CN102937685B - The integrated testing platform of a kind of transformer station based on Real-time Simulation Technology - Google Patents

The integrated testing platform of a kind of transformer station based on Real-time Simulation Technology Download PDF

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CN102937685B
CN102937685B CN201210531939.1A CN201210531939A CN102937685B CN 102937685 B CN102937685 B CN 102937685B CN 201210531939 A CN201210531939 A CN 201210531939A CN 102937685 B CN102937685 B CN 102937685B
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goose
real
main transformer
protection
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CN102937685A (en
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沈冰
周健
庄黎明
曾平
周德生
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State Grid Corp of China SGCC
Shanghai Municipal Electric Power Co
East China Power Test and Research Institute Co Ltd
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Shanghai Municipal Electric Power Co
East China Power Test and Research Institute Co Ltd
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Abstract

一种变电站用基于实时仿真技术的一体化测试平台,数据网板卡通过电缆接线分别与合并单元模块和智能终端模块连接,合并单元模块通过采样值专用光纤分别和报文记录分析与回放装置、数字化测控装置和主变保护模块连接,智能终端模块通过GOOSE光纤分别和报文记录分析与回放装置、数字化测控装置和主变保护模块连接,报文记录分析与回放装置、数字化测控装置和主变保护模块再通过监控信息交换机与监控后台及保护子站连接。本发明以实时仿真系统为基础,通过设置的合并单元模块、智能终端模块对间隔层、站控层设备进行信号控制及传递,构成了一套完整的智能化试验平台,其检测结果准确有效,适用于各种智能电网的变电站的模拟测试领域。

An integrated test platform based on real-time simulation technology for substations. The data network card is connected to the merging unit module and the intelligent terminal module respectively through cable connections. The merging unit module is respectively connected to the message recording analysis and playback device, The digital measurement and control device is connected to the main transformer protection module, the intelligent terminal module is respectively connected to the message recording analysis and playback device, the digital measurement and control device and the main transformer protection module through the GOOSE optical fiber, the message recording analysis and playback device, the digital measurement and control device and the main transformer The protection module is connected with the monitoring background and the protection sub-station through the monitoring information exchange. Based on the real-time simulation system, the present invention controls and transmits signals to the interval layer and station control layer equipment through the set merging unit module and intelligent terminal module to form a complete set of intelligent test platform, and its detection results are accurate and effective. It is suitable for the simulation test field of substations of various smart grids.

Description

一种变电站用基于实时仿真技术的一体化测试平台An integrated test platform based on real-time simulation technology for substations

技术领域technical field

本发明涉及一种模拟测试装置,尤其涉及一种应用于变电站用的采用实时仿真技术的模拟仿真装置。The invention relates to a simulation test device, in particular to a simulation device using real-time simulation technology used in substations.

背景技术Background technique

随着现代化建设的日益发展,与其配套建设的智能电网技术也日新月异,其中,对智能电网的变电站的要求也越来越高,非但要能确保实时全面的信息采集和可靠准确的命令执行,而且随着变电站信息化、自动化程度的显著和普遍提升和逐步成形,能够充分实现高级调度中心的指令作用,提升执行能力,使整个电网逐步形成坚强、自愈、灵活等特性,逐步发展成为智能电网。With the increasing development of modernization, the smart grid technology for its supporting construction is also changing with each passing day. Among them, the requirements for the substation of the smart grid are getting higher and higher, not only to ensure real-time and comprehensive information collection and reliable and accurate command execution, but also With the significant and general improvement and gradual formation of substation informatization and automation, the command function of the advanced dispatching center can be fully realized, the execution ability can be improved, and the entire power grid can gradually form characteristics such as strong, self-healing, and flexible, and gradually develop into a smart grid. .

伴随着变电站的建设,逐步具备驾驭复杂大电网的能力和可能。变电站需要就有众多控制功能,包括电力分配优化、在线分析、事故的预警、紧急情况的处置、事后的恢复等等都依赖于智能电网的科学且迅速的决策,而智能电网的决策首先需要及时、充分的电网信息,而智能变电站将承担采集电网各类实时、非实时信息,按照暂态、动态、静态的分类和传输要求送往智能电网。另一方面,智能电网决策的执行力和执行效率很大程度也落在智能变电站,各项控制的最终实现绝大部分需要由智能变电站完成。With the construction of substations, it gradually has the ability and possibility to control complex large power grids. Substations need many control functions, including power distribution optimization, online analysis, early warning of accidents, emergency handling, post-event recovery, etc., all rely on the scientific and rapid decision-making of the smart grid, and the decision-making of the smart grid first requires timely , sufficient power grid information, and the smart substation will be responsible for collecting various real-time and non-real-time information of the power grid, and send it to the smart grid according to the classification and transmission requirements of transient, dynamic and static. On the other hand, the execution power and execution efficiency of smart grid decision-making also largely fall on the smart substation, and most of the final realization of various controls needs to be completed by the smart substation.

综上所述,变电站的运行情况的测试是整个变电站能安全有效运行的基础,而现缺乏一种行之有效的测试方法,非但能对变电站的各种电力设备的模型进行组合、配置,能够实时的对电力系统的各种工况行仿真的装置,且能将产生的信号量放大成实际控制、保护系统能够测量到的电压和电流量,并通过开关量与外界控制系统进行交互。To sum up, the test of the operation of the substation is the basis for the safe and effective operation of the entire substation, but there is currently a lack of an effective test method that can not only combine and configure the models of various power equipment in the substation, but also can It is a device that simulates various working conditions of the power system in real time, and can amplify the generated signal into the voltage and current that can be measured by the actual control and protection system, and interact with the external control system through the switch.

发明内容Contents of the invention

为了解决现有技术下的变电站的运行情况的测试所存在的问题,本发明提供了一种变电站用基于实时仿真技术的一体化测试平台,该测试平台的系统基础是实时仿真系统。实时仿真系统通过提供了各种电力设备的模型,通过将这些模型进行组合、配置,能够实时的对电力系统的各种工况行仿真,能够进行640个电气节点的实时仿真计算,通过配备的功率放大器,实时仿真系统可以将产生的信号量放大成实际控制、保护系统能够测量到的电压和电流量,并通过开关量与外界控制系统进行交互。本发明的具体结构如下所述:In order to solve the problems existing in the test of the operation status of the substation in the prior art, the present invention provides an integrated test platform based on real-time simulation technology for the substation. The system basis of the test platform is a real-time simulation system. The real-time simulation system provides models of various power equipment, and by combining and configuring these models, it can simulate various working conditions of the power system in real time, and can perform real-time simulation calculations for 640 electrical nodes. Power amplifier, the real-time simulation system can amplify the generated signal into the voltage and current that can be measured by the actual control and protection system, and interact with the external control system through the switch. Concrete structure of the present invention is as follows:

一种变电站用基于实时仿真技术的一体化测试平台,包括用于实时仿真系统的具有信息输入输出和采样值传递功能的数据网板卡,其特征在于:An integrated test platform based on real-time simulation technology for substations, including a data network card with functions of information input and output and sampled value transmission for a real-time simulation system, characterized in that:

所述的数据网板卡通过电缆接线分别与合并单元模块和智能终端模块连接;The data network board is respectively connected to the merging unit module and the intelligent terminal module through cable connection;

数据网板卡提供了对采样值数据品质字的测试功能,即在仿真过程中,可以动态的改变每一路采样值数据的品质字,还可以选择是否要在采样值数据帧中设置采样率。The data network board provides the test function of the quality word of the sampling value data, that is, during the simulation process, the quality word of each sampling value data can be dynamically changed, and it is also possible to choose whether to set the sampling rate in the sampling value data frame.

所述的合并单元模块通过采样值专用光纤分别和报文记录分析与回放装置、数字化测控装置和主变保护模块连接;The merging unit module is respectively connected with the message recording analysis and playback device, the digital measurement and control device and the main transformer protection module through the special optical fiber for the sampling value;

所述的智能终端模块通过GOOSE光纤分别和报文记录分析与回放装置、数字化测控装置和主变保护模块连接;The intelligent terminal module is respectively connected with the message recording analysis and playback device, the digital measurement and control device and the main transformer protection module through the GOOSE optical fiber;

上述的GOOSE为GenericObjectOrientedSubstationEvent的缩写,即为“面向通用对象的变电站事件”。The above-mentioned GOOSE is the abbreviation of GenericObjectOrientedSubstationEvent, that is, "generic object-oriented substation event".

上述的报文记录分析与回放装置具有以下功能:电压电流波形记录功能、二次设备动作行为记录功能、波形分析功能和异常报警功能。The above message recording analysis and playback device has the following functions: voltage and current waveform recording function, secondary equipment action behavior recording function, waveform analysis function and abnormal alarm function.

上述的数字化测控装置实现了一个间隔的三态数据采集和控制,该装置既完成稳态数据采集、状态信号采集、遥控操作、同期操作、刀闸控制、防误闭锁操作等常规远动功能,又实现同步相量采集计算、故障录波功能、电能质量功能等。进行标准化,实现数据共享,是多功能间隔层智能电子设备。The above-mentioned digital measurement and control device realizes an interval of three-state data acquisition and control. The device not only completes the conventional telecontrol functions such as steady-state data acquisition, state signal acquisition, remote control operation, synchronous operation, knife switch control, and anti-misoperation locking operation, It also realizes synchrophasor acquisition and calculation, fault recording function, power quality function, etc. It is a multi-functional compartment layer intelligent electronic device for standardization and data sharing.

上述的主变保护模块的变压器保护的原理在现场已经成功应用近十年时间,适用于110kV及其以上电压等级各种接线方式的变压器。该装置可支持电子式互感器和常规互感器,支持电力行业通讯标准DL/T667-1999(IEC60870-5-103)和新一代变电站通讯标准IEC61850,支持GOOSE输入和输出功能,并支持分布式保护配置模式。The above-mentioned transformer protection principle of the main transformer protection module has been successfully applied in the field for nearly ten years, and is suitable for transformers with various wiring modes of 110kV and above voltage levels. The device can support electronic transformers and conventional transformers, support the power industry communication standard DL/T667-1999 (IEC60870-5-103) and the new generation substation communication standard IEC61850, support GOOSE input and output functions, and support distributed protection configuration mode.

所述的报文记录分析与回放装置、数字化测控装置和主变保护模块再通过监控信息交换机与监控后台及保护子站连接。The message recording analysis and playback device, the digital measurement and control device and the main transformer protection module are connected to the monitoring background and the protection sub-station through the monitoring information switch.

上述的监控后台是针对变电站对外的远动功能而开发的一种通信控制器,用于收集全站测控单元、保护装置以及智能电子设备的数据,经规约转换后以IEC60870-5-101、IEC60870-5-104、部颁CDT、MODBUS等规约通过模拟通道、数字通道或网络向调度端/集控站传送,同时接收调度端/集控站的遥控、遥调命令向变电站设备转发。The above-mentioned monitoring background is a communication controller developed for the external telecontrol function of the substation. It is used to collect the data of the whole station measurement and control unit, protection device and intelligent electronic equipment. -5-104, Ministerial CDT, MODBUS and other protocols are transmitted to the dispatching end/centralized control station through analog channels, digital channels or networks, and at the same time receive remote control and remote adjustment commands from the dispatching end/centralized control station and forward them to substation equipment.

上述的保护子站用于多种继电保护装置及其它装置与保护信息主站、继保工程师站之间的通信转接及规约转换。保护子站通过多种类型的标准通信接口来沟通保护、数据采集和故障录波器等装置与保护信息主站或继保工程师站系统之间的信息联系,并对保护信息、故障波形加以保存,以供历史查询和故障分析之用。保护子站支持多种通信规约,不仅能够与智能化保护、录波器通信,还能够兼容常规保护。The protection sub-station mentioned above is used for communication transfer and protocol conversion between various relay protection devices and other devices, protection information master station and relay protection engineer station. The protection sub-station communicates the information connection between the protection, data acquisition, fault recorder and other devices with the protection information master station or relay protection engineer station system through various types of standard communication interfaces, and saves the protection information and fault waveforms , for historical query and fault analysis. The protection substation supports a variety of communication protocols, and can not only communicate with intelligent protection and wave recorders, but also be compatible with conventional protection.

根据本发明的一种变电站用基于实时仿真技术的一体化测试平台,所述的合并单元模块包括模拟电压信号采集装置、模拟采样值交换机和1588时钟同步模块,其中模拟电压信号采集装置的一端通过电缆接线与数据网板卡连接,模拟电压信号采集装置的另一端将其模拟电压信号传递至模拟采样值交换机,该模拟采样值交换机再通过采样值专用光纤将信号传递给报文记录分析与回放装置、数字化测控装置和主变保护模块,而1588时钟同步模块则与模拟采样值交换机连接并对其进行时钟同步控制。According to an integrated test platform for a substation based on real-time simulation technology of the present invention, the merging unit module includes an analog voltage signal acquisition device, an analog sampling value switch, and a 1588 clock synchronization module, wherein one end of the analog voltage signal acquisition device passes through The cable connection is connected with the data network card, and the other end of the analog voltage signal acquisition device transmits its analog voltage signal to the analog sampling value switch, and the analog sampling value switch transmits the signal to the message record analysis and playback through the special optical fiber for sampling value device, digital measurement and control device and main transformer protection module, while the 1588 clock synchronization module is connected with the analog sampling value switch and performs clock synchronization control on it.

根据本发明的一种变电站用基于实时仿真技术的一体化测试平台,所述的模拟电压信号采集装置包括500KV模拟电压单元、220KV模拟电压单元和35KV模拟电压单元。According to an integrated test platform based on real-time simulation technology for a substation of the present invention, the analog voltage signal acquisition device includes a 500KV analog voltage unit, a 220KV analog voltage unit and a 35KV analog voltage unit.

上述的合并单元模块能兼容具备电子式互感器和常规互感器接口,能够将实时仿真系统输出的电压、电流信号变换成符合智能变电站要求的数字信号,该合并单元模块通过以太网能够发送1条线路ABC三相测量和保护电流、电压的数据,发送协议遵循IEC61850-9-2或IEC60440-8标准,该合并单元模块设计灵活通用,能够支持多个厂家和多种电子式互感器接口,并能模拟500KV、220kV及35KV各个等级的变电站各种电子式互感器配置的需要。The above-mentioned merging unit module is compatible with electronic transformers and conventional transformer interfaces, and can convert the voltage and current signals output by the real-time simulation system into digital signals that meet the requirements of smart substations. The merging unit module can send a Line ABC three-phase measurement and protection current and voltage data, the transmission protocol follows the IEC61850-9-2 or IEC60440-8 standard, the merging unit module design is flexible and universal, can support multiple manufacturers and a variety of electronic transformer interfaces, and It can simulate the needs of various electronic transformer configurations in substations of 500KV, 220kV and 35KV levels.

根据本发明的一种变电站用基于实时仿真技术的一体化测试平台,所述的智能终端模块包括GOOSE信号转换终端和GOOSE信号交换机,其中GOOSE信号转换终端的一端通过电缆接线与数据网板卡连接,另一端则通过GOOSE光纤将信号传递至GOOSE信号交换机,GOOSE信号交换机再通过GOOSE光纤将信号传递给报文记录分析与回放装置、数字化测控装置和主变保护模块。According to an integrated test platform based on real-time simulation technology for a substation of the present invention, the intelligent terminal module includes a GOOSE signal conversion terminal and a GOOSE signal switch, wherein one end of the GOOSE signal conversion terminal is connected to a data network card through a cable connection , the other end transmits the signal to the GOOSE signal switch through the GOOSE optical fiber, and the GOOSE signal switch transmits the signal to the message recording analysis and playback device, the digital measurement and control device and the main transformer protection module through the GOOSE optical fiber.

此处设计目的在于,由于智能变电站中,保护、测控装置输出的开关、闸刀的控制命令和开关、闸刀的位置信号都是以GOOSE信号的形式传输的,智能终端模块负责进行GOOSE与空节点信号进行转换。The purpose of the design here is that, since in the smart substation, the switches output by the protection and measurement and control devices, the control commands of the switch and the position signals of the switch and the switch are all transmitted in the form of GOOSE signals, the intelligent terminal module is responsible for GOOSE and air The node signal is converted.

使用本发明的一种变电站用基于实时仿真技术的一体化测试平台获得了如下有益效果:Using a substation of the present invention with an integrated test platform based on real-time simulation technology has obtained the following beneficial effects:

1.本发明的一种变电站用基于实时仿真技术的一体化测试平台,以实时仿真系统为基础,通过设置的合并单元模块、智能终端模块对间隔层、站控层设备进行信号控制及传递,构成了一套完整的智能化试验平台,其检测结果准确有效;1. A substation of the present invention uses an integrated test platform based on real-time simulation technology, based on the real-time simulation system, through the merging unit module and the intelligent terminal module that are set to control and transmit signals to the interval layer and station control layer equipment, A complete set of intelligent test platform is formed, and the test results are accurate and effective;

2.本发明的一种变电站用基于实时仿真技术的一体化测试平台,能够进行装置级和系统级的测试。2. An integrated test platform based on real-time simulation technology for substations of the present invention, capable of performing device-level and system-level tests.

附图说明Description of drawings

图1为本发明的一种变电站用基于实时仿真技术的一体化测试平台的整体结构示意图;Fig. 1 is the overall structure schematic diagram of a kind of substation of the present invention based on the integrated test platform of real-time simulation technology;

图2为本发明的一种变电站用基于实时仿真技术的一体化测试平台的合并单元模块的数据模型。FIG. 2 is a data model of a merged unit module of an integrated test platform based on real-time simulation technology for a substation according to the present invention.

图中:1-数据网板卡,2-合并单元模块,2a-模拟电压信号采集装置,2b-模拟采样值交换机,2c-1588时钟同步模块,3-智能终端模块,3a-GOOSE信号转换终端,3b-GOOSE信号交换机,4-报文记录分析与回放装置,5-数字化测控装置,6-主变保护模块,7-监控信息交换机,8-监控后台,9-保护子站。In the figure: 1-data network board, 2-merging unit module, 2a-analog voltage signal acquisition device, 2b-analog sampling value switch, 2c-1588 clock synchronization module, 3-intelligent terminal module, 3a-GOOSE signal conversion terminal , 3b-GOOSE signal switch, 4-message record analysis and playback device, 5-digital measurement and control device, 6-main transformer protection module, 7-monitoring information switch, 8-monitoring background, 9-protection substation.

具体实施方式Detailed ways

下面结合附图和实施例对本发明的一种变电站用基于实时仿真技术的一体化测试平台做进一步的描述。An integrated test platform based on real-time simulation technology for a substation of the present invention will be further described below in conjunction with the drawings and embodiments.

实施例Example

如图1和图2所示,一种变电站用基于实时仿真技术的一体化测试平台,包括用于实时仿真系统的具有信息输入输出和采样值传递功能的数据网板卡1,该数据网板卡通过电缆接线分别与合并单元模块2和智能终端模块3连接;As shown in Figures 1 and 2, an integrated test platform based on real-time simulation technology for a substation includes a data network card 1 with functions of information input and output and sampled value transfer for a real-time simulation system. The card is respectively connected with the merging unit module 2 and the intelligent terminal module 3 through cable connection;

本实施例中的数据网板卡为GTNET卡,GTNET支持32路的GOOSE信号开入/开出。与其他测试仪不同,GTNET卡配置GOOSE信号时需要读取一个SCD文件,该文件中需要包含所有的输入GOOSE的定义,以及相应输出GOOSE信号IED的定义。GTNET卡还提供了对采样值数据品质字的测试功能,即在仿真过程中,可以动态的改变每一路采样值数据的品质字,此外还可以选择是否要在采样值数据帧中设置采样率。The data network board card in this embodiment is a GTNET card, and GTNET supports 32 channels of GOOSE signal input/output. Different from other testers, GTNET card needs to read an SCD file when configuring GOOSE signal, and this file needs to contain all the definitions of input GOOSE and the definition of corresponding output GOOSE signal IED. The GTNET card also provides a test function for the quality word of sampled value data, that is, during the simulation process, the quality word of each channel of sampled value data can be dynamically changed, and it is also possible to choose whether to set the sampling rate in the sampled value data frame.

所述的合并单元模块2通过采样值专用光纤分别和报文记录分析与回放装置4、数字化测控装置5和主变保护模块6连接;The merging unit module 2 is respectively connected with the message recording analysis and playback device 4, the digital measurement and control device 5 and the main transformer protection module 6 through a dedicated optical fiber for sampling values;

所述的智能终端模块3通过GOOSE光纤分别和报文记录分析与回放装置、数字化测控装置和主变保护模块连接;The intelligent terminal module 3 is respectively connected with the message recording analysis and playback device, the digital measurement and control device and the main transformer protection module through the GOOSE optical fiber;

上述的报文记录分析与回放装置4具有以下功能:The above-mentioned message record analysis and playback device 4 has the following functions:

(1)电压电流波形记录功能:对过程层网络的采样值报文进行解析,提取瞬时采样点的值,进行傅氏计算以及判启动计算。当电力系统发生故障时,达到故障启动条件,则以COMTRADE格式对故障发生时的采样值和开关量进行存储记录,用图形分析软件实现系统故障波形的显示和分析。(1) Voltage and current waveform recording function: analyze the sampling value message of the process layer network, extract the value of the instantaneous sampling point, perform Fourier calculation and start-up calculation. When a fault occurs in the power system and the fault start condition is met, the sampling value and switching value when the fault occurs are stored and recorded in the COMTRADE format, and the display and analysis of the system fault waveform is realized by the graphic analysis software.

(2)二次设备动作行为记录功能:对过程层网络的GOOSE报文进行解析,提取GOOSE报文的开关量状态信息,当开关量状态发生改变时,则对接入的采样值报文和GOOSE报文进行解析,并以COMTRADE格式对故障发生时的采样值和开关量进行存储记录,用图形分析软件实现系统故障波形的显示和分析。(2) Secondary equipment action behavior recording function: analyze the GOOSE message of the process layer network, extract the switching value status information of the GOOSE message, and when the switching value status changes, the sampled value message and Analyze the GOOSE message, and store and record the sampling value and switching value when the fault occurs in the COMTRADE format, and use the graphic analysis software to realize the display and analysis of the system fault waveform.

(3)波形分析功能:装置记录的暂态波形数据以COMTRADE格式输出,使用我公司拥有著作权的CAAP2008波形分析软件,能实现单端测距、双端测距、谐波分析、阻抗分析、功率分析、向量分析、差流分析、变压器过激磁分析、非周期分量分析等高级分析功能,CAAP2008内置的公式编辑器提供超过50个常用的函数,可实现用户自定义的分析算法。(3) Waveform analysis function: The transient waveform data recorded by the device is output in COMTRADE format. Using our company's copyrighted CAAP2008 waveform analysis software, it can realize single-ended ranging, double-ended ranging, harmonic analysis, impedance analysis, power Advanced analysis functions such as analysis, vector analysis, differential current analysis, transformer overexcitation analysis, non-periodic component analysis, etc. The formula editor built in CAAP2008 provides more than 50 commonly used functions, which can realize user-defined analysis algorithms.

(4)异常报警功能:(4) Abnormal alarm function:

1)人机主界面上详细的挂牌报警:在人机主界面上进行指示告警情况,比如报文内容错误报警,报文异常,录波启动等。1) Detailed listing alarm on the HMI main interface: Indicate the alarm situation on the HMI main interface, such as the alarm of message content error, message abnormality, wave recording start, etc.

2)硬接点开出继电器总告警:通过硬接点的方式开出告警信号,可以保证告警信号的可靠性。2) The general alarm of the relay is issued by the hard contact: the alarm signal is issued by the hard contact, which can ensure the reliability of the alarm signal.

3)用GOOSE开出的详细软告警数据集:通过发送GOOSE报文进行告警,在GOOSE报文的数据集里面定义告警开出的详细含义。可以进行报文超时告警、报文异常告警、录波启动等。3) Detailed soft alarm data set issued by GOOSE: send an alarm by sending a GOOSE message, and define the detailed meaning of the alarm in the data set of the GOOSE message. It can perform message timeout alarm, message abnormal alarm, wave recording start, etc.

上述的数字化测控装置5实现了一个间隔的三态数据采集和控制,该装置既完成稳态数据采集、状态信号采集、遥控操作、同期操作、刀闸控制、防误闭锁操作等常规远动功能,又能实现同步相量采集计算、故障录波功能、电能质量功能等。进行标准化,实现数据共享,是多功能间隔层智能电子设备。The above-mentioned digital measurement and control device 5 realizes the three-state data acquisition and control of an interval, and the device not only completes the conventional telecontrol functions such as steady-state data acquisition, state signal acquisition, remote control operation, synchronous operation, knife switch control, and anti-misoperation locking operation , and can also realize synchrophasor acquisition and calculation, fault recording function, power quality function, etc. It is a multi-functional compartment layer intelligent electronic device for standardization and data sharing.

上述的主变保护模块6的变压器保护的原理在现场已经成功应用近十年时间,适用于110kV及其以上电压等级各种接线方式的变压器。该装置可支持电子式互感器和常规互感器,支持电力行业通讯标准DL/T667-1999(IEC60870-5-103)和新一代变电站通讯标准IEC61850,支持GOOSE输入和输出功能,并支持分布式保护配置模式。The above-mentioned transformer protection principle of the main transformer protection module 6 has been successfully applied in the field for nearly ten years, and is applicable to transformers with voltage levels of 110kV and above in various wiring modes. The device can support electronic transformers and conventional transformers, support the power industry communication standard DL/T667-1999 (IEC60870-5-103) and the new generation substation communication standard IEC61850, support GOOSE input and output functions, and support distributed protection configuration mode.

该主变保护模块可提供一台变压器所需要的全部电量保护,主保护和后备保护可共用同一TA。这些保护包括:稳态比率差动、差动速断、工频变化量比率差动、复合电压闭锁方向过流、零序方向过流、零序过压、间隙零序过流和简易母差。另外还包括以下异常告警功能:过负荷报警、起动冷却器、过载闭锁有载调压、差流异常报警、差动回路TA断线、TA异常报警和TV异常报警。The main transformer protection module can provide all the power protection required by a transformer, and the main protection and backup protection can share the same TA. These protections include: steady-state ratio differential, differential quick break, power frequency variation ratio differential, composite voltage blocking directional overcurrent, zero sequence directional overcurrent, zero sequence overvoltage, gap zero sequence overcurrent and simple bus differential. In addition, it also includes the following abnormal alarm functions: overload alarm, start cooler, overload blocking on-load voltage regulation, differential current abnormal alarm, differential circuit TA disconnection, TA abnormal alarm and TV abnormal alarm.

所述的报文记录分析与回放装置、数字化测控装置和主变保护模块再通过监控信息交换机7与监控后台8及保护子站9连接。The message recording analysis and playback device, the digital measurement and control device and the main transformer protection module are connected to the monitoring background 8 and the protection sub-station 9 through the monitoring information switch 7 .

上述的监控后台8是针对变电站对外的远动功能而开发的一种通信控制器,用于收集全站测控单元、保护装置以及智能电子设备的数据,经规约转换后以IEC60870-5-101、IEC60870-5-104、部颁CDT、MODBUS等规约通过模拟通道、数字通道或网络向调度端/集控站传送,同时接收调度端/集控站的遥控、遥调命令向变电站设备转发。The above-mentioned monitoring background 8 is a communication controller developed for the external telecontrol function of the substation. It is used to collect the data of the whole station measurement and control unit, protection device and intelligent electronic equipment. IEC60870-5-104, ministerial CDT, MODBUS and other protocols are transmitted to the dispatching end/central control station through analog channels, digital channels or networks, and at the same time receive remote control and remote adjustment commands from the dispatching end/central control station and forward them to substation equipment.

监控后台的远动信息采用“直采直送”的方式,远动通信装置的运行独立于后台监控系统,双方互不影响。本实施例所采用的监控后台为RCS-9698G/H远动通信装置,在站控层支持IEC61850并可同时兼容IEC60870-5-101IEC60870-5-103等协议。The telecontrol information in the monitoring background adopts the method of "direct acquisition and direct delivery". The operation of the telecontrol communication device is independent of the background monitoring system, and the two parties do not affect each other. The monitoring background used in this embodiment is the RCS-9698G/H telecontrol communication device, which supports IEC61850 at the station control layer and is compatible with IEC60870-5-101IEC60870-5-103 and other protocols.

远动通信装置的功能主要有:The functions of the remote communication device mainly include:

(1)采集各种微机保护、自动装置信息:(1) Collect various microcomputer protection and automatic device information:

本实施例所采用的RCS-9698G/H远动通信装置可以通过串口或网络方式与各种微机保护和自动装置通讯,接收它们上送的各种信息,如保护动作SOE等。The RCS-9698G/H remote communication device used in this embodiment can communicate with various microcomputer protection and automatic devices through serial ports or networks, and receive various information sent by them, such as protection action SOE, etc.

(2)采集各种测控装置、智能电度表信息:(2) Collect information of various measurement and control devices and smart watt-hour meters:

本实施例所采用的RCS-9698G/H远动通信装置可以通过串口或网络方式与测控装置及智能电能表通讯。测控装置和智能电度表的遥信、遥测、遥脉量以及其它通信信息均直接送往本装置。The RCS-9698G/H telecontrol communication device used in this embodiment can communicate with the measurement and control device and the smart energy meter through a serial port or a network. The remote signaling, telemetry, remote pulse quantity and other communication information of the measurement and control device and the smart watt-hour meter are directly sent to the device.

(3)采集变电站智能辅助设备信息:(3) Collect substation intelligent auxiliary equipment information:

变电站内除了保护、测控、电度表、自动化装置外,还有许多辅助装置。这些辅助装置的信息虽然没有系统运行信息重要,但为了提高变电站运行安全性和可靠性,通常也要将这些信息上送,RCS-9698G/H远动通信装置可以采集这些信息,实现远程的监控。In addition to protection, measurement and control, watt-hour meters, and automation devices, there are many auxiliary devices in the substation. Although the information of these auxiliary devices is not as important as the system operation information, in order to improve the safety and reliability of substation operation, such information is usually sent to the RCS-9698G/H telecontrol communication device to collect these information and realize remote monitoring .

(4)远方命令记录和查询:(4) Remote command record and query:

本实施例所采用的RCS-9698G/H远动通信装置能够记录所有来自控制源的命令,包括遥控选择、遥控执行、遥调、修改定值选择、修改定值执行、信号复归等。这些信息可以通过多种查询条件进行检索和查看。The RCS-9698G/H telecontrol communication device used in this embodiment can record all commands from the control source, including remote selection, remote execution, remote adjustment, modification of setting selection, modification of setting execution, signal reset, etc. The information can be retrieved and viewed through various query conditions.

(5)实现与管理远动通信、与集控中心通信:(5) Realize and manage telecontrol communication, and communicate with centralized control center:

本实施例所采用的RCS-9698G/H远动通信装置承担与调度、集控中心计算机系统通信任务,可以连接多级调度,信息可以根据各个调度端的要求进行定制。The RCS-9698G/H telecontrol communication device used in this embodiment undertakes the task of communication with dispatching and centralized control center computer systems, and can be connected to multi-level dispatching, and the information can be customized according to the requirements of each dispatching terminal.

上述的保护子站9用于多种继电保护装置及其它装置与保护信息主站、继保工程师站之间的通信转接及规约转换。保护子站通过多种类型的标准通信接口来沟通保护、数据采集和故障录波器等装置与保护信息主站或继保工程师站系统之间的信息联系,并对保护信息、故障波形加以保存,以供历史查询和故障分析之用。保护子站支持多种通信规约,不仅能够与智能化保护、录波器通信,还能够兼容常规保护。The above-mentioned protection sub-station 9 is used for communication transfer and protocol conversion between various relay protection devices and other devices, protection information master station and relay protection engineer station. The protection sub-station communicates the information connection between the protection, data acquisition, fault recorder and other devices with the protection information master station or relay protection engineer station system through various types of standard communication interfaces, and saves the protection information and fault waveforms , for historical query and fault analysis. The protection substation supports a variety of communication protocols, and can not only communicate with intelligent protection and wave recorders, but also be compatible with conventional protection.

保护子站的功能主要有:数据处理和转发、定值管理、故障波形的存储和检索、历史事件记录和查询、执行主站命令、远方命令记录和查询、实现与继保工程师站通信、实现与保护信息主站通信等。The functions of the protection substation mainly include: data processing and forwarding, fixed value management, storage and retrieval of fault waveforms, historical event recording and query, execution of master station commands, remote command recording and query, communication with the relay protection engineer station, realization of Communication with the protection information master station, etc.

合并单元模块2包括模拟电压信号采集装置2a、模拟采样值交换机2b和1588时钟同步模块2c,其中模拟电压信号采集装置的一端通过电缆接线与数据网板卡1连接,模拟电压信号采集装置的另一端将其模拟电压信号传递至模拟采样值交换机,该模拟采样值交换机再通过采样值专用光纤将信号传递给报文记录分析与回放装置4、数字化测控装置5和主变保护模块6,而1588时钟同步模块则与模拟采样值交换机连接并对其进行时钟同步控制。The merging unit module 2 includes an analog voltage signal acquisition device 2a, an analog sampling value switch 2b and a 1588 clock synchronization module 2c, wherein one end of the analog voltage signal acquisition device is connected with the data network board 1 through cable connection, and the other end of the analog voltage signal acquisition device One end transmits its analog voltage signal to the analog sampling value switch, and the analog sampling value switch transmits the signal to the message recording analysis and playback device 4, the digital measurement and control device 5 and the main transformer protection module 6 through the special optical fiber for sampling value, and the 1588 The clock synchronization module is connected with the analog sampling value switch and performs clock synchronization control on it.

模拟电压信号采集装置2a包括500KV模拟电压单元、220KV模拟电压单元和35KV模拟电压单元。The analog voltage signal acquisition device 2a includes a 500KV analog voltage unit, a 220KV analog voltage unit and a 35KV analog voltage unit.

上述的合并单元模块能兼容具备电子式互感器和常规互感器接口,能够将实时仿真系统输出的电压、电流信号变换成符合智能变电站要求的数字信号,该合并单元模块通过以太网能够发送1条线路ABC三相测量和保护电流、电压的数据,发送协议遵循IEC61850-9-2或IEC60440-8标准,该合并单元模块设计灵活通用,能够支持多个厂家和多种电子式互感器接口,并能模拟500KV、220kV及35KV各个等级的变电站各种电子式互感器配置的需要。The above-mentioned merging unit module is compatible with electronic transformers and conventional transformer interfaces, and can convert the voltage and current signals output by the real-time simulation system into digital signals that meet the requirements of smart substations. The merging unit module can send a Line ABC three-phase measurement and protection current and voltage data, the transmission protocol follows the IEC61850-9-2 or IEC60440-8 standard, the merging unit module design is flexible and universal, can support multiple manufacturers and a variety of electronic transformer interfaces, and It can simulate the needs of various electronic transformer configurations in substations of 500KV, 220kV and 35KV levels.

智能终端模块3包括GOOSE信号转换终端3a和GOOSE信号交换机3b,其中GOOSE信号转换终端的一端通过电缆接线与数据网板卡1连接,另一端则通过GOOSE光纤将信号传递至GOOSE信号交换机,GOOSE信号交换机再通过GOOSE光纤将信号传递给报文记录分析与回放装置4、数字化测控装置5和主变保护模块6。The intelligent terminal module 3 includes a GOOSE signal conversion terminal 3a and a GOOSE signal switch 3b, wherein one end of the GOOSE signal conversion terminal is connected to the data network card 1 through a cable connection, and the other end transmits the signal to the GOOSE signal switch through the GOOSE optical fiber, and the GOOSE signal The switch transmits the signal to the message recording analysis and playback device 4, the digital measurement and control device 5 and the main transformer protection module 6 through the GOOSE optical fiber.

此处设计目的在于,由于智能变电站中,保护、测控装置输出的开关、闸刀的控制命令和开关、闸刀的位置信号都是以GOOSE信号的形式传输的,智能终端模块负责进行GOOSE与空节点信号进行转换。该智能终端模块的主要功能如下:The purpose of the design here is that, since in the smart substation, the switches output by the protection and measurement and control devices, the control commands of the switch and the position signals of the switch and the switch are all transmitted in the form of GOOSE signals, the intelligent terminal module is responsible for GOOSE and air The node signal is converted. The main functions of the intelligent terminal module are as follows:

(1)断路器跳合闸。装置具有一组TJQ跳闸出口、TJR跳闸出口以及重合闸出口,其中TJQ是不闭锁重合闸的跳闸出口,TJR是闭锁重合闸的跳闸出口。(1) The circuit breaker trips and closes. The device has a group of TJQ tripping outlets, TJR tripping outlets and reclosing outlets, where TJQ is the tripping outlet for non-blocking reclosing, and TJR is the tripping outlet for locking reclosing.

装置接收保护发来的各种GOOSE命令,包括TJQ跳闸、TJR跳闸和重合闸命令,然后驱动相应的出口继电器动作,把GOOSE命令转换成硬接点输出。The device receives various GOOSE commands sent by the protection, including TJQ tripping, TJR tripping and reclosing commands, and then drives the corresponding exit relays to convert the GOOSE commands into hard contact output.

(2)遥控输出。装置具有33路开出,除了断路器跳、合闸及闭锁出口外,还具有4把隔刀、4把地刀的遥控分、合及闭锁共24付出口接点。(2) Remote control output. The device has 33 outlets. In addition to the circuit breaker tripping, closing and locking outlets, it also has 4 spacer blades and 4 ground blades for remote control opening, closing, and locking. A total of 24 outlet contacts.

装置接收测控发来的各种GOOSE命令,包括断路器分合闸、隔刀和地刀的分合闸及闭锁控制命令,然后驱动相应的出口继电器动作,把GOOSE命令转换成硬接点输出。The device receives various GOOSE commands from measurement and control, including opening and closing of circuit breakers, opening and closing of spacers and floor switches, and locking control commands, and then drives the corresponding exit relays to convert GOOSE commands into hard contact output.

(3)遥信输入。装置具有54路开入,能够就地采集断路器位置、刀闸位置、断路器机构和主变本体信号等开关量,并通过GOOSE网上送给相应的保护和测控装置。(3) Remote signal input. The device has 54 switching inputs, which can collect the circuit breaker position, knife switch position, circuit breaker mechanism and main transformer body signals on the spot, and send them to the corresponding protection and measurement and control devices through the GOOSE network.

本发明的一种变电站用基于实时仿真技术的一体化测试平台以实时仿真系统为基础,通过设置的合并单元模块2、智能终端模块3对间隔层(报文记录分析与回放装置4、数字化测控装置5和主变保护模块6)、站控层(监控信息交换机7、监控后台8及保护子站9)设备进行信号控制及传递,构成了一套完整的智能化试验平台,其检测结果准确有效,而且本发明能够进行装置级和系统级的测试,适用于各种智能电网的变电站的模拟测试领域。An integrated test platform based on real-time simulation technology for a substation of the present invention is based on the real-time simulation system, through the set merging unit module 2, intelligent terminal module 3 pairs of interval layers (message record analysis and playback device 4, digital measurement and control Device 5 and main transformer protection module 6), station control layer (monitoring information switch 7, monitoring background 8 and protection substation 9) equipment for signal control and transmission, constitute a complete set of intelligent test platform, and its detection results are accurate It is effective, and the invention can perform device-level and system-level tests, and is suitable for the simulation test field of substations of various smart grids.

Claims (1)

1.一种变电站用基于实时仿真技术的一体化测试平台,包括用于实时仿真系统的具有信息输入输出和采样值传递功能的数据网板卡(1),其特征在于:1. a substation uses an integrated test platform based on real-time simulation technology, comprising a data network board (1) with information input and output and sampling value transfer functions for real-time simulation system, characterized in that: 所述的数据网板卡(1)通过电缆接线分别与合并单元模块(2)和智能终端模块(3)连接;The data network board (1) is respectively connected with the merging unit module (2) and the intelligent terminal module (3) through cable connection; 所述的合并单元模块(2)通过采样值专用光纤分别和报文记录分析与回放装置(4)、数字化测控装置(5)和主变保护模块(6)连接;The merging unit module (2) is respectively connected with the message recording analysis and playback device (4), the digital measurement and control device (5) and the main transformer protection module (6) through the special optical fiber for the sampling value; 所述的智能终端模块(3)通过GOOSE光纤分别和报文记录分析与回放装置(4)、数字化测控装置(5)和主变保护模块(6)连接;Described intelligent terminal module (3) is respectively connected with message recording analysis and playback device (4), digital measurement and control device (5) and main transformer protection module (6) by GOOSE optical fiber; 所述的报文记录分析与回放装置(4)、数字化测控装置(5)和主变保护模块(6)再通过监控信息交换机(7)与监控后台(8)及保护子站(9)连接;The message recording analysis and playback device (4), the digital measurement and control device (5) and the main transformer protection module (6) are connected to the monitoring background (8) and the protection substation (9) through the monitoring information switch (7) ; 所述的合并单元模块(2)包括模拟电压信号采集装置(2a)、模拟采样值交换机(2b)和1588时钟同步模块(2c),其中模拟电压信号采集装置(2a)的一端通过电缆接线与数据网板卡(1)连接,模拟电压信号采集装置的另一端将其模拟电压信号传递至模拟采样值交换机,该模拟采样值交换机再通过采样值专用光纤将信号传递给报文记录分析与回放装置(4)、数字化测控装置(5)和主变保护模块(6),而1588时钟同步模块(2c)则与模拟采样值交换机连接并对其进行时钟同步控制;Described merging unit module (2) comprises analog voltage signal acquisition device (2a), analog sampling value exchange (2b) and 1588 clock synchronous module (2c), wherein one end of analog voltage signal acquisition device (2a) connects with by cable connection The data network board (1) is connected, and the other end of the analog voltage signal acquisition device transmits its analog voltage signal to the analog sampling value switch, and the analog sampling value switch transmits the signal to the message record analysis and playback through the special optical fiber for sampling value device (4), digital measurement and control device (5) and main transformer protection module (6), while the 1588 clock synchronization module (2c) is connected with the analog sampling value switch and performs clock synchronization control on it; 所述的智能终端模块(3)包括GOOSE信号转换终端(3a)和GOOSE信号交换机(3b),其中GOOSE信号转换终端的一端通过电缆接线与数据网板卡(1)连接,另一端则通过GOOSE光纤将信号传递至GOOSE信号交换机,GOOSE信号交换机再通过GOOSE光纤将信号传递给报文记录分析与回放装置(4)、数字化测控装置(5)和主变保护模块(6)。Described intelligent terminal module (3) comprises GOOSE signal conversion terminal (3a) and GOOSE signal switchboard (3b), wherein one end of GOOSE signal conversion terminal is connected with data network card (1) by cable connection, and the other end is then passed GOOSE The optical fiber transmits the signal to the GOOSE signal switch, and the GOOSE signal switch transmits the signal to the message recording analysis and playback device (4), the digital measurement and control device (5) and the main transformer protection module (6) through the GOOSE optical fiber.
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