CN103941128A - Transformer electrical fault simulation device - Google Patents
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Abstract
本发明公开了一种变压器电故障模拟装置，它包括用于盛装绝缘油的油容器及设于油容器内用于放电的电极对，油容器的侧壁设有用于取出绝缘油的取油孔，并且油容器上开设有位于顶部的第一连接孔及位于底部的第二连接孔，电极对与示波器相连且包括相对设置的上电极和下电极，上电极穿过第一连接孔，下电极底部连接有穿过第二连接孔且用于接地的地电极；绝缘油加入到油容器内，上电极和下电极之间形成放电电场，当接通电源形成高压后，上电极和下电极之间形成电弧放电，致使电场中的绝缘油电离产生气体并溶解于绝缘油中；通过示波器准确模拟局部放电、击穿放电的变压器电故障，从取油孔可以连续获得各种电故障下的绝缘油样品，以测气体组分含量。
The invention discloses a transformer electric fault simulation device, which comprises an oil container for holding insulating oil and an electrode pair arranged in the oil container for discharging, and the side wall of the oil container is provided with an oil-taking hole for taking out the insulating oil , and the oil container is provided with a first connection hole at the top and a second connection hole at the bottom, the electrode pair is connected to the oscilloscope and includes an upper electrode and a lower electrode oppositely arranged, the upper electrode passes through the first connection hole, and the lower electrode The bottom is connected with a ground electrode that passes through the second connection hole and is used for grounding; insulating oil is added into the oil container, and a discharge electric field is formed between the upper electrode and the lower electrode. Arc discharge is formed between them, causing the insulating oil in the electric field to ionize to generate gas and dissolve in the insulating oil; through the oscilloscope to accurately simulate the transformer electrical fault of partial discharge and breakdown discharge, the insulation under various electrical faults can be continuously obtained from the oil hole Oil samples to measure the content of gas components.
Description
技术领域technical field
本发明涉及一种模拟装置，特别涉及一种变压器电故障模拟装置。The invention relates to a simulation device, in particular to a transformer electrical fault simulation device.
背景技术Background technique
油浸式变压器就是将变压器的线圈和磁芯浸泡在专用的变压器油即绝缘油里面，既可以散热又可以使线圈与空气隔绝，防止空气中的湿气对变压器的磁芯造成腐蚀，同时还可以起到一定的灭弧作用。当运行中的油浸式变压器承受异常的电作用时，将产生某些可燃性气体并大部分溶解于绝缘油中。在实际检测中一般利用油中溶解气体分析(DGA)技术可以有效地发现变压器内部早期故障。随着绝缘油的不断研制开发，新型绝缘油如合成酯、植物绝缘油逐渐取代以往常用的矿物绝缘油，这些绝缘油和一般的矿物绝缘油成分存在差异，因此会导致相同电故障作用下绝缘油及油纸混合绝缘的油中溶解气体存在差异。因此需要在试验状态下研究各种电故障下的油中溶解气体的情况，而不能简单地套用矿物绝缘油油中溶解气体的故障诊断准则。但是，现有技术中还没有能够准确模拟局部放电、击穿等各种变压器电故障并获得各种电故障下绝缘油及油纸混合绝缘的油中溶解气体组分含量的模拟装置。The oil-immersed transformer is to soak the coil and magnetic core of the transformer in special transformer oil, that is, insulating oil, which can not only dissipate heat but also isolate the coil from the air, preventing the moisture in the air from corroding the magnetic core of the transformer, and at the same time Can play a certain role in arc extinguishing. When the oil-immersed transformer in operation is subjected to abnormal electrical effects, some flammable gases will be produced and most of them will be dissolved in the insulating oil. In the actual detection, the dissolved gas analysis (DGA) technology in oil can be used to effectively find the early faults inside the transformer. With the continuous research and development of insulating oils, new insulating oils such as synthetic esters and vegetable insulating oils have gradually replaced the commonly used mineral insulating oils in the past. There are differences in the dissolved gas in the oil of oil and oil-paper mixed insulation. Therefore, it is necessary to study the situation of dissolved gas in oil under various electrical faults under test conditions, and the fault diagnosis criteria for dissolved gas in oil of mineral insulating oil cannot be simply applied. However, there is no simulation device in the prior art that can accurately simulate various transformer electrical faults such as partial discharge and breakdown, and obtain the content of dissolved gas components in insulating oil and oil-paper mixed insulation oil under various electrical faults.
因此，就需要一种能够准确模拟局部放电、击穿放电的变压器电故障并获得各种电故障下绝缘油及油纸混合绝缘的油中溶解气体组分含量的模拟装置，从而为判断变压器运行状况是否正常、是否存在潜伏性故障提供参考。Therefore, there is a need for a simulation device that can accurately simulate partial discharge and breakdown discharge transformer electrical faults and obtain the content of dissolved gas components in insulating oil and oil-paper mixed insulation oil under various electrical faults, so as to judge the operating status of the transformer Whether it is normal and whether there is a latent fault provides a reference.
发明内容Contents of the invention
有鉴于此，本发明的目的在于提供一种变压器电故障模拟装置，能够准确模拟局部放电、击穿放电的变压器电故障并获得各种电故障下绝缘油及油纸混合绝缘的油中溶解气体组分含量，从而为判断变压器运行状况是否正常、是否存在潜伏性故障提供参考。In view of this, the object of the present invention is to provide a transformer electrical fault simulation device, which can accurately simulate partial discharge and breakdown discharge transformer electrical faults and obtain the dissolved gas in oil group of insulating oil and oil-paper mixed insulation under various electrical faults. To provide a reference for judging whether the transformer is operating normally and whether there is a latent fault.
本发明的变压器电故障模拟装置，它包括用于盛装绝缘油的油容器及设于所述油容器内用于放电的电极对，所述油容器的侧壁设有用于取出绝缘油的取油孔，并且所述油容器上开设有位于顶部的第一连接孔及位于底部的第二连接孔，所述电极对与示波器相连且包括相对设置的上电极和下电极，所述上电极穿过所述第一连接孔，所述下电极底部连接有穿过所述第二连接孔且用于接地的地电极。The transformer electric fault simulation device of the present invention comprises an oil container for holding insulating oil and an electrode pair arranged in the oil container for discharging, and the side wall of the oil container is provided with an oil extraction device for taking out the insulating oil hole, and the oil container is provided with a first connection hole at the top and a second connection hole at the bottom, the electrode pair is connected to an oscilloscope and includes an upper electrode and a lower electrode oppositely arranged, and the upper electrode passes through In the first connection hole, the bottom of the lower electrode is connected to a ground electrode passing through the second connection hole and used for grounding.
进一步，本发明的变压器电故障模拟装置还包括用于控制所述油容器内的绝缘油循环流动的循环控制机构，所述循环控制机构包括油泵、进油管和出油管，所述进油管的一端与所述油泵的进油端连接、另一端固定在所述油容器上并形成连通结构，所述出油管的一端与所述油泵的出油端连接、另一端固定在所述油容器上并形成连通结构。Further, the transformer electrical fault simulation device of the present invention also includes a circulation control mechanism for controlling the circulation flow of insulating oil in the oil container, the circulation control mechanism includes an oil pump, an oil inlet pipe and an oil outlet pipe, and one end of the oil inlet pipe It is connected with the oil inlet end of the oil pump, and the other end is fixed on the oil container to form a communication structure. One end of the oil outlet pipe is connected with the oil outlet end of the oil pump, and the other end is fixed on the oil container. form a connected structure.
进一步，本发明的变压器电故障模拟装置还包括包裹所述油容器并用于调节绝缘油温度的调温箱，所述调温箱上设有与所述取油孔连接的油咀，所述上电极、地电极、进油管、出油管均穿过所述调温箱的壳体与所述油容器连接。Further, the transformer electrical fault simulation device of the present invention also includes a temperature control box that wraps the oil container and is used to adjust the temperature of the insulating oil. Electrodes, ground electrodes, oil inlet pipes, and oil outlet pipes all pass through the casing of the temperature regulating box and are connected with the oil container.
进一步，所述油容器上开设有位于下方侧壁的第三连接孔及位于顶部的第四连接孔，所述进油管、出油管分别通过所述第三连接孔、第四连接孔固定在所述油容器上。Further, the oil container is provided with a third connection hole on the lower side wall and a fourth connection hole on the top, and the oil inlet pipe and the oil outlet pipe are respectively fixed on the third connection hole and the fourth connection hole. on the oil container.
进一步，所述第一连接孔设于所述油容器的顶部中心，所述第二连接孔设于所述油容器的底部中心，所述油容器与所述调温箱的顶部之间、底部之间均设有绝缘支柱，所述上电极与地电极均穿过相对应的所述绝缘支柱的中心。Further, the first connecting hole is set at the center of the top of the oil container, the second connecting hole is set at the center of the bottom of the oil container, between the oil container and the top of the temperature control box, the bottom Insulating pillars are arranged between them, and both the upper electrode and the ground electrode pass through the center of the corresponding insulating pillars.
进一步，所述油容器和调温箱上设有相匹配的用于观察放电过程的透明观察孔。Further, the oil container and the tempering box are provided with matching transparent observation holes for observing the discharge process.
进一步，所述取油孔设在所述油容器侧壁上位于所述上电极与下电极之间的位置。Further, the oil intake hole is provided on the side wall of the oil container at a position between the upper electrode and the lower electrode.
进一步，所述油容器由聚甲基丙烯酸甲酯制成。Further, the oil container is made of polymethyl methacrylate.
进一步，所述上电极包括连接棒及以可拆卸方式连接在所述连接棒末端的放电头，所述第一连接孔为螺孔，所述连接棒表面设有与所述第一连接孔相配合的外螺纹，使得所述连接棒可沿所述第一连接孔的轴向运动。Further, the upper electrode includes a connecting rod and a discharge head detachably connected to the end of the connecting rod, the first connecting hole is a screw hole, and the surface of the connecting rod is provided with a screw hole corresponding to the first connecting hole. A matched external thread enables the connecting rod to move axially along the first connecting hole.
进一步，所述下电极呈板状，所述放电头呈针状、球状或者板状。Further, the lower electrode is in the shape of a plate, and the discharge head is in the shape of a needle, a ball or a plate.
本发明的有益效果：本发明的变压器电故障模拟装置，绝缘油加入到油容器内并浸没下电极及上电极的下部，上电极和下电极之间形成放电电场，当接通电源形成高压后，上电极和下电极之间形成电弧放电，致使电场中的绝缘油电离产生气体并溶解于绝缘油中；通过示波器测量电压并实时采集放电波形，以灵活控制低能量的局部放电及高能量的击穿放电，从而准确模拟局部放电、击穿放电的变压器电故障，此外，通过改变电极对的形状和电极对之间的距离可以模拟不同类型和放电强度的电故障；从取油孔可以连续获得各种电故障下的绝缘油样品，以测量油中溶解气体组分含量，从而为判断变压器运行状况是否正常、是否存在潜伏性故障提供参考；本发明具有结构简单、操作方便、模拟性高的优点，具有很强的推广实用价值。Beneficial effects of the present invention: In the transformer electric fault simulation device of the present invention, insulating oil is added into the oil container and immersed in the lower part of the lower electrode and the upper electrode, and a discharge electric field is formed between the upper electrode and the lower electrode. When the power is turned on to form a high voltage , an arc discharge is formed between the upper electrode and the lower electrode, causing the insulating oil in the electric field to ionize to generate gas and dissolve in the insulating oil; the voltage is measured by an oscilloscope and the discharge waveform is collected in real time to flexibly control low-energy partial discharge and high-energy partial discharge Breakdown discharge, so as to accurately simulate partial discharge and breakdown discharge transformer electrical faults. In addition, by changing the shape of the electrode pair and the distance between the electrode pairs, different types of electrical faults and discharge intensities can be simulated; from the oil hole can be continuous Obtain insulating oil samples under various electrical faults to measure the content of dissolved gas components in the oil, so as to provide a reference for judging whether the transformer is operating normally and whether there is a latent fault; the invention has simple structure, convenient operation, and high simulation Advantages, has a strong promotional practical value.
附图说明Description of drawings
下面结合附图和实施例对本发明作进一步描述：The present invention will be further described below in conjunction with accompanying drawing and embodiment:
图1为本发明的结构示意图。Fig. 1 is a structural schematic diagram of the present invention.
具体实施方式Detailed ways
图1为本发明的结构示意图，如图所示：本实施例的变压器电故障模拟装置，它包括用于盛装绝缘油的油容器1及设于所述油容器1内用于放电的电极对，所述油容器1的侧壁设有用于取出绝缘油的取油孔11，并且所述油容器1上开设有位于顶部的第一连接孔12及位于底部的第二连接孔13，所述电极对与示波器(图中未示出)相连且包括相对设置的上电极和下电极22，所述上电极穿过所述第一连接孔12，所述下电极22底部连接有穿过所述第二连接孔13且用于接地的地电极4；油容器1为圆筒状，采用绝缘材料制成；取油孔11尽量设在油容器1下部，当然也可以开设在油容器1底部，便于取油；示波器用于将电压信号转化为波形曲线，其结构及连接方式与现有技术一致，在此不再赘述；相对设置即上电极和下电极22之间具有空隙，而不直接接触；上电极与第一连接孔12之间、地电极4与第二连接孔13之间密封连接，防止电离出的气体泄漏；下电极22与地电极4相连，将无用的电流或噪声干扰导入大地保护使用者不被电击；绝缘油(或者绝缘油与绝缘纸板的混合物)加入到油容器1内并浸没下电极22及上电极的下部(即上电极穿入油容器1的一部分)，上电极和下电极22之间形成放电电场，当接通电源形成高压后，上电极和下电极22之间形成电弧放电，致使电场中的绝缘油电离产生气体并溶解于绝缘油中；通过示波器测量电压并实时采集放电波形，以灵活控制低能量的局部放电及高能量的击穿放电，从而准确模拟局部放电、击穿放电的变压器电故障，此外，通过改变电极对的形状和电极对之间的距离可以模拟不同类型和放电强度的电故障；从取油孔11可以连续获得各种电故障下的绝缘油样品，以测量油中溶解气体组分含量，从而为判断变压器运行状况是否正常、是否存在潜伏性故障提供参考。Fig. 1 is a structural schematic diagram of the present invention, as shown in the figure: the transformer electric fault simulation device of the present embodiment, it comprises the oil container 1 that is used to hold insulating oil and is arranged in described oil container 1 and is used for discharging the electrode pair , the side wall of the oil container 1 is provided with an oil intake hole 11 for taking out insulating oil, and the oil container 1 is provided with a first connection hole 12 at the top and a second connection hole 13 at the bottom, the The electrode pair is connected to an oscilloscope (not shown in the figure) and includes an upper electrode and a lower electrode 22 oppositely arranged, the upper electrode passes through the first connection hole 12, and the bottom of the lower electrode 22 is connected with a The second connection hole 13 is also used for the ground electrode 4 for grounding; the oil container 1 is cylindrical and made of insulating material; the oil-taking hole 11 is located at the bottom of the oil container 1 as far as possible, and certainly can be opened at the bottom of the oil container 1, It is convenient to take oil; the oscilloscope is used to convert the voltage signal into a waveform curve, and its structure and connection mode are consistent with the prior art, and will not be repeated here; the relative setting means that there is a gap between the upper electrode and the lower electrode 22, and they do not directly contact ; Between the upper electrode and the first connection hole 12, between the ground electrode 4 and the second connection hole 13, the airtight connection prevents the leakage of ionized gas; the lower electrode 22 is connected to the ground electrode 4, and the useless current or noise interference is introduced The earth protects the user from electric shock; insulating oil (or a mixture of insulating oil and insulating cardboard) is added to the oil container 1 and immersed in the lower electrode 22 and the lower part of the upper electrode (that is, the part where the upper electrode penetrates into the oil container 1), the upper electrode A discharge electric field is formed between the electrode and the lower electrode 22. When the power is turned on to form a high voltage, an arc discharge is formed between the upper electrode and the lower electrode 22, causing the insulating oil in the electric field to ionize to generate gas and dissolve in the insulating oil; measured by an oscilloscope Voltage and real-time collection of discharge waveforms to flexibly control low-energy partial discharges and high-energy breakdown discharges, thereby accurately simulating partial discharges and breakdown discharge transformer faults. In addition, by changing the shape of the electrode pair and the distance between the electrode pair Different distances can simulate electrical faults of different types and discharge intensities; samples of insulating oil under various electrical faults can be continuously obtained from the oil hole 11 to measure the content of dissolved gas components in the oil, so as to judge whether the transformer is operating normally, Provide a reference for whether there are latent faults.
本实施例中，本发明的变压器电故障模拟装置还包括用于控制所述油容器1内的绝缘油循环流动的循环控制机构，所述循环控制机构包括油泵51、进油管52和出油管53，所述进油管52的一端与所述油泵51的进油端连接、另一端固定在所述油容器1上并形成连通结构，所述出油管53的一端与所述油泵51的出油端连接、另一端固定在所述油容器1上并形成连通结构；循环控制机构可以使绝缘油循环流动，并控制绝缘油在油容器1内的流动速度，以模拟真实油浸变压器中绝缘油的油流速度，使模拟过程更接近真实；同时，循环流动可以使绝缘油的油中溶解气体更为均匀，使取样检测的结果更为准确；油泵51的结构与现有技术相同，在此不再赘述；采用油泵51可以方便控制油流速度，油泵51固定在油容器1外部，以简化本模拟装置的结构；进油管52和出油管53均与油容器1密封连接，形成输油管道。In this embodiment, the transformer electrical fault simulation device of the present invention further includes a circulation control mechanism for controlling the circulation flow of the insulating oil in the oil container 1, and the circulation control mechanism includes an oil pump 51, an oil inlet pipe 52 and an oil outlet pipe 53 One end of the oil inlet pipe 52 is connected to the oil inlet end of the oil pump 51, and the other end is fixed on the oil container 1 to form a communication structure, and one end of the oil outlet pipe 53 is connected to the oil outlet end of the oil pump 51. The other end is fixed on the oil container 1 to form a connected structure; the circulation control mechanism can circulate the insulating oil and control the flow speed of the insulating oil in the oil container 1, so as to simulate the flow of insulating oil in a real oil-immersed transformer. The oil flow speed makes the simulation process closer to reality; at the same time, the circulating flow can make the dissolved gas in the oil of the insulating oil more uniform, so that the results of sampling and detection are more accurate; the structure of the oil pump 51 is the same as that of the prior art, and it Repeat it again; the oil flow rate can be easily controlled by using the oil pump 51, and the oil pump 51 is fixed on the outside of the oil container 1 to simplify the structure of the simulation device; the oil inlet pipe 52 and the oil outlet pipe 53 are all sealed and connected with the oil container 1 to form an oil delivery pipeline.
本实施例中，本发明的变压器电故障模拟装置还包括包裹所述油容器1并用于调节绝缘油温度的调温箱6，所述调温箱6上设有与所述取油孔11连接的油咀7，所述上电极、地电极4、进油管52、出油管53均穿过所述调温箱6的壳体与所述油容器1连接；油容器1内设于调温箱6；调温箱6能够精确在0-120℃范围内进行控制，以模拟变压器正常运行时的温度，使模拟过程更接近真实、检测结果更为准确；加热箱采用双层钢板内填充保温材料如玻璃保温棉制成，可设计成形状规则的正方体状，方便控制仪表、加热管及冷凝器的安装，且外观整洁美观；保温箱采用加热电阻丝提供热源，采用半导体致冷器、散热器和排风扇进行湿度控制，采用智能温湿度控制器控制温湿度保证箱体内温度、湿度恒定；油咀7为类似现有的水龙头的结构，可控制绝缘油的流止及根据需要调整流出量，便于取样。In this embodiment, the transformer electrical failure simulation device of the present invention also includes a temperature control box 6 that wraps the oil container 1 and is used to adjust the temperature of the insulating oil. The oil nozzle 7, the upper electrode, the ground electrode 4, the oil inlet pipe 52, and the oil outlet pipe 53 all pass through the housing of the temperature adjustment box 6 and are connected to the oil container 1; the oil container 1 is arranged in the temperature adjustment box 6. The temperature control box 6 can be accurately controlled within the range of 0-120°C to simulate the temperature of the transformer during normal operation, so that the simulation process is closer to reality and the detection results are more accurate; the heating box is filled with insulation materials in double-layer steel plates If it is made of glass insulation cotton, it can be designed into a regular cube shape, which is convenient for the installation of control instruments, heating pipes and condensers, and the appearance is neat and beautiful; the insulation box uses heating resistance wire to provide heat source, and uses semiconductor cooler and radiator Humidity control with the exhaust fan, using an intelligent temperature and humidity controller to control the temperature and humidity to ensure constant temperature and humidity in the box; the oil nozzle 7 is a structure similar to the existing faucet, which can control the flow of insulating oil and adjust the outflow according to needs, which is convenient sampling.
本实施例中，所述油容器1上开设有位于下方侧壁的第三连接孔14及位于顶部的第四连接孔15，所述进油管52、出油管53分别通过所述第三连接孔14、第四连接孔15固定在所述油容器1上；第三连接孔14设于取油孔11下方位置；第三连接孔14、第四连接孔15分别设于电极对的两侧，并且它们的轴线相垂直，以增强油泵51工作时对绝缘油的扰动作用，使绝缘油的循环更为彻底，油中的溶解气体更为均匀，减少试验误差。In this embodiment, the oil container 1 is provided with a third connection hole 14 located on the lower side wall and a fourth connection hole 15 located at the top, and the oil inlet pipe 52 and the oil outlet pipe 53 pass through the third connection hole respectively. 14. The fourth connection hole 15 is fixed on the oil container 1; the third connection hole 14 is located below the oil intake hole 11; the third connection hole 14 and the fourth connection hole 15 are respectively provided on both sides of the electrode pair, And their axes are perpendicular to enhance the disturbing effect of the oil pump 51 on the insulating oil, so that the circulation of the insulating oil is more thorough, the dissolved gas in the oil is more uniform, and the test error is reduced.
本实施例中，所述第一连接孔12设于所述油容器1的顶部中心，所述第二连接孔13设于所述油容器1的底部中心，所述油容器1与所述调温箱6的顶部之间、底部之间均设有绝缘支柱8，所述上电极与地电极4均穿过相对应的所述绝缘支柱8的中心；第一连接孔12与第二连接孔13的轴线重合，同时电极对的设置也以轴线对称，便于油容器1的加工制造，上极板与下极板的中心正对，使它们之间的电场强度均匀，对绝缘油形成均匀的电离作用，减少试验误差；绝缘支柱8为绝缘子，支撑油容器1并使油容器1与调温箱6之间相对固定，同时保证电极对与调温箱6之间的绝缘，避免漏电，增强试验的安全性；当然，上电极至少其与调温箱6相接触得外表面需是保持绝缘的。In this embodiment, the first connecting hole 12 is set at the center of the top of the oil container 1, the second connecting hole 13 is set at the center of the bottom of the oil container 1, and the oil container 1 and the adjustment Insulating pillars 8 are provided between the top and the bottom of the thermostat 6, and the upper electrode and the ground electrode 4 pass through the center of the corresponding insulating pillars 8; the first connecting hole 12 and the second connecting hole The axes of 13 are coincident, and at the same time, the arrangement of the electrode pairs is also symmetrical to the axis, which is convenient for the processing and manufacture of the oil container 1. The centers of the upper plate and the lower plate are facing each other, so that the electric field strength between them is uniform, and a uniform electric field is formed for the insulating oil. Ionization effect reduces test error; the insulating support 8 is an insulator, supports the oil container 1 and makes the oil container 1 and the temperature adjustment box 6 relatively fixed, and at the same time ensures the insulation between the electrode pair and the temperature adjustment box 6 to avoid leakage and enhance The safety of the test; certainly, at least the outer surface of the upper electrode in contact with the temperature adjustment box 6 needs to be kept insulated.
本实施例中，所述油容器1和调温箱6上设有相匹配的用于观察放电过程的透明观察孔(图中未示出)；相匹配是指油容器1和调温箱6上的孔形状、大小一致，或者虽然不一致但是不影响观察；观察孔采用石英玻璃密封，方便观察和高速摄像机拍摄放电；当然，观察孔也可以替换为观察槽。In this embodiment, the oil container 1 and the tempering box 6 are provided with a matching transparent observation hole (not shown) for observing the discharge process; matching means that the oil container 1 and the tempering box 6 The shape and size of the holes are consistent, or even if they are inconsistent, it does not affect the observation; the observation hole is sealed with quartz glass, which is convenient for observation and high-speed camera shooting discharge; of course, the observation hole can also be replaced by an observation slot.
本实施例中，所述取油孔11设在所述油容器1侧壁上位于所述上电极与下电极22之间的位置；取油孔11的高度位于上电极的底端与下电极22的顶端之间，并且尽量靠近上电极的底端，在进行取油时，优先流出被充分电离的绝缘油，取出的油样中含有的油中溶解气体更均匀，以减少试验误差。In this embodiment, the oil-taking hole 11 is located on the side wall of the oil container 1 at a position between the upper electrode and the lower electrode 22; the height of the oil-taking hole 11 is between the bottom end of the upper electrode and the lower electrode. 22, and as close as possible to the bottom of the upper electrode, when taking oil, give priority to the fully ionized insulating oil, and the dissolved gas in the oil contained in the taken oil sample is more uniform, so as to reduce the test error.
本实施例中，所述油容器1由聚甲基丙烯酸甲酯制成；聚甲基丙烯酸甲酯即有机玻璃，油容器1由有机玻璃制成，其机械强度较高，有一定的耐热耐寒性，耐腐蚀，绝缘性能良好，且易于成型；当采用无色透明的有机玻璃时，还可以省略油容器1上的观察孔结构，便于加工制造。In this embodiment, the oil container 1 is made of polymethyl methacrylate; polymethyl methacrylate is plexiglass, and the oil container 1 is made of plexiglass, which has high mechanical strength and certain heat resistance. Cold resistance, corrosion resistance, good insulation performance, and easy to shape; when colorless and transparent organic glass is used, the observation hole structure on the oil container 1 can also be omitted, which is convenient for processing and manufacturing.
本实施例中，所述上电极包括连接棒21a及以可拆卸方式连接在所述连接棒21a末端的放电头21b，所述第一连接孔12为螺孔，所述连接棒21a表面设有与所述第一连接孔12相配合的外螺纹，使得所述连接棒21a可沿所述第一连接孔12的轴向运动；连接棒21a外部绝缘，内部设有将电流导至放电头21b的部件如铜线；当然，连接棒21a也可以使用其它结构，只要能保证上电极与调温箱6之间的绝缘并且顺利放电即可；改变放电头21b的形状，以及连接棒21a通过自轴螺旋调整放电头21b与下极板之间的距离，均可以实现模拟不同类型和放电强度的电故障，便于进行实时调节；此外，为保证螺纹连接的密封度，在连接棒21a与第一连接孔12之间可增设密封圈。In this embodiment, the upper electrode includes a connecting rod 21a and a discharge head 21b detachably connected to the end of the connecting rod 21a, the first connecting hole 12 is a screw hole, and the surface of the connecting rod 21a is provided with The external thread matched with the first connection hole 12 enables the connection rod 21a to move axially along the first connection hole 12; Parts such as copper wire; Certainly, connecting rod 21a also can use other structures, as long as can guarantee the insulation between upper electrode and temperature control box 6 and get final product smoothly; Change the shape of discharge head 21b, and connecting rod 21a passes through The shaft screw adjusts the distance between the discharge head 21b and the lower pole plate, which can simulate electrical faults of different types and discharge intensities, which is convenient for real-time adjustment; in addition, in order to ensure the tightness of the threaded connection, between the connecting rod 21a and the first A sealing ring can be added between the connecting holes 12 .
本实施例中，所述下电极22呈板状，所述放电头21b呈针状；下电极22为一电极板；电极对形成针-板电极结构，放电头21b的尖端邻域有极强的电场，容易形成放电电场；当然，还可以将电极对替换成板-板、针-球等电极结构，以获得不同的放电特性。In the present embodiment, the lower electrode 22 is plate-shaped, and the discharge head 21b is needle-shaped; the lower electrode 22 is an electrode plate; the electrode pair forms a needle-plate electrode structure, and the tip neighborhood of the discharge head 21b has a very strong It is easy to form a discharge electric field; of course, the electrode pairs can also be replaced by plate-plate, needle-ball and other electrode structures to obtain different discharge characteristics.
最后说明的是，以上实施例仅用以说明本发明的技术方案而非限制，尽管参照较佳实施例对本发明进行了详细说明，本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的宗旨和范围，其均应涵盖在本发明的权利要求范围当中。Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be carried out Modifications or equivalent replacements without departing from the spirit and scope of the technical solution of the present invention shall be covered by the claims of the present invention.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676093A (en) * | 2016-04-13 | 2016-06-15 | 云南电网有限责任公司电力科学研究院 | Analog transformer device |
| CN106054043A (en) * | 2016-08-15 | 2016-10-26 | 广东电网有限责任公司电力科学研究院 | Oil gap insulation discharge testing platform |
| CN106324453A (en) * | 2016-08-15 | 2017-01-11 | 广东电网有限责任公司电力科学研究院 | Oil gap insulation discharging test platform |
| CN107422200A (en) * | 2017-05-18 | 2017-12-01 | 中国电力科学研究院 | Transformer fault simulation system |
| CN108414903A (en) * | 2018-03-21 | 2018-08-17 | 广东电网有限责任公司电力科学研究院 | A kind of long oil clearance breakdown test system and method for transformer |
| CN109188213A (en) * | 2018-08-16 | 2019-01-11 | 西安西电变压器有限责任公司 | A kind of power transformer interior fault imitative experimental appliance |
| CN109254233A (en) * | 2018-10-24 | 2019-01-22 | 国网山东省电力公司电力科学研究院 | A kind of transformer electric fault gas simulator |
| CN110389286A (en) * | 2018-12-20 | 2019-10-29 | 哈尔滨理工大学 | A method for measuring the breakdown field strength of a solid dielectric test piece |
| CN110462711A (en) * | 2017-03-22 | 2019-11-15 | 波士顿科学医学有限公司 | electrified anatomical model |
| CN110501588A (en) * | 2019-08-12 | 2019-11-26 | 国网山东综合能源服务有限公司 | Natural esters Insulation Oil Transformer electric heating combines fault simulation experiment porch and method |
| TWI723381B (en) * | 2019-04-19 | 2021-04-01 | 張家歐 | Structure and method for detecting position of inertial axis of defective quartz hemispherical shell |
| CN113009306A (en) * | 2021-05-07 | 2021-06-22 | 广东电网有限责任公司电力科学研究院 | Transformer breakdown fault gas production simulation system |
| CN113466635A (en) * | 2021-05-18 | 2021-10-01 | 华北电力大学 | Material surface insulation and partial discharge characteristic measuring device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004132810A (en) * | 2002-10-10 | 2004-04-30 | Shishido Seidenki Kk | Electrostatic discharge measuring device |
| CN101793939A (en) * | 2009-09-18 | 2010-08-04 | 重庆大学 | Partial discharge simulation experiment device of suspended metal particles in oil of transformer |
| CN101957423A (en) * | 2010-09-16 | 2011-01-26 | 中国电力科学研究院 | Device for testing insulating property of high-voltage oiled paper |
| CN102338843A (en) * | 2010-07-26 | 2012-02-01 | 重庆大学 | Apparatus and method for detecting partial discharge of power transformer by utilizing fluorescence fiber |
| US20120265458A1 (en) * | 2011-04-13 | 2012-10-18 | GM Global Technology Operatons LLC | Corona and Partial Discharge Diagnostic Device and Method for Using the Same |
| CN102928470A (en) * | 2012-10-16 | 2013-02-13 | 云南电力试验研究院（集团）有限公司电力研究院 | Mobile type cyclic VFTO (Very Fast Transient Overvoltage) insulating oil testing system |
| CN103091608A (en) * | 2013-01-06 | 2013-05-08 | 华北电力大学 | Research and experiment platform for relationship between power transformer partial discharge and gas production rate and measuring method |
| CN203825122U (en) * | 2014-05-06 | 2014-09-10 | 国家电网公司 | Electrical testing device for insulating oil of transformer |
-
2014
- 2014-05-06 CN CN201410188446.1A patent/CN103941128A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004132810A (en) * | 2002-10-10 | 2004-04-30 | Shishido Seidenki Kk | Electrostatic discharge measuring device |
| CN101793939A (en) * | 2009-09-18 | 2010-08-04 | 重庆大学 | Partial discharge simulation experiment device of suspended metal particles in oil of transformer |
| CN102338843A (en) * | 2010-07-26 | 2012-02-01 | 重庆大学 | Apparatus and method for detecting partial discharge of power transformer by utilizing fluorescence fiber |
| CN101957423A (en) * | 2010-09-16 | 2011-01-26 | 中国电力科学研究院 | Device for testing insulating property of high-voltage oiled paper |
| US20120265458A1 (en) * | 2011-04-13 | 2012-10-18 | GM Global Technology Operatons LLC | Corona and Partial Discharge Diagnostic Device and Method for Using the Same |
| CN102928470A (en) * | 2012-10-16 | 2013-02-13 | 云南电力试验研究院（集团）有限公司电力研究院 | Mobile type cyclic VFTO (Very Fast Transient Overvoltage) insulating oil testing system |
| CN103091608A (en) * | 2013-01-06 | 2013-05-08 | 华北电力大学 | Research and experiment platform for relationship between power transformer partial discharge and gas production rate and measuring method |
| CN203825122U (en) * | 2014-05-06 | 2014-09-10 | 国家电网公司 | Electrical testing device for insulating oil of transformer |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676093B (en) * | 2016-04-13 | 2019-04-30 | 云南电网有限责任公司电力科学研究院 | An analog transformer device |
| CN105676093A (en) * | 2016-04-13 | 2016-06-15 | 云南电网有限责任公司电力科学研究院 | Analog transformer device |
| CN106054043A (en) * | 2016-08-15 | 2016-10-26 | 广东电网有限责任公司电力科学研究院 | Oil gap insulation discharge testing platform |
| CN106324453A (en) * | 2016-08-15 | 2017-01-11 | 广东电网有限责任公司电力科学研究院 | Oil gap insulation discharging test platform |
| CN110462711A (en) * | 2017-03-22 | 2019-11-15 | 波士顿科学医学有限公司 | electrified anatomical model |
| CN107422200A (en) * | 2017-05-18 | 2017-12-01 | 中国电力科学研究院 | Transformer fault simulation system |
| CN108414903A (en) * | 2018-03-21 | 2018-08-17 | 广东电网有限责任公司电力科学研究院 | A kind of long oil clearance breakdown test system and method for transformer |
| CN109188213A (en) * | 2018-08-16 | 2019-01-11 | 西安西电变压器有限责任公司 | A kind of power transformer interior fault imitative experimental appliance |
| CN109254233A (en) * | 2018-10-24 | 2019-01-22 | 国网山东省电力公司电力科学研究院 | A kind of transformer electric fault gas simulator |
| CN110389286A (en) * | 2018-12-20 | 2019-10-29 | 哈尔滨理工大学 | A method for measuring the breakdown field strength of a solid dielectric test piece |
| TWI723381B (en) * | 2019-04-19 | 2021-04-01 | 張家歐 | Structure and method for detecting position of inertial axis of defective quartz hemispherical shell |
| CN110501588A (en) * | 2019-08-12 | 2019-11-26 | 国网山东综合能源服务有限公司 | Natural esters Insulation Oil Transformer electric heating combines fault simulation experiment porch and method |
| CN113009306A (en) * | 2021-05-07 | 2021-06-22 | 广东电网有限责任公司电力科学研究院 | Transformer breakdown fault gas production simulation system |
| CN113466635A (en) * | 2021-05-18 | 2021-10-01 | 华北电力大学 | Material surface insulation and partial discharge characteristic measuring device |
| CN113466635B (en) * | 2021-05-18 | 2023-10-10 | 华北电力大学 | A device for measuring surface insulation and partial discharge characteristics of materials |
| CN113687195A (en) * | 2021-08-13 | 2021-11-23 | 重庆大学 | Electrical equipment discharge fault simulation device and method |
| CN113687195B (en) * | 2021-08-13 | 2024-05-03 | 重庆大学 | Electrical equipment discharge fault simulation device and method |
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Application publication date: 20140723 |