CN106443250A - Electrostatic resistance testing method of high-voltage wireless power supply system - Google Patents
Electrostatic resistance testing method of high-voltage wireless power supply system Download PDFInfo
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Abstract
本发明涉及电力设备静电抗扰度测试，具体涉及一种高压无线供电系统的静电抗扰度测试方法，所述测试方法包括采用静电枪对受试装置分别以空气放电和接触放电的方式施加静电放电干扰，观察受试装置在静电放电干扰下工作状况，得到测试结果。若观察结果为受试装置能够在静电放电干扰下保持接收端整流监测装置中蓄电池输入输出正常，并保持系统信息的正确上传，则证明受试装置能在静电放电干扰下正常工作。该方法可以有效地检测高压无线供电系统的抗静电性能。
The present invention relates to the static immunity test of electric power equipment, in particular to a static immunity test method of a high-voltage wireless power supply system. Discharge interference, observe the working condition of the device under test under the interference of electrostatic discharge, and obtain the test results. If the observation result is that the device under test can maintain the normal input and output of the battery in the rectification monitoring device at the receiving end and maintain the correct upload of system information under the interference of electrostatic discharge, it proves that the device under test can work normally under the interference of electrostatic discharge. This method can effectively detect the antistatic performance of the high-voltage wireless power supply system.
Description
技术领域technical field
本发明属于电力设备静电抗扰度测试技术领域，尤其涉及一种高压无线供电系统的静电抗扰度测试方法。The invention belongs to the technical field of electrostatic immunity testing of electric power equipment, and in particular relates to an electrostatic immunity testing method of a high-voltage wireless power supply system.
背景技术Background technique
随着电力系统的发展以及输电线路的日益复杂化，越来越多的监测和控制设备被运用于高压输电线路之上。并且由于高压输电线路自身的高电压等级特性以及其对电气绝缘性的高要求，常规的低压侧供电方式不能满足高压侧用电设备的用电需求，而高压无线供电系统可以完善的解决这个问题，如图1所示。With the development of power system and the increasing complexity of transmission lines, more and more monitoring and control equipment are used on high-voltage transmission lines. And due to the high-voltage level characteristics of the high-voltage transmission line itself and its high requirements for electrical insulation, the conventional low-voltage side power supply method cannot meet the power demand of the high-voltage side electrical equipment, and the high-voltage wireless power supply system can perfectly solve this problem ,As shown in Figure 1.
高压无线供电系统可从高压输电线路上直接取出电能，并将电能用无线的方式传递出去供给监测设备使用。这种将高压无线供电的方式具有稳定性高、绝缘性好、可持续供电、便于安装等诸多优点，有着很大的发展空间。然而在野外的高压输电线路上有着恶劣的电磁环境，经常会出现强烈的静电干扰。因此亟需一种有效的方法来检测高压无线供电系统能否在这种强静电的环境下正常工作。参照标准为GB/T 17626.2-2006。The high-voltage wireless power supply system can directly take out electric energy from the high-voltage transmission line, and transmit the electric energy wirelessly to the monitoring equipment. This method of high-voltage wireless power supply has many advantages such as high stability, good insulation, sustainable power supply, and easy installation, and has great room for development. However, there is a harsh electromagnetic environment on the high-voltage transmission line in the wild, and strong static interference often occurs. Therefore, there is an urgent need for an effective method to detect whether the high-voltage wireless power supply system can work normally in such a strong static environment. The reference standard is GB/T 17626.2-2006.
发明内容Contents of the invention
本发明的目的是提出一种用于检测高压无线供电系统的静电抗扰动的实验方法。The purpose of the present invention is to propose an experimental method for testing the electrostatic anti-disturbance of a high-voltage wireless power supply system.
为实现上述目的，本发明采用的技术方案是：一种高压无线供电系统的静电抗扰度测试方法，所述测试方法包括采用静电枪对受试装置分别以空气放电和接触放电的方式施加静电放电干扰，观察受试装置在静电放电干扰下工作状况，得到测试结果。In order to achieve the above object, the technical solution adopted by the present invention is: a method for testing the electrostatic immunity of a high-voltage wireless power supply system, the test method includes using an electrostatic gun to apply static electricity to the device under test in the form of air discharge and contact discharge respectively. Discharge interference, observe the working condition of the device under test under the interference of electrostatic discharge, and obtain the test results.
在上述的高压无线供电系统的静电抗扰度测试方法中，所述静电枪对受试装置施加静电放电干扰包括以下步骤：In the electrostatic immunity test method of the above-mentioned high-voltage wireless power supply system, the electrostatic gun applies electrostatic discharge interference to the device under test comprising the following steps:
S1. 组装受试装置，使发射端线圈与接收端线圈中心对齐，间距90cm，接收端整流监测装置和电能输出口电路作为负载；S1. Assemble the device under test so that the center of the coil at the transmitting end is aligned with the center of the coil at the receiving end, with a distance of 90 cm. The rectification monitoring device at the receiving end and the power output port circuit are used as loads;
S2. 采用升流器模拟高压线路，开启升流器电源，给受试装置通电；S2. Use the current booster to simulate the high-voltage line, turn on the power supply of the current booster, and energize the device under test;
S3.通过PC端服务器监测接收端整流监测装置中蓄电池的工作电压、输入电流和输出电流；S3. Monitor the working voltage, input current and output current of the storage battery in the rectification monitoring device at the receiving end through the PC terminal server;
S4.选择操作人员能够接触到的受试装置各个位置作为放电点；S4. Select each position of the device under test that the operator can touch as the discharge point;
S5.将静电枪对准各放电点，以接触放电的方式施加±8kV的静电放电干扰，每个放电点放电次数为正、负极性各10次，放电间隔时间为1s；对受试装置的放电干扰实施3轮；然后观察监测结果，接收端整流监测装置中蓄电池输入输出是否正常；S5. Point the electrostatic gun at each discharge point, and apply ±8kV electrostatic discharge interference in the form of contact discharge. The number of discharges at each discharge point is 10 times for positive and negative polarities, and the discharge interval is 1s; Perform 3 rounds of discharge interference; then observe the monitoring results, whether the input and output of the battery in the rectification monitoring device at the receiving end are normal;
S6.更换静电枪枪头，以空气放电的方式对步骤S5中的放电点施加±15kV的静电放电干扰，每个放电点放电次数为正、负极性各10次，放电间隔时间为1s；对受试装置的放电干扰实施3轮；然后观察监测结果，接收端整流监测装置中蓄电池输入输出是否正常；S6. Replace the tip of the electrostatic gun, and apply ±15kV electrostatic discharge interference to the discharge point in step S5 in the form of air discharge. The number of discharges at each discharge point is 10 times for positive and negative polarities, and the discharge interval is 1s; The discharge interference of the device under test is carried out for 3 rounds; then observe the monitoring results, whether the input and output of the battery in the rectification monitoring device at the receiving end are normal;
S7.测试结果，若步骤S5、步骤 S6的观察结果为受试装置能够在静电放电干扰下保持接收端整流监测装置中蓄电池输入输出正常，并保持系统信息的正确上传，则证明受试装置能在静电放电干扰下正常工作，且系统能量的传输不受静电放电干扰的影响。S7. Test result, if the observation result of step S5 and step S6 is that the device under test can maintain the normal input and output of the storage battery in the rectification monitoring device at the receiving end under the interference of electrostatic discharge, and maintain the correct upload of system information, it proves that the device under test can It works normally under electrostatic discharge interference, and the transmission of system energy is not affected by electrostatic discharge interference.
在上述的高压无线供电系统的静电抗扰度测试方法中，所述静电枪选用NSG438A。In the above electrostatic immunity test method of the high-voltage wireless power supply system, the electrostatic gun is NSG438A.
在上述的高压无线供电系统的静电抗扰度测试方法中，所述步骤S5、步骤S6所述的放电点包括受试装置的外壳、接口、缝隙处。In the above electrostatic immunity test method of the high-voltage wireless power supply system, the discharge points in the steps S5 and S6 include the shell, the interface, and the gap of the device under test.
本发明的有益效果：能够有效地检测高压无线供电系统的抗静电性能，从而评估高压无线供电系统承受恶劣自然环境和电磁环境的能力。The beneficial effect of the present invention is that the antistatic performance of the high-voltage wireless power supply system can be effectively detected, thereby evaluating the ability of the high-voltage wireless power supply system to withstand harsh natural environments and electromagnetic environments.
附图说明Description of drawings
图1为本发明一个实施例受试装置高压无线供电系统应用场景示意图；Fig. 1 is a schematic diagram of the application scene of the high-voltage wireless power supply system of the device under test according to an embodiment of the present invention;
图2为本发明一个实施例受试装置高压无线供电系统部件示意图。Fig. 2 is a schematic diagram of the components of the high-voltage wireless power supply system of the device under test according to an embodiment of the present invention.
具体实施方式detailed description
下面结合附图对本发明的实施方式进行详细描述。Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
本实施例采用如下技术方案，一种高压无线供电系统的静电抗扰度测试方法，所述测试方法包括采用静电枪对受试装置分别以空气放电和接触放电的方式施加静电放电干扰，观察受试装置在静电放电干扰下工作状况，得到测试结果。This embodiment adopts the following technical solution, a method for testing the electrostatic immunity of a high-voltage wireless power supply system. The working condition of the test device under the interference of electrostatic discharge, and the test results are obtained.
在上述的高压无线供电系统的静电抗扰度测试方法中，所述静电枪对受试装置施加静电放电干扰包括以下步骤：In the electrostatic immunity test method of the above-mentioned high-voltage wireless power supply system, the electrostatic gun applies electrostatic discharge interference to the device under test comprising the following steps:
S1. 组装受试装置，使发射端线圈与接收端线圈中心对齐，间距90cm，接收端整流监测装置和电能输出口电路作为负载；S1. Assemble the device under test so that the center of the coil at the transmitting end is aligned with the center of the coil at the receiving end, with a distance of 90 cm. The rectification monitoring device at the receiving end and the power output port circuit are used as loads;
S2. 采用升流器模拟高压线路，开启升流器电源，给受试装置通电；S2. Use the current booster to simulate the high-voltage line, turn on the power supply of the current booster, and energize the device under test;
S3.通过PC端服务器监测接收端整流监测装置中蓄电池的工作电压、输入电流和输出电流；S3. Monitor the working voltage, input current and output current of the storage battery in the rectification monitoring device at the receiving end through the PC terminal server;
S4.选择操作人员能够接触到的受试装置各个位置作为放电点；S4. Select each position of the device under test that the operator can touch as the discharge point;
S5.将静电枪对准各放电点，以接触放电的方式施加±8kV的静电放电干扰，每个放电点放电次数为正、负极性各10次，放电间隔时间为1s；对受试装置的放电干扰实施3轮；然后观察监测结果，接收端整流监测装置中蓄电池输入输出是否正常；S5. Point the electrostatic gun at each discharge point, and apply ±8kV electrostatic discharge interference in the form of contact discharge. The number of discharges at each discharge point is 10 times for positive and negative polarities, and the discharge interval is 1s; Perform 3 rounds of discharge interference; then observe the monitoring results, whether the input and output of the battery in the rectification monitoring device at the receiving end are normal;
S6.更换静电枪枪头，以空气放电的方式对步骤S5中的放电点施加±15kV的静电放电干扰，每个放电点放电次数为正、负极性各10次，放电间隔时间为1s；对受试装置的放电干扰实施3轮；然后观察监测结果，接收端整流监测装置中蓄电池输入输出是否正常；S6. Replace the tip of the electrostatic gun, and apply ±15kV electrostatic discharge interference to the discharge point in step S5 in the form of air discharge. The number of discharges at each discharge point is 10 times for positive and negative polarities, and the discharge interval is 1s; The discharge interference of the device under test is carried out for 3 rounds; then observe the monitoring results, whether the input and output of the battery in the rectification monitoring device at the receiving end are normal;
S7.测试结果，若步骤S5、步骤 S6的观察结果为受试装置能够在静电放电干扰下保持接收端整流监测装置中蓄电池输入输出正常，并保持系统信息的正确上传，则证明受试装置能在静电放电干扰下正常工作，且系统能量的传输不受静电放电干扰的影响。S7. Test result, if the observation result of step S5 and step S6 is that the device under test can maintain the normal input and output of the storage battery in the rectification monitoring device at the receiving end under the interference of electrostatic discharge, and maintain the correct upload of system information, it proves that the device under test can It works normally under electrostatic discharge interference, and the transmission of system energy is not affected by electrostatic discharge interference.
在上述的高压无线供电系统的静电抗扰度测试方法中，所述静电枪选用NSG438A。In the above electrostatic immunity test method of the high-voltage wireless power supply system, the electrostatic gun is NSG438A.
在上述的高压无线供电系统的静电抗扰度测试方法中，所述步骤S5、步骤S6所述的放电点包括受试装置的外壳、接口、缝隙处。In the above electrostatic immunity test method of the high-voltage wireless power supply system, the discharge points in the steps S5 and S6 include the shell, the interface, and the gap of the device under test.
一、实验装置与基本原理1. Experimental device and basic principle
受试装置为高压无线供电系统，包括无线能量传输发射装置和无线能量传输接收装置。如图2所示，无线能量传输发射装置包括高压取电装置、取电装置控制电路、发射端控制电路、发射端电容、发射端线圈；无线能量传输接收装置包括接收端线圈、接收端电容、接收端整流监测装置和电能输出口电路。系统工作时，在发射装置部分，首先由高压取电装置从模拟高压线路中取出电能，为整个系统提供能量来源，取电方式为感应取电，输出电能为工频交流电；然后高压取电装置将电能输出到取电装置控制电路，经整流稳压处理后以48V直流电的形式输出到发射端控制电路；发射端控制电路能将48V直流电逆变为频率可调的交流电，驱动振荡电路达到谐振状态；发射端电容和发射端线圈构成振荡电路，在发射端控制电路输出的高频交流电能的驱动下能够达到谐振状态，从而激发电能以高频交变磁场的形式发射出去。在接收装置部分，同样由接收端线圈和接收端电容构成一个振荡电路，并能够从周围的磁场中拾取能量，并将电能以高频交流电能的形式输出到接收端整流监测装置中；接收端整流电路将交流电能进行整流稳压处理后，再经过蓄电池的缓冲，将电能以直流电的形式输出到电能输出口电路；电路输出口电路主要是使用金升阳电源模块对系统输出再进行一次隔离，并以标准的12V电源为负载供电。The device under test is a high-voltage wireless power supply system, including a wireless energy transmission transmitting device and a wireless energy transmission receiving device. As shown in Figure 2, the wireless energy transmission transmitting device includes a high-voltage power-taking device, a power-taking device control circuit, a transmitting-end control circuit, a transmitting-end capacitor, and a transmitting-end coil; the wireless energy transmission receiving device includes a receiving-end coil, a receiving-end capacitor, The receiving end rectification monitoring device and the electric energy output port circuit. When the system is working, in the part of the transmitting device, firstly, the high-voltage power-taking device takes out electric energy from the simulated high-voltage line to provide an energy source for the entire system. The electrical energy is output to the control circuit of the power-taking device, and after rectification and voltage stabilization, it is output to the control circuit of the transmitter in the form of 48V DC; the control circuit of the transmitter can invert the 48V DC into frequency-adjustable AC, and drive the oscillation circuit to achieve resonance state; the transmitter capacitor and the transmitter coil constitute an oscillating circuit, which can reach a resonant state driven by the high-frequency AC power output from the transmitter control circuit, thereby exciting the electrical energy to be emitted in the form of a high-frequency alternating magnetic field. In the receiving device part, an oscillating circuit is also formed by the receiving end coil and the receiving end capacitor, and can pick up energy from the surrounding magnetic field, and output the electric energy to the receiving end rectification monitoring device in the form of high frequency alternating current energy; the receiving end After the rectification circuit rectifies and stabilizes the AC power, it is buffered by the battery and outputs the power in the form of DC to the power output circuit; the circuit output circuit mainly uses Jinshengyang power module to isolate the system output again, and Power the load from a standard 12V supply.
测试装置为静电枪NSG438A，将静电枪对受试装置分别以空气放电和接触放电的方式施加静电放电干扰，其中接触放电电压为±8kV，空气放电电压为±15kV。试验时，由测试员选择操作人员可能接触到的各个位置作为放电点，每个放电点按正、负极各放电10次，放电间隔时间为1s，重复以上操作3轮。观察受试装置在静电放电干扰下能否正常工作。The test device is an electrostatic gun NSG438A, which applies electrostatic discharge interference to the device under test in the form of air discharge and contact discharge. The contact discharge voltage is ±8kV, and the air discharge voltage is ±15kV. During the test, the tester selects various positions that the operator may come into contact with as discharge points, each discharge point is discharged 10 times by pressing the positive and negative poles, the discharge interval is 1s, and the above operation is repeated for 3 rounds. Observe whether the device under test can work normally under the interference of electrostatic discharge.
二、测试过程2. Testing process
1、组装好受试装置，发射端线圈与接收端线圈中心正对，间距90cm，使用接收端整流监测装置和电能输出口电路作为负载。1. Assemble the device under test. The center of the transmitter coil and the receiver coil are facing each other with a distance of 90cm. Use the receiver rectifier monitoring device and the power output port circuit as the load.
2、使用升流器模拟高压线路，开启升流器电源，给受试装置上电。2. Use the current booster to simulate a high-voltage line, turn on the power supply of the current booster, and power on the device under test.
3、打开PC端服务器，通过PC端服务器监测接收端整流监测装置中蓄电池的工作电压、输入电流和输出电流。3. Turn on the PC-side server, and monitor the working voltage, input current and output current of the storage battery in the rectification monitoring device at the receiving end through the PC-side server.
4、测试人员将静电枪对准受试装置，在测试点外壳、接口、缝隙处以接触放电的方式施加±8kV的静电放电干扰，每个放电点按正、负极各放电10次，放电间隔时间为1s，重复操作3轮，观察监测结果，接收端整流监测装置中蓄电池输入输出是否正常。4. The tester aims the electrostatic gun at the device under test, and applies ±8kV electrostatic discharge interference in the form of contact discharge on the shell, interface, and gap of the test point. Each discharge point is discharged 10 times by positive and negative poles, and the discharge interval time For 1s, repeat the operation for 3 rounds, observe the monitoring results, and check whether the input and output of the battery in the rectification monitoring device at the receiving end are normal.
5、更换静电枪枪头，在测试点外壳、接口、缝隙处以空气放电的方式施加±15kV的静电放电干扰，每个放电点按正、负极各放电10次，放电间隔时间为1s，重复操作3轮，观察监测结果，接收端整流监测装置中蓄电池输入输出是否正常。5. Replace the tip of the electrostatic gun, and apply ±15kV electrostatic discharge interference in the form of air discharge on the shell, interface, and gap of the test point. Each discharge point should be discharged 10 times by pressing the positive and negative poles, and the discharge interval is 1s. Repeat the operation 3 rounds, observe the monitoring results, whether the input and output of the battery in the rectification monitoring device at the receiving end are normal.
三、结论3. Conclusion
在上述步骤4、5中，若智能电网监测终端无线供电系统能够在静电放电干扰下保持接收端整流监测装置中蓄电池设备的输入输出正常，并保持系统信息的正确上传，则可证明无线供电系统能在静电放电干扰下正常工作，同时无线供电系统能量的传输也不受静电放电干扰的影响。In the above steps 4 and 5, if the wireless power supply system of the smart grid monitoring terminal can maintain the normal input and output of the battery equipment in the rectification monitoring device at the receiving end under the interference of electrostatic discharge, and maintain the correct upload of system information, it can be proved that the wireless power supply system It can work normally under the interference of electrostatic discharge, and at the same time, the energy transmission of the wireless power supply system is not affected by the interference of electrostatic discharge.
应当理解的是，本说明书未详细阐述的部分均属于现有技术。It should be understood that the parts not described in detail in this specification belong to the prior art.
虽然以上结合附图描述了本发明的具体实施方式，但是本领域普通技术人员应当理解，这些仅是举例说明，可以对这些实施方式做出多种变形或修改，而不背离本发明的原理和实质。本发明的范围仅由所附权利要求书限定。Although the specific embodiments of the present invention have been described above in conjunction with the accompanying drawings, those of ordinary skill in the art should understand that these are only examples, and various variations or modifications can be made to these embodiments without departing from the principles and principles of the present invention. substance. The scope of the invention is limited only by the appended claims.
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