[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

CN107436398B - Insulation bolt partial discharge performance test device - Google Patents

Insulation bolt partial discharge performance test device Download PDF

Info

Publication number
CN107436398B
CN107436398B CN201710453781.3A CN201710453781A CN107436398B CN 107436398 B CN107436398 B CN 107436398B CN 201710453781 A CN201710453781 A CN 201710453781A CN 107436398 B CN107436398 B CN 107436398B
Authority
CN
China
Prior art keywords
assembly
partial discharge
insulating
tested
discharge performance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710453781.3A
Other languages
Chinese (zh)
Other versions
CN107436398A (en
Inventor
徐征宇
程涣超
张书琦
李金忠
高飞
赵志刚
刘雪丽
汪可
孙建涛
王健一
郭锐
赵晓宇
申泽军
汤浩
遇心如
关健昕
吴超
仇宇舟
邓俊宇
贾鹏飞
周翠娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
Original Assignee
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, China Electric Power Research Institute Co Ltd CEPRI filed Critical State Grid Corp of China SGCC
Priority to CN201710453781.3A priority Critical patent/CN107436398B/en
Publication of CN107436398A publication Critical patent/CN107436398A/en
Priority to PCT/CN2018/088906 priority patent/WO2018228182A1/en
Application granted granted Critical
Publication of CN107436398B publication Critical patent/CN107436398B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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
    • G01R31/16Construction of testing vessels; Electrodes therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Relating To Insulation (AREA)

Abstract

The invention provides a device for testing partial discharge performance of an insulating bolt. The device includes: the device comprises a support component, a measuring barrel component with an opening at the bottom and a first sealing cover at the top, an electrode component and a test piece component; the measuring barrel assembly is connected with the supporting assembly and used for accommodating the electrode assembly and the test piece assembly, and the test piece assembly and the electrode assembly are arranged at the top and the bottom in the measuring barrel assembly in parallel; the test piece assembly is connected with the side wall of the measuring barrel assembly and used for placing an insulating bolt to be tested; the electrode assembly is connected with the side wall of the measuring barrel assembly and used for penetrating the insulating bolt to be tested and performing a partial discharge performance test on the insulating bolt to be tested. According to the invention, one end of the insulating bolt to be tested is fixed on the test piece assembly, the other end of the insulating bolt to be tested penetrates through the electrode assembly, and voltage is applied to the electrode assembly through external partial discharge equipment, so that the partial discharge performance of the insulating bolt to be tested is tested, and the insulation stability of the insulating bolt for the converter transformer is ensured.

Description

绝缘螺栓局部放电性能试验装置Insulation bolt partial discharge performance test device

技术领域technical field

本发明涉及高压与绝缘技术领域,具体而言,涉及一种绝缘螺栓局部放电性能试验装置。The invention relates to the technical field of high voltage and insulation, in particular to a partial discharge performance test device of an insulating bolt.

背景技术Background technique

换流变压器是超高压直流输电工程中至关重要的关键设备,是交、直流输电系统中的换流、逆变两端接口的核心设备。它的投入和安全运行是工程取得发电效益的关键和重要保证。在换流变压器中,为固定内部的引线或其他绝缘部件,需要用到大量绝缘螺栓,由于绝缘螺栓常常处于高电场作用下,容易发生局部放电,从而引发变压器故障。The converter transformer is a very important key equipment in the ultra-high voltage direct current transmission project, and it is the core equipment of the interface between the two ends of the converter and the inverter in the AC and DC transmission system. Its input and safe operation are the key and important guarantee for the project to obtain power generation benefits. In the converter transformer, a large number of insulating bolts are needed to fix the internal lead wires or other insulating components. Because the insulating bolts are often under the action of high electric field, partial discharge is prone to occur, which leads to transformer failure.

目前的技术手段可以考核绝缘纸板等规则形状绝缘件的局部放电性能,但无法考核绝缘螺栓在换流变压器内部高场强下的局部放电性能。The current technical means can test the partial discharge performance of insulating parts with regular shapes such as insulating cardboard, but cannot test the partial discharge performance of insulating bolts under high field strength inside the converter transformer.

发明内容SUMMARY OF THE INVENTION

鉴于此,本发明提出了一种绝缘螺栓局部放电性能试验装置,旨在解决现有绝缘螺栓局部放电性能试验难以进行的问题。In view of this, the present invention proposes a test device for partial discharge performance of insulating bolts, which aims to solve the problem that the partial discharge performance test of existing insulating bolts is difficult to carry out.

一个方面,本发明提出了一种绝缘螺栓局部放电性能试验装置,其特征在于,包括:支撑组件、底部开口且顶部设有第一封盖的测量桶组件、电极组件和试件组件;其中,所述测量桶组件与所述支撑组件相连接,用于容置所述电极组件和所述试件组件,所述试件组件和所述电极组件并列设置于所述测量桶组件内的顶部和底部;所述试件组件与所述测量桶组件的侧壁相连接,用于放置所述待试验绝缘螺栓;所述电极组件与所述测量桶组件的侧壁相连接,用于穿设所述待试验绝缘螺栓并对所述待试验绝缘螺栓进行局部放电性能试验。In one aspect, the present invention provides a test device for partial discharge performance of insulating bolts, which is characterized by comprising: a support assembly, a measuring barrel assembly with an open bottom and a first cover on the top, an electrode assembly and a test piece assembly; wherein, The measuring barrel assembly is connected with the supporting assembly for accommodating the electrode assembly and the test piece assembly, and the test piece assembly and the electrode assembly are arranged side by side on the top and bottom of the measuring barrel assembly. bottom; the test piece assembly is connected with the side wall of the measuring barrel assembly for placing the insulating bolts to be tested; the electrode assembly is connected with the side wall of the measuring barrel assembly for passing through the The insulating bolts to be tested are tested and a partial discharge performance test is performed on the insulating bolts to be tested.

进一步地,上述绝缘螺栓局部放电性能试验装置中,所述试件组件包括:固定板和连接耳;其中,所述固定板上设置有连接件,所述连接件上开设有至少两个用于放置待试验绝缘螺栓的螺纹孔;所述连接耳的一端与所述固定板的顶部相连接,另一端与所述第一封盖的底部相连接。Further, in the above-mentioned insulation bolt partial discharge performance test device, the test piece assembly includes: a fixing plate and a connecting ear; wherein, the fixing plate is provided with a connecting piece, and at least two are provided on the connecting piece for A threaded hole for placing the insulating bolt to be tested; one end of the connecting ear is connected to the top of the fixing plate, and the other end is connected to the bottom of the first cover.

进一步地,上述绝缘螺栓局部放电性能试验装置中,所述试件组件还包括:导向柱;其中,所述导向柱与所述固定板的边缘相连接,所述固定板通过所述导向柱与所述测量桶组件的侧壁相连接。Further, in the above-mentioned insulating bolt partial discharge performance test device, the test piece assembly also includes: a guide column; wherein, the guide column is connected with the edge of the fixed plate, and the fixed plate is connected to the fixed plate through the guide column. The side walls of the measuring barrel assembly are connected.

进一步地,上述绝缘螺栓局部放电性能试验装置中,所述电极组件包括:高压电极和位于所述高压电极上下两侧的两个地电极;其中,所述高压电极上开设有第一通槽,两个所述地电极开设有与所述第一通槽相对应的第二通槽,且所述第一通槽和所述第二通槽与所述连接件对应设置,用于穿设所述待试验绝缘螺栓;所述高压电极和两个所述地电极的引线分别延伸至所述测量桶组件的侧壁外,用于与外部局部放电设备相连接。Further, in the above-mentioned insulating bolt partial discharge performance test device, the electrode assembly includes: a high-voltage electrode and two ground electrodes located on the upper and lower sides of the high-voltage electrode; wherein, the high-voltage electrode is provided with a first through slot, Two of the ground electrodes are provided with a second through slot corresponding to the first through slot, and the first through slot and the second through slot are arranged corresponding to the connecting piece for passing through the the insulating bolts to be tested; the lead wires of the high voltage electrode and the two ground electrodes respectively extend to the outside of the side wall of the measuring barrel assembly for connection with external partial discharge equipment.

进一步地,上述绝缘螺栓局部放电性能试验装置中,所述第一通槽和所述第二通槽均至少为两个,并且,各所述第一通槽和各所述第二通槽对应设置;所述连接件至少为两个,各所述第一通槽、各所述第二通槽与各所述连接件一一对应设置。Further, in the above-mentioned insulating bolt partial discharge performance test device, there are at least two first through slots and two second through slots, and each of the first through slots corresponds to each of the second through slots. There are at least two connecting pieces, each of the first through grooves, each of the second through grooves and each of the connecting pieces are arranged in a one-to-one correspondence.

进一步地,上述绝缘螺栓局部放电性能试验装置中,还包括:滑轮组件;其中,所述滑轮组件的一端置于所述测量桶组件的第一封盖上,用于牵引所述待试验绝缘螺栓沿所述测量桶组件的轴向移动。Further, the apparatus for testing the partial discharge performance of insulating bolts further includes: a pulley assembly; wherein one end of the pulley assembly is placed on the first cover of the measuring barrel assembly for pulling the insulating bolt to be tested move along the axial direction of the measuring barrel assembly.

进一步地,上述绝缘螺栓局部放电性能试验装置中,所述滑轮组件包括:第一滑轮、第二滑轮和牵引索;其中,所述第一滑轮与所述第一封盖相连接,所述第二滑轮与所述支撑组件相连接;所述牵引索依次绕设于所述第二滑轮和所述第一滑轮,并穿过所述第一封盖与所述连接耳相连接,用于牵引所述待试验绝缘螺栓沿所述测量桶组件的轴向移动。Further, in the above-mentioned insulation bolt partial discharge performance test device, the pulley assembly includes: a first pulley, a second pulley and a traction cable; wherein, the first pulley is connected to the first cover, and the first pulley is connected to the first cover. Two pulleys are connected to the support assembly; the traction cable is wound around the second pulley and the first pulley in turn, and is connected to the connecting lug through the first cover for traction The insulating bolt to be tested moves along the axial direction of the measuring barrel assembly.

进一步地,上述绝缘螺栓局部放电性能试验装置中,所述滑轮组件还包括:干燥盒和第二封盖;其中,所述干燥盒置于所述第一滑轮下方,所述牵引索穿设于所述干燥盒;所述第二封盖与所述干燥盒相连接,用于密封所述干燥盒。Further, in the above-mentioned insulating bolt partial discharge performance test device, the pulley assembly further includes: a drying box and a second cover; wherein, the drying box is placed under the first pulley, and the traction cable is passed through the the drying box; the second cover is connected with the drying box for sealing the drying box.

进一步地,上述绝缘螺栓局部放电性能试验装置中,所述支撑组件包括:底座和筒体本体;其中,所述筒体本体的底部与所述底座相连接,所述筒体本体的顶部与所述测量桶组件的底部相连通;所述筒体本体外部设置有至少两根立柱,各所述立柱沿所述筒体本体的圆周方向分布。Further, in the above-mentioned insulating bolt partial discharge performance test device, the support assembly includes: a base and a cylinder body; wherein, the bottom of the cylinder body is connected to the base, and the top of the cylinder body is connected to the base. The bottom of the measuring barrel assembly is communicated with each other; at least two uprights are arranged outside the barrel body, and each of the uprights is distributed along the circumferential direction of the barrel body.

进一步地,上述绝缘螺栓局部放电性能试验装置中,所述测量桶组件的材质为亚克力板材。Further, in the above-mentioned insulating bolt partial discharge performance test device, the material of the measuring barrel assembly is an acrylic sheet.

本发明中,通过将待试验绝缘螺栓的一端固定于试件组件上,另一端穿设于电极组件,通过外部局部放电设备对电极组件施加电压,从而对待试验绝缘螺栓进行局部放电性能测试,保证了换流变压器用绝缘螺栓的绝缘稳定性。In the present invention, one end of the insulating bolt to be tested is fixed on the test piece assembly, and the other end is passed through the electrode assembly, and voltage is applied to the electrode assembly through an external partial discharge device, so that the partial discharge performance test of the insulating bolt to be tested is performed to ensure The insulation stability of insulating bolts for converter transformers is improved.

附图说明Description of drawings

通过阅读下文优选实施方式的详细描述,各种其他的优点和益处对于本领域普通技术人员将变得清楚明了。附图仅用于示出优选实施方式的目的,而并不认为是对本发明的限制。而且在整个附图中,用相同的参考符号表示相同的部件。在附图中:Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are for the purpose of illustrating preferred embodiments only and are not to be considered limiting of the invention. Also, the same components are denoted by the same reference numerals throughout the drawings. In the attached image:

图1为本发明实施例提供的绝缘螺栓局部放电性能试验装置的结构示意图;1 is a schematic structural diagram of an insulating bolt partial discharge performance test device provided by an embodiment of the present invention;

图2为本发明实施例提供的绝缘螺栓局部放电性能试验装置的又一结构图;Fig. 2 is another structural diagram of the insulating bolt partial discharge performance test device provided by the embodiment of the present invention;

图3为本发明实施例提供的绝缘螺栓局部放电性能试验装置的平面剖视图;3 is a plan sectional view of an insulating bolt partial discharge performance test device provided by an embodiment of the present invention;

图4为本发明实施例提供的绝缘螺栓局部放电性能试验装置中试件组件的主视图;4 is a front view of a test piece assembly in an insulating bolt partial discharge performance test device provided by an embodiment of the present invention;

图5为本发明实施例提供的绝缘螺栓局部放电性能试验装置中试件组件的侧视图;5 is a side view of the test piece assembly in the partial discharge performance test device for insulating bolts provided by an embodiment of the present invention;

图6为本发明实施例提供的绝缘螺栓局部放电性能试验装置中试件组件的仰视图;Fig. 6 is the bottom view of the test piece assembly in the insulating bolt partial discharge performance test device provided by the embodiment of the present invention;

图7为本发明实施例提供的绝缘螺栓局部放电性能试验装置中电极组件的结构图;7 is a structural diagram of an electrode assembly in an insulating bolt partial discharge performance test device provided by an embodiment of the present invention;

图8为本发明实施例提供的绝缘螺栓局部放电性能试验装置中滑轮组件的主视图;8 is a front view of the pulley assembly in the partial discharge performance test device for insulating bolts provided by an embodiment of the present invention;

图9为本发明实施例提供的绝缘螺栓局部放电性能试验装置中滑轮组件的俯视图。FIG. 9 is a top view of the pulley assembly in the partial discharge performance test device for insulating bolts provided by the embodiment of the present invention.

具体实施方式Detailed ways

下面将参照附图更详细地描述本公开的示例性实施例。虽然附图中显示了本公开的示例性实施例,然而应当理解,可以以各种形式实现本公开而不应被这里阐述的实施例所限制。相反,提供这些实施例是为了能够更透彻地理解本公开,并且能够将本公开的范围完整的传达给本领域的技术人员。需要说明的是,在不冲突的情况下,本发明中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本发明。Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure will be more thoroughly understood, and will fully convey the scope of the present disclosure to those skilled in the art. It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

参见图1-图3,图中示出了本发明实施例提供的绝缘螺栓局部放电性能试验装置的优选结构。如图所示,该装置包括:支撑组件1、底部开口且顶部设有第一封盖21的测量桶组件2、电极组件3和试件组件4。Referring to FIG. 1-FIG. 3, the figures show the preferred structure of the partial discharge performance testing device for insulating bolts provided by the embodiments of the present invention. As shown in the figure, the device includes: a support assembly 1 , a measuring barrel assembly 2 with an open bottom and a first cover 21 on the top, an electrode assembly 3 and a test piece assembly 4 .

其中,测量桶组件2与支撑组件1相连接,用于容置电极组件3和试件组件4。The measuring barrel assembly 2 is connected to the support assembly 1 for accommodating the electrode assembly 3 and the test piece assembly 4 .

具体地,支撑组件1可以包括:底座11和筒体本体12。底座11可以由底板和支撑柱组成,筒体本体12的底部与底座11相连接,例如可以焊接为一体结构。测量桶组件2的第一封盖21与测量桶组件2可以可拆卸连接,例如螺栓连接,测量桶组件2的底部开口,筒体本体12的顶部与测量桶组件2的底部相连通,测量桶组件2的材质可以为亚克力板材。Specifically, the support assembly 1 may include: a base 11 and a cylinder body 12 . The base 11 can be composed of a bottom plate and a support column, and the bottom of the cylinder body 12 is connected with the base 11, for example, it can be welded into an integral structure. The first cover 21 of the measuring barrel assembly 2 can be detachably connected to the measuring barrel assembly 2, such as bolted connection, the bottom of the measuring barrel assembly 2 is opened, the top of the cylinder body 12 is communicated with the bottom of the measuring barrel assembly 2, and the measuring barrel The material of the component 2 can be an acrylic sheet.

试件组件4和电极组件3并列设置于测量桶组件2内的顶部和底部,试件组件4与测量桶组件2的侧壁相连接,用于放置待试验绝缘螺栓6;电极组件3与测量桶组件2的侧壁相连接,用于穿设待试验绝缘螺栓6并对待试验绝缘螺栓6进行局部放电性能试验。The test piece assembly 4 and the electrode assembly 3 are arranged side by side at the top and bottom of the measuring barrel assembly 2, and the test piece assembly 4 is connected to the side wall of the measuring barrel assembly 2 for placing the insulating bolts 6 to be tested; The side walls of the barrel assembly 2 are connected to each other, and are used for passing through the insulating bolts 6 to be tested and performing partial discharge performance tests on the insulating bolts 6 to be tested.

具体地,试件组件4和电极组件3可以相对设置于测量桶组件2内的顶部和底部,待试验绝缘螺栓6的一端可以固定于试件组件4,待试验绝缘螺栓6的另一端可以穿设于电极组件3,电极组件3可以为三电极结构,电极组件3可以与测量桶组件2外部的局部放电设备相连接,以对待试验绝缘螺栓6施加电压并获取局部放电性能试验的结果。Specifically, the test piece assembly 4 and the electrode assembly 3 can be relatively arranged on the top and bottom of the measuring barrel assembly 2, one end of the insulating bolt 6 to be tested can be fixed to the test piece assembly 4, and the other end of the insulating bolt 6 to be tested can pass through Set on the electrode assembly 3, the electrode assembly 3 can be a three-electrode structure, and the electrode assembly 3 can be connected with the partial discharge equipment outside the measuring barrel assembly 2 to apply voltage to the insulating bolt 6 to be tested and obtain the result of the partial discharge performance test.

本实施例中,通过将待试验绝缘螺栓的一端固定于试件组件4上,另一端穿设于电极组件3,通过外部局部放电设备对电极组件3施加电压,从而对待试验绝缘螺栓6进行局部放电性能测试,保证了换流变压器用绝缘螺栓的绝缘稳定性,解决了现有技术中难以对不规则形状的绝缘螺栓进行局部放电性能试验的问题。In this embodiment, one end of the insulating bolt to be tested is fixed on the test piece assembly 4 and the other end is passed through the electrode assembly 3, and a voltage is applied to the electrode assembly 3 through an external partial discharge device, so that the insulating bolt 6 to be tested is partially The discharge performance test ensures the insulation stability of the insulating bolts for converter transformers, and solves the problem that it is difficult to perform partial discharge performance tests on insulating bolts with irregular shapes in the prior art.

参见图4至图6,上述实施例中,试件组件4可以包括:固定板41和连接耳43。4 to 6, in the above embodiment, the test piece assembly 4 may include: a fixing plate 41 and a connecting ear 43.

其中,固定板41上设置有连接件411。具体地,固定板41可以为圆形板,连接件411可以为条状连接板,条状连接板与固定板41可以为可拆卸连接,例如通过螺钉相连接,并且,条状连接板上可以开设有至少两个用于放置待试验绝缘螺栓6的连接孔,例如螺纹孔,具体实施时,各连接孔可以等间距设置。Wherein, the fixing plate 41 is provided with a connecting member 411 . Specifically, the fixing plate 41 can be a circular plate, the connecting member 411 can be a strip-shaped connecting plate, and the strip-shaped connecting plate and the fixing plate 41 can be detachably connected, for example, connected by screws, and the strip-shaped connecting plate can be At least two connection holes for placing the insulating bolts 6 to be tested, such as threaded holes, are opened. During specific implementation, the connection holes may be arranged at equal intervals.

连接耳43的一端与固定板41的顶部相连接,另一端与第一封盖21的底部相连接。具体地,连接耳43上可以开设有与第一封盖21的底部可拆卸连接的连接孔。One end of the connecting ear 43 is connected to the top of the fixing plate 41 , and the other end is connected to the bottom of the first cover 21 . Specifically, the connection ears 43 may be provided with connection holes detachably connected to the bottom of the first cover 21 .

可以看出,试件组件4可以同时放置多个待试验绝缘螺栓6,以对多个待试验绝缘螺栓6同时进行试验,此外,通过连接耳43与第一封盖21的底部相连接,有利于将固定板41上安装的待试验绝缘螺栓6稳固的放置于测量桶组件2中。It can be seen that the test piece assembly 4 can place a plurality of insulating bolts 6 to be tested at the same time, so as to test the plurality of insulating bolts 6 to be tested at the same time. This facilitates the stable placement of the insulating bolts 6 to be tested installed on the fixing plate 41 in the measuring barrel assembly 2 .

继续参见图4至图6,上述实施例中,试件组件4还可以包括:导向柱42。其中,导向柱42与固定板41的边缘相连接,固定板41通过导向柱42与测量桶组件2的侧壁相连接。具体地,导向柱42沿水平方向插设于固定板41,且导向柱42与测量桶组件2的侧壁相连接处可以为滚珠结构,用于限制待试验绝缘螺栓向水平方向倾斜。导向柱42的精度可以根据试验要求进行选择,例如导向柱42的精度可以满足待试验绝缘螺栓6的垂直度⊥为0.5mm。具体实施时,导向柱42可以为本领域技术人员所熟知的任意一种用于保证待试验绝缘螺栓6的垂直度的定位装置,本实施例对其不作任何限定。。Continue to refer to FIG. 4 to FIG. 6 , in the above-mentioned embodiment, the test piece assembly 4 may also include: a guide column 42. Wherein, the guide post 42 is connected with the edge of the fixing plate 41 , and the fixing plate 41 is connected with the side wall of the measuring barrel assembly 2 through the guide post 42 . Specifically, the guide post 42 is inserted into the fixing plate 41 in the horizontal direction, and the connection between the guide post 42 and the side wall of the measuring barrel assembly 2 can be a ball structure, which is used to limit the inclination of the insulating bolt to be tested in the horizontal direction. The precision of the guide post 42 can be selected according to the test requirements. For example, the precision of the guide post 42 can satisfy that the verticality ⊥ of the insulating bolt 6 to be tested is 0.5 mm. During specific implementation, the guide post 42 may be any positioning device known to those skilled in the art for ensuring the verticality of the insulating bolt 6 to be tested, which is not limited in this embodiment. .

可以看出,通过导向柱42,能保证待试验绝缘螺栓6的垂直度,有利于提高试验的精度。It can be seen that the verticality of the insulating bolt 6 to be tested can be ensured by the guide post 42, which is beneficial to improve the accuracy of the test.

上述实施例中,电极组件3包括:高压电极和位于高压电极上下两侧的两个地电极31。具体地,高压电极和地地电极31可以均为圆盘状结构。In the above embodiment, the electrode assembly 3 includes: a high-voltage electrode and two ground electrodes 31 located on the upper and lower sides of the high-voltage electrode. Specifically, both the high-voltage electrode and the ground electrode 31 may be disc-shaped structures.

其中,高压电极上开设有第一通槽,两个地电极31开设有与第一通槽相对应的第二通槽,且第一通槽和第二通槽与连接件411对应设置,用于穿设待试验绝缘螺栓6。具体地,第一通槽和第二通槽与连接件411对应设置,能保证待试验绝缘螺栓6垂直穿设于电机组件3中,第一通槽和第二通槽的形状可以为条状,第一通槽和第二通槽的口径可以根据待试验绝缘螺栓6的直径进行确定,例如第一通槽和第二通槽的口径可以为28mm,可以穿设最大直径为26mm的绝缘螺栓。Wherein, the high voltage electrode is provided with a first through slot, the two ground electrodes 31 are provided with a second through slot corresponding to the first through slot, and the first through slot and the second through slot are correspondingly arranged with the connector 411, Insulating bolts 6 to be tested are pierced. Specifically, the first through-slot and the second through-slot are correspondingly arranged with the connector 411, which can ensure that the insulating bolt 6 to be tested is vertically penetrated into the motor assembly 3, and the shape of the first through-slot and the second through-slot can be strip-shaped The diameter of the first through slot and the second through slot can be determined according to the diameter of the insulating bolt 6 to be tested. For example, the diameter of the first through slot and the second through slot can be 28mm, and an insulating bolt with a maximum diameter of 26mm can be passed through. .

优选地,第一通槽和第二通槽均至少为两个,并且,各第一通槽和各第二通槽对应设置;连接件411至少为两个,各第一通槽、各第二通槽与各连接件411一一对应设置。具体地,多个待试验绝缘螺栓6的一端分别通过各个连接件411上的连接孔与各个连接件411相连接,另一端分别依次垂直穿设于各第一通槽和各第二通槽。Preferably, there are at least two first through slots and each second through slot, and each first through slot and each second through slot are provided correspondingly; there are at least two connecting pieces 411 , each first through slot, The two through-slots are provided in a one-to-one correspondence with each of the connecting pieces 411 . Specifically, one end of the plurality of insulating bolts 6 to be tested is connected to each connecting piece 411 through the connecting hole on each connecting piece 411 , and the other ends are respectively vertically penetrated through each first through slot and each second through slot.

高压电极和两个地电极31的引线分别延伸至测量桶组件2的侧壁外,用于与外部局部放电设备相连接。具体地,高压电极和两个地电极31的引线可以分别与测量桶组件2外部的电源等试验设备相连接。The lead wires of the high voltage electrode and the two ground electrodes 31 respectively extend to the outside of the side wall of the measuring barrel assembly 2 for connection with external partial discharge equipment. Specifically, the lead wires of the high-voltage electrode and the two ground electrodes 31 can be respectively connected to test equipment such as a power supply outside the measuring barrel assembly 2 .

可以看出,本实施例结构简单,易于操作,在保证试验精度的同时提高了局部放电性能试验的效率。It can be seen that this embodiment has a simple structure and is easy to operate, and improves the efficiency of the partial discharge performance test while ensuring the test accuracy.

参见图7至图9,上述实施例中,还包括:滑轮组件5。其中,滑轮组件5的一端置于测量桶组件2的第一封盖21上,用于牵引待试验绝缘螺栓6沿测量桶组件2的轴向移动。具体地,滑轮组件5包括:第一滑轮51、第二滑轮52和牵引索53。其中,第一滑轮51与第一封盖21相连接,第二滑轮52与支撑组件1相连接。牵引索53依次绕设于第二滑轮52和第一滑轮51,并穿过第一封盖21与连接耳43相连接,用于牵引待试验绝缘螺栓6沿测量桶组件2的轴向移动。具体地,第一滑轮51可以为两个,第一封盖21上可以设置连接板,连接板与第一封盖21通过螺钉相连接,两个第一滑轮51可以置于该连接板的两端。支撑组件1上可以设置有连接轴,第二滑轮52通过该连接轴与支撑组件1相连接。与第一封盖21相连接的连接板上可以设置通孔,牵引索53绕设过两个第一滑轮51后,穿过该通孔后与连接耳43相连接。牵引索53的一端可以与电机的输出轴相连接,在电机的驱动下牵引待试验绝缘螺栓6沿测量桶组件2的轴向移动。Referring to FIG. 7 to FIG. 9 , the above-mentioned embodiment further includes: a pulley assembly 5 . One end of the pulley assembly 5 is placed on the first cover 21 of the measuring barrel assembly 2 for pulling the insulating bolt 6 to be tested to move along the axial direction of the measuring barrel assembly 2 . Specifically, the pulley assembly 5 includes: a first pulley 51 , a second pulley 52 and a traction cable 53 . The first pulley 51 is connected with the first cover 21 , and the second pulley 52 is connected with the support assembly 1 . The pulling cable 53 is wound around the second pulley 52 and the first pulley 51 in turn, and is connected to the connecting lug 43 through the first cover 21 for pulling the insulating bolt 6 to be tested to move along the axial direction of the measuring barrel assembly 2 . Specifically, there may be two first pulleys 51, a connecting plate may be provided on the first cover 21, the connecting plate and the first cover 21 are connected by screws, and the two first pulleys 51 may be placed on two sides of the connecting plate. end. The support assembly 1 may be provided with a connecting shaft, and the second pulley 52 is connected to the support assembly 1 through the connecting shaft. A through hole may be provided on the connecting plate connected to the first cover 21 , and the traction cable 53 is connected to the connecting lug 43 after passing through the through hole after passing through the two first pulleys 51 . One end of the pulling cable 53 can be connected with the output shaft of the motor, and the insulating bolt 6 to be tested is pulled to move along the axial direction of the measuring barrel assembly 2 under the driving of the motor.

可以看出,滑轮组件5可通过电机控制待试验绝缘螺栓6在测量桶组件2中上下移动,从而实现对较大长度绝缘螺栓的局部放电性能的测试。It can be seen that the pulley assembly 5 can control the insulating bolt 6 to be tested to move up and down in the measuring barrel assembly 2 through the motor, so as to realize the partial discharge performance test of the insulating bolt with a larger length.

上述实施例中,滑轮组件5还可以包括:干燥盒54和第二封盖55。其中,In the above embodiment, the pulley assembly 5 may further include: a drying box 54 and a second cover 55 . in,

干燥盒54置于第一滑轮51下方,牵引索53穿设于干燥盒54,第二封盖55与干燥盒54相连接,用于密封干燥盒54。具体地,干燥盒54可以开设有用于使牵引索53穿设的通孔,干燥盒54中可以填充能吸附空气中水分等的吸附剂。The drying box 54 is placed under the first pulley 51 , the traction cable 53 is passed through the drying box 54 , and the second cover 55 is connected to the drying box 54 for sealing the drying box 54 . Specifically, the drying box 54 may be provided with a through hole for passing the traction cable 53 therethrough, and the drying box 54 may be filled with an adsorbent capable of adsorbing moisture and the like in the air.

可以看出,通过干燥盒54可以出去牵引索53可能带入的空气中的水分,有效保证了试验的精度。It can be seen that the moisture in the air that may be brought in by the traction cable 53 can be removed through the drying box 54, which effectively ensures the accuracy of the test.

上述实施例中,支撑组件1可以包括:底座11和筒体本体12。其中,筒体本体12的底部与底座11相连接,筒体本体12的顶部与测量桶组件2的底部相连通。具体地,底座11的底部还可以设置多根立柱,筒体本体12与底座11顶部可以焊接连接。底座11的底部的立柱、筒体本体12的高度均可以根据实际情况进行选择,筒体本体12的直径可以小于测量桶组件2的直径,具体实施时,整个装置的高度和直径可以根据试验情况进行选择,例如整个装置的高度可以为2455mm,最大直径可以为600mm。In the above embodiment, the support assembly 1 may include: a base 11 and a cylinder body 12 . The bottom of the cylinder body 12 is connected with the base 11 , and the top of the cylinder body 12 is communicated with the bottom of the measuring barrel assembly 2 . Specifically, the bottom of the base 11 can also be provided with a plurality of uprights, and the cylinder body 12 and the top of the base 11 can be connected by welding. The height of the column at the bottom of the base 11 and the height of the cylinder body 12 can be selected according to the actual situation. The diameter of the cylinder body 12 can be smaller than the diameter of the measuring barrel assembly 2. In the specific implementation, the height and diameter of the entire device can be determined according to the test conditions. Choices are made, for example the height of the entire device can be 2455mm and the maximum diameter can be 600mm.

筒体本体12外部设置有至少两根立柱13,各立柱13沿筒体本体12的圆周方向分布。优选地,各立柱13沿筒体本体12的圆周方向均匀分布。At least two uprights 13 are disposed outside the cylindrical body 12 , and each of the uprights 13 is distributed along the circumferential direction of the cylindrical body 12 . Preferably, each of the uprights 13 is evenly distributed along the circumferential direction of the cylindrical body 12 .

可以看出,一方面,支撑组件1能更好地支撑测量桶组件2;另一方面,待试验结束后也便于将待试验绝缘螺栓6从筒体本体12中拆卸掉以进行下一轮试验,大大增加了试验操作的便捷性。It can be seen that, on the one hand, the support assembly 1 can better support the measuring barrel assembly 2; , greatly increasing the convenience of the test operation.

综上所述,通过将待试验绝缘螺栓的一端固定于试件组件上,另一端穿设于电极组件,通过外部局部放电设备对电极组件施加电压,从而对待试验绝缘螺栓进行局部放电性能测试,保证了换流变压器用绝缘螺栓的绝缘稳定性。To sum up, by fixing one end of the insulating bolt to be tested on the specimen assembly and the other end passing through the electrode assembly, and applying voltage to the electrode assembly through an external partial discharge device, the partial discharge performance test of the insulating bolt to be tested is carried out. The insulation stability of the insulating bolts for the converter transformer is guaranteed.

显然,本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样,倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内,则本发明也意图包含这些改动和变型在内。It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, provided that these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims (9)

1.一种绝缘螺栓局部放电性能试验装置 ,其特征在于,包括:支撑组件(1)、底部开口且顶部设有第一封盖(21)的测量桶组件(2)、电极组件(3)和试件组件(4);其中,1. An insulating bolt partial discharge performance test device, characterized in that it comprises: a support assembly (1), a measuring barrel assembly (2) with an open bottom and a first cover (21) at the top, and an electrode assembly (3) and the test piece assembly (4); wherein, 所述测量桶组件(2)与所述支撑组件(1)相连接,用于容置所述电极组件(3)和所述试件组件(4),所述试件组件(4)和所述电极组件(3)并列设置于所述测量桶组件(2)内的顶部和底部;The measuring barrel assembly (2) is connected with the support assembly (1), and is used for accommodating the electrode assembly (3) and the test piece assembly (4), the test piece assembly (4) and the The electrode assemblies (3) are arranged side by side at the top and the bottom of the measuring barrel assembly (2); 所述试件组件(4)与所述测量桶组件(2)的侧壁相连接,用于放置待试验绝缘螺栓(6);所述试件组件(4)包括:固定板(41)和连接耳(43);其中,The test piece assembly (4) is connected to the side wall of the measuring barrel assembly (2) for placing the insulating bolts (6) to be tested; the test piece assembly (4) comprises: a fixing plate (41) and connecting ear (43); wherein, 所述固定板(41)上设置有连接件(411),所述连接件(411)上开设有至少两个用于放置待试验绝缘螺栓(6)的螺纹孔;A connecting piece (411) is provided on the fixing plate (41), and at least two threaded holes for placing the insulating bolts (6) to be tested are opened on the connecting piece (411); 所述连接耳(43)的一端与所述固定板(41)的顶部相连接,另一端与所述第一封盖(21)的底部相连接;One end of the connecting ear (43) is connected with the top of the fixing plate (41), and the other end is connected with the bottom of the first cover (21); 所述电极组件(3)与所述测量桶组件(2)的侧壁相连接,用于穿设所述待试验绝缘螺栓(6)并对所述待试验绝缘螺栓(6)进行局部放电性能试验。The electrode assembly (3) is connected to the side wall of the measuring barrel assembly (2), and is used for passing the insulating bolt (6) to be tested and performing partial discharge performance on the insulating bolt (6) to be tested test. 2.根据权利要求1所述的绝缘螺栓局部放电性能试验装置,其特征在于,所述试件组件(4)还包括:导向柱(42);其中,2. The device for testing partial discharge performance of insulating bolts according to claim 1, wherein the test piece assembly (4) further comprises: a guide column (42); wherein, 所述导向柱(42)与所述固定板(41)的边缘相连接,所述固定板(41)通过所述导向柱(42)与所述测量桶组件(2)的侧壁相连接。The guide column (42) is connected with the edge of the fixing plate (41), and the fixing plate (41) is connected with the side wall of the measuring barrel assembly (2) through the guide column (42). 3.根据权利要求2所述的绝缘螺栓局部放电性能试验装置,其特征在于,所述电极组件(3)包括:高压电极(32)和位于所述高压电极(32)上下两侧的两个地电极(31);其中,3 . The partial discharge performance test device for insulating bolts according to claim 2 , wherein the electrode assembly ( 3 ) comprises: a high-voltage electrode ( 32 ) and two electrodes located on the upper and lower sides of the high-voltage electrode ( 32 ). 4 . ground electrode (31); wherein, 所述高压电极(32)上开设有第一通槽,两个所述地电极(31)开设有与所述第一通槽相对应的第二通槽,且所述第一通槽和所述第二通槽与所述连接件(411)对应设置,用于穿设所述待试验绝缘螺栓(6);The high voltage electrode (32) is provided with a first through slot, the two ground electrodes (31) are provided with a second through slot corresponding to the first through slot, and the first through slot is connected to the first through slot. The second through groove is correspondingly provided with the connecting piece (411), and is used for passing the insulating bolt (6) to be tested; 所述高压电极(32)和两个所述地电极(31)的引线分别延伸至所述测量桶组件(2)的侧壁外,用于与外部局部放电设备相连接。The lead wires of the high voltage electrode (32) and the two ground electrodes (31) respectively extend to the outside of the side wall of the measuring barrel assembly (2), and are used for connecting with external partial discharge equipment. 4.根据权利要求3所述的绝缘螺栓局部放电性能试验装置,其特征在于,所述第一通槽和所述第二通槽均至少为两个,并且,各所述第一通槽和各所述第二通槽对应设置;4 . The partial discharge performance test device for insulating bolts according to claim 3 , wherein there are at least two first through slots and two second through slots, and each of the first through slots and Each of the second through grooves is correspondingly arranged; 所述连接件(411)至少为两个,各所述第一通槽、各所述第二通槽与各所述连接件(411)一一对应设置。There are at least two connecting pieces (411), and each of the first through grooves and each of the second through grooves is provided in a one-to-one correspondence with each of the connecting pieces (411). 5.根据权利要求4所述的绝缘螺栓局部放电性能试验装置,其特征在于,还包括:滑轮组件(5);其中,5 . The partial discharge performance test device for insulating bolts according to claim 4 , further comprising: a pulley assembly ( 5 ); wherein, 所述滑轮组件(5)的一端置于所述测量桶组件(2)的第一封盖(21)上,用于牵引所述待试验绝缘螺栓(6)沿所述测量桶组件(2)的轴向移动。One end of the pulley assembly (5) is placed on the first cover (21) of the measuring barrel assembly (2) for pulling the insulating bolt (6) to be tested along the measuring barrel assembly (2) axial movement. 6.根据权利要求5所述的绝缘螺栓局部放电性能试验装置,其特征在于,所述滑轮组件(5)包括:第一滑轮(51)、第二滑轮(52)和牵引索(53);其中,6 . The partial discharge performance test device for insulating bolts according to claim 5 , wherein the pulley assembly ( 5 ) comprises: a first pulley ( 51 ), a second pulley ( 52 ) and a traction cable ( 53 ); 6 . in, 所述第一滑轮(51)与所述第一封盖(21)相连接,所述第二滑轮(52)与所述支撑组件(1)相连接;The first pulley (51) is connected with the first cover (21), and the second pulley (52) is connected with the support assembly (1); 所述牵引索(53)依次绕设于所述第二滑轮(52)和所述第一滑轮(51),并穿过所述第一封盖(21)与所述连接耳(43)相连接,用于牵引所述待试验绝缘螺栓(6)沿所述测量桶组件(2)的轴向移动。The traction cable (53) is wound around the second pulley (52) and the first pulley (51) in sequence, and passes through the first cover (21) to be connected to the connecting ear (43) The connection is used for pulling the insulating bolt (6) to be tested to move along the axial direction of the measuring barrel assembly (2). 7.根据权利要求6所述的绝缘螺栓局部放电性能试验装置,其特征在于,所述滑轮组件(5)还包括:干燥盒(54)和第二封盖(55);其中,7 . The partial discharge performance test device for insulating bolts according to claim 6 , wherein the pulley assembly ( 5 ) further comprises: a drying box ( 54 ) and a second cover ( 55 ); wherein, 所述干燥盒(54)置于所述第一滑轮(51)下方,所述牵引索(53)穿设于所述干燥盒(54);The drying box (54) is placed under the first pulley (51), and the traction cable (53) is passed through the drying box (54); 所述第二封盖(55)与所述干燥盒(54)相连接,用于密封所述干燥盒(54)。The second cover (55) is connected with the drying box (54) for sealing the drying box (54). 8.根据权利要求1至7中任一项所述的绝缘螺栓局部放电性能试验装置,其特征在于,所述支撑组件(1)包括:底座(11)和筒体本体(12);其中,8 . The partial discharge performance test device for insulating bolts according to claim 1 , wherein the support assembly ( 1 ) comprises: a base ( 11 ) and a cylinder body ( 12 ); wherein, 所述筒体本体(12)的底部与所述底座(11)相连接,所述筒体本体(12)的顶部与所述测量桶组件(2)的底部相连通;The bottom of the cylinder body (12) is connected with the base (11), and the top of the cylinder body (12) is communicated with the bottom of the measuring barrel assembly (2); 所述筒体本体(12)外部设置有至少两根立柱(13),各所述立柱(13)沿所述筒体本体(12)的圆周方向分布。At least two uprights (13) are arranged outside the cylindrical body (12), and each of the uprights (13) is distributed along the circumferential direction of the cylindrical body (12). 9.根据权利要求1至7中任一项所述的绝缘螺栓局部放电性能试验装置,其特征在于,所述测量桶组件(2)的材质为亚克力板材。9 . The partial discharge performance test device for insulating bolts according to claim 1 , wherein the material of the measuring barrel assembly ( 2 ) is an acrylic sheet. 10 .
CN201710453781.3A 2017-06-15 2017-06-15 Insulation bolt partial discharge performance test device Active CN107436398B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201710453781.3A CN107436398B (en) 2017-06-15 2017-06-15 Insulation bolt partial discharge performance test device
PCT/CN2018/088906 WO2018228182A1 (en) 2017-06-15 2018-05-29 Device for testing partial discharge performance of insulated bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710453781.3A CN107436398B (en) 2017-06-15 2017-06-15 Insulation bolt partial discharge performance test device

Publications (2)

Publication Number Publication Date
CN107436398A CN107436398A (en) 2017-12-05
CN107436398B true CN107436398B (en) 2020-06-26

Family

ID=60458841

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710453781.3A Active CN107436398B (en) 2017-06-15 2017-06-15 Insulation bolt partial discharge performance test device

Country Status (2)

Country Link
CN (1) CN107436398B (en)
WO (1) WO2018228182A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107436398B (en) * 2017-06-15 2020-06-26 中国电力科学研究院 Insulation bolt partial discharge performance test device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203191510U (en) * 2013-04-22 2013-09-11 上海蓝波高电压技术设备有限公司 Shielding room device for partial discharge test
CN103353574A (en) * 2013-07-11 2013-10-16 河南平高东芝高压开关有限公司 Insulation test device for insulated pull rod of GIS (Gas Insulated metal-enclosed Switchgear)
JP5374532B2 (en) * 2011-03-25 2013-12-25 株式会社エクシム Pre-mold insulator partial discharge test apparatus and pre-mold insulator partial discharge test method
CN104280412A (en) * 2014-09-12 2015-01-14 国家电网公司 Local discharging detection method of insulating draw bar based on electric field calculation and X-ray excitation
CN205844462U (en) * 2016-07-13 2016-12-28 西安科技大学 A kind of solid insulating material surface-discharge assay device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201035119Y (en) * 2007-04-28 2008-03-12 武汉奋进电力技术有限公司 Annular insulating stud suspension testing jig
JP2009020008A (en) * 2007-07-12 2009-01-29 Mitsubishi Electric Corp Insulation monitoring device for gas insulation equipment
KR20100089145A (en) * 2009-02-03 2010-08-12 엘에스전선 주식회사 Test apparatus for dielectric breakdown strength
CN202133746U (en) * 2011-06-09 2012-02-01 平高集团有限公司 Insulation test device for ultra-high voltage rod insulation
CN203630285U (en) * 2013-11-26 2014-06-04 国家电网公司 Device used for partial discharge characteristic test
CN204008976U (en) * 2014-07-25 2014-12-10 山东泰开高压开关有限公司 The pressure test frock of insulated tension pole for a kind of combined electrical apparatus
CN107436398B (en) * 2017-06-15 2020-06-26 中国电力科学研究院 Insulation bolt partial discharge performance test device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5374532B2 (en) * 2011-03-25 2013-12-25 株式会社エクシム Pre-mold insulator partial discharge test apparatus and pre-mold insulator partial discharge test method
CN203191510U (en) * 2013-04-22 2013-09-11 上海蓝波高电压技术设备有限公司 Shielding room device for partial discharge test
CN103353574A (en) * 2013-07-11 2013-10-16 河南平高东芝高压开关有限公司 Insulation test device for insulated pull rod of GIS (Gas Insulated metal-enclosed Switchgear)
CN104280412A (en) * 2014-09-12 2015-01-14 国家电网公司 Local discharging detection method of insulating draw bar based on electric field calculation and X-ray excitation
CN205844462U (en) * 2016-07-13 2016-12-28 西安科技大学 A kind of solid insulating material surface-discharge assay device

Also Published As

Publication number Publication date
WO2018228182A1 (en) 2018-12-20
CN107436398A (en) 2017-12-05

Similar Documents

Publication Publication Date Title
CN105510780B (en) SF6 High-Voltage Electrical Appliances insulated pull rod Insulation Test system and method
CN101696995B (en) Measurement system of space charge of coaxial high-voltage direct current plastic cable
CN104820171B (en) A kind of paper oil insulation partial discharge test lubricating cup
CN107991585B (en) Basin-type insulator voltage withstand test device
CN215575613U (en) Magnetic field intensity tester calibrating device
CN107436398B (en) Insulation bolt partial discharge performance test device
CN105116282B (en) A kind of cable fault test remote control ball discharge gap device
CN104181424B (en) Test device and test method for electric heat joint aging of transformer winding
JP5374532B2 (en) Pre-mold insulator partial discharge test apparatus and pre-mold insulator partial discharge test method
CN104360241A (en) System and method for impulse withstanding performance test of gas-insulated impulse voltage generator unit
CN106477518A (en) A kind of shock wave exciting bank that can enter row energization in high temperature environments to MEMS metal micro structure
CN103675631B (en) A kind of insulating tool Withstand test device
CN112072474A (en) Multichannel discharging device for accelerating electrical aging of insulating silicon oil
CN105004970B (en) High voltage partial discharge model switching device under hyperbar
CN105807101A (en) Lead and holder for withstand voltage test of high-voltage electrical equipment
CN207456940U (en) A kind of suspension clamp failure load test fixture
CN204731367U (en) An oil-paper insulation partial discharge test oil cup
CN208872857U (en) A kind of battery performance simulating test device
CN209673862U (en) A kind of high-potting binding clip
CN113655347B (en) Corona aging apparatus and method
CN103123381B (en) Cable outlet system for high voltage cable oscillatory wave partial discharge detection system
CN206321748U (en) Insulate system safety testing device
CN205789242U (en) A kind of power cable semi-conductive layer resistivity test device
CN212255527U (en) A plug-in arrester test tool
CN117368620B (en) Composite insulator aging experimental device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant