CN102522821B - Intelligent terminal equipment in intelligent transformer substation and control method thereof - Google Patents

Abstract

Translated fromChinese

本发明涉及一种智能变电站中智能终端设备及其控制方法，包括CPU处理器，该CPU处理器包括数据接收模块、芯片管脚和采用双冗余的方法模拟出的第一CPU模块和第二CPU模块，所述第一CPU模块包括第一数据解析模块、第一数据缓冲区和第一逻辑处理模块，所述第二CPU模块包括第二数据解析模块、第二数据缓冲区和第二逻辑处理模块，所述模拟出的两个CPU模块用于构架出两路并行而不交互的逻辑流程，与所述第一逻辑处理模块相对应的所述芯片管脚用于和被控物理元器件的正有效端相连，与所述第二逻辑处理模块相对应的所述芯片管脚用于和被控物理元器件的负有效端相连。本发明利用双冗余的控制结构及控制方法大大提高了该智能终端设备工作的可靠性。

The invention relates to an intelligent terminal device in an intelligent substation and a control method thereof. CPU module, the first CPU module includes a first data analysis module, a first data buffer and a first logic processing module, and the second CPU module includes a second data analysis module, a second data buffer and a second logic Processing module, the two simulated CPU modules are used to construct two parallel and non-interactive logic processes, and the chip pins corresponding to the first logic processing module are used to communicate with the controlled physical components The positive effective end of the chip is connected to the positive effective end of the second logic processing module, and the chip pin corresponding to the second logic processing module is used to connect to the negative effective end of the controlled physical component. The present invention greatly improves the working reliability of the intelligent terminal equipment by utilizing the double redundant control structure and control method.

Description

Translated fromChinese

一种智能变电站中智能终端设备及其控制方法An intelligent terminal device in an intelligent substation and its control method

技术领域technical field

本发明涉及电力系统变电站自动化技术领域，特别是一种智能变电站中智能终端设备的控制方法。The invention relates to the technical field of power system substation automation, in particular to a control method for intelligent terminal equipment in an intelligent substation.

背景技术Background technique

智能终端设备作为智能变电站中新出现的一种IED（智能电子设备），适用于智能变电站内多种一次开关间隔或变压器间隔，其最重要的两个功能：一、接收过程层网络的控制指令或继电保护装置的直接控制指令，并驱动相应的出口回路完成对一次设备的控制功能，并具有防误操作的功能；二、采集一次设备位置信号、报警信号等实时数据，通过GOOSE服务发布至过程层网络。As a new type of IED (intelligent electronic device) in smart substations, intelligent terminal equipment is suitable for various primary switch bays or transformer bays in smart substations. Its two most important functions are: 1. Receive control commands from the process layer network Or the direct control command of the relay protection device, and drive the corresponding outlet circuit to complete the control function of the primary equipment, and has the function of preventing misoperation; 2. Collect real-time data such as the position signal and alarm signal of the primary equipment, and publish it through the GOOSE service to the process layer network.

由于在智能变电站中智能终端设备所处的关键位置和重要功能，该智能终端设备部件的损坏或错误的控制动作将直接导致停电或误送电，引起灾难性后果。因此对其可靠性要求极高，但是现有技术中，智能终端设备的可靠性还有待提高，各地时不时出现由于智能终端设备部件损坏或误动作而造成的事故。Due to the key position and important functions of the smart terminal equipment in the smart substation, the damage or wrong control action of the components of the smart terminal equipment will directly lead to power failure or wrong power transmission, causing catastrophic consequences. Therefore, the reliability is extremely high. However, in the prior art, the reliability of smart terminal equipment needs to be improved, and accidents caused by damage or misoperation of components of smart terminal equipment occur from time to time in various places.

发明内容Contents of the invention

本发明的目的在于提供一种智能变电站中智能终端设备及其控制方法，以提高该智能终端设备的控制可靠性。The purpose of the present invention is to provide an intelligent terminal device and a control method thereof in an intelligent substation, so as to improve the control reliability of the intelligent terminal device.

为了解决上述问题，本发明一种智能变电站中智能终端设备，包括CPU处理器，该CPU处理器包括数据接收模块、芯片管脚和采用双冗余的方法模拟出的第一CPU模块和第二CPU模块，所述第一CPU模块包括第一数据解析模块、第一数据缓冲区和第一逻辑处理模块，所述第二CPU模块包括第二数据解析模块、第二数据缓冲区和第二逻辑处理模块，所述模拟出的两个CPU模块用于构架出两路并行而不交互的逻辑流程，所述每路逻辑流程均包括数据解析、数据存储、逻辑计算，与所述第一逻辑处理模块相对应的所述芯片管脚和被控物理元器件的正有效端电连接，与所述第二逻辑处理模块相对应的所述芯片管脚和被控物理元器件的负有效端电连接。In order to solve the above problems, the present invention provides an intelligent terminal device in a smart substation, including a CPU processor, the CPU processor includes a data receiving module, chip pins, and a first CPU module and a second CPU module simulated by a dual redundancy method. CPU module, the first CPU module includes a first data analysis module, a first data buffer and a first logic processing module, and the second CPU module includes a second data analysis module, a second data buffer and a second logic Processing module, the two simulated CPU modules are used to construct two parallel and non-interactive logic flows, each of which includes data analysis, data storage, logic calculation, and the first logic processing The chip pin corresponding to the module is electrically connected to the positive effective end of the controlled physical component, and the chip pin corresponding to the second logic processing module is electrically connected to the negative effective end of the controlled physical component .

所述被控物理元器件分别为启动继电器和出口继电器。The controlled physical components are the start relay and the exit relay respectively.

一种智能变电站中智能终端设备可靠性控制方法，其特征是：该方法包括以下步骤：A method for controlling reliability of intelligent terminal equipment in an intelligent substation, characterized in that: the method includes the following steps:

（1）所述数据接收模块从通讯数据发送端接收激励数据并把接收到的激励数据分别发送给所述第一数据解析模块和所述第二数据解析模块；(1) The data receiving module receives the incentive data from the communication data sending end and sends the received incentive data to the first data analysis module and the second data analysis module respectively;

（2）所述第一数据解析模块和所述第二数据解析模块将收到的数据分别进行解析，其中所述第一数据解析模块解析出一份正逻辑数据，储存在所述第一数据缓冲区并提供给所述第一逻辑处理模块进行逻辑计算，所述第二数据解析模块解析出一份反逻辑数据，储存在所述第二数据缓冲区并提供给所述第二逻辑处理模块进行逻辑计算；(2) The first data analysis module and the second data analysis module respectively analyze the received data, wherein the first data analysis module analyzes a positive logic data and stores it in the first data The buffer is provided to the first logic processing module for logic calculation, and the second data analysis module parses out a piece of anti-logic data, which is stored in the second data buffer and provided to the second logic processing module perform logical calculations;

（3）解析出所述正逻辑数据的所述逻辑流程通过驱动所述对应芯片管脚作用于物理元器件的正有效端，解析出所述反逻辑数据的所述逻辑流程通过驱动所述对应芯片管脚作用与物理元器件的负有效端，所述物理元器件正负有效端同时被驱动，所述物理元器件动作，否则所述物理元器件不动作。(3) The logic flow for parsing out the positive logic data acts on the positive and effective ends of physical components by driving the corresponding chip pins, and the logic flow for parsing out the negative logic data is by driving the corresponding The pins of the chip act on the negative effective ends of the physical components, and the positive and negative effective ends of the physical components are driven at the same time, and the physical components act, otherwise, the physical components do not operate.

所述第一逻辑计算模块和所述第二逻辑计算模块分别进行逻辑计算时，采用相同判据的逻辑处理或者采用不同判据的逻辑处理。When the first logic calculation module and the second logic calculation module respectively perform logic calculation, logic processing using the same criterion or logic processing using different criteria.

所述从通讯数据发送端接收到的激励数据符合DL/T860变电站通信网络与系统标准定义GOOSE报文服务格式。The incentive data received from the communication data sending end complies with the GOOSE message service format defined in DL/T860 Substation Communication Network and System Standard.

所述被控物理元器件为启动继电器和出口继电器。The controlled physical components are start relay and exit relay.

本发明利用CPU处理器模拟出的双CPU模块构架出两个独立不交互的逻辑流程，使得激励数据经过两个逻辑流程的计算后分别作用于受控物理元器件的正、负有效端，并且当正、负同时被驱动，所述物理元器件才能动作，无论哪个逻辑流程出现错误，均不能使物理元器件产生动作。本发明与现有的单路逻辑控制相比，大大降低了物理元器件误动作的可能性，大大提高了所述终端设备进行控制的可靠性。The present invention uses the dual CPU modules simulated by the CPU processor to construct two independent and non-interactive logic flows, so that the excitation data acts on the positive and negative effective ends of the controlled physical components after being calculated by the two logic flows, and When positive and negative are driven at the same time, the physical components can act, and no matter which logic process is wrong, the physical components cannot be activated. Compared with the existing single-channel logic control, the present invention greatly reduces the possibility of misoperation of physical components, and greatly improves the reliability of the control of the terminal equipment.

附图说明Description of drawings

图1是本发明实施例的结构示意图。Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

具体实施方式Detailed ways

下面结合附图对本发明实施例进行详细描述：Embodiments of the present invention are described in detail below in conjunction with the accompanying drawings:

一种智能变电站中智能终端设备实施例，如图1所示，包括CPU处理器，该CPU处理器包括数据接收模块、芯片管脚和采用双冗余的方法模拟出的第一CPU模块和第二CPU模块，所述第一CPU模块包括第一数据解析模块、第一数据缓冲区和第一逻辑处理模块，所述第二CPU模块包括第二数据解析模块、第二数据缓冲区和第二逻辑处理模块，所述模拟出的两个CPU模块用于构架出两路并行而不交互的逻辑流程，所述每路逻辑流程均包括数据解析、数据存储、逻辑计算，与所述第一逻辑处理模块相对应的所述芯片管脚和被控物理元器件的正有效端相连，与所述第二逻辑处理模块相对应的所述芯片管脚和被控物理元器件的负有效端相连，所述被控物理元器件为启动继电器和出口继电器。An embodiment of an intelligent terminal device in a smart substation, as shown in Figure 1, includes a CPU processor, the CPU processor includes a data receiving module, chip pins, and a first CPU module and a second CPU module simulated by a dual redundancy method. Two CPU modules, the first CPU module includes a first data analysis module, a first data buffer and a first logical processing module, and the second CPU module includes a second data analysis module, a second data buffer and a second Logic processing module, the two simulated CPU modules are used to construct two parallel and non-interactive logic flows, each of which includes data analysis, data storage, logic calculation, and the first logic The chip pin corresponding to the processing module is connected to the positive effective end of the controlled physical component, and the chip pin corresponding to the second logical processing module is connected to the negative effective end of the controlled physical component, The controlled physical components are start relay and exit relay.

一种智能变电站中智能终端设备可靠性控制方法，所述控制方法为所述智能终端设备控制所述被控元器件的方法，该方法包括以下步骤：A method for controlling the reliability of intelligent terminal equipment in an intelligent substation, the control method is a method for the intelligent terminal equipment to control the controlled components, and the method includes the following steps:

（1）所述数据接收模块从通讯数据发送端接收激励数据并把接收到的激励数据分别发送给所述第一数据解析模块和所述第二数据解析模块；(1) The data receiving module receives the incentive data from the communication data sending end and sends the received incentive data to the first data analysis module and the second data analysis module respectively;

（2）所述第一数据解析模块和所述第二数据解析模块将收到的数据分别进行解析，其中所述第一数据解析模块解析出一份正逻辑数据，储存在所述第一数据缓冲区并提供给所述第一逻辑处理模块进行逻辑计算，所述第二数据解析模块解析出一份反逻辑数据，储存在所述第二数据缓冲区并提供给所述第二逻辑处理模块进行逻辑计算；(2) The first data analysis module and the second data analysis module respectively analyze the received data, wherein the first data analysis module analyzes a positive logic data and stores it in the first data The buffer is provided to the first logic processing module for logic calculation, and the second data analysis module parses out a piece of anti-logic data, which is stored in the second data buffer and provided to the second logic processing module perform logical calculations;

（3）解析出所述正逻辑数据的所述逻辑流程通过驱动所述对应芯片管脚作用于物理元器件的正有效端，解析出所述反逻辑数据的所述逻辑流程通过驱动所述对应芯片管脚作用与物理元器件的负有效端，所述物理元器件正负有效端同时被驱动，所述物理元器件动作，否则所述物理元器件不动作。(3) The logic flow for parsing out the positive logic data acts on the positive and effective ends of physical components by driving the corresponding chip pins, and the logic flow for parsing out the negative logic data is by driving the corresponding The pins of the chip act on the negative effective ends of the physical components, and the positive and negative effective ends of the physical components are driven at the same time, and the physical components act, otherwise, the physical components do not operate.

所述从通讯数据发送端接收到的激励数据符合DL/T860变电站通信网络与系统标准定义GOOSE报文服务格式。所述第一逻辑计算模块和所述第二逻辑计算模块分别进行逻辑计算时，采用相同判据的逻辑处理或者采用不同判据的逻辑处理；所述被控物理元器件为启动继电器和出口继电器，反逻辑数据等于正逻辑数据取反。The incentive data received from the communication data sending end complies with the GOOSE message service format defined in DL/T860 Substation Communication Network and System Standard. When the first logic calculation module and the second logic calculation module respectively perform logic calculations, the logic processing using the same criterion or the logic processing using different criteria; the controlled physical components are the starting relay and the outlet relay , the negative logic data is equal to the inversion of the positive logic data.

Claims (6)

1. an Intelligent terminal equipment in intelligent transformer substation, comprise CPU processor, it is characterized in that: this CPU processor comprises data reception module, chip pin and the first CPU module adopting the method for two redundancy to simulate and the second CPU module, described first CPU module comprises the first data resolution module, first data buffer zone and the first logic processing module, described second CPU module comprises the second data resolution module, second data buffer zone and the second logic processing module, described two CPU module simulated go out two-way for framework and walk abreast and not mutual logic flow, described every road logic flow includes Data Analysis, data store, logical calculated, the positive live end of the chip pin corresponding with described first logic processing module and controlled physics components and parts is electrically connected, the negative live end of the chip pin corresponding with described second logic processing module and controlled physics components and parts is electrically connected, the dual processors module frame that CPU processor die is drawn up goes out the not mutual logic flow of two independence, excited data is made just to act on controlled physics components and parts respectively after the calculating of two logic flows, negative live end, and ought be just, driven the while of negative, the action of described physics components and parts ability, there is mistake in whichever logic flow, physics components and parts all can not be made to produce action.

2. a kind of Intelligent terminal equipment in intelligent transformer substation according to claim 1, is characterized in that: described controlled physics components and parts comprise starting relay and exit relay.

3., to a Control for Dependability method for a kind of Intelligent terminal equipment in intelligent transformer substation according to claim 1, it is characterized in that: the method comprises the following steps:

(1) described data reception module receives excited data from communication data transmitting terminal and the excited data received is sent to described first data resolution module and described second data resolution module respectively;

(2) data received are resolved by described first data resolution module and described second data resolution module respectively, wherein said first data resolution module parses a positive logic data, be stored in described first data buffer zone and be supplied to described first logic processing module and carry out logical calculated, described second data resolution module parses a antilogical data, is stored in described second data buffer zone and is supplied to described second logic processing module to carry out logical calculated;

(3) the positive live end of described logic flow by driving its corresponding chip pin to act on physics components and parts of described positive logic data is parsed, parse the negative live end of described logic flow by driving its corresponding chip pin to act on physics components and parts of described antilogical data, the positive and negative live end of described physics components and parts is driven simultaneously, the action of described physics components and parts, otherwise described physics components and parts are failure to actuate.

4. a kind of Intelligent terminal equipment in intelligent transformer substation Control for Dependability method according to claim 3, it is characterized in that: when described first logic processing module and described second logic processing module carry out logical calculated respectively, adopt the logical process of identical criterion or adopt the logical process of different criterion.

5. a kind of Intelligent terminal equipment in intelligent transformer substation Control for Dependability method according to claim 3, is characterized in that: the described excited data received from communication data transmitting terminal meets DL/T860 substation communication network and system standard defines GOOSE message service format messages.

6. a kind of Intelligent terminal equipment in intelligent transformer substation Control for Dependability method according to claim 3, is characterized in that: described controlled physics components and parts are starting relay and exit relay.