CN104269090B - The analogue system of a kind of power information acquisition terminal wheel secondary control switch and method thereof - Google Patents
The analogue system of a kind of power information acquisition terminal wheel secondary control switch and method thereof Download PDFInfo
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Abstract
本发明涉及采集终端仿真，具体涉及一种用电信息采集终端轮次控制开关的仿真系统及其方法，包括虚负荷电源、三相电能表、用电信息采集终端、10kV高压断路器、低压仿真开关、故障模拟器和仿真控制主机。本发明在保证安全可靠的前提下，实现培训现场和生产现场一致，在培训中模拟故障工况，用以训练企业一线员工对各种用电信息采集终端形成故障现象的认识，提高故障分析和故障排除的能力，积累排除故障的经验，提高电力企业用电信息采集系统运维保障能力。
The present invention relates to collection terminal simulation, in particular to a simulation system and method for controlling a switch of a power consumption information collection terminal round, including a dummy load power supply, a three-phase electric energy meter, a power consumption information collection terminal, a 10kV high-voltage circuit breaker, and a low-voltage simulation system. Switches, fault simulators and simulated control panels. On the premise of ensuring safety and reliability, the present invention realizes that the training site is consistent with the production site, and simulates fault conditions during the training, so as to train the front-line employees of the enterprise to understand the fault phenomena formed by various power consumption information collection terminals, improve fault analysis and The ability to troubleshoot, accumulate experience in troubleshooting, and improve the operation and maintenance support capabilities of power consumption information collection systems for power companies.
Description
技术领域 technical field
本发明涉及采集终端仿真，具体涉及一种用电信息采集终端轮次控制开关的仿真系统及其方法。 The invention relates to a collection terminal simulation, in particular to a simulation system and a method for controlling a turn of a power consumption information collection terminal.
背景技术 Background technique
我国现有的采集终端仿真培训大都采用低压开关和指示灯的串联回路来简单模拟用电信息采集终端的控制输出回路，其电路接线与实际现场的开关控制电路不同，涉及的电气元件及其技术参数差别大，不能够为培训学员提供真实的采集终端培训实操环境。 Most of the existing collection terminal simulation training in my country uses a series circuit of low-voltage switches and indicator lights to simply simulate the control output circuit of the power information collection terminal. The circuit wiring is different from the actual on-site switch control circuit, and the electrical components and technologies involved The parameters vary greatly, and it is impossible to provide trainees with a real acquisition terminal training and operation environment.
现有用电信息采集培训系统应用技术的缺点： Disadvantages of the application technology of the existing electricity information collection and training system:
1、现有用电信息采集培训系统均采用模拟方式，如分合闸指示灯，只有信号指示，无实际负荷开关，无法和生产现场保持一致，不能直观体现现场负荷开关状态的改变，也无法直观展示分合闸开关动作后对生产现场安全运行产生的影响。 1. The existing power consumption information collection and training systems all use analog methods, such as the opening and closing indicator lights, which only have signal indications and no actual load switches, which cannot be consistent with the production site, cannot directly reflect the changes in the status of the on-site load switches, and cannot Visually display the impact of the opening and closing switch on the safe operation of the production site.
2、现有用电信息采集培训系统的技术在现场实际应用中，只能体现正常运行状况，无法模拟故障工况，企业一线员工对正常工况下应用熟练。一旦系统出现故障，绝大多数需要寻求厂家技术人员处理，维修周期长，影响工作效率。 2. The technology of the existing electricity consumption information collection and training system can only reflect the normal operating conditions in actual field application, and cannot simulate fault conditions. The front-line employees of the enterprise are proficient in the application under normal conditions. Once the system fails, most of them need to seek technical personnel from the manufacturer to deal with it. The maintenance cycle is long and affects work efficiency.
发明内容 Contents of the invention
本发明的目的在于提供一种用电信息采集终端轮次控制开关的仿真系统及其方法，解决目前用电信息采集培训系统无法和生产现场保持一致，不能直观体现现场负荷开关状态的改变，也无法模拟出产生故障后状况的问题。 The purpose of the present invention is to provide a simulation system and method for controlling the switch of the turn of the power consumption information collection terminal, so as to solve the problem that the current power consumption information collection training system cannot be consistent with the production site, and cannot directly reflect the change of the on-site load switch state. Problems that create post-failure conditions cannot be simulated.
为解决上述的技术问题，本发明采用以下技术方案：一种用电信息采集终端轮次控制开关的仿真系统，包括虚负荷电源、三相电能表、用电信息采集终端、10kV高压断路器、低压仿真开关、故障模拟器和仿真控制主机； In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions: a simulation system for the round control switch of the electricity consumption information collection terminal, including a dummy load power supply, a three-phase electric energy meter, a power consumption information collection terminal, a 10kV high-voltage circuit breaker, Low-voltage simulation switch, fault simulator and simulation control host;
所述虚负荷电源，由仿真控制主机控制其启动、停止和复位，对三相电能表和用电信息采集终端提供三相电压和三相电流； The virtual load power supply is controlled by the simulation control host to start, stop and reset, and provide three-phase voltage and three-phase current to the three-phase electric energy meter and the power consumption information collection terminal;
所述三相电能表，对虚负荷电源正常和故障运行工况进行计量，并通过RS485线将相关数据和信息传输给用电信息采集终端； The three-phase electric energy meter measures the normal and faulty operating conditions of the virtual load power supply, and transmits relevant data and information to the power consumption information collection terminal through the RS485 line;
所述用电信息采集终端，通过RS485线从三相电能表获取电能量信息，采用GPRS公用无线网络与主站通信，将用电信息（电压、电流、功率、电能量、功率因数、事件等）上传到主站，并从主站接受指令，向10kV高压断路器和低压仿真开关有序输出控制信号，仿真现场有序用电控制过程； The power consumption information collection terminal obtains power energy information from the three-phase electric energy meter through the RS485 line, communicates with the master station through the GPRS public wireless network, and collects power consumption information (voltage, current, power, power energy, power factor, events, etc.) ) upload to the main station, and receive instructions from the main station, output control signals to the 10kV high-voltage circuit breaker and low-voltage simulation switch in an orderly manner, and simulate the orderly power consumption control process on site;
所述10kV高压断路器，内置真空断路器，额定电压12kV，额定电流1240A，额定短路开断电流40kA，其断路器跳闸二次回路常开节点和电信息采集终端的轮次输出端口并联； The 10kV high-voltage circuit breaker has a built-in vacuum circuit breaker with a rated voltage of 12kV, a rated current of 1240A, and a rated short-circuit breaking current of 40kA. The normally open node of the secondary circuit of the circuit breaker tripping is connected in parallel with the round output port of the electrical information collection terminal;
所述低压仿真开关，与一只氖管灯泡串联，控制其开断； The low-voltage simulation switch is connected in series with a neon tube bulb to control its disconnection;
所述故障模拟器，模拟虚负荷电源和三相电能表之间的电压电流故障、模拟虚负荷电源和用电信息采集终端之间的电压传输故障、模拟三相电能表和用电信息采集终端之间的信号传输故障、模拟用电信息采集终端和10kV高压断路器之间的信号传输故障、模拟用电信息采集终端和低压仿真开关之间的信号传输故障； The fault simulator simulates the voltage and current fault between the virtual load power supply and the three-phase electric energy meter, simulates the voltage transmission fault between the virtual load power supply and the electricity consumption information collection terminal, and simulates the three-phase electric energy meter and the electricity consumption information collection terminal The signal transmission failure between the simulated power consumption information collection terminal and the 10kV high-voltage circuit breaker, the signal transmission failure between the simulated power consumption information collection terminal and the low-voltage simulation switch;
所述仿真控制主机，其2个串行输出端口分别与虚负荷电源和故障模拟器连接，采集虚负荷电源和故障模拟器的状态信息，输出控制信号以调节虚负荷电源参数。 Two serial output ports of the simulation control host are respectively connected to the dummy load power supply and the fault simulator to collect status information of the dummy load power supply and the fault simulator, and output control signals to adjust the parameters of the dummy load power supply.
更进一步的技术方案是，根据权利要求1所述的一种用电信息采集终端轮次控制开关的仿真系统，其特征在于：所述虚负荷电源的电压调节范围在0到220V，同相电压和电流之间的相角的调节范围在0˚至360˚。 A further technical solution is, according to claim 1, a simulation system for controlling switches of power consumption information collection terminals, characterized in that: the voltage adjustment range of the dummy load power supply is 0 to 220V, and the same-phase voltage and The phase angle between currents can be adjusted from 0° to 360°.
更进一步的技术方案是，所述三相电能表是DSS825三相三线电子式电能表，所述用电信息采集终端是CL790E型专变采集终端，所述10kV高压断路器是XGN-12型交流高压金属封闭10kV断路器，所述低压仿真开关是16A低压按钮开关。 A further technical solution is that the three-phase electric energy meter is a DSS825 three-phase three-wire electronic electric energy meter, the electricity consumption information collection terminal is a CL790E special variable collection terminal, and the 10kV high-voltage circuit breaker is an XGN-12 type AC A high-voltage metal-enclosed 10kV circuit breaker, and the low-voltage dummy switch is a 16A low-voltage button switch.
一种用电信息采集终端轮次控制开关的仿真方法，包括以下步骤： A method for simulating a turn control switch of a power consumption information collection terminal, comprising the following steps:
步骤一，利用仿真控制主机为电能表和用电信息采集终端设置各种典型的负荷曲线，仿真实际电力负荷运行状况； Step 1, use the simulation control host to set various typical load curves for the energy meter and the power consumption information collection terminal, and simulate the actual power load operation status;
步骤二，当电力负荷达到用电信息采集终端的功率或电能控制启动条件时，用电信息采集终端输出轮次控制信号，依次对10kV断路器和低压仿真开关进行有序控制； Step 2, when the power load reaches the power or power control starting condition of the power consumption information collection terminal, the power consumption information collection terminal outputs a round control signal to sequentially control the 10kV circuit breaker and the low-voltage simulation switch;
步骤三，故障模拟器对各电源回路、信号回路、轮次控制输出回路设置故障，仿真实际生产现场，提供全真的训练环境。 Step 3, the fault simulator sets faults for each power supply circuit, signal circuit, and round control output circuit, simulates the actual production site, and provides a real training environment.
本发明在保证安全可靠的前提下，实现培训现场和生产现场一致，在培训中模拟故障工况，用以训练企业一线员工对各种用电信息采集终端形成故障现象的认识，提高故障分析和故障排除的能力，积累排除故障的经验，提高电力企业用电信息采集系统运维保障能力。 On the premise of ensuring safety and reliability, the present invention realizes that the training site is consistent with the production site, and simulates fault conditions in the training, so as to train the front-line employees of the enterprise to understand the fault phenomena formed by various power consumption information collection terminals, and improve fault analysis and The ability to troubleshoot, accumulate experience in troubleshooting, and improve the operation and maintenance support capabilities of power consumption information collection systems for power companies.
附图说明 Description of drawings
图1为本发明一种用电信息采集终端轮次控制开关的仿真系统连接示意图。 Fig. 1 is a connection schematic diagram of a simulation system of a turn control switch of a power consumption information collection terminal according to the present invention.
具体实施方式 detailed description
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。 In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
图1示出了本发明一种用电信息采集终端轮次控制开关的仿真系统的一个实施例：一种用电信息采集终端轮次控制开关的仿真系统，包括虚负荷电源、三相电能表、用电信息采集终端、10kV高压断路器、低压仿真开关、故障模拟器和仿真控制主机； Fig. 1 shows an embodiment of a simulation system of a turn control switch of a power consumption information collection terminal of the present invention: a simulation system of a power consumption information collection terminal turn control switch, including a dummy load power supply, a three-phase electric energy meter , Electricity information collection terminal, 10kV high voltage circuit breaker, low voltage simulation switch, fault simulator and simulation control host;
所述虚负荷电源，由仿真控制主机控制其启动、停止和复位，对三相电能表和用电信息采集终端提供三相电压和三相电流； The virtual load power supply is controlled by the simulation control host to start, stop and reset, and provide three-phase voltage and three-phase current to the three-phase electric energy meter and the power consumption information collection terminal;
所述三相电能表，对虚负荷电源正常和故障运行工况进行计量，并通过RS485线将相关数据和信息传输给用电信息采集终端； The three-phase electric energy meter measures the normal and faulty operating conditions of the virtual load power supply, and transmits relevant data and information to the power consumption information collection terminal through the RS485 line;
所述用电信息采集终端，通过RS485线从三相电能表获取电能量信息，采用GPRS公用无线网络与主站通信，将用电信息（电压、电流、功率、电能量、功率因数、事件等）上传到主站，并从主站接受指令，向10kV高压断路器和低压仿真开关有序输出控制信号，仿真现场有序用电控制过程； The power consumption information collection terminal obtains power energy information from the three-phase electric energy meter through the RS485 line, communicates with the master station through the GPRS public wireless network, and collects power consumption information (voltage, current, power, power energy, power factor, events, etc.) ) upload to the main station, and receive instructions from the main station, output control signals to the 10kV high-voltage circuit breaker and low-voltage simulation switch in an orderly manner, and simulate the orderly power consumption control process on site;
所述10kV高压断路器，内置真空断路器，额定电压12kV，额定电流1240A，额定短路开断电流40kA，其断路器跳闸二次回路常开节点和电信息采集终端的轮次输出端口并联； The 10kV high-voltage circuit breaker has a built-in vacuum circuit breaker with a rated voltage of 12kV, a rated current of 1240A, and a rated short-circuit breaking current of 40kA. The normally open node of the secondary circuit of the circuit breaker tripping is connected in parallel with the round output port of the electrical information collection terminal;
所述低压仿真开关，与一只氖管灯泡串联，控制其开断； The low-voltage simulation switch is connected in series with a neon tube bulb to control its disconnection;
所述故障模拟器，模拟虚负荷电源和三相电能表之间的电压电流故障、模拟虚负荷电源和用电信息采集终端之间的电压传输故障、模拟三相电能表和用电信息采集终端之间的信号传输故障、模拟用电信息采集终端和10kV高压断路器之间的信号传输故障、模拟用电信息采集终端和低压仿真开关之间的信号传输故障； The fault simulator simulates the voltage and current fault between the virtual load power supply and the three-phase electric energy meter, simulates the voltage transmission fault between the virtual load power supply and the electricity consumption information collection terminal, and simulates the three-phase electric energy meter and the electricity consumption information collection terminal The signal transmission failure between the simulated power consumption information collection terminal and the 10kV high-voltage circuit breaker, the signal transmission failure between the simulated power consumption information collection terminal and the low-voltage simulation switch;
所述仿真控制主机，其2个串行输出端口分别与虚负荷电源和故障模拟器连接，采集虚负荷电源和故障模拟器的状态信息，输出控制信号以调节虚负荷电源参数。 Two serial output ports of the simulation control host are respectively connected to the dummy load power supply and the fault simulator to collect status information of the dummy load power supply and the fault simulator, and output control signals to adjust the parameters of the dummy load power supply.
所述主站，即为用电信息采集系统的主站，包括一套专用、成熟、完整的软件和硬件设备，能够通过通讯网络与用电信息采集终端通讯，完成远方电量采集、计量监测及报警、远方开关控制、有序用电管理等功能，主站采用开放的分布网络结构，采用客户、服务器系统结构的基本框架，遵循有关的国际标准和工业标准。用电信息采集系统是使用现代计算机技术、通讯技术、系统集成和数据采集技术，将众多计量点的数据进行自动采集，自动传输，并且在电脑上自动统计、分析的综合自动化系统。 The main station is the main station of the electricity consumption information collection system, including a set of dedicated, mature and complete software and hardware equipment, which can communicate with the electricity consumption information collection terminal through the communication network to complete remote electricity collection, metering monitoring and Alarm, remote switch control, orderly power consumption management and other functions, the main station adopts an open distributed network structure, adopts the basic framework of the client and server system structure, and follows the relevant international standards and industrial standards. The electricity consumption information collection system is a comprehensive automation system that uses modern computer technology, communication technology, system integration and data collection technology to automatically collect and transmit the data of many metering points, and automatically count and analyze them on the computer.
根据本发明一种用电信息采集终端轮次控制开关的仿真系统的一个优选实施例，所述虚负荷电源的输出电流调节范围在0到额定值之间，输出电压调节范围在0到220V，同相电压和电流之间的相角的调节范围在0˚至360˚，其值由电压表、电流表及相角表显示。虚负荷电源由信号产生器和功率放大器组成，采用电子技术将正铉50HZ信号裂相为三相信号源，经功率放大器输出幅值，相位可调节的三相电压和三相电流提供给负载。虚负荷电源默认输出为电压57.7V，电流5A，相位角为0，幅度为100%。 According to a preferred embodiment of the simulation system of the round control switch of the power consumption information collection terminal of the present invention, the output current adjustment range of the dummy load power supply is between 0 and the rated value, and the output voltage adjustment range is between 0 and 220V. The adjustment range of the phase angle between the same phase voltage and current is from 0° to 360°, and its value is displayed by the voltmeter, ammeter and phase angle meter. The virtual load power supply is composed of a signal generator and a power amplifier. Electronic technology is used to split the positive 50HZ signal into a three-phase signal source. The power amplifier outputs three-phase voltage and three-phase current with adjustable amplitude and phase to the load. The default output of the phantom load power supply is voltage 57.7V, current 5A, phase angle 0, amplitude 100%.
根据本发明一种用电信息采集终端轮次控制开关的仿真系统的另一个优选实施例，所述三相电能表是DSS825三相三线电子式电能表，基本电压3X100V，基本电流：3X1.5（6）A，准确度等级：1级；额定频率：50Hz，功率消耗：电压电路≤1W；标准工作温度：-20~+45℃；所述用电信息采集终端是CL790E型专变采集终端，用电信息采集终端的电源线、RS485线、控制信号输出线都依次接入了故障模拟器，由模拟装置对终端的输入、输出线路设置各种现场可能出现的故障，为培训学员提供现场仿真环境；所述10kV高压断路器是XGN-12型交流高压金属封闭10kV断路器，内置真空断路器，采用真空灭弧室、免维护、寿命长、操作次数可达到10000次，10kV高压断路器的额定电压12kV，额定电流1240A，额定短路开断电流40kA，外形尺寸（宽*深*高）为1100*1200*2650mm；所述低压仿真开关是16A低压按钮开关。 According to another preferred embodiment of the simulation system of the round control switch of the electricity consumption information collection terminal of the present invention, the three-phase electric energy meter is a DSS825 three-phase three-wire electronic electric energy meter with a basic voltage of 3X100V and a basic current of 3X1.5 (6) A, accuracy level: level 1; rated frequency: 50Hz, power consumption: voltage circuit ≤ 1W; standard operating temperature: -20~+45°C; the power consumption information collection terminal is CL790E special variable collection terminal , the power line, RS485 line, and control signal output line of the power consumption information collection terminal are all connected to the fault simulator in turn, and the input and output lines of the terminal are set by the simulation device for various faults that may occur on site, providing on-site training for trainees. Simulation environment; the 10kV high-voltage circuit breaker is an XGN-12 AC high-voltage metal-enclosed 10kV circuit breaker, with a built-in vacuum circuit breaker, a vacuum interrupter, maintenance-free, long life, and 10,000 operations. The 10kV high-voltage circuit breaker The rated voltage is 12kV, the rated current is 1240A, the rated short-circuit breaking current is 40kA, and the overall dimensions (width*depth*height) are 1100*1200*2650mm; the low-voltage simulation switch is a 16A low-voltage button switch.
所述用电信息采集终端的开关轮次输出4回控制信号，第1、2回分别接入2台高压断路器跳闸二次回路，第3、4回分别接入2只低压仿真开关，模拟控制另外两路电力负荷，4回控制线都依次接入故障模拟器，由故障模拟器生成现场可能出现的各种终端输出控制信号故障现象，供培训学员排查。用电信息采集终端第3、4号轮次输出控制端口与2只按钮开关回路分别串联，当用电信息采集终端输出第3、4号轮次跳闸控制信号时，低压仿真开关回路断开，对应的氖管灯泡熄灭，仿真用电负荷有序跳闸。 The switch rounds of the electricity consumption information collection terminal output 4 control signals, the first and second times are respectively connected to the secondary circuits of two high-voltage circuit breakers tripping, and the third and fourth times are respectively connected to two low-voltage simulation switches to simulate To control the other two electrical loads, the four control lines are all connected to the fault simulator in turn, and the fault simulator generates various terminal output control signal faults that may occur on site for the trainees to check. The No. 3 and No. 4 round output control ports of the power consumption information collection terminal are connected in series with the two button switch circuits respectively. When the No. 3 and No. 4 round trip control signals are output by the power consumption information collection terminal, the low-voltage simulation switch circuit is disconnected. The corresponding neon bulbs are extinguished, and the simulated electric load trips in an orderly manner.
本发明提供了一种用电信息采集终端轮次控制开关的仿真方法的一个实施例：一种用电信息采集终端轮次控制开关的仿真方法，包括以下步骤： The present invention provides an embodiment of a method for simulating a turn control switch of a power consumption information collection terminal: a method for simulating a turn control switch of a power consumption information collection terminal, comprising the following steps:
步骤一，利用仿真控制主机为电能表和用电信息采集终端设置各种典型的负荷曲线，仿真实际电力负荷运行状况； Step 1, use the simulation control host to set various typical load curves for the energy meter and the power consumption information collection terminal, and simulate the actual power load operation status;
步骤二，当电力负荷达到用电信息采集终端的功率或电能控制启动条件时，用电信息采集终端输出轮次控制信号，依次对10kV断路器和低压仿真开关进行有序控制； Step 2, when the power load reaches the power or power control starting condition of the power consumption information collection terminal, the power consumption information collection terminal outputs a round control signal to sequentially control the 10kV circuit breaker and the low-voltage simulation switch;
步骤三，故障模拟器对各电源回路、信号回路、轮次控制输出回路设置故障，仿真实际生产现场，提供全真的训练环境。 Step 3, the fault simulator sets faults for each power supply circuit, signal circuit, and round control output circuit, simulates the actual production site, and provides a real training environment.
本发明可以根据培训学习需要，教师在用电信息采集终端轮次仿真控制主机上操作故障设置软件，控制故障模拟器，对各电压、电流、信号回路设置故障，模拟现场运行可能出现的各种用电信息采集系统轮次控制故障组合，为培训学员提供全仿真训练环境。 According to the needs of training and learning, the present invention can operate the fault setting software on the power consumption information collection terminal round simulation control host, control the fault simulator, set faults for each voltage, current, and signal loop, and simulate various possible occurrences in field operation. The power consumption information collection system controls the fault combination in turn, providing a full simulation training environment for trainees.
尽管这里参照本发明的多个解释性实施例对本发明进行了描述，但是，应该理解，本领域技术人员可以设计出很多其他的修改和实施方式，这些修改和实施方式将落在本申请公开的原则范围和精神之内。更具体地说，在本申请公开、附图和权利要求的范围内，可以对主题组合布局的组成部件和/或布局进行多种变型和改进。除了对组成部件和/或布局进行的变形和改进外，对于本领域技术人员来说，其他的用途也将是明显的。 Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it is to be understood that numerous other modifications and implementations can be devised by those skilled in the art which will fall within the scope of the disclosure disclosed in this application. within the scope and spirit of the principles. More specifically, within the scope of the disclosure, drawings and claims of the present application, various modifications and improvements can be made to the components and/or layout of the subject combination layout. In addition to variations and modifications to the component parts and/or layout, other uses will be apparent to those skilled in the art.
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