 以保存 10年。 具有基本资料查询功能。 通过数据库, 用户可以对变压器设备 有全面的了解。  The network has a unified database, which saves time series and implements centralized management of online data. Raw materials such as equipment parameters, test reports, instructions, drawings, etc. of the storage transformer, as well as historical monitoring data (data list and primary map), alarm information, etc. Historical monitoring data and original gallery can be saved for 10 years. Has basic data query function. Through the database, users can have a comprehensive understanding of transformer equipment.
组网还具有人性化的人机界面, 操作简单, 便于运用。 可以查询查看实 时最新的和历史的监测数据、 表格、 趋势曲线、 告警信息 状态评价结果和风 险评估结果、 设备参数、 历史资料等信息。 提供态监测数据及分析结果发布 平台, 包括图形、 曲线、 报表等数据发布工具, 如在变电站内的数据通信服 务器 2还可以设置显示单元, 以及输入控制命令的设备。  The networking also has a human-machine interface, which is easy to operate and easy to use. You can query the latest and historical monitoring data, tables, trend curves, alarm status status evaluation results and risk assessment results, equipment parameters, historical data and other information. Provides monitoring data and analysis result publishing platform, including data publishing tools such as graphics, curves, reports, etc., such as the data communication server in the substation 2 can also set the display unit, and the device that inputs the control command.
建立本发明组网在满足电力二次安全防护条件下, 可通过远程登录实现 系统异地维护、 升級、 故障诊断和排除等工作; 具有信息共享功能, 不同用 户可根据其权限获得相应的信息资源。  The network of the present invention can realize the maintenance, upgrade, fault diagnosis and elimination of the system by remote login under the condition of secondary power protection of the power; and has the information sharing function, and different users can obtain corresponding information resources according to their rights.
上面结合附图对本发明进行了示例性描述, 显然本发明具体实现并不受 上述方式的限制, 只要采用了本发明的方法构思和技术方案进行的各种非实 质性的改进,或未经改进将本发明的构思和技术方案直接应用于其它场合的, 均在本发明的保护范围之内。  The present invention has been exemplarily described with reference to the drawings, and it is obvious that the present invention is not limited to the above-described manner, as long as various insubstantial improvements, or unimproved, of the method concept and technical solution of the present invention are employed. The concept and technical solution of the present invention are directly applied to other occasions, and are all within the scope of the present invention.
通过以上的实施方式的描述可知, 本领域的技术人员可以清楚地了解到 上述实施例方法中的全部或部分步驟可借助软件加必需的通用硬件平台的方 式来实现。 基于这样的理解, 本发明的技术方案本质上或者说对现有技术做 出贡献的部分可以以软件产品的形式体现出来, 该计算机软件产品可以存储 在存储介质中, 如 ROM/RAM、 磁碟、 光盘等, 包括若干指令用以使得一台 计算机设备 (可以是个人计算机, 服务器, 或者诸如媒体网关等网络通信设 备, 等等) 执行本发明各个实施例或者实施例的某些部分所述的方法。 实施例之间相同相似的部分互相参见即可, 每个实施例重点说明的都是与其 他实施例的不同之处。 尤其, 对于设备及系统实施例而言, 由于其基本相似 于方法实施例, 所以描述得比较简单, 相关之处参见方法实施例的部分说明 即可。 以上所描述的设备及系统实施例仅仅是示意性的, 其中作为分离部件 是或者也可以不是物理单元, 即可以位于一个地方, 或者也可以分布到多个 网络单元上。 可以根据实际的需要选择其中的部分或者全部模块来实现本实 施例方案的目的。 本领域普通技术人员在不付出创造性劳动的情况下, 即可 以理解并实施。 It can be clearly understood by those skilled in the art that all or part of the steps in the foregoing embodiment may be implemented by means of software plus a necessary general hardware platform. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, can be embodied in the form of a software product that can be stored. In a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., includes instructions for causing a computer device (which may be a personal computer, a server, or a network communication device such as a media gateway, etc.) to perform various aspects of the present invention The method described in the examples or parts of the examples. The same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the device and the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the description of the method embodiment. The apparatus and system embodiments described above are merely illustrative, and may or may not be physical units as separate components, ie may be located in one place, or may be distributed over multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without any creative effort.
以上所述仅为本发明的较佳实施例而已, 并非用于限定本发明的保护范 围。 凡在本发明的精神和原则之内所作的任何修改、 等同替换、 改进等, 均 包含在本发明的保护范围内。  The above description is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Any modifications, equivalents, improvements, etc. made within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims

权 利 要 求 Rights request
1、 智能变电站电力变压器在线监测组网, 其特征在于: 变电站内的数据 通信服务器 (2) 与站内每个变压器 (3) 内的监测单元建立通信, 并与主站 1. Intelligent substation power transformer online monitoring network, characterized by: The data communication server in the substation (2) establishes communication with the monitoring unit in each transformer (3) in the station, and communicates with the main station.
( 1 ) 建立通信, 所述的监测单元由油中溶解气体及微水监测单元 (4)、 套管 监测单元 (5)、 绕组温度监测单元 (6)、 局部放电监测单元 (7)、 铁心电流 监测单元 (8)、 红外测温监测单元 (9)、 振动监测单元 (10)、 变压器增容监 测单元 (11 ) 中的一个或多个构成。 (1) Establish communication, the monitoring unit consists of dissolved gas and micro water monitoring unit (4) in oil, casing monitoring unit (5), winding temperature monitoring unit (6), partial discharge monitoring unit (7), iron core One or more of a current monitoring unit (8), an infrared temperature monitoring unit (9), a vibration monitoring unit (10), and a transformer capacity monitoring unit (11).
2、 根据权利要求 1所述的智能变电站电力变压器在线监测组网, 其特征 在于: 每个所述的监测单元内设有包括传感器和 /或执行器、 以及智能组件, 所述的传感器和 /或执行器是内置或外置于高压设备或其部件,所述的传感器 与智能组件之间由模拟信号电缆连接, 所述的执行器与智能组件之间由模拟 信号电缆或光纤网络连接,所述的智能组件是通过传感器 /执行器与电力变压 器形成有机整体, 输出相关的测量数据至数据通信服务器 (2), 同时备份于 内部存储器内, 并输入控制命令至执行器。  2. The intelligent substation power transformer online monitoring networking according to claim 1, wherein: each of the monitoring units is provided with a sensor and/or an actuator, and a smart component, and the sensor and/or Or the actuator is built-in or externally placed in a high-voltage device or a component thereof, and the sensor and the smart component are connected by an analog signal cable, and the actuator and the smart component are connected by an analog signal cable or a fiber optic network. The intelligent component is formed integrally with the power transformer through the sensor/actuator, and outputs relevant measurement data to the data communication server (2), and is backed up in the internal memory, and inputs a control command to the actuator.
3、 根据权利要求 1或 2所述的智能变电站电力变压器在线监测组网, 其 特征在于: 所述的变电站内的数据通信服务器 (2) 设有显示单元, 以及输入 控制命令的设备。  3. The intelligent substation power transformer online monitoring networking according to claim 1 or 2, wherein: the data communication server (2) in the substation is provided with a display unit and a device for inputting a control command.
4、 智能变电站电力变压器在线监测组网改造方法, 其特征在于: 每个变 压器 (3) 内安装变压器综合监测单元 (12) , 其接收变压器内监测单元采集 的信号, 并将信号处理后输送至站内的数据通信服务器 (2), 所述的数据通 信服务器 (2) 将站内所有变压器信号输送至主站 (1)。  4. The intelligent substation power transformer online monitoring network transformation method is characterized in that: each transformer (3) is equipped with a transformer integrated monitoring unit (12), which receives the signal collected by the monitoring unit in the transformer, and processes the signal to be processed and sent to A data communication server (2) in the station, the data communication server (2) transmits all transformer signals in the station to the primary station (1).
5、 利用智能变电站电力变压器在线监测组网的监控方法, 其特征在于: 监测单元将采集的信号进行监测数据汇集、 数据加工处理、 标准化数据通讯 代理、 阈值比较、 监测预警;  5. The monitoring method of the online monitoring network of the intelligent substation power transformer is characterized in that: the monitoring unit performs monitoring data collection, data processing and processing, standardized data communication proxy, threshold comparison, monitoring and early warning;
其中,  among them,
油中溶解气体及微水监测单元(4)将传感器周期性采集的 H2、 CO、 C02、 CH4、 C2H4、 C2H6、 C2H2和 H20利用色语法分析;  The dissolved gas and micro water monitoring unit in the oil (4) analyzes the H2, CO, C02, CH4, C2H4, C2H6, C2H2 and H20 periodically collected by the sensor using color grammar;
套管监测单元 (5) 利用穿芯式电流互感器周期性采集母线 TV电压、 母 线 TV谐波电压、 母线 TV系统频率、 铁心电流; 绕组温度监测单元 (6) 利用温度传感器周期性采集变压器内部绕组, 以 及其他监测单元传感器工作时采集该部位温度; The casing monitoring unit (5) periodically collects the bus TV voltage, the bus TV harmonic voltage, the bus TV system frequency, and the core current by using a through-core current transformer; The winding temperature monitoring unit (6) periodically collects the internal winding of the transformer by using a temperature sensor, and collects the temperature of the part when the sensors of other monitoring units work;
局部放电监测单元 (7) 利用超声波局部放电监测、 超高频局部放电监测 或高频局部放电监测实时采集变压器内放电状况;  Partial discharge monitoring unit (7) Real-time collection of discharge conditions in the transformer by ultrasonic partial discharge monitoring, ultra-high frequency partial discharge monitoring or high-frequency partial discharge monitoring;
铁心电流监测单元(8) 周期性采集穿心电流互感器取样方式监测铁心接 地线上的电流;  The core current monitoring unit (8) periodically collects the current through the current transformer sampling mode to monitor the current on the core ground;
红外测温监测单元 (9) 通过固定式红外监测装置, 实现温度的实时在线 测量;  Infrared temperature monitoring unit (9) Real-time online measurement of temperature through a fixed infrared monitoring device;
振动监测单元 (10) 通过在变压器三相绕组的高压侧箱壁位置安装振动 传感器, 实时采集三相绕组的变压器外壳振动;  Vibration monitoring unit (10) Real-time acquisition of the vibration of the transformer casing of the three-phase winding by installing a vibration sensor at the high-pressure side wall of the three-phase winding of the transformer;
上述各参数分别与预设安全要求阀值比对, 若在安全阀值范围内则输出 具体参数值至数据通信服务器 (2), 若不在其内则输出具体参数值和报警信 号至数据通信服务器 (2)。  The above parameters are respectively compared with the preset safety requirement threshold. If the safety threshold value is within the range, the specific parameter value is output to the data communication server (2), and if not, the specific parameter value and the alarm signal are output to the data communication server. (2).
6、 才艮据权利要求 5所述的监控方法, 其特征在于: 所述的监测单元还包 括变压器增容监测单元(11 ) , 其利用温度传感器周期性采集变压器油温及绕 组温度、 环境湿度, 同时利用电流传感器采集变压器三相负载电流, 按照现 场运行经验公式, 计算变压器的绕组寿命, 核算变压器过负荷运行能力及运 行时间长短。  6. The monitoring method according to claim 5, wherein: the monitoring unit further comprises a transformer capacity monitoring unit (11), which uses the temperature sensor to periodically collect the transformer oil temperature, the winding temperature, and the ambient humidity. At the same time, the current sensor is used to collect the three-phase load current of the transformer. According to the field operation experience formula, the winding life of the transformer is calculated, and the overload operation capacity and the running time of the transformer are calculated.
7、 根据权利要求 5或 6所述的监控方法, 其特征在于: 油中溶解气体及 微水监测单元 (4) 采样时会在同一试验条件下对同一油样连续采样两次, 若 监测结果间的偏差 < 10%则认定数据有效, 否则认定无效并发出报警信号。  7. The monitoring method according to claim 5 or 6, characterized in that: the dissolved gas in the oil and the micro water monitoring unit (4) sample the same oil sample twice under the same test condition, if the monitoring result If the deviation is < 10%, the data is valid, otherwise it is invalid and an alarm signal is issued.
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CN103199621A (en) * 2013-03-07 2013-07-10 安徽省电力公司芜湖供电公司 On-line monitoring networking of power transformer of intelligent substation
CN203218981U (en) * 2013-03-07 2013-09-25 安徽省电力公司芜湖供电公司 Online monitoring networking for power transformers of intelligent transformer station

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CN105137308A (en) * 2015-09-22 2015-12-09 国网山东东营市东营区供电公司 Electric power equipment insulation integrated online monitoring system
CN105651403A (en) * 2016-01-15 2016-06-08 江苏省电力公司电力科学研究院 Transformer winding optical fiber temperature controller conjunction box
FR3097647A1 (en) 2019-06-24 2020-12-25 Idef Systemes protection and / OR monitoring device and process for an electric transformer of the liquid dielectric type enclosed in a hermetic tank
FR3097697A1 (en) 2019-06-24 2020-12-25 Idef Systemes protection and / OR monitoring device and process for an electric transformer of the liquid dielectric type enclosed in a hermetic tank
EP3758180A1 (en) 2019-06-24 2020-12-30 IDEF Systemes Device and method for protecting and/or for monitoring an electrical transformer of the type with liquid dielectric contained in a sealed tank

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CN103199621A (en) 2013-07-10
CA2903912A1 (en) 2014-09-12
CA2903912C (en) 2018-02-20

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