CN208476977U - Transformer high-voltage pile crown tests electrode and transformer - Google Patents

Transformer high-voltage pile crown tests electrode and transformer Download PDF

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Publication number
CN208476977U
CN208476977U CN201821202568.1U CN201821202568U CN208476977U CN 208476977 U CN208476977 U CN 208476977U CN 201821202568 U CN201821202568 U CN 201821202568U CN 208476977 U CN208476977 U CN 208476977U
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CN
China
Prior art keywords
voltage pile
line plate
transformer
voltage
test bar
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.)
Withdrawn - After Issue
Application number
CN201821202568.1U
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Chinese (zh)
Inventor
冶海平
蒲寅
戴强
齐敦友
于生文
李永胜
彭家琦
马育林
贾忠军
郭世云
张志胜
马顺青
张红强
王伟
黄思磊
屈有清
孙保磊
康之强
邓欣
乔阳波
段娜
郑敏
刘生玺
谈生磊
李寿
张庆明
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.)
HAIDONG POWER SUPPLY COMPANY STATE GRID QINGHAI ELECTRIC POWER Co Ltd
State Grid Qinghai Electric Power Co Ltd
Original Assignee
HAIDONG POWER SUPPLY COMPANY STATE GRID QINGHAI ELECTRIC POWER Co Ltd
State Grid Qinghai Electric Power Co Ltd
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 HAIDONG POWER SUPPLY COMPANY STATE GRID QINGHAI ELECTRIC POWER Co Ltd, State Grid Qinghai Electric Power Co Ltd filed Critical HAIDONG POWER SUPPLY COMPANY STATE GRID QINGHAI ELECTRIC POWER Co Ltd
Priority to CN201821202568.1U priority Critical patent/CN208476977U/en
Application granted granted Critical
Publication of CN208476977U publication Critical patent/CN208476977U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of transformer high-voltage pile crown test electrode and transformer, it is related to electric power accessories field, it include: reference test bar and insulating sheath, one end of reference test bar is connect with high-voltage pile line plate, the other end is free end, free end is provided with insulating layer outside high-voltage pile line plate and outside reference test bar and high-voltage pile line plate junction for connecting with electrical test test equipment;Insulating sheath is arranged with outside the free end of reference test bar.Insulating layer is respectively provided in the outside of the outside of high-voltage pile line plate and reference test bar and high-voltage pile line plate junction, only expose the free end of reference test bar, due to test when it is not necessary that the insulating tape wound outside high-voltage pile line plate is removed, insulating sheath need to only be removed and expose free end, and without carrying out insulating processing of getting angry outside to high-voltage pile line plate after testing, insulating sheath need to be only arranged on free end, therefore, the amount of labour of staff can be reduced, improve the working efficiency of staff, and reduce operating risk.

Description

Transformer high-voltage pile crown tests electrode and transformer
Technical field
The utility model relates to electric power accessories fields, test electrode and transformation more particularly, to a kind of transformer high-voltage pile crown Device.
Background technique
Provide in 18 anti-accident measures of State Grid Corporation of China: transformer 35kv and outlet pile crown below need to use insulation Adhesive tape carries out hermetically sealed insulating wrapped to realize the insulating processing to there is pile crown, to prevent transformer near region short trouble Generation.
But transformer needs periodically to do the electrical tests such as D.C. resistance test, megger test test, in transformer It needs to remove the insulating wrapped occurred on pile crown when electrical test is tested, the test clip of electrical test test equipment is clamped into high pressure Pile crown line plate is to carry out electrical test test;Complete experimental test after again need handle work formality of getting angry, to high-voltage pile into The hermetically sealed insulating wrapped of row, i.e., using insulating tape by the a-circle-by-a-circle winding of high-voltage pile, so that it is isolated from the outside, and right Processing of getting angry is needed when high-voltage pile carries out hermetically sealed insulating wrapped.It is surveyed so that technical staff does regular electrical test to transformer Larger workload, working efficiency are low when examination and processing of getting angry can generate certain security risk.
Utility model content
It is existing to solve the purpose of this utility model is to provide a kind of transformer high-voltage pile crown test electrode and transformer Larger workload, working efficiency be low when staff does regular electrical test test to transformer in technology and operating risk compared with Big problem.
The utility model provides a kind of transformer high-voltage pile crown test electrode, comprising: reference test bar and insulating sheath, the survey One end of bar is connect with high-voltage pile line plate, and the other end is free end, and the free end is used for and electrical test test equipment It connects, is provided with insulating layer outside the outer and described reference test bar of the high-voltage pile line plate and the high-voltage pile line plate junction;
The insulating sheath is arranged with outside the free end of the reference test bar.
Wherein, the reference test bar is provided with external screw thread far from one end of the free end, opens on the high-voltage pile line plate Equipped with screw hole, the reference test bar wears the screw hole and is threadedly coupled with the high-voltage pile line plate;
The port of the insulating sheath is provided with the internal screw thread to match with the external screw thread.
Specifically, the transformer high-voltage pile crown test electrode further includes the first fixing piece, is opened on first fixing piece Equipped with screw hole;
The high-voltage pile line plate is connected with drainage plate, and the drainage plate offers mounting hole, and the reference test bar is successively worn If the screw hole and the mounting hole of the high-voltage pile line plate, and be threadedly coupled with first fixing piece, so that the high pressure Pile crown line plate is fitted closely with the drainage plate.
Further, the transformer high-voltage pile crown test electrode further includes insulation tube, and the insulative pipe sleeve is set to described Outside reference test bar, and one end of the insulation tube is threadedly coupled with the reference test bar, and is abutted with first fixing piece;
One end on the insulation tube far from first fixing piece is equipped with external screw thread, and the insulating sheath is provided with and institute State the internal screw thread that the external screw thread of insulation tube matches.
Specifically, the reference test bar is provided with the second fixing piece, second fixing piece far from one end of the free end It is connect with the reference test bar.
Further, first fixing piece, on second fixing piece close to the transformer high-voltage pile crown line plate Side is respectively arranged with conductive layer.
Further, the conductive layer is the conductive paste being set on first fixing piece and second fixing piece.
Compared with the existing technology, transformer high-voltage pile crown test electrode provided by the utility model has the advantage that
Transformer high-voltage pile crown provided by the utility model tests electrode, periodically carries out direct current to transformer in technical staff When the electrical tests such as resistance test, megger test are tested, insulating sheath is removed from reference test bar, electrical test is tested The test clip of instrument is clamped in the free end of reference test bar, since reference test bar is connect with high-voltage pile line plate, to realize electrical examination The connection of test test instrument and high-voltage pile line plate, to carry out electrical test test to transformer.
It is respectively provided with insulating layer in the outside of the outside of high-voltage pile line plate and reference test bar and high-voltage pile line plate junction, i.e., Insulating tape is wound, the free end of reference test bar is only exposed, after completing electrical test test, insulating sheath is arranged outside free end, To realize the hermetically sealed insulating wrapped for pile crown occur;When being tested using electrical test test equipment transformer, directly It connects and removes insulating sheath, expose free end, the free end of electrical test test equipment and reference test bar is connected, to realize to change The experimental test of depressor.Due to, without removing the insulating tape wound outside high-voltage pile line plate, need to only be removed absolutely in test Edge sheath, and be not necessarily to only be arranged insulation on free end to insulating processing of getting angry is carried out outside high-voltage pile line plate after testing Sheath, therefore, it is possible to reduce the amount of labour of staff, the working efficiency for improving staff, and reduce operating risk.
The utility model also provides a kind of transformer, and the transformer includes transformer body, transformer high-voltage bushing, change Depressor high-voltage pile line plate and above-mentioned transformer high-voltage pile crown test electrode, one end of the transformer high-voltage bushing and the change The connection of depressor ontology, the other end connect with the transformer high-voltage pile crown line plate, the reference test bar far from the free end one End is connect with the transformer high-voltage pile crown line plate.
Possessed advantage is identical compared with the existing technology with above-mentioned transformer high-voltage pile crown test electrode for the transformer, Details are not described herein.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram that transformer high-voltage pile crown provided by the embodiment of the utility model tests electrode;
Fig. 2 is that transformer high-voltage pile crown provided by the embodiment of the utility model tests reference test bar and the first fixing piece in electrode The structural schematic diagram of connection;
Fig. 3 is the structural representation that transformer high-voltage pile crown provided by the embodiment of the utility model tests insulation tube in electrode Figure;
Fig. 4 is the structural representation that transformer high-voltage pile crown provided by the embodiment of the utility model tests insulating sheath in electrode Figure;
Fig. 5 is the structural schematic diagram of transformer provided by the embodiment of the utility model.
Appended drawing reference:
1- reference test bar;The second fixing piece of 11-;The free end 12-;The first fixing piece of 2-;3- insulation tube;4- insulation shield Set;5- high-voltage pile line plate;51- insulating layer;6- drainage plate;7- transformer high-voltage bushing;8- transformer body.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", " left side ", " right side ", "vertical", "horizontal", "inner", "outside", "front", "rear" etc., indicated by orientation or positional relationship for based on attached drawing institute The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical Novel limitation.In addition, such as there is term " first ", " second ", " third " are used for description purposes only, and should not be understood as indicating Or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.
Fig. 1 is the structural schematic diagram that transformer high-voltage pile crown provided by the embodiment of the utility model tests electrode;Fig. 5 is this The structural schematic diagram for the transformer that utility model embodiment provides.
As shown in Figure 1 and Figure 5, transformer high-voltage pile crown provided in this embodiment tests electrode, comprising: reference test bar 1 and absolutely One end of edge sheath 4, reference test bar 1 is connect with high-voltage pile line plate 5, the other end be free end 12, free end 12 be used for it is electrical Test instrument connects, and is provided with insulation outside high-voltage pile line plate 5 and outside reference test bar 1 and 5 junction of high-voltage pile line plate Layer 51;Insulating sheath 4 is arranged with outside the free end 12 of reference test bar 1.
Compared with the existing technology, transformer high-voltage pile crown test electrode provided in this embodiment has the advantage that
Transformer high-voltage pile crown provided in this embodiment tests electrode, periodically carries out direct current to transformer in technical staff When hindering the electrical tests such as test, megger test test, insulating sheath 4 is removed from reference test bar 1, electrical test is tested The test clip of instrument is clamped in the free end 12 of reference test bar 1, since reference test bar 1 is connect with high-voltage pile line plate 5, to realize electricity The connection of gas test instrument and high-voltage pile line plate 5, to carry out electrical test test to transformer.
Insulating layer is respectively provided in the outside of the outside of high-voltage pile line plate 5 and reference test bar 1 and 5 junction of high-voltage pile line plate 51, i.e. winding insulating tape, only expose the free end 12 of reference test bar 1, after completing electrical test test, are arranged outside free end 12 There is the hermetically sealed insulating wrapped of pile crown to realize in insulating sheath 4;Transformer is being carried out using electrical test test equipment When test, directly insulating sheath 4 is removed, exposes free end 12, by the free end 12 of electrical test test equipment and reference test bar 1 Connection, to realize the experimental test to transformer.Due to the insulating tape in test without will be wound outside high-voltage pile line plate 5 It removes, only need to remove insulating sheath 4, and without to insulating processing of getting angry is carried out outside high-voltage pile line plate 5 after testing, it only need to be It is arranged insulating sheath 4 on free end 12, therefore, the amount of labour of staff can be saved, improve the working efficiency of staff, And reduce operating risk.
Fig. 2 is that transformer high-voltage pile crown provided by the embodiment of the utility model tests reference test bar and the first fixing piece in electrode The structural schematic diagram of connection;Fig. 4 is that transformer high-voltage pile crown provided by the embodiment of the utility model tests insulating sheath in electrode Structural schematic diagram.
Wherein, in order to enable reference test bar 1 firmly to connect with high-voltage pile line plate 5, insulating sheath 4, and facilitate insulation Sheath 4 is removed from reference test bar 1, to expose free end 12, facilitates reference test bar 1 to connect with electrical test test equipment, this implementation In the transformer high-voltage pile crown test electrode that example provides, as shown in Fig. 2 and Fig. 4-5, the one end of reference test bar 1 far from free end 12 It is provided with external screw thread, screw hole is offered on high-voltage pile line plate 5, reference test bar 1 wears screw hole and 5 screw thread of high-voltage pile line plate connects It connects;The port of insulating sheath 4 is provided with the internal screw thread to match with external screw thread.
It is connected through a screw thread between reference test bar 1 and high-voltage pile line plate 5, also by spiral shell between insulating sheath 4 and reference test bar 1 Line connection, to make reference test bar 1 can firmly connect with high-voltage pile line plate 5, insulating sheath 4, and can be in order to exhausted Edge sheath 4 is removed and is installed from reference test bar 1.
Insulating tape is wound outside one end and high-voltage pile line plate 5 by reference test bar 1 far from free end 12, only exposes test The free end 12 of bar 1;It is arranged insulating sheath 4 outside free end 12, so that reference test bar 1 and high-voltage pile line plate 5 is hermetically sealed Insulating processing;When carrying out electric test to transformer, it is only necessary to screw off insulating sheath 4 from free end 12, in this way, with existing There is technology to compare, a large amount of time and the amount of labour can be saved, to improve working efficiency, the labour for mitigating staff is strong Degree.
Specifically, in order to which high-voltage pile line plate 5 firmly to be connect with drainage plate 6, to realize preferably power transmission, this reality It applies in the transformer high-voltage pile crown test electrode of example offer, as shown in Figure 1 and Figure 5, transformer high-voltage pile crown test electrode also wraps The first fixing piece 2 is included, offers screw hole on the first fixing piece 2;High-voltage pile line plate 5 is connected with drainage plate 6, and drainage plate 6 opens up There is mounting hole, reference test bar 1 successively wears the screw hole and mounting hole of high-voltage pile line plate 5, and is threadedly coupled with the first fixing piece 2, So that high-voltage pile line plate 5 is fitted closely with drainage plate 6.
First fixing piece 2 can be nut.
First fixing piece 2 is arranged on reference test bar 1, between drainage plate 6 and free end 12, passes through reference test bar 1 and height Lamination shoe line plate 5, the first fixing piece 2 are threadedly coupled respectively, drainage plate 6 are squeezed to 5 direction of high-voltage pile line plate, until drawing It is fitted closely between flowing plate 6 and high-voltage pile line plate 5, is connected with drainage thread on drainage plate 6, so that the electric current by transformer is preferable Ground transfers out.
Fig. 3 is the structural representation that transformer high-voltage pile crown provided by the embodiment of the utility model tests insulation tube in electrode Figure.
Further, in order to further increase the quality that the hermetically sealed insulating of transformer high-voltage pile crown is handled, to prevent from becoming The generation of depressor near region short trouble, transformer high-voltage pile crown provided in this embodiment are tested in electrode, as shown in Figure 1-3, become It further includes insulation tube 3 that depressor high-voltage pile, which tests electrode, and insulation tube 3 is sheathed on outside reference test bar 1, and one end of insulation tube 3 and survey Bar 1 is threadedly coupled, and is abutted with the first fixing piece 2;One end on insulation tube 3 far from the first fixing piece 2 is equipped with external screw thread, absolutely Edge sheath 4 is provided with the internal screw thread to match with the external screw thread of insulation tube 3.
The internal screw thread that insulation tube 3 matches close to the setting of one end of the first fixing piece 2 with the external screw thread on reference test bar 1, with Make to be threadedly coupled between insulation tube 3 and reference test bar 1, is not only convenient for dismantling, and connective stability is preferable.
It will connect outside high-voltage pile line plate 5, outside reference test bar 1 and high-voltage pile junction with insulation tube 3 with reference test bar 1 Outside wind insulating tape, insulating sheath 4 is connect with insulation tube 3 far from the threaded one end of the first fixing piece 2, can be true Protect one end far from free end 12 of transformer high-voltage pile crown line plate 5, reference test bar 1, the first fixing piece 2 is all coated by insulating tape Come, the free end 12 of reference test bar 1 is got up by the cladding of insulating sheath 4, to further increase hermetically sealed to transformer high-voltage pile crown The quality of insulating processing.
Further, ground stability is connect to further increase high-voltage pile line plate 5 with drainage plate 6, thus realize compared with Power transmission well, transformer high-voltage pile crown provided in this embodiment are tested in electrode, and as shown in Figure 1 and Figure 5, reference test bar 1 is far from certainly Second fixing piece 11 is provided with by the one end at end 12, the second fixing piece 11 is connect with reference test bar 1.
Second fixing piece 11 can be integrally formed with reference test bar 1, the modes such as can also take welding, be bonded, be spirally connected connect.
The second fixing piece 11 will be connected close to one end of high-voltage pile line plate 5 on reference test bar 1, it is close on reference test bar 1 to draw One end of flowing plate 6 connects the first fixed frame, so that the first fixing piece 2, the second fixing piece 11 are by high-voltage pile line plate 5 and drainage plate 6 clip together, and by rotating the first fixing piece 2, make the first fixing piece 2 close to drainage plate 6, to drive drainage plate 6 and high piling Head line plate 5 fits closely, so that the electric current of transformer preferably be transferred out.
Further, in order to reduce the contact resistance between high-voltage pile line plate 5 and the second fixing piece 11 as much as possible, draw Contact resistance between flowing plate 6 and the first fixing piece 2, so that it is guaranteed that the accuracy of the electrical test test data to transformer, In transformer high-voltage pile crown test electrode provided in this embodiment, as shown in Figure 1 and Figure 5, the first fixing piece 2, the second fixing piece Side on 11 close to transformer high-voltage pile crown line plate 5 is respectively arranged with conductive layer.
By on the first fixing piece 2 and the second fixing piece 11, close to the side of transformer high-voltage pile crown line plate 5, setting is led Electric layer can be eliminated due to the first fixing piece 2, the second fixing piece 11 and high-voltage pile line plate 5 contact resistances are excessive asks Topic, so that it is guaranteed that the accuracy of the electrical test test data to transformer.
Specifically, in order to reduce as much as possible the contact resistance between high-voltage pile line plate 5 and the second fixing piece 11, drainage Contact resistance between plate 6 and the first fixing piece 2, so that it is guaranteed that the accuracy of the electrical test test data to transformer, leads Electric layer is the conductive paste being set on the first fixing piece 2 and the second fixing piece 11, and conductive paste is in the first fixing piece 2, second Close to the one side of high-voltage pile line plate 5 on fixing piece 11.
Further, in order to ensure quality that the high-voltage pile line plate 5 to transformer carries out hermetically sealed insulating processing While, it also can be when periodically being tested transformer using electrical test test equipment, staff will be without that will wind Insulating tape on high-voltage pile disassembles round and round, to make that the workload of staff is smaller, working efficiency It is higher, and operating risk is smaller, transformer may include transformer body 8, transformer high-voltage bushing 7, transformer high-voltage pile crown Line plate 5 and transformer high-voltage pile crown provided by the above embodiment test electrode, one end of transformer high-voltage bushing 7 and transformer sheet Body 8 connects, and the other end is connect with transformer high-voltage pile crown line plate 5, reference test bar 1 one end and transformer high-voltage far from free end 12 Pile crown line plate 5 connects.
Insulating layer is respectively provided in the outside of the outside of high-voltage pile line plate 5 and reference test bar 1 and 5 junction of high-voltage pile line plate 51, i.e. winding insulating tape, only expose the free end 12 of reference test bar 1, after completing electrical test test, are arranged outside free end 12 There is the hermetically sealed insulating wrapped of pile crown to realize in insulating sheath 4;Transformer is being carried out using electrical test test equipment When test, directly insulating sheath 4 is removed, exposes free end 12, by the free end 12 of electrical test test equipment and reference test bar 1 Connection, to realize the experimental test to transformer.
Due to, without removing the insulating tape wound outside high-voltage pile line plate 5, need to only remove insulating sheath in test 4, and be not necessarily to only be arranged insulation on free end 12 to insulating processing of getting angry is carried out outside high-voltage pile line plate 5 and protect after testing Therefore set 4 can save the amount of labour of staff, improve the working efficiency of staff, and reduce operating risk.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (8)

1. a kind of transformer high-voltage pile crown tests electrode characterized by comprising reference test bar and insulating sheath, the reference test bar One end connect with high-voltage pile line plate, the other end is free end, the free end for being connect with electrical test test equipment, Insulating layer is provided with outside the outer and described reference test bar of the high-voltage pile line plate and the high-voltage pile line plate junction;
The insulating sheath is arranged with outside the free end of the reference test bar.
2. transformer high-voltage pile crown according to claim 1 tests electrode, which is characterized in that the reference test bar is far from described One end of free end is provided with external screw thread, and screw hole is offered on the high-voltage pile line plate, and the reference test bar wears the screw hole It is threadedly coupled with the high-voltage pile line plate;
The port of the insulating sheath is provided with the internal screw thread to match with the external screw thread.
3. transformer high-voltage pile crown according to claim 1 tests electrode, which is characterized in that it further include the first fixing piece, Screw hole is offered on first fixing piece;
The high-voltage pile line plate is connected with drainage plate, and the drainage plate offers mounting hole, and the reference test bar successively wears institute The screw hole and the mounting hole of high-voltage pile line plate are stated, and is threadedly coupled with first fixing piece, so that the high-voltage pile Line plate is fitted closely with the drainage plate.
4. transformer high-voltage pile crown according to claim 3 tests electrode, which is characterized in that it further include insulation tube, it is described Insulative pipe sleeve is set to outside the reference test bar, and one end of the insulation tube is threadedly coupled with the reference test bar, and with described first Fixing piece abuts;
On the insulation tube far from first fixing piece one end be equipped with external screw thread, the insulating sheath be provided with it is described absolutely The internal screw thread that the external screw thread of edge pipe matches.
5. transformer high-voltage pile crown according to claim 3 tests electrode, which is characterized in that the reference test bar is far from described One end of free end is provided with the second fixing piece, and second fixing piece is connect with the reference test bar.
6. transformer high-voltage pile crown according to claim 5 tests electrode, which is characterized in that first fixing piece, institute It states the side on the second fixing piece close to the transformer high-voltage pile crown line plate and is respectively arranged with conductive layer.
7. transformer high-voltage pile crown according to claim 6 tests electrode, which is characterized in that the conductive layer is to be set to Conductive paste on first fixing piece and second fixing piece.
8. a kind of transformer, which is characterized in that including transformer body, transformer high-voltage bushing, transformer high-voltage pile crown line plate Test electrodes with the described in any item transformer high-voltage pile crowns of such as claim 1-7, one end of the transformer high-voltage bushing with The transformer body connection, the other end are connect with the transformer high-voltage pile crown line plate, and the reference test bar is far from the freedom The one end at end is connect with the transformer high-voltage pile crown line plate.
CN201821202568.1U 2018-07-26 2018-07-26 Transformer high-voltage pile crown tests electrode and transformer Withdrawn - After Issue CN208476977U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821202568.1U CN208476977U (en) 2018-07-26 2018-07-26 Transformer high-voltage pile crown tests electrode and transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821202568.1U CN208476977U (en) 2018-07-26 2018-07-26 Transformer high-voltage pile crown tests electrode and transformer

Publications (1)

Publication Number Publication Date
CN208476977U true CN208476977U (en) 2019-02-05

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Application Number Title Priority Date Filing Date
CN201821202568.1U Withdrawn - After Issue CN208476977U (en) 2018-07-26 2018-07-26 Transformer high-voltage pile crown tests electrode and transformer

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109030885A (en) * 2018-07-26 2018-12-18 国网青海省电力公司海东供电公司 Transformer high-voltage pile crown tests electrode and transformer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109030885A (en) * 2018-07-26 2018-12-18 国网青海省电力公司海东供电公司 Transformer high-voltage pile crown tests electrode and transformer
CN109030885B (en) * 2018-07-26 2024-05-03 国网青海省电力公司海东供电公司 Transformer high-voltage pile head test electrode and transformer

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