WO2014101275A1 - Electronic transformer overall detection and evaluation system - Google Patents
Electronic transformer overall detection and evaluation system Download PDFInfo
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- WO2014101275A1 WO2014101275A1 PCT/CN2013/001419 CN2013001419W WO2014101275A1 WO 2014101275 A1 WO2014101275 A1 WO 2014101275A1 CN 2013001419 W CN2013001419 W CN 2013001419W WO 2014101275 A1 WO2014101275 A1 WO 2014101275A1
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- 238000012360 testing method Methods 0.000 claims abstract description 18
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- 238000004364 calculation method Methods 0.000 claims description 6
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- 238000006243 chemical reaction Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/62—Testing of transformers
Definitions
- the invention belongs to the field of power systems, and particularly relates to an overall system for detecting and evaluating electronic transformers.
- An electronic transformer consisting of one or more current or voltage sensors connected to a transmission system and a secondary converter, using optoelectronic devices for transmitting proportional to the amount being measured, supplying measuring instruments, meters and relay protection or control A device of equipment.
- a group of electronic transformers share a single unit to perform this function.
- the present invention provides an electronic transformer overall detection and evaluation system, which provides a basis and reference for on-site offline calibration of the electronic transformer.
- the present invention provides an electronic transformer overall detection and evaluation system, which is improved in that the system includes: a three-phase standard test source, an electronic transformer, an electronic transformer simulator, and a reference combination. a unit, an industrial Ethernet switch, a GPS timing device, and an electronic transformer state analysis and evaluation platform; the three-phase standard test source respectively transmits data to the electronic transformer and the electronic transformer simulator; Transformer simulator sequentially passes the reference merging unit and industry The Ethernet switch transmits data to the electronic transformer state analysis and evaluation platform; the electronic transformer state analysis and evaluation platform receives data of the electronic transformer through the industrial Ethernet switch; The device transmits a synchronization signal to the electronic transformer and the reference combining unit, respectively
- the electronic transformer state analysis and evaluation platform comprises: a reference excitation source, an asynchronous electronic transformer to be tested, and a detecting device; and the detecting device respectively receives the reference excitation source and the a signal of the measured analog combining unit; the reference excitation source transmits a signal to the measured asynchronous electronic transformer.
- the detecting device includes: a measured waveform unit that receives the reference excitation source analog signal, a received waveform unit that receives the measured asynchronous electronic transformer signal, and receives respectively The measured waveform unit and the calculation analysis unit of the received waveform unit.
- the calculation and analysis unit calculates the received signals of the measured waveform unit and the received waveform unit to obtain the following parameters: amplitude accuracy, signal delay, transmission Non-uniformity and delay jitter.
- the present invention provides an electronic transformer overall detection and evaluation system, which provides a basis and reference for on-site off-line calibration of an electronic transformer, analyzes the amplitude-frequency characteristics, phase-frequency characteristics of the electronic transformer, Transient characteristics and delay characteristics provide a reference for protection and measurement devices. Improve the safety and reliability of operation; and through theoretical analysis and actual measurement, the amplitude-frequency characteristics, phase-frequency characteristics, transient characteristics and delay characteristics of the electronic transformer are obtained, which provides reference for protection and measurement devices; Improve the safety and reliability of electronic transformers operating under various conditions. The effectiveness of the protective measures can be verified by relevant tests.
- FIG. 1 is a schematic structural view of an overall system for detecting and evaluating an electronic transformer.
- 2 is a schematic structural diagram of an electronic transformer state analysis and evaluation platform.
- an electronic transformer overall detection and evaluation system includes: a three-phase standard test source, an electronic transformer, an electronic transformer simulator, a reference merging unit, an industrial Ethernet switch, a GPS timing device, and An electronic transformer state analysis and evaluation platform; the three-phase standard test source respectively transmits data to the electronic transformer and the electronic transformer simulator; the electronic transformer simulator sequentially passes the reference combining unit and An industrial Ethernet switch transmits data to the electronic transformer state analysis and evaluation platform; the electronic transformer state analysis and evaluation platform receives data of the electronic transformer through the industrial Ethernet switch; The device transmits a synchronization signal to the electronic transformer and the reference combining unit, respectively.
- the electronic transformer state analysis and evaluation platform includes: a reference excitation source, an asynchronous electronic transformer to be tested, and a detecting device; the detecting device respectively receives the reference excitation source and the measured device Simulating a signal of the merging unit; the reference excitation source transmitting a signal to the measured asynchronous electronic transformer.
- the detecting device includes: a measured waveform unit that receives the reference excitation source analog signal, a received waveform unit that receives the measured asynchronous electronic transformer signal, and respectively receives the measured waveform unit and the received waveform The unit of computational analysis of the unit.
- the calculation and analysis unit calculates the received signals of the measured waveform unit and the received waveform unit to obtain the following parameters: amplitude accuracy, signal delay, transmission unevenness, and delay jitter.
- the electronic transformer overall detection and evaluation system is further explained by the following embodiments.
- Electronic transformers have certain safety hazards under extreme conditions such as overvoltage and overcurrent. It is necessary to carry out necessary protective measures to improve the safety and reliability of operation. Study the safety protection measures of electronic transformers under extreme conditions such as overvoltage and overcurrent.
- a signal is applied to the measured asynchronous electronic transformer through the reference excitation source, and the FT3 waveform transmitted from the comparison device is compared with the reference source by the inspection device, and is calculated by the inspection device: amplitude accuracy; signal Delay; transmission non-uniformity; delay jitter.
Abstract
An electronic transformer overall detection and evaluation system, comprising: a three-phase standard test source, an electronic transformer, an electronic transformer emulator, a standard merging unit, an industrial Ethernet switch, a GPS timing device, and an electronic transformer status analysis and evaluation platform; the three-phase standard test source transmits data to the electronic transformer and the electronic transformer emulator respectively; the electronic transformer emulator transmits data to the electronic transformer status analysis and evaluation platform via the standard merging unit and the industrial Ethernet switch in sequence; the electronic transformer status analysis and evaluation platform receives the data of the electronic transformer via the industrial Ethernet switch; the GPS timing device sends a synchronization signal to the electronic transformer and the standard merging unit respectively. The electronic transformer overall detection and evaluation system provides a basis and reference for the onsite offline calibration conducted by the electronic transformer.
Description
电子式互感器整体检测与评估系统 Electronic transformer overall detection and evaluation system
技术领域 Technical field
本发明属于电力系统领域， 具体涉及一种电子式互感器整体检测与评估系 统。 The invention belongs to the field of power systems, and particularly relates to an overall system for detecting and evaluating electronic transformers.
背景技术 Background technique
电子式互感器， 由连接到传输系统和二次转换器的一个或多个电流或电压 传感器组成， 采用光电子器件用于传输正比于被测量的量， 供给测量仪器、 仪 表和继电保护或控制设备的一种装置。 在数字接口的情况下， 一组电子式互感 器共用一台合并单元完成此功能。 An electronic transformer consisting of one or more current or voltage sensors connected to a transmission system and a secondary converter, using optoelectronic devices for transmitting proportional to the amount being measured, supplying measuring instruments, meters and relay protection or control A device of equipment. In the case of a digital interface, a group of electronic transformers share a single unit to perform this function.
由于电子互感器的数据传输涉及到一次、 二次两个环节， 其中涉及到一次 转换过程、 二次转换过程。 如何对电子互感器整体检测各个环节进行整体把控、 分布检测， 是当前电子互感器检测领域的一个空白。 Since the data transmission of the electronic transformer involves one time and two times, it involves a conversion process and a secondary conversion process. How to conduct overall control and distribution detection on the whole process of electronic transformers is a blank in the field of electronic transformer detection.
电子互感器在不同干扰和负载环境下在一次转换和二次转换过程中的模拟 量、 模拟量转换后的数字量、 数字量还原到模拟量这一系列过程可能发生的误 差和变化会带来问题。 The error and change that can occur in the series of analog and analog conversion digital quantities and digital quantity reductions to analog quantities of electronic transformers under different interference and load environments problem.
发明内容 Summary of the invention
为克服上述缺陷， 本发明提供了一种电子式互感器整体检测与评估系统， 为电子式互感器的现场离线校准提供依据和参考。 To overcome the above drawbacks, the present invention provides an electronic transformer overall detection and evaluation system, which provides a basis and reference for on-site offline calibration of the electronic transformer.
为实现上述目的， 本发明提供一种电子式互感器整体检测与评估系统， 其 改进之处在于， 所述系统， 包括： 三相标准测试源、 电子互感器、 电子互感器 仿真器、 基准合并单元、 工业以太网交换机、 GPS对时装置和电子式互感器状态 分析与评估平台； 所述三相标准测试源分别向所述电子互感器和所述电子互感 器仿真器传输数据； 所述电子互感器仿真器依次通过所述基准合并单元和工业
以太网交换机向所述电子式互感器状态分析与评估平台传输数据； 所述电子式 互感器状态分析与评估平台通过所述工业以太网交换机接收所述电子互感器的 数据； 所述 GPS对时装置分别向所述电子互感器和所述基准合并单元发送同步信 号 To achieve the above object, the present invention provides an electronic transformer overall detection and evaluation system, which is improved in that the system includes: a three-phase standard test source, an electronic transformer, an electronic transformer simulator, and a reference combination. a unit, an industrial Ethernet switch, a GPS timing device, and an electronic transformer state analysis and evaluation platform; the three-phase standard test source respectively transmits data to the electronic transformer and the electronic transformer simulator; Transformer simulator sequentially passes the reference merging unit and industry The Ethernet switch transmits data to the electronic transformer state analysis and evaluation platform; the electronic transformer state analysis and evaluation platform receives data of the electronic transformer through the industrial Ethernet switch; The device transmits a synchronization signal to the electronic transformer and the reference combining unit, respectively
本发明提供的优选技术方案中， 所述电子式互感器状态分析与评估平台， 包括： 基准激励源、 被测异步电子互感器和检测设备； 所述检测设备分别接收 所述基准激励源和所述被测模拟合并单元的信号； 所述基准激励源向所述被测 异步电子互感器传输信号。 In the preferred technical solution provided by the present invention, the electronic transformer state analysis and evaluation platform comprises: a reference excitation source, an asynchronous electronic transformer to be tested, and a detecting device; and the detecting device respectively receives the reference excitation source and the a signal of the measured analog combining unit; the reference excitation source transmits a signal to the measured asynchronous electronic transformer.
本发明提供的第二优选技术方案中， 所述检测设备， 包括： 接收所述基准 激励源模拟信号的测得波形单元、 接收所述被测异步电子互感器信号的接收波 形单元、 和分别接收所述测得波形单元和所述接收波形单元的计算分析单元。 In a second preferred technical solution provided by the present invention, the detecting device includes: a measured waveform unit that receives the reference excitation source analog signal, a received waveform unit that receives the measured asynchronous electronic transformer signal, and receives respectively The measured waveform unit and the calculation analysis unit of the received waveform unit.
本发明提供的第三优选技术方案中， 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 third preferred technical solution provided by the present invention, the calculation and analysis unit calculates the received signals of the measured waveform unit and the received waveform unit to obtain the following parameters: amplitude accuracy, signal delay, transmission Non-uniformity and delay jitter.
与现有技术比， 本发明提供的一种电子式互感器整体检测与评估系统， 为 电子式互感器的现场离线校准提供依据和参考， 分析电子式互感器的幅频特性、 相频特性、 暂态特性以及延时特性， 为保护和测量装置提供参考依据。 提高运 行的安全性和可靠性； 并通过理论分析和实际测量， 得出电子式互感器的幅频 特性、 相频特性、 暂态特性以及延时特性， 为保护和测量装置提供参考依据； 再者， 提高电子式互感器在各种条件下运行的安全性和可靠性。 可通过相关的 试验进行验证防护措施的作用。 Compared with the prior art, the present invention provides an electronic transformer overall detection and evaluation system, which provides a basis and reference for on-site off-line calibration of an electronic transformer, analyzes the amplitude-frequency characteristics, phase-frequency characteristics of the electronic transformer, Transient characteristics and delay characteristics provide a reference for protection and measurement devices. Improve the safety and reliability of operation; and through theoretical analysis and actual measurement, the amplitude-frequency characteristics, phase-frequency characteristics, transient characteristics and delay characteristics of the electronic transformer are obtained, which provides reference for protection and measurement devices; Improve the safety and reliability of electronic transformers operating under various conditions. The effectiveness of the protective measures can be verified by relevant tests.
附图说明 DRAWINGS
图 1为电子式互感器整体检测与评估系统的结构示意图。
图 2为电子式互感器状态分析与评估平台的结构示意图。 FIG. 1 is a schematic structural view of an overall system for detecting and evaluating an electronic transformer. 2 is a schematic structural diagram of an electronic transformer state analysis and evaluation platform.
具体实施方式 detailed description
如图 1所示， 一种电子式互感器整体检测与评估系统， 包括： 三相标准测试 源、 电子互感器、 电子互感器仿真器、 基准合并单元、 工业以太网交换机、 GPS 对时装置和电子式互感器状态分析与评估平台； 所述三相标准测试源分别向所 述电子互感器和所述电子互感器仿真器传输数据； 所述电子互感器仿真器依次 通过所述基准合并单元和工业以太网交换机向所述电子式互感器状态分析与评 估平台传输数据； 所述电子式互感器状态分析与评估平台通过所述工业以太网 交换机接收所述电子互感器的数据； 所述 GPS对时装置分别向所述电子互感器和 所述基准合并单元发送同步信号。 As shown in Figure 1, an electronic transformer overall detection and evaluation system includes: a three-phase standard test source, an electronic transformer, an electronic transformer simulator, a reference merging unit, an industrial Ethernet switch, a GPS timing device, and An electronic transformer state analysis and evaluation platform; the three-phase standard test source respectively transmits data to the electronic transformer and the electronic transformer simulator; the electronic transformer simulator sequentially passes the reference combining unit and An industrial Ethernet switch transmits data to the electronic transformer state analysis and evaluation platform; the electronic transformer state analysis and evaluation platform receives data of the electronic transformer through the industrial Ethernet switch; The device transmits a synchronization signal to the electronic transformer and the reference combining unit, respectively.
如图 2所示， 所述电子式互感器状态分析与评估平台， 包括： 基准激励源、 被测异步电子互感器和检测设备； 所述检测设备分别接收所述基准激励源和所 述被测模拟合并单元的信号； 所述基准激励源向所述被测异步电子互感器传输 信号。 As shown in FIG. 2, the electronic transformer state analysis and evaluation platform includes: a reference excitation source, an asynchronous electronic transformer to be tested, and a detecting device; the detecting device respectively receives the reference excitation source and the measured device Simulating a signal of the merging unit; the reference excitation source transmitting a signal to the measured asynchronous electronic transformer.
所述检测设备， 包括： 接收所述基准激励源模拟信号的测得波形单元、 接 收所述被测异步电子互感器信号的接收波形单元、 和分别接收所述测得波形单 元和所述接收波形单元的计算分析单元。 The detecting device includes: a measured waveform unit that receives the reference excitation source analog signal, a received waveform unit that receives the measured asynchronous electronic transformer signal, and respectively receives the measured waveform unit and the received waveform The unit of computational analysis of the unit.
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 calculates the received signals of the measured waveform unit and the received waveform unit to obtain the following parameters: amplitude accuracy, signal delay, transmission unevenness, and delay jitter.
通过以下实施例对电子式互感器整体检测与评估系统作进一步解释。 The electronic transformer overall detection and evaluation system is further explained by the following embodiments.
在实验室环境下， 选出各类典型的电子式互感器整体进行长期测试， 对电 子式互感器整体进行模拟电磁干扰、 高低温环境、 温度变化速率、 振动等试验， 研究电子式互感器在这些运行环境下的可靠性和测量品质， 分析各种问题产生
的机理， 探讨解决方案， 实验环境简图如图 1所示。 In the laboratory environment, select all kinds of typical electronic transformers for long-term testing, and simulate the electromagnetic interference, high and low temperature environment, temperature change rate, vibration, etc. of the electronic transformers as a whole, and study the electronic transformers. Reliability and measurement quality in these operating environments, analyzing various problems The mechanism, the solution, the experimental environment diagram is shown in Figure 1.
通过对电子式互感器整体进行实验室环境下的检测， 通过一系列检测设备、 检测环境、 检测手段的有机结合， 研究有关电子式互感器以下几个方面的问题: Through the detection of the whole electronic transformer in the laboratory environment, through the organic combination of a series of testing equipment, testing environment and testing methods, the following aspects of the electronic transformer are studied:
1 )研究电子式互感器运行的可靠性以及稳定性问题， 探讨原因并提出解决 办法。 深入电子式互感器使用现场， 了解电子式互感器运行方式以及现场离线 检测条件， 研究电子式互感器校准方法， 并通过可信的其它方式进行验证， 例 如高精度电磁式互感器， 从而为电子式互感器的现场离线校准提供依据和参考。 1) Study the reliability and stability of the operation of electronic transformers, explore the causes and propose solutions. In-depth use of electronic transformers, understanding the operation mode of electronic transformers and off-line detection conditions, researching electronic transformer calibration methods, and verifying them by other credible methods, such as high-precision electromagnetic transformers, thus electronic On-site offline calibration of the transformer provides the basis and reference.
2 ) 研究电磁干扰、 高低温环境、 温度变化速率、 振动对电子式互感器运行 可靠性和测量品质的影响， 分析各种问题产生的机理， 探讨解决方案。 研究电 子式互感器长期运行的可靠性以及稳定性问题， 探讨原因并提出解决办法。 2) Study the effects of electromagnetic interference, high and low temperature environment, temperature change rate, vibration on the operational reliability and measurement quality of electronic transformers, analyze the mechanism of various problems, and explore solutions. Study the reliability and stability problems of long-term operation of electronic transformers, explore the causes and propose solutions.
3 )研究各种类型的电子式互感器对一次信号的传变特性， 提出系统模型和 传递函数。 分析电子式互感器的幅频特性、 相频特性、 暂态特性以及延时特性， 为保护和测量装置提供参考依据。 3) Study the transfer characteristics of various types of electronic transformers for primary signals, and propose the system model and transfer function. Analyze the amplitude-frequency characteristics, phase-frequency characteristics, transient characteristics and delay characteristics of electronic transformers to provide reference for protection and measurement devices.
4) 电子式互感器在过电压、 过电流等极端条件下存在一定的安全隐患， 必 须进行必要的防护措施提高运行的安全性和可靠性。 研究电子式互感器在过电 压、 过电流等极端条件下的安全防护措施。 4) Electronic transformers have certain safety hazards under extreme conditions such as overvoltage and overcurrent. It is necessary to carry out necessary protective measures to improve the safety and reliability of operation. Study the safety protection measures of electronic transformers under extreme conditions such as overvoltage and overcurrent.
5 ) 通过对电子式互感器一次转换过程、 二次转换、 电子式互感器到合并单 元、 合并单元还原数字报文到模拟量的整个过程进行研究和分析。 用来解决在 不同干扰和负载环境下在一次转换和二次转换过程中的模拟量、 模拟量转换后 的数字量、 数字量还原到模拟量这一系列过程可能发生的误差和变化所带来的 问题。 5) Research and analysis through the electronic transformer transformer one-time conversion process, the secondary conversion, the electronic transformer to the merging unit, and the merging unit to restore the digital message to the analog quantity. It is used to solve the errors and changes that may occur in the series of analog and analog-to-digital conversions and digital-to-analog reductions to analog quantities in different interference and load environments. The problem.
6 ) 通过系统仿真计算等方法， 研究各种类型的电子式互感器对一次信号的 传变特性， 提出系统模型和传递函数。 并通过理论分析和实际测量， 得出电子
式互感器的幅频特性、 相频特性、 暂态特性以及延时特性， 为保护和测量装置 提供参考依据。 6) Through the method of system simulation and calculation, study the transmission characteristics of each type of electronic transformer to the primary signal, and propose the system model and transfer function. And through theoretical analysis and actual measurement, the electrons are obtained. The amplitude-frequency characteristics, phase-frequency characteristics, transient characteristics and delay characteristics of the transformers provide a reference for protection and measuring devices.
7 )收集各地正在运行和已停用的电子式互感器在电力系统发生故障时的信 息， 考虑过电压、 过电流等极端条件可能对电子式互感器产生的多种影响因素， 制定出相应的防护措施， 提高电子式互感器在各种条件下运行的安全性和可靠 性。 可通过相关的试验进行验证防护措施的作用。 7) Collect information on the faults of the electronic transformers that are running and deactivated in various places in the event of a power system failure, and consider the various factors that may affect the electronic transformers due to extreme conditions such as overvoltage and overcurrent. Protective measures to improve the safety and reliability of electronic transformers operating under various conditions. The role of protective measures can be verified by relevant tests.
如图 2所示， 通过基准激励源为被测异步电子互感器施加信号， 通过检验 设备对比电子互感器传出的 FT3波形与基准源进行对比， 通过检验设备计算得 出： 幅值精度； 信号延时； 传输不均匀性； 延时抖动。 As shown in FIG. 2, a signal is applied to the measured asynchronous electronic transformer through the reference excitation source, and the FT3 waveform transmitted from the comparison device is compared with the reference source by the inspection device, and is calculated by the inspection device: 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、 一种电子式互感器整体检测与评估系统， 其特征在于， 所述系统， 包括: 三相标准测试源、 电子互感器、 电子互感器仿真器、 基准合并单元、 工业以太 网交换机、 GPS对时装置和电子式互感器状态分析与评估平台； 所述三相标准测 试源分别向所述电子互感器和所述电子互感器仿真器传输数据； 所述电子互感 器仿真器依次通过所述基准合并单元和工业以太网交换机向所述电子式互感器 状态分析与评估平台传输数据； 所述电子式互感器状态分析与评估平台通过所 述工业以太网交换机接收所述电子互感器的数据； 所述 GPS对时装置分别向所述 电子互感器和所述基准合并单元发送同步信号。 1. An electronic transformer overall detection and evaluation system, characterized in that the system includes: three-phase standard test source, electronic transformer, electronic transformer simulator, reference merging unit, industrial Ethernet switch, GPS Time synchronization device and electronic transformer status analysis and evaluation platform; The three-phase standard test source transmits data to the electronic transformer and the electronic transformer simulator respectively; The electronic transformer simulator passes through the The reference merging unit and the industrial Ethernet switch transmit data to the electronic transformer status analysis and evaluation platform; the electronic transformer status analysis and evaluation platform receives the data of the electronic transformer through the industrial Ethernet switch; The GPS time synchronization device sends synchronization signals to the electronic transformer and the reference merging unit respectively.
2、 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： 基准激励源、 被测异步电子互感器和检测设备； 所述检测 设备分别接收所述基准激励源和所述被测模拟合并单元的信号； 所述基准激励 源向所述被测异步电子互感器传输信号。 2. The system according to claim 1, characterized in that the electronic transformer status analysis and evaluation platform includes: a reference excitation source, the asynchronous electronic transformer under test and a detection device; the detection device respectively receives the The reference excitation source and the signal of the analog merging unit under test; the reference excitation source transmits a signal to the asynchronous electronic transformer under test.
3、 根据权利要求 2所述的系统， 其特征在于， 所述检测设备， 包括： 接收 所述基准激励源模拟信号的测得波形单元、 接收所述被测异步电子互感器信号 的接收波形单元、 和分别接收所述测得波形单元和所述接收波形单元的计算分 析单元。 3. The system according to claim 2, characterized in that the detection device includes: a measured waveform unit that receives the analog signal of the reference excitation source, a receiving waveform unit that receives the signal of the asynchronous electronic transformer under test. , and a calculation and analysis unit that respectively receives the measured waveform unit and the received waveform unit.
4、 根据权利要求 3所述的系统， 其特征在于， 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得到如下参数： 幅
4. The system according to claim 3, characterized in that the calculation and analysis unit calculates the received signals of the measured waveform unit and the received waveform unit to obtain the following parameters: Amplitude
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| CN201210591944.1A CN103135087B (en) | 2012-12-28 | 2012-12-28 | Electronic mutual inductor whole detection and evaluating system |
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