WO2014101274A1 - Data acquisition device detection and evaluation system - Google Patents
Data acquisition device detection and evaluation system Download PDFInfo
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- WO2014101274A1 WO2014101274A1 PCT/CN2013/001418 CN2013001418W WO2014101274A1 WO 2014101274 A1 WO2014101274 A1 WO 2014101274A1 CN 2013001418 W CN2013001418 W CN 2013001418W WO 2014101274 A1 WO2014101274 A1 WO 2014101274A1
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Definitions
- the invention belongs to the field of power systems, and in particular relates to a data collector detection and evaluation system. Background technique
- Bar code Hand Terminal also known as inventory machine, handheld computer. It is a terminal computer device that integrates the bar code scanning device with the data terminal and has a battery that can be operated offline. With real-time acquisition, automatic storage, instant display, instant feedback, automatic processing, automatic transmission. Provides assurance of the authenticity, validity, real-time, and usability of the field data. It is one-piece, maneuverable, small, lightweight, high-performance, and suitable for handheld use.
- the data collector in the electronic transformer is the first step in converting the current into a digital message.
- the quality of the data collector directly affects the output of the digital sensor of the electronic transformer, which in turn affects the detection result. Therefore, the focus of the detection of data collectors in electronic transformers in the field of electronic transformer detection.
- the performance of the data collector directly reflects the analog-to-digital conversion capability of the electronic transformer, which in turn affects the steady-state accuracy, transient accuracy, and stability of the digital output of the electronic transformer.
- the factors that determine the performance and stability of electronic transformers are mainly as follows: See Table 1:
- the present invention provides a data collector detection and evaluation system for comprehensively and multi-angle analysis and evaluation of electronic transformer data acquisition in environments such as electromagnetic interference, high and low temperature, temperature change rate, and vibration. The device is tested and evaluated.
- the present invention provides a data collector detection and evaluation system, which is improved in that the system includes: a data collector physical state detector, a data collector, an optical splitter, a simulation combining unit, And an electronic transformer state analysis and evaluation platform; the data collector physical state detector communicates with the data collector and the optical splitter respectively; the data collector, the optical splitter, the simulation combining unit, And the electronic transformer state analysis and evaluation platform is sequentially connected.
- the data collector physical state detector is configured to monitor physical environment parameters inside the electronic transformer.
- the physical environment parameters include: temperature and humidity.
- the electronic transformer state analysis and evaluation platform includes: a reference excitation source, a measured synchronous electronic transformer, and a detection device that receive the simulated merge unit data; The excitation source sends a signal to the measured synchronous electronic transformer and the detecting device, respectively, and the measured synchronous electronic transformer and the detecting device perform data interaction.
- the detecting device includes: a measured waveform unit, a sampling synchronization signal unit, a received waveform unit, and a calculation analysis unit; and the simulated waveform unit receives the simulation of the reference excitation source a sampling synchronization signal unit respectively transmitting a synchronization signal to the measured waveform unit and the measured synchronous electronic transformer; the receiving waveform unit receiving a waveform signal sent by the measured synchronous electronic transformer; The calculation analyzing unit performs calculation analysis on the received signals of the measured waveform unit and the received waveform unit.
- the calculation and analysis unit is obtained through calculation and analysis.
- the present invention provides a data collector detection and evaluation system, which ensures the reliability of data acquisition of intelligent substation from the source of data collection, ensures stable operation of the power grid, reduces maintenance costs, and reduces losses caused by power outages of the power grid. .
- Figure 1 is a schematic diagram of the structure of the data collector detection and evaluation system.
- Figure 2 is a schematic diagram showing the structure of an electronic transformer state analysis and evaluation platform.
- a data collector detection and evaluation system includes: a data collector physical state detector, a data collector, an optical splitter, a simulation merging unit, and an electronic transformer state analysis and evaluation platform; a data collector physical state detector is respectively in communication with the data collector and the optical splitter; the data collector, the optical splitter, the simulation combining unit, and the electronic transformer state analysis and evaluation The platforms are connected in turn.
- the data collector physical state detector is configured to monitor physical environment parameters inside the electronic transformer. Physical environment parameters include: temperature and humidity.
- the electronic transformer state analysis and evaluation platform includes: a reference excitation source for receiving the simulated merge unit data, a measured synchronous electronic transformer and a detecting device; and the reference excitation source respectively
- the measured synchronous electronic transformer and the detecting device transmit a signal, and the measured synchronous electronic transformer and the detecting device perform data interaction.
- the detecting device includes: a measured waveform unit, a sampling synchronization signal unit, a receiving waveform unit, and a calculation analyzing unit; the measured waveform unit receives an analog signal of the reference excitation source; and the sampling synchronization signal unit respectively.
- the measured waveform unit and the measured synchronous electronic transformer send a synchronization signal; the received waveform unit receives a waveform signal sent by the measured synchronous electronic transformer;
- the calculation analyzing unit performs calculation analysis on the received signals of the measured waveform unit and the received waveform unit.
- the calculation and analysis unit obtains the following parameters through calculation and analysis: amplitude accuracy, signal delay, transmission unevenness, and delay jitter.
- the data collector detection and evaluation system is further explained by the following embodiments.
- the synchronous signal is sent to the synchronous electronic transformer and the reference excitation source to be measured, and the synchronous electronic transformer is compared with the waveform of the reference excitation source to calculate: amplitude accuracy; signal Delay; transmission non-uniformity; delay jitter.
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Abstract
Provided is a data acquisition device detection and evaluation system, comprising: a data acquisition device physical state detector, a data acquisition device, an optical splitter, a simulative merge unit, and an electronic mutual-inductor state analyzing and evaluating platform; the data acquisition device physical state detector communicates with the data acquisition device and the optical splitter respectively; the data acquisition device, the optical splitter, the simulative merge unit and the electronic mutual-inductor state analyzing and evaluating platform are connected sequentially. The data acquisition device detection and evaluation system detects and evaluates from all directions and multiple angles a data acquisition device having an electronic mutual-inductor under the circumstances of electromagnetic interference, high/low temperature, temperature change rate, vibration and the like.
Description
数据采集器检测与评估系统 Data collector detection and evaluation system
技术领域 Technical field
本发明属于电力系统领域， 具体涉及一种数据采集器检测与评估系统。 背景技术 The invention belongs to the field of power systems, and in particular relates to a data collector detection and evaluation system. Background technique
数据采集器 （Bar code Hand Terminal ), 又称盘点机、 掌上电脑。 它是将 条码扫描装置与数据终端一体化， 带有电池可离线操作的终端电脑设备。 具备 实时采集、 自动存储、 即时显示、 即时反馈、 自动处理、 自动传输功能。 为现 场数据的真实性、 有效性、 实时性、 可用性提供了保证。 其具有一体性、 机动 性、 体积小、 重量轻、 高性能， 并适于手持等特点。 Bar code Hand Terminal, also known as inventory machine, handheld computer. It is a terminal computer device that integrates the bar code scanning device with the data terminal and has a battery that can be operated offline. With real-time acquisition, automatic storage, instant display, instant feedback, automatic processing, automatic transmission. Provides assurance of the authenticity, validity, real-time, and usability of the field data. It is one-piece, maneuverable, small, lightweight, high-performance, and suitable for handheld use.
电子互感器中的数据采集器是把电流转换成数字报文的第一环节。 数据采 集器的好坏直接影响电子互感器数字量报文的输出， 进而影响检测结果。 所以 针对于电子互感器中数据采集器的检测在电子互感器检测领域的重点。 The data collector in the electronic transformer is the first step in converting the current into a digital message. The quality of the data collector directly affects the output of the digital sensor of the electronic transformer, which in turn affects the detection result. Therefore, the focus of the detection of data collectors in electronic transformers in the field of electronic transformer detection.
数据采集器性能好坏直接反应了电子式互感器的模数转换能力， 进而影响 电子互感器的数字量输出的稳态精度、 暂态精度、 稳定度。 决定电子互感器性 能和稳定度的因素主要有以下几个方面， 见表 1 : The performance of the data collector directly reflects the analog-to-digital conversion capability of the electronic transformer, which in turn affects the steady-state accuracy, transient accuracy, and stability of the digital output of the electronic transformer. The factors that determine the performance and stability of electronic transformers are mainly as follows: See Table 1:
表 1 数据采集器影响因素 Table 1 Data collector impact factors
序号 影响因素 Serial number
1 温湿度影响 1 Temperature and humidity effects
2 电磁环境影响 2 Electromagnetic environment impact
3 老化程度影响 3 degree of aging
4 数字量输出稳定度影响 4 Digital output stability impact
5 与合并单元互操作影响 5 Interoperability with the merging unit
6 数字量光输出影响
发明内容 6 digital light output effect Summary of the invention
为克服上述缺陷， 本发明提供了一种数据采集器检测与评估系统， 在全方 位、 多角度分析与评估在电磁干扰、 高低温、 温度变化速率、 振动等环境下对 电子式互感器数据采集器进行检测与评估。 In order to overcome the above drawbacks, the present invention provides a data collector detection and evaluation system for comprehensively and multi-angle analysis and evaluation of electronic transformer data acquisition in environments such as electromagnetic interference, high and low temperature, temperature change rate, and vibration. The device is tested and evaluated.
为实现上述目的， 本发明提供一种数据采集器检测与评估系统， 其改进之 处在于， 所述系统包括： 数据采集器物理状态检测仪、 数据采集器、 光分路器、 仿真合并单元、 和电子式互感器状态分析与评估平台； 数据采集器物理状态检 测仪分别与所述数据采集器和光分路器通信； 所述数据采集器、 所述光分路器、 所述仿真合并单元、 和所述电子式互感器状态分析与评估平台依次连接。 To achieve the above object, the present invention provides a data collector detection and evaluation system, which is improved in that the system includes: a data collector physical state detector, a data collector, an optical splitter, a simulation combining unit, And an electronic transformer state analysis and evaluation platform; the data collector physical state detector communicates with the data collector and the optical splitter respectively; the data collector, the optical splitter, the simulation combining unit, And the electronic transformer state analysis and evaluation platform is sequentially connected.
本发明提供的优选技术方案中， 所述数据采集器物理状态检测仪， 用于对 电子互感器内部的物理环境参数进行监测。 In a preferred technical solution provided by the present invention, the data collector physical state detector is configured to monitor physical environment parameters inside the electronic transformer.
本发明提供的第二优选技术方案中， 物理环境参数包括： 温度和湿度。 本发明提供的第三优选技术方案中， 所述电子式互感器状态分析与评估平 台， 包括： 接收所述仿真合并单元数据的基准激励源、 被测同步电子互感器和 检测设备； 所述基准激励源分别向所述被测同步电子互感器和检测设备发送信 号， 所述被测同步电子互感器和所述检测设备进行数据交互。 In a second preferred technical solution provided by the present invention, the physical environment parameters include: temperature and humidity. In a third preferred technical solution provided by the present invention, the electronic transformer state analysis and evaluation platform includes: a reference excitation source, a measured synchronous electronic transformer, and a detection device that receive the simulated merge unit data; The excitation source sends a signal to the measured synchronous electronic transformer and the detecting device, respectively, and the measured synchronous electronic transformer and the detecting device perform data interaction.
本发明提供的第四优选技术方案中， 所述检测设备， 包括： 测得波形单元、 采样同步信号单元、 接收波形单元和计算分析单元； 所述测得波形单元接收所 述基准激励源的模拟信号； 所述采样同步信号单元分别向所述测得波形单元和 所述被测同步电子互感器发送同步信号； 所述接收波形单元接收所述被测同步 电子互感器发送的波形信号； 所述计算分析单元将接受到的所述测得波形单元 和所述接收波形单元的信号进行计算分析。 In a fourth preferred technical solution provided by the present invention, the detecting device includes: a measured waveform unit, a sampling synchronization signal unit, a received waveform unit, and a calculation analysis unit; and the simulated waveform unit receives the simulation of the reference excitation source a sampling synchronization signal unit respectively transmitting a synchronization signal to the measured waveform unit and the measured synchronous electronic transformer; the receiving waveform unit receiving a waveform signal sent by the measured synchronous electronic transformer; The calculation analyzing unit performs calculation analysis on the received signals of the measured waveform unit and the received waveform unit.
本发明提供的第五优选技术方案中， 所述计算分析单元通过计算分析得到
如下参数： 幅值精度、 信号延时、 传输不均匀性和延时抖动。 In a fifth preferred technical solution provided by the present invention, the calculation and analysis unit is obtained through calculation and analysis. The following parameters: amplitude accuracy, signal delay, transmission non-uniformity and delay jitter.
与现有技术比， 本发明提供的一种数据采集器检测与评估系统， 从数据采 集的源头保障智能变电站数据采集的可靠性， 保障电网稳定运行， 减少维护成 本的同时减少电网停电造成的损失。 Compared with the prior art, the present invention provides a data collector detection and evaluation system, which ensures the reliability of data acquisition of intelligent substation from the source of data collection, ensures stable operation of the power grid, reduces maintenance costs, and reduces losses caused by power outages of the power grid. .
附图说明 DRAWINGS
图 1为数据采集器检测与评估系统的结构示意图。 Figure 1 is a schematic diagram of the structure of the data collector detection and evaluation system.
图 2为电子式互感器状态分析与评估平台的结构示意图。 Figure 2 is a schematic diagram showing the structure of an electronic transformer state analysis and evaluation platform.
具体实施方式 detailed description
如图 1所示， 一种数据采集器检测与评估系统， 包括： 数据采集器物理状态 检测仪、 数据采集器、 光分路器、 仿真合并单元、 和电子式互感器状态分析与 评估平台； 数据采集器物理状态检测仪分别与所述数据采集器和光分路器通信; 所述数据采集器、 所述光分路器、 所述仿真合并单元、 和所述电子式互感器状 态分析与评估平台依次连接。 As shown in FIG. 1 , a data collector detection and evaluation system includes: a data collector physical state detector, a data collector, an optical splitter, a simulation merging unit, and an electronic transformer state analysis and evaluation platform; a data collector physical state detector is respectively in communication with the data collector and the optical splitter; the data collector, the optical splitter, the simulation combining unit, and the electronic transformer state analysis and evaluation The platforms are connected in turn.
所述数据采集器物理状态检测仪， 用于对电子互感器内部的物理环境参数 进行监测。 物理环境参数包括： 温度和湿度。 The data collector physical state detector is configured to monitor physical environment parameters inside the electronic transformer. Physical environment parameters include: temperature and humidity.
如图 2所示， 所述电子式互感器状态分析与评估平台， 包括： 接收所述仿 真合并单元数据的基准激励源、 被测同步电子互感器和检测设备； 所述基准激 励源分别向所述被测同步电子互感器和检测设备发送信号， 所述被测同步电子 互感器和所述检测设备进行数据交互。 As shown in FIG. 2, the electronic transformer state analysis and evaluation platform includes: a reference excitation source for receiving the simulated merge unit data, a measured synchronous electronic transformer and a detecting device; and the reference excitation source respectively The measured synchronous electronic transformer and the detecting device transmit a signal, and the measured synchronous electronic transformer and the detecting device perform data interaction.
所述检测设备， 包括： 测得波形单元、 采样同步信号单元、 接收波形单元 和计算分析单元； 所述测得波形单元接收所述基准激励源的模拟信号； 所述采 样同步信号单元分别向所述测得波形单元和所述被测同步电子互感器发送同步 信号； 所述接收波形单元接收所述被测同步电子互感器发送的波形信号； 所述
计算分析单元将接受到的所述测得波形单元和所述接收波形单元的信号进行计 算分析。 The detecting device includes: a measured waveform unit, a sampling synchronization signal unit, a receiving waveform unit, and a calculation analyzing unit; the measured waveform unit receives an analog signal of the reference excitation source; and the sampling synchronization signal unit respectively The measured waveform unit and the measured synchronous electronic transformer send a synchronization signal; the received waveform unit receives a waveform signal sent by the measured synchronous electronic transformer; The calculation analyzing unit performs calculation analysis on the received signals of the measured waveform unit and the received waveform unit.
所述计算分析单元通过计算分析得到如下参数： 幅值精度、 信号延时、 传 输不均匀性和延时抖动。 The calculation and analysis unit obtains the following parameters through calculation and analysis: amplitude accuracy, signal delay, transmission unevenness, and delay jitter.
通过以下实施例对数据采集器检测与评估系统做进一步解释。 The data collector detection and evaluation system is further explained by the following embodiments.
通过研发数据采集器物理状态监测仪， 电子式互感器仿真合并单元， 电子 式互感器状态分析与评估软件平台， 以及中国电科院现有的检测和测试环境。 如图 1所示。 Through the development of data collector physical condition monitor, electronic transformer simulation and merger unit, electronic transformer state analysis and evaluation software platform, and the existing testing and testing environment of China Electric Power Research Institute. As shown in Figure 1.
全方位、 多角度分析与评估在电磁干扰、 高低温、 温度变化速率、 振动等 环境下对电子式互感器数据采集器以下几个方面进行检测与评估： Omni-directional, multi-angle analysis and evaluation In the electromagnetic interference, high and low temperature, temperature change rate, vibration and other environments, the following aspects of the electronic transformer data collector are tested and evaluated:
1 ) 模数转换过程中产生的误差； 1) errors generated during analog-to-digital conversion;
2 ) 数字量传输接口性能； 2) digital transmission interface performance;
3 ) 暂态、 稳态特性； 3) transient and steady state characteristics;
4) 有效值测量精度； 4) Measured accuracy of RMS;
5 ) 数据帧结构完整性； 5) data frame structural integrity;
6 ) 数据传输完整性。 6) Data transmission integrity.
如图 2所示， 通过采样同步信号为被测同步电子互感器和基准激励源发送 同步信号， 通过被测同步电子互感器与基准激励源的波形进行对比， 计算得出： 幅值精度； 信号延时； 传输不均匀性； 延时抖动。 As shown in FIG. 2, the synchronous signal is sent to the synchronous electronic transformer and the reference excitation source to be measured, and the synchronous electronic transformer is compared with the waveform of the reference excitation source to calculate: amplitude accuracy; signal Delay; transmission non-uniformity; delay jitter.
需要声明的是， 本发明内容及具体实施方式意在证明本发明所提供技术方 案的实际应用， 不应解释为对本发明保护范围的限定。 本领域技术人员在本发 明的精神和原理启发下， 可作各种修改、 等同替换、 或改进。 但这些变更或修 改均在申请待批的保护范围内。
It is to be understood that the present invention is not limited by the scope of the invention. Various modifications, equivalent substitutions, or improvements can be made by those skilled in the art in light of the spirit and principles of the invention. However, these changes or modifications are within the scope of the application for approval.
Claims
1、 一种数据采集器检测与评估系统， 其特征在于， 所述系统包括： 数据采 集器物理状态检测仪、 数据采集器、 光分路器、 仿真合并单元、 和电子式互感 器状态分析与评估平台； 数据采集器物理状态检测仪分别与所述数据采集器和 光分路器通信； 所述数据采集器、 所述光分路器、 所述仿真合并单元、 和所述 电子式互感器状态分析与评估平台依次连接。 1. A data collector detection and evaluation system, characterized in that the system includes: a data collector physical state detector, a data collector, an optical splitter, a simulation merging unit, and an electronic transformer status analysis and Evaluation platform; The data collector physical state detector communicates with the data collector and the optical splitter respectively; The data collector, the optical splitter, the simulation merging unit, and the electronic transformer status Analysis and evaluation platforms are connected in turn.
2、 根据权利要求 1所述的系统， 其特征在于， 所述数据采集器物理状态检 测仪， 用于对电子互感器内部的物理环境参数进行监测。 2. The system according to claim 1, characterized in that the data collector physical state detector is used to monitor physical environmental parameters inside the electronic transformer.
3、 根据权利要求 2所述的系统， 其特征在于， 物理环境参数包括： 温度和 湿度。 3. The system according to claim 2, wherein the physical environment parameters include: temperature and humidity.
4、 根据权利要求 1所述的系统， 其特征在于， 所述电子式互感器状态分析 与评估平台， 包括： 接收所述仿真合并单元数据的基准激励源、 被测同步电子 互感器和检测设备； 所述基准激励源分别向所述被测同步电子互感器和检测设 备发送信号， 所述被测同步电子互感器和所述检测设备进行数据交互。 4. The system according to claim 1, characterized in that, the electronic transformer status analysis and evaluation platform includes: a reference excitation source that receives data from the simulation merging unit, the measured synchronous electronic transformer and detection equipment. ; The reference excitation source sends signals to the tested synchronous electronic transformer and the detection device respectively, and the tested synchronous electronic transformer and the detection device perform data exchange.
5、 根据权利要求 4所述的系统， 其特征在于， 所述检测设备， 包括： 测得 波形单元、 采样同步信号单元、 接收波形单元和计算分析单元； 所述测得波形 单元接收所述基准激励源的模拟信号； 所述采样同步信号单元分别向所述测得 波形单元和所述被测同步电子互感器发送同步信号； 所述接收波形单元接收所 述被测同步电子互感器发送的波形信号； 所述计算分析单元将接受到的所述测 得波形单元和所述接收波形单元的信号进行计算分析。 5. The system according to claim 4, characterized in that the detection device includes: a measured waveform unit, a sampling synchronization signal unit, a receiving waveform unit and a calculation and analysis unit; the measured waveform unit receives the reference The analog signal of the excitation source; the sampling synchronization signal unit sends synchronization signals to the measured waveform unit and the measured synchronous electronic transformer respectively; the receiving waveform unit receives the waveform sent by the measured synchronous electronic transformer signal; the calculation and analysis unit calculates and analyzes the received signals of the measured waveform unit and the received waveform unit.
6、 根据权利要求 5所述的系统， 其特征在于， 所述计算分析单元通过计算 分析得到如下参数： 幅值精度、 信号延时、 传输不均匀性和延时抖动。
6. The system according to claim 5, characterized in that the calculation and analysis unit obtains the following parameters through calculation and analysis: amplitude accuracy, signal delay, transmission unevenness and delay jitter.
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