WO2015074412A1 - Gis field oscillation type impulse withstand voltage test waveform adjustment system and method - Google Patents

Gis field oscillation type impulse withstand voltage test waveform adjustment system and method Download PDF

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WO2015074412A1
WO2015074412A1 PCT/CN2014/079941 CN2014079941W WO2015074412A1 WO 2015074412 A1 WO2015074412 A1 WO 2015074412A1 CN 2014079941 W CN2014079941 W CN 2014079941W WO 2015074412 A1 WO2015074412 A1 WO 2015074412A1
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test
gis
waveform
value
withstand voltage
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PCT/CN2014/079941
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French (fr)
Chinese (zh)
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W¸yWr®Vhª
杨景刚
Y©´V»gV»g
贾勇勇
Y§§Xxj
赵科
V°©Wq«
吴昊
V¯µWq¤
张星
Z¿qV££
高山
VjyV×pWh°
周志成
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Vº¨VÞ¶Xm§X¨jVeÐV±½
国家电网公司
W£¤Y»±XæaXm§V«ºVeÐV±½
江苏省电力公司
W£¤Y»±XæaXm§V«ºVeÐV±½Xm§V«ºXxjVÝwXµmXz¶Zrs
江苏省电力公司电力科学研究院
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Publication of WO2015074412A1 publication Critical patent/WO2015074412A1/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/14Circuits therefor, e.g. for generating test voltages, sensing circuits
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1254Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of gas-insulated power appliances or vacuum gaps

Abstract

A GIS field oscillation type impulse withstand voltage test waveform adjustment system and a method. The method comprises the following steps: calculating a capacitance value of a tested GIS (S101); determining a test waveform parameter value (S102); calculating a test loop parameter based on the capacitance value of the tested GIS and the required test waveform parameter value (S103); establishing a test line based on the loop parameter obtained from calculation (S104); and using the established test line to perform an oscillation type impulse withstand voltage test on the GIS (S105). The waveform adjustment method can obtain a parameter of the test waveform before performing a formal high voltage test, avoiding blindness of the test; and a numerical calculation method is used to calculate the test loop parameter, providing advantages of high calculation accuracy and facilitating implementation. The system has advantages of easy to use and facilitating field implementation.

Description

一种 GIS现场振荡型冲击耐压试验波形调节系统和方法 技术领域  GIS field oscillating type impulse withstand voltage waveform adjustment system and method
本发明涉及一种 GI S现场振荡型冲击耐压试验波形调节系统和方法,属 于电气设备现场试验技术领域。 背景技术  The invention relates to a GI S field oscillation type impulse withstand voltage waveform adjustment system and method, and belongs to the technical field of electrical equipment field test. Background technique
气体绝缘全封闭式组合电器(GI S)是电网中最重要的电力设备之一, 其 运行可靠性直接关系到整个电网系统的安全稳定。 然而, 近些年随着高电 压等级电网大规模建设及 GI S设备的大量使用, 这些设备发生多起因产品 设计、 制造、 工艺、 材料和主附件质量问题导致的主设备无法或被迫延期 出厂的情况, 在后期运输、 安装、 调试和运行中又发生多起故障和事故。 目前 GI S 设备所出现的故障原因可分为产品设计、 制造工艺、 外协件质 量、 现场安装质量等几个方面, 这些问题可能分别在产品出厂型式试验、 现场交接试验、 设备运行中暴露。  The Gas Insulated Fully Enclosed Combined Electrical Appliance (GI S) is one of the most important electrical equipment in the power grid, and its operational reliability is directly related to the safety and stability of the entire power grid system. However, in recent years, with the large-scale construction of high-voltage-grade power grids and the extensive use of GI S equipment, many of these equipments have been unable or forced to be postponed due to product design, manufacturing, process, materials and main accessory quality problems. In the case of accidents, accidents and accidents occurred during later transportation, installation, commissioning and operation. At present, the causes of failures in GI S equipment can be divided into product design, manufacturing process, quality of external parts, quality of on-site installation, etc. These problems may be exposed in product type test, on-site handover test, and equipment operation.
为了提高 GI S设备在运行中的安全可靠性, 相关标准和规程建议和推荐 在现场对 GI S进行冲击耐受试验。 传统所用的双指数冲击波, 其发生装置 体积大、 产生效率低, 不利于对高电压等级的 GI S 进行现场试验。 I EC60060-3对电力设备做现场冲击耐压试验所使用的振荡型冲击电压波形 做了明确规定, 推荐的振荡型冲击电压波形具有产生效率高适合现场使用 的特点, 从而解决了以往冲击电压不便在现场产生和使用的问题。 利用振荡型冲击电压现场进行 GI S 设备冲击耐压试验中, 试验波形参 数是其关键环节, 为了准确实现现场调节振荡型冲击电压波形, 研究相应 的现场波形调节方法对于现场开展此项试验具有重要意义。 发明内容 目的: 为了克服现有技术中存在的不足, 本发明提供一种 GI S 现场振 荡型冲击耐压试验波形调节系统和方法。 In order to improve the safety and reliability of the GI S equipment during operation, relevant standards and procedures recommend and recommend on-site impact tolerance tests on the GIS. The traditional double-exponential shock wave, which is large in volume and low in efficiency, is not conducive to field testing of high voltage grade GI S. I EC60060-3 clearly stipulates the oscillating impulse voltage waveform used in the field impact voltage test of power equipment. The recommended oscillating impulse voltage waveform has the characteristics of high efficiency and suitable for field use, thus solving the inconvenience of the previous surge voltage. Problems generated and used in the field. In the GI S equipment impact withstand voltage test using the oscillating impulse voltage, the test waveform parameters are the key links. In order to accurately realize the on-site adjustment of the oscillating impulse voltage waveform, it is important to study the corresponding field waveform adjustment method for the site to carry out this test. significance. Summary of the invention Purpose: In order to overcome the deficiencies in the prior art, the present invention provides a GI S field oscillating type impulse withstand voltage waveform adjustment system and method.
技术方案: 为解决上述技术问题, 本发明采用的技术方案为: 一种 GIS 现场振荡型冲击耐压试验波形调节方法, 其特征在于, 包括 如下步骤:  Technical Solution: In order to solve the above technical problem, the technical solution adopted by the present invention is: A GIS field oscillation type impulse withstand voltage test waveform adjustment method, which is characterized in that it comprises the following steps:
步骤 1 ) 计算被试 GIS的电容值; 步骤 3 )根据被试 GI S电容值、所需的试验波形参数值计算试验回路参 数;  Step 1) Calculate the capacitance value of the GIS to be tested; Step 3) Calculate the test circuit parameters according to the value of the GI S capacitor and the required test waveform parameter values;
步骤 4 )根据计算所得的回路参数搭建试验线路;  Step 4) construct a test circuit according to the calculated loop parameters;
步骤 5 )利用搭建的试验线路对 GIS进行振荡型冲击耐压试验。  Step 5) Perform an oscillating impact withstand voltage test on the GIS using the built test circuit.
作为优选方案, 步骤 2 ) 中所述波形参数值满足 IEC60060-3标准的要 求, 波形参数包括波头时间、 波尾时间及振荡频率; 波形包括振荡型雷电 冲击和振荡型操作冲击。  Preferably, the waveform parameter value in step 2) satisfies the requirements of the IEC60060-3 standard, and the waveform parameters include a wave head time, a wave tail time, and an oscillation frequency; and the waveform includes an oscillating type lightning impulse and an oscillating type operation shock.
步骤 3 )中所述回路参数包括主电容值、 调波电感值、 波头电阻值及波 尾电阻值。  The loop parameters in step 3) include the main capacitor value, the modulating inductance value, the wave head resistance value, and the wave tail resistance value.
所述回路参数是根据数值计算的方法得到, 所用到的数据为 GIS 的电 容值和试验波形参数值。  The loop parameters are obtained according to the numerical calculation method, and the data used are the capacitance values of the GIS and the test waveform parameter values.
一种 GI S现场振荡型冲击耐压试验波形调节系统, 其特征在于, 包括: 初始设置模块, 用于设置被试 GIS 的电容值、 所需试验波形参数的具 体数值; 计算分析模块, 用于根据初始设置模块所给定的参数, 计算回路参数, 得到试验所需的回路参数具体数值; A GI S field oscillating type impulse withstand voltage test waveform adjusting system, comprising: an initial setting module, configured to set a capacitance value of a GIS to be tested, and a specific value of a required test waveform parameter; The calculation and analysis module is configured to calculate a loop parameter according to a parameter given by the initial setting module, and obtain a specific value of the loop parameter required for the test;
结果输出模块, 用于输出所需回路参数的具体数值。  Result output module for outputting specific values of the required loop parameters.
所述的一种 GIS现场振荡型冲击耐压试验波形调节系统, 其特征在于: 所述试验波形参数包括波形波头时间、 波尾时间及振荡频率。  The GIS field oscillation type impulse withstand voltage test waveform adjusting system is characterized in that: the test waveform parameters include a waveform head time, a wave tail time and an oscillation frequency.
所述的一种 GIS现场振荡型冲击耐压试验波形调节系统, 其特征在于: 所述回路参数包括主电容值、 调波电感值、 波头电阻值及波尾电阻值。  The GIS field oscillating type impulse withstand voltage test waveform adjusting system is characterized in that: the loop parameters include a main capacitor value, a modulating inductance value, a wave head resistance value and a wave tail resistance value.
有益效果: 本发明提供的一种 GIS 现场振荡型冲击耐压试验波形调节 系统和方法, 具有以下有益效果: 1 )本发明的波形调节方法可在进行正式 高压试验前掌握试验波形的参数, 避免了试验的盲目性; 2 )本发明采用数 值计算的方法进行试验回路参数的计算, 具有计算精度高、 便于实施的特 点; 3 )本发明所提出的波形调价系统具有使用简单,便于现场实施的特点。 附图说明  Advantageous Effects: The invention provides a GIS field oscillation type impulse withstand voltage test waveform adjusting system and method, which has the following beneficial effects: 1) The waveform adjusting method of the present invention can grasp the parameters of the test waveform before performing the formal high voltage test, and avoid The blindness of the test; 2) The invention uses the numerical calculation method to calculate the test loop parameters, and has the characteristics of high calculation precision and easy implementation; 3) The waveform price adjustment system proposed by the invention has simple use and is convenient for on-site implementation. Features. DRAWINGS
图 1为本发明一种 GIS现场振荡型冲击耐压试验波形调节方法的流程 示意图;  1 is a schematic flow chart of a method for adjusting a waveform of a GIS field oscillation type impulse withstand voltage test according to the present invention;
图 2a和图 2b为 IEC60060-3规定的电气设备现场试验用振荡型冲击电 压波形图;  Figure 2a and Figure 2b are waveform diagrams of the oscillating impulse voltage for field test of electrical equipment specified in IEC60060-3;
图 3为 IEC60060-3所要求的振荡型冲击电压参数要求范围;  Figure 3 shows the range of oscillating impulse voltage parameters required by IEC60060-3;
图 4为试验线路图; 图 5为本发明一种 GIS现场振荡型冲击耐压试验波形调节系统的实施 例的结构框图。  Fig. 4 is a test circuit diagram; Fig. 5 is a block diagram showing an embodiment of a GIS field oscillation type impulse withstand voltage waveform adjustment system according to the present invention.
具体实施方式 下面结合附图对本发明作更进一步的说明。 detailed description The present invention will be further described below in conjunction with the accompanying drawings.
如图 1所示, 为一种 GIS现场振荡型冲击耐压试验波形调节方法, 步 骤 S101 : 计算被试 GIS设备的电容值, 可利用电桥实测获得, 也可根据被 试 GIS的结构计算获得。  As shown in FIG. 1 , it is a GIS field oscillation type impulse withstand voltage test waveform adjustment method, step S101 : calculating the capacitance value of the tested GIS device, which can be obtained by using the bridge measurement, or can be calculated according to the structure of the tested GIS. .
步骤 S102: 确定试验波形参数值。 试验波形采用 IEC60060-3所要求的 振荡型冲击电压, 其波形如图 2a和图 2b所示。 图 2a为振荡型雷电冲击电 压波形, 图 2b为振荡型操作冲击电压波形。 其波形参数为波头时间 7>、 波 尾时间 7;及振荡频率 , 波形参数值要求如图 3所示, 实施中可根据此参数 范围选定某一具体值作为给定参数。  Step S102: Determine a test waveform parameter value. The test waveform uses the oscillating impulse voltage required by IEC60060-3, and its waveform is shown in Figure 2a and Figure 2b. Figure 2a shows the oscillating type lightning impulse voltage waveform, and Figure 2b shows the oscillating type operating impulse voltage waveform. The waveform parameters are wave head time 7> and wave tail time 7; and the oscillation frequency, the waveform parameter value requirement is shown in Fig. 3. In the implementation, a specific value can be selected as the given parameter according to the range of the parameter.
步骤 S103: 根据被试 GIS的电容值和确定的试验波形参数值计算试验 回路参数。 试验线路如图 4所示, 其中 1为主电容^ 3为调波电感 Z、 ( 2 ) 为波头电阻 、 4为波尾电阻 、 5为被试 GIS (试验中呈容性, 用集中电 容表示) C。。 主电容值 G根据被试 GIS的电容值 确定, 主电容值越大, 效率越高, 通常主电容值可采用 1 0倍的被试 GIS电容值, C2 = 10CQ, 则 此时已知参数为波头时间 7>、 波尾时间 7;、 振荡频率 、 主电容值^ 被试 GIS容值 C。。 则其他试验回路参数的计算为: Step S103: Calculate the test loop parameter according to the capacitance value of the tested GIS and the determined test waveform parameter value. The test circuit is shown in Figure 4, where 1 is the main capacitor ^ 3 is the modulating inductance Z, ( 2 ) is the wave head resistance, 4 is the wave tail resistance, 5 is the tested GIS (the test is capacitive, with concentrated capacitance Indicates) C. . The main capacitor value G is determined according to the capacitance value of the GIS under test. The larger the main capacitor value, the higher the efficiency. Generally, the main capacitor value can be 10 times the GIS capacitance value of the test, C 2 = 10C Q , then it is known at this time. The parameters are wave head time 7>, wave tail time 7; oscillation frequency, main capacitance value ^ test GIS capacitance value C. . Then the calculation of other test loop parameters is:
调波电感值根据下式确定:  The value of the modulated inductor is determined according to the following formula:
其中 C = C0C2 /(C0 +C2)Where C = C 0 C 2 /(C 0 +C 2 )
Figure imgf000006_0001
步骤 S104: 根据计算值选定试验回路参数, 搭建试验线路。
Figure imgf000006_0001
Step S104: Select test circuit parameters according to the calculated value, and build a test circuit.
步骤 S105: 进行 GIS的振荡型冲击耐压试验。  Step S105: Perform an oscillating type impulse withstand voltage test of GIS.
实施例 2  Example 2
根据上述本发明的一种 GI S 现场振荡型冲击耐压试验波形调节方法, 本发明还提供一种 GIS 现场振荡型冲击耐压试验波形调节系统, 以下就本 发明的一种 GI S 现场振荡型冲击耐压试验波形调节系统的具体实施例进行 详细说明。 图 5 中示出了本发明实施例一种 GIS现场振荡型冲击耐压试验 波形调节系统的结构示意图, 其中:  According to the above-mentioned GI S field oscillation type impulse withstand voltage test waveform adjusting method, the present invention also provides a GIS field oscillation type impulse withstand voltage test waveform adjusting system, and the following is a GI S field oscillation type of the present invention. A specific embodiment of the impact withstand voltage test waveform adjustment system will be described in detail. FIG. 5 is a schematic structural diagram of a GIS field oscillation type impulse withstand voltage waveform adjustment system according to an embodiment of the present invention, wherein:
201 为初始设置模块, 设置计算试验回路所需的初始参数, 包括计算 或实测得到的被试 GIS 电容值, 试验波形参数值, 试验波形参数值包括波 形振荡频率、 波头时间及波尾时间, 其数值应满足 IEC60060-3的要求, 可 根据此参数范围选定某一具体值作为给定参数。  201 is an initial setting module, and sets initial parameters required for calculating a test loop, including calculated or measured GIS capacitance values of the test, test waveform parameter values, and test waveform parameter values including waveform oscillation frequency, wave head time, and tail time, The value should meet the requirements of IEC60060-3, and a specific value can be selected as the given parameter according to the parameter range.
203 为计算分析模块, 根据给定的参数计算试验回路参数, 试验回路 参数为主电容值、 调波电感值、 波头电阻值及波尾电阻值。  203 is a calculation analysis module, and the test circuit parameters are calculated according to the given parameters, and the test circuit parameters are a main capacitance value, a modulation inductance value, a wave head resistance value, and a wave tail resistance value.
204 为结果输出模块, 根据计算分析模块的计算值可将所需结果进行 输出, 为现场试验提供试验回路参数值。 以上所述仅是本发明的优选实施方式, 应当指出: 对于本技术领域的 普通技术人员来说, 在不脱离本发明原理的前提下, 还可以做出若干改进 和润饰, 这些改进和润饰也应视为本发明的保护范围。  204 is the result output module, which can output the desired result according to the calculated value of the calculation analysis module, and provide the test loop parameter value for the field test. The above description is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make several improvements and retouchings without departing from the principles of the present invention. It should be considered as the scope of protection of the present invention.

Claims

权利 要 求 书  Claims
1、 一种 GIS现场振荡型冲击耐压试验波形调节方法, 其特征在于, 包 括如下步骤:  1. A GIS field oscillating type impulse withstand voltage waveform adjustment method, characterized in that it comprises the following steps:
步骤 1 ) 计算被试 GIS的电容值; 步骤 3 )根据被试 GI S电容值、所需的试验波形参数值计算试验回路参 数;  Step 1) Calculate the capacitance value of the GIS to be tested; Step 3) Calculate the test circuit parameters according to the value of the GI S capacitor and the required test waveform parameter values;
步骤 4 )根据计算所得的回路参数搭建试验线路;  Step 4) construct a test circuit according to the calculated loop parameters;
步骤 5 )利用搭建的试验线路对 GIS进行振荡型冲击耐压试验。  Step 5) Perform an oscillating impact withstand voltage test on the GIS using the built test circuit.
2、 根据权利要求 1所述的一种 GIS现场振荡型冲击耐压试验波形调节 方法, 其特征在于: 步骤 2 ) 中所述波形参数值满足 IEC60060-3标准的要 求, 波形参数包括波头时间、 波尾时间及振荡频率; 波形包括振荡型雷电 冲击和振荡型操作冲击。  2. The GIS field oscillation type impulse withstand voltage test waveform adjusting method according to claim 1, wherein: the waveform parameter value in step 2) satisfies the requirements of the IEC60060-3 standard, and the waveform parameter includes a wave head time. , wave tail time and oscillation frequency; waveforms include oscillating type lightning impulse and oscillating type operation shock.
3、 根据权利要求 1所述的一种 GIS现场振荡型冲击耐压试验波形调节 方法, 其特征在于: 步骤 3 ) 中所述回路参数包括主电容值、 调波电感值、 波头电阻值及波尾电阻值。  3. The GIS field oscillating type impulse withstand voltage test waveform adjusting method according to claim 1, wherein: the loop parameter in the step 3) comprises a main capacitor value, a modulating inductance value, a wave head resistance value, and Wave tail resistance value.
4、 根据权利要求 1所述的一种 GIS现场振荡型冲击耐压试验波形调节 系统和方法, 其特征在于: 所述回路参数是根据数值计算的方法得到, 所 用到的数据为 GIS的电容值和试验波形参数值。  4. The GIS field oscillation type impulse withstand voltage waveform adjustment system and method according to claim 1, wherein: the loop parameter is obtained according to a numerical calculation method, and the used data is a capacitance value of the GIS. And test waveform parameter values.
5、 一种 GIS现场振荡型冲击耐压试验波形调节系统, 其特征在于, 包 初始设置模块, 用于设置被试 GIS 的电容值、 所需试验波形参数的具 体数值; 5. A GIS field oscillation type impulse withstand voltage test waveform adjustment system, characterized in that the package initial setting module is used for setting the capacitance value of the tested GIS and the required test waveform parameters. Volume value
计算分析模块, 用于根据初始设置模块所给定的参数, 计算回路参数, 得到试验所需的回路参数具体数值;  The calculation and analysis module is configured to calculate a loop parameter according to a parameter given by the initial setting module, and obtain a specific value of the loop parameter required for the test;
结果输出模块, 用于输出所需回路参数的具体数值。  Result output module for outputting specific values of the required loop parameters.
6、 根据权利要求 5所述的一种 GIS现场振荡型冲击耐压试验波形调节 系统, 其特征在于: 所述试验波形参数包括波形波头时间、 波尾时间及振 荡频率。  6. The GIS field oscillation type impulse withstand voltage test waveform adjustment system according to claim 5, wherein: the test waveform parameters include a waveform head time, a wave tail time, and an oscillation frequency.
7、 根据权利要求 5所述的一种 GIS现场振荡型冲击耐压试验波形调节 系统, 其特征在于: 所述回路参数包括主电容值、 调波电感值、 波头电阻 值及波尾电阻值。  7. The GIS field oscillating type impulse withstand voltage test waveform adjusting system according to claim 5, wherein: the loop parameters include a main capacitor value, a modulating inductance value, a wave head resistance value, and a wave tail resistance value. .
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