阅读说明：本技术 一种避雷器电阻片侧面釉漏电流测试系统 (A kind of arrester resistor-piece side glaze leakage current test macro ) 是由 贾磊 刘刚 胡上茂 蔡汉生 廖民传 张义 施健 屈路 胡泰山 李瑞显 梅琪 刘 于 2019-09-23 设计创作，主要内容包括：本发明公开了一种避雷器电阻片侧面釉漏电流测试系统,其包括变频电源模块、变压器、电抗器模块、分压器、峰值电压表、电阻片模块、温度模块与示波器；所述变压器的低压侧与所述变频电源模块连接,所述变压器的高压侧的一端与所述电抗器模块连接,所述变压器的高压侧的另一端与所述分压器连接；所述电抗器模块包括串联电抗器；所述峰值电压表的一端连接在所述分压器的高压臂与低压臂之间；所述温度模块用于为所述试验电阻提供对应的温度。本发明实施例提供的避雷器电阻片侧面釉漏电流测试系统可以有效地防止断流电流的干扰,电路拓扑结构简单,可以准确地反应避雷器的绝缘情况。(The invention discloses a kind of arrester resistor-piece side glaze leakage current test macros comprising variable-frequency power sources module, transformer, reactor module, divider, peak-reading voltmeter, resistor disc module, thermal module and oscillograph；The low-pressure side of the transformer is connect with the variable-frequency power sources module, and on high-tension side one end of the transformer is connect with the reactor module, and the on high-tension side other end of the transformer is connect with the divider；The reactor module includes current-limiting reactor；One end of the peak-reading voltmeter is connected between the high-voltage arm and low-voltage arm of the divider；The thermal module is used to provide corresponding temperature for the test resistance.Arrester resistor-piece side glaze leakage current test macro provided in an embodiment of the present invention can be effectively prevented the interference of cutout electric current, and circuit topological structure is simple, can accurately react the insulation situation of arrester.)

1. a kind of arrester resistor-piece side glaze leakage current test macro characterized by comprising variable-frequency power sources module, transformation Device, reactor module, divider, peak-reading voltmeter, resistor disc module, thermal module and oscillograph；

The variable-frequency power sources module includes variable-frequency power sources, and the variable-frequency power sources is for exporting pure sine wave；

The low-pressure side of the transformer is connect with the variable-frequency power sources module, on high-tension side one end of the transformer and the electricity Anti- device module connection, the on high-tension side other end of the transformer are connect with the divider；

The reactor module includes current-limiting reactor, is used for limiting short-circuit current；

One end of the peak-reading voltmeter is connected between the high-voltage arm and low-voltage arm of the divider, the peak-reading voltmeter The other end is connected with the on high-tension side other end of the transformer, and the other end ground connection of the peak-reading voltmeter；

The resistor disc module comprising the sample resistance and test resistance of series connection, the test resistance include at least two A concatenated resistor disc, and the resistor disc wired in parallel is at the both ends of the divider；

The thermal module is used to provide corresponding temperature for the test resistance；

The oscillograph, communication ends are connected between the sample resistance and the test resistance, for measuring the sampling The voltage value of resistance, and according to the voltage value, calculate corresponding leakage current value.

2. arrester resistor-piece side glaze leakage current test macro according to claim 1, which is characterized in that the resistance The quantity of piece is 12.

3. arrester resistor-piece side glaze leakage current test macro according to claim 1, which is characterized in that the resistance The glaze layer of piece is glaze I.

4. arrester resistor-piece side glaze leakage current test macro according to claim 1, which is characterized in that the resistance The glaze layer of piece is glaze II.

5. arrester resistor-piece side glaze leakage current test macro according to claim 1, which is characterized in that the resistance The glaze layer of piece is glass glaze.

6. arrester resistor-piece side glaze leakage current test macro according to claim 1, which is characterized in that the transformation The output voltage of device is 20~1000kV.

7. arrester resistor-piece side glaze leakage current test macro according to claim 1, which is characterized in that the sampling The resistance value of resistance is 10k Ω.

8. arrester resistor-piece side glaze leakage current test macro according to claim 1, which is characterized in that the resistance Piece is GA2 type resistor disc.

9. arrester resistor-piece side glaze leakage current test macro according to claim 1, which is characterized in that the resistance Piece is GB2 type resistor disc.

Technical field

The present invention relates to field of electrical equipment more particularly to a kind of arrester resistor-piece side glaze leakage current test macros.

Background technique

The core component of arrester is zinc oxide resistance sheet, and the superiority and inferiority of performance will have a direct impact on the service life of arrester With whole electric property.Zinc-oxide resistor-piece side glaze is an important factor for influencing its electric property.In general, glaze Layer is coated in the side of resistor disc, and under normal specified power-frequency voltage, arrester can regard an insulator as, and pass through oxygen The electric current for changing zinc resistor disc is called the leakage current of Zinc-Oxide Arrester, it is contemplated that scope range of the fluctuation of voltage is let out at 0.75U1mA Leakage is the smaller the better in principle no more than 50 μ A.Leakage current can react the insulation situation of arrester, be that working voltage judges The important means of arrester electric property.The test macro of the existing leakage current to arrester, circuit topology is complex, nothing Method embodies influence of the temperature to resistor-piece side glaze simultaneously, and will receive the influence of short circuit electric current, to influence to lightning-arrest The calculating of the leakage current of device so that test macro is unable to get correct leakage current, and then generates the electric property of arrester The judgement of mistake influences it and correctly uses.

Summary of the invention

In view of the above-mentioned problems, the purpose of the present invention is to provide one kind can accurately test arrester resistor disc in different items The arrester resistor-piece side glaze leakage current test macro of leakage current under part.

To achieve the goals above, the present invention provides a kind of arrester resistor-piece side glaze leakage current test macro, Include: variable-frequency power sources module, transformer, reactor module, divider, peak-reading voltmeter, resistor disc module, thermal module and shows Wave device.

Wherein, the variable-frequency power sources module includes variable-frequency power sources, and the variable-frequency power sources is for exporting pure sine wave.

The low-pressure side of the transformer is connect with the variable-frequency power sources module, on high-tension side one end of the transformer and institute Reactor module connection is stated, the on high-tension side other end of the transformer is connect with the divider.

The reactor module includes current-limiting reactor, is used for limiting short-circuit current.

One end of the peak-reading voltmeter is connected between the high-voltage arm and low-voltage arm of the divider, the crest voltage The other end of table is connected with the on high-tension side other end of the transformer, and the other end ground connection of the peak-reading voltmeter.

The resistor disc module comprising the sample resistance and test resistance of series connection, the test resistance include extremely Few two concatenated resistor discs, and the resistor disc wired in parallel is at the both ends of the divider.

The thermal module is used to provide corresponding temperature for the test resistance.

The oscillograph, communication ends are connected between the sample resistance and the test resistance, described for measuring The voltage value of sample resistance, and according to the voltage value, calculate corresponding leakage current value.

As an improvement of the above scheme, the quantity of the resistor disc is 12.

As an improvement of the above scheme, the glaze layer of the resistor disc is glaze I.

As an improvement of the above scheme, the glaze layer of the resistor disc is glaze II.

As an improvement of the above scheme, the glaze layer of the resistor disc is glass glaze.

As an improvement of the above scheme, the output voltage of the transformer is 20~1000kV.

As an improvement of the above scheme, the resistance value of the sample resistance is 10k Ω.

As an improvement of the above scheme, the resistor disc is GA2 type resistor disc.

As an improvement of the above scheme, the resistor disc is GB2 type resistor disc.

Arrester resistor-piece side glaze leakage current test macro provided by the invention, by combine specific variable-frequency power sources, Transformer, reactor module, divider, peak-reading voltmeter, resistor disc module, thermal module and oscillograph, can effectively mould The work condition state of quasi- resistor disc at different ambient temperatures, while interference of the short circuit current to voltage is prevented, so that entire lightning-arrest Device resistor-piece side glaze leakage current test macro can be to the different arrester resistor discs under different temperatures, different working conditions Leakage current is effectively tested and is calculated, and circuit topological structure is simple, can accurately react the insulation situation of arrester.

Detailed description of the invention

In order to illustrate more clearly of technical solution of the present invention, attached drawing needed in embodiment will be made below Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, general for this field For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of structural representation of arrester resistor-piece side glaze leakage current test macro provided in an embodiment of the present invention Figure；

Fig. 2 is a kind of partial test of arrester resistor-piece side glaze leakage current test macro provided in an embodiment of the present invention Tables of data；

Fig. 3 is the measurement chart of GA2 type resistor disc power frequency Leakage Current provided in an embodiment of the present invention；

Fig. 4 is the measurement chart of GB2 type resistor disc power frequency Leakage Current provided in an embodiment of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

In the description of the embodiment of the present invention, it should be noted that can be practiced in a distributed computing environment, In In these distributed computing environment, by executing task by the connected remote processing devices of communication network.In addition, this hair It is bright to can be used for including in numerous general or special purpose computing device environment or configurations.Such as: personal computer, server calculate Machine, handheld device or portable device, laptop device, multi-processor device, the distribution including any of the above devices or devices Formula calculates environment etc..

One embodiment of the invention provides a kind of arrester resistor-piece side glaze leakage current test macro, specifically, please join See Fig. 1, is a kind of structural schematic diagram of arrester resistor-piece side glaze leakage current test macro provided by the invention comprising become Frequency power module, transformer, reactor module, divider, peak-reading voltmeter, resistor disc module, thermal module and oscillograph.

The variable-frequency power sources module includes variable-frequency power sources, and the variable-frequency power sources is for exporting pure sine wave.

The low-pressure side of the transformer is connect with the variable-frequency power sources module, on high-tension side one end of the transformer and institute Reactor module connection is stated, the on high-tension side other end of the transformer is connect with the divider.

The reactor module includes current-limiting reactor, is used for limiting short-circuit current.

One end of the peak-reading voltmeter is connected between the high-voltage arm and low-voltage arm of the divider, the crest voltage The other end of table is connected with the on high-tension side other end of the transformer, and the other end ground connection of the peak-reading voltmeter.

The resistor disc module comprising the sample resistance and test resistance of series connection, the test resistance include extremely Few two concatenated resistor discs, and the resistor disc wired in parallel is at the both ends of the divider.

The thermal module is used to provide corresponding temperature for the test resistance.

The oscillograph, communication ends are connected between the sample resistance and the test resistance, described for measuring The voltage value of sample resistance, and according to the voltage value, calculate corresponding leakage current value.

A kind of arrester resistor-piece side glaze leakage current test macro provided in an embodiment of the present invention, it is specific by combining Variable-frequency power sources, transformer, reactor module, divider, peak-reading voltmeter, resistor disc module, thermal module and oscillograph, can be with The effectively work condition state of artifical resistance piece at different ambient temperatures, while interference of the short circuit current to voltage is prevented, so that Entire arrester resistor-piece side glaze leakage current test macro can be to the different arresters under different temperatures, different working conditions The leakage current of resistor disc is effectively tested and is calculated, and circuit topological structure is simple, can accurately react the exhausted of arrester Edge situation.

It should be noted that Fig. 2 is referred to, for a kind of arrester resistor-piece side glaze electric leakage provided in an embodiment of the present invention The partial test tables of data of current test system.When carrying out the calculating of leakage current, the electricity to the resistor disc of entire arrester first Resistance piece module is quickly ramped up to 75%Ur, and (wherein Ur is the approximation of flashover voltage, is determined by the operating condition and parameter of actual arrester It is fixed), then voltage is increased with the speed of 2%U/s.Different voltage is applied to specific resistor disc module, while thermal module is used In providing different temperature, in the present embodiment, preferably room temperature, 60 DEG C, 120 DEG C and 160 DEG C of temperature condition, sample resistance It is then fixed according to ohm by measuring its voltage value on oscillograph depending on resistance value is by actual test situation for adjustable resistance Rule, calculates corresponding leakage current value.

Preferably, in the present embodiment, the quantity of the resistor disc is 12.It should be noted that the resistor disc Depending on quantity is by actual conditions.

Preferably, in the present embodiment, the glaze layer of the resistor disc is glaze I.

Preferably, in the present embodiment, the glaze layer of the resistor disc is glaze II.

Preferably, in the present embodiment, the glaze layer of the resistor disc is glass glaze.

Preferably, in the present embodiment, the output voltage of the transformer is 20~1000kV.It should be noted that such as Shown in Fig. 2, in the present embodiment, preferably several different application voltage values are as representing to reflect under different temperatures not With the leakage current value of resistor disc.

Preferably, in the present embodiment, the resistance value of the sample resistance is 10k Ω.The resistance value of the sample resistance can also Depending on actual test macro.

Preferably, in the present embodiment, the resistor disc is GA2 type resistor disc.Specifically, Fig. 3 is referred to, for the present invention The measurement chart for the GA2 type resistor disc power frequency Leakage Current that embodiment provides.

Preferably, in the present embodiment, the resistor disc is GB2 type resistor disc.Specifically, Fig. 4 is referred to, for the present invention The measurement chart for the GB2 type resistor disc power frequency Leakage Current that embodiment provides.

A kind of arrester resistor-piece side glaze leakage current test macro provided in an embodiment of the present invention, it is specific by combining Variable-frequency power sources, transformer, reactor module, divider, peak-reading voltmeter, resistor disc module, thermal module and oscillograph, can be with The effectively work condition state of artifical resistance piece at different ambient temperatures, while interference of the short circuit current to voltage is prevented, so that Entire arrester resistor-piece side glaze leakage current test macro can be to the different arresters under different temperatures, different working conditions The leakage current of resistor disc is effectively tested and is calculated, and circuit topological structure is simple, can accurately react the exhausted of arrester Edge situation.

Above disclosed is only some preferred embodiments of the present invention, cannot limit the power of the present invention with this certainly Sharp range, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and weighs according to the present invention Benefit requires made equivalent variations, still belongs to the scope covered by the invention.

Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access Memory, RAM) etc..