CN107436398A - Insulated bolt partial discharge performance experimental rig - Google Patents
Insulated bolt partial discharge performance experimental rig Download PDFInfo
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- CN107436398A CN107436398A CN201710453781.3A CN201710453781A CN107436398A CN 107436398 A CN107436398 A CN 107436398A CN 201710453781 A CN201710453781 A CN 201710453781A CN 107436398 A CN107436398 A CN 107436398A
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- Prior art keywords
- insulated bolt
- partial discharge
- discharge performance
- tub assembly
- tested
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing 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
- G01R31/1227—Testing 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing 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
- G01R31/16—Construction of testing vessels; Electrodes therefor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention provides a kind of insulated bolt partial discharge performance experimental rig.The device includes：Support component, bottom opening and top are provided with measurement tub assembly, electrode assemblie and the test specimen component of the first capping；Wherein, measurement tub assembly is connected with support component, and for housing electrode assemblie and test specimen component, test specimen component and electrode assemblie are juxtaposed on the top and bottom in measurement tub assembly；Test specimen component is connected with measuring the side wall of tub assembly, for placing insulated bolt to be tested；Electrode assemblie is connected with measuring the side wall of tub assembly, for wearing insulated bolt to be tested and carrying out partial discharge performance experiment to insulated bolt to be tested.In the present invention, by the way that one end of insulated bolt to be tested is fixed on test specimen component, the other end is arranged in electrode assemblie, voltage is applied to electrode assemblie by outer partial discharge equipment, so as to carry out partial discharge performance test to insulated bolt to be tested, the insulation stability of converter power transformer insulated bolt ensure that.
Description
Technical field
The present invention relates to high pressure and insulation technology field, is tried in particular to a kind of insulated bolt partial discharge performance
Experiment device.
Background technology
Converter power transformer is vital key equipment in super high voltage direct current electricity transmission engineering, is AC and DC transmission system
In the change of current, the nucleus equipment of the end interface of inversion two.Its input and safe operation be engineering obtain power benefit key and
Important guarantee.In converter power transformer, for fixing internal lead or other insulating elements, it is necessary to use a large amount of insulated bolts,
Because insulated bolt is usually under high electric field effect, shelf depreciation easily occurs, so as to trigger transformer fault.
Current technology means can examine the partial discharge performance of the regular shape insulating part such as insulating board, but can not examine
Partial discharge performance of the core insulated bolt under high field intensity inside converter power transformer.
The content of the invention
In consideration of it, the present invention proposes a kind of insulated bolt partial discharge performance experimental rig, it is intended to solves existing insulation
The problem of experiment of bolt partial discharge performance is difficult to.
On one side, the present invention proposes a kind of insulated bolt partial discharge performance experimental rig, it is characterised in that bag
Include：Support component, bottom opening and top are provided with measurement tub assembly, electrode assemblie and the test specimen component of the first capping；Wherein, institute
State measurement tub assembly with the support component to be connected, for housing the electrode assemblie and the test specimen component, the test specimen
Component and the electrode assemblie are juxtaposed on the top and bottom in the measurement tub assembly；The test specimen component and the survey
The side wall of measuring tank component is connected, for placing the insulated bolt to be tested；The electrode assemblie and the measurement tub assembly
Side wall be connected, for wearing the insulated bolt to be tested and carrying out partial discharge performance to the insulated bolt to be tested
Experiment.
Further, in above-mentioned insulated bolt partial discharge performance experimental rig, the test specimen component includes:Fixed plate and
Engaging lug；Wherein, connector is provided with the fixed plate, it is to be tested for placing that at least two are offered on the connector
The screwed hole of insulated bolt；One end of the engaging lug at the top of the fixed plate with being connected, the other end and first envelope
The bottom of lid is connected.
Further, in above-mentioned insulated bolt partial discharge performance experimental rig, the test specimen component also includes:It is oriented to
Post；Wherein, the lead is connected with the edge of the fixed plate, and the fixed plate passes through the lead and the measurement
The side wall of tub assembly is connected.
Further, in above-mentioned insulated bolt partial discharge performance experimental rig, the electrode assemblie includes：High-field electrode
With two ground electrodes of the both sides above and below the high-field electrode；Wherein, the first groove is offered on the high-field electrode, two
The ground electrode offers second groove corresponding with first groove, and first groove and second groove with
The connector is correspondingly arranged, for wearing the insulated bolt to be tested；The high-field electrode and two ground electrodes
Lead is extended respectively to outside the side wall of the measurement tub assembly, for being connected with outer partial discharge equipment.
Further, in above-mentioned insulated bolt partial discharge performance experimental rig, first groove and described second leads to
Groove equal at least two, also, each first groove and each second groove are correspondingly arranged；The connector is at least two
Individual, each first groove, each second groove are corresponded with each connector and set.
Further, in above-mentioned insulated bolt partial discharge performance experimental rig, in addition to：Pulley assembly；Wherein, it is described
One end of pulley assembly is placed in the first capping of the measurement tub assembly, for drawing the insulated bolt to be tested described in
Measure the axial movement of tub assembly.
Further, in above-mentioned insulated bolt partial discharge performance experimental rig, the pulley assembly includes：First slides
Wheel, second pulley and hauling rope；Wherein, the first pulley with described first capping be connected, the second pulley with it is described
Support component is connected；The hauling rope is set around the second pulley and the first pulley successively, and passes through described first
Capping is connected with the engaging lug, for drawing axial movement of the insulated bolt to be tested along the measurement tub assembly.
Further, in above-mentioned insulated bolt partial discharge performance experimental rig, the pulley assembly also includes：Drying box
With the second capping；Wherein, the drying box is placed in below the first pulley, and the hauling rope is arranged in the drying box；Institute
State the second capping with the drying box to be connected, for sealing the drying box.
Further, in above-mentioned insulated bolt partial discharge performance experimental rig, the support component includes：Base and cylinder
Body body；Wherein, the bottom of the cylinder body is connected with the base, the top of the cylinder body and the measurement bucket
The bottom of component is connected；The cylinder body exterior is provided with least two root posts, and each column is along the cylinder body
Circumferencial direction distribution.
Further, in above-mentioned insulated bolt partial discharge performance experimental rig, the material of the measurement tub assembly is Asia
Gram force sheet material.
In the present invention, by the way that one end of insulated bolt to be tested is fixed on test specimen component, the other end is arranged in electrode
Component, voltage is applied to electrode assemblie by outer partial discharge equipment, so as to carry out shelf depreciation to insulated bolt to be tested
Performance test, it ensure that the insulation stability of converter power transformer insulated bolt.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is the structural representation of insulated bolt partial discharge performance experimental rig provided in an embodiment of the present invention；
Fig. 2 is the another structure chart of insulated bolt partial discharge performance experimental rig provided in an embodiment of the present invention；
Fig. 3 is the section plan of insulated bolt partial discharge performance experimental rig provided in an embodiment of the present invention；
Fig. 4 is the main view of test specimen component in insulated bolt partial discharge performance experimental rig provided in an embodiment of the present invention
Figure；
Fig. 5 is the side view of test specimen component in insulated bolt partial discharge performance experimental rig provided in an embodiment of the present invention
Figure；
Fig. 6 is that test specimen component is looked up in insulated bolt partial discharge performance experimental rig provided in an embodiment of the present invention
Figure；
Fig. 7 is the structure of electrode assemblie in insulated bolt partial discharge performance experimental rig provided in an embodiment of the present invention
Figure；
Fig. 8 is the main view of insulated bolt partial discharge performance experimental rig middle pulley component provided in an embodiment of the present invention
Figure；
Fig. 9 is the vertical view of insulated bolt partial discharge performance experimental rig middle pulley component provided in an embodiment of the present invention
Figure.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.It should be noted that in the case where not conflicting, embodiment in the present invention and
Feature in embodiment can be mutually combined.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Referring to Fig. 1-Fig. 3, insulated bolt partial discharge performance experimental rig provided in an embodiment of the present invention is shown in figure
Preferred structure.As illustrated, the device includes：Support component 1, bottom opening and top are provided with the measurement bucket of the first capping 21
Component 2, electrode assemblie 3 and test specimen component 4.
Wherein, measurement tub assembly 2 is connected with support component 1, for housing electrode assemblie 3 and test specimen component 4.
Specifically, support component 1 can include：Base 11 and cylinder body 12.Base 11 can be by bottom plate and support column
Composition, the bottom of cylinder body 12 is connected with base 11, such as the structure that can be welded as a whole.Measure the first of tub assembly 2
Capping 21 can be detachably connected with measurement tub assembly 2, such as bolt connection, measure the bottom opening of tub assembly 2, cylinder body
12 top is connected with measuring the bottom of tub assembly 2, and the material of measurement tub assembly 2 can be acryl plates.
Test specimen component 4 and electrode assemblie 3 are juxtaposed on the top and bottom in measurement tub assembly 2, and test specimen component 4 is with surveying
The side wall of measuring tank component 2 is connected, for placing insulated bolt 6 to be tested；Electrode assemblie 3 and the side wall phase for measuring tub assembly 2
Connection, for wearing insulated bolt 6 to be tested and carrying out partial discharge performance experiment to insulated bolt 6 to be tested.
Specifically, test specimen component 4 and electrode assemblie 3 can be relatively arranged on the top and bottom in measurement tub assembly 2, treat
One end of experiment insulated bolt 6 can be fixed on test specimen component 4, and the other end of insulated bolt 6 to be tested can be arranged in electrode
Component 3, electrode assemblie 3 can be three-electrode structure, and electrode assemblie 3 can be with the shelf depreciation equipment outside measurement tub assembly 2
It is connected, to apply voltage to insulated bolt 6 to be tested and obtain the result of partial discharge performance experiment.
In the present embodiment, by the way that one end of insulated bolt to be tested is fixed on test specimen component 4, the other end is arranged in electricity
Pole component 3, voltage is applied to electrode assemblie 3 by outer partial discharge equipment, so as to carry out part to insulated bolt 6 to be tested
Discharge performance is tested, and ensure that the insulation stability of converter power transformer insulated bolt, solves and be difficult in the prior art to not
The insulated bolt of regular shape carries out the problem of partial discharge performance experiment.
Referring to Fig. 4 to Fig. 6, in above-described embodiment, test specimen component 4 can include:Fixed plate 41 and engaging lug 43.
Wherein, connector 411 is provided with fixed plate 41.Specifically, fixed plate 41 can be circular slab, connector 411
Can be strip connecting plate, strip connecting plate can be to be detachably connected with fixed plate 41, such as be connected by screw, and
And at least two connecting holes for being used to place insulated bolt 6 to be tested can be offered on strip connecting plate, such as screwed hole,
When it is implemented, each connecting hole can be with spaced set.
One end of engaging lug 43 is connected with the top of fixed plate 41, and the other end is connected with the bottom of the first capping 21.
Specifically, the connecting hole being detachably connected with the bottom of the first capping 21 can be offered on engaging lug 43.
As can be seen that test specimen component 4 can place multiple insulated bolts to be tested 6 simultaneously, with to multiple insulation to be tested
Bolt 6 is tested simultaneously, in addition, being connected by engaging lug 43 with the bottom of the first capping 21, is advantageous to fixed plate 41
The insulated bolt to be tested 6 of upper installation is firm to be positioned in measurement tub assembly 2.
With continued reference to Fig. 4 to Fig. 6, in above-described embodiment, test specimen component 4 can also include:Lead 42.Wherein, it is oriented to
Post 42 is connected with the edge of fixed plate 41, and fixed plate 41 is connected by lead 42 with measuring the side wall of tub assembly 2.Specifically
Ground, lead 42 are inserted in fixed plate 41 in the horizontal direction, and the side wall connection of lead 42 and measurement tub assembly 2 can be with
For roll structure, tilted for limiting insulated bolt to be tested to horizontal direction.The precision of lead 42 can be wanted according to experiment
Ask and selected, such as the precision of lead 42 can meet that the perpendicularity ⊥ of insulated bolt 6 to be tested is 0.5mm.It is specific real
Shi Shi, lead 42 can be well known to those skilled in the art any one be used for ensure insulated bolt 6 to be tested hang down
The positioner directly spent, the present embodiment are not limited in any way to it..
As can be seen that by lead 42, the perpendicularity of insulated bolt 6 to be tested is can guarantee that, is advantageous to improve experiment
Precision.
In above-described embodiment, electrode assemblie 3 includes：High-field electrode and above and below high-field electrode both sides two ground electrodes
31.Specifically, high-field electrode and ground ground electrode 31 can be disc-shaped structure.
Wherein, the first groove is offered on high-field electrode, two ground electrodes 31 offer corresponding with the first groove
Two grooves, and the first groove and the second groove are correspondingly arranged with connector 411, for wearing insulated bolt 6 to be tested.Specifically
Ground, the first groove and the second groove are correspondingly arranged with connector 411, can guarantee that insulated bolt 6 to be tested is vertically arranged in motor
In component 3, the shape of the first groove and the second groove can be strip, and the bore of the first groove and the second groove can be according to treating
The diameter of experiment insulated bolt 6 is determined, such as the bore of the first groove and the second groove can be 28mm, can wear most
Major diameter is 26mm insulated bolt.
Preferably, the first groove and the second groove equal at least two, also, each first groove and each second groove are corresponding
Set；Connector 411 at least two, each first groove, each second groove are corresponded with each connector 411 and set.Specifically
Ground, one end of multiple insulated bolts 6 to be tested pass through the connecting hole on each connector 411 and each phase of connector 411 respectively
Connection, the other end are vertically arranged in each first groove and each second groove successively respectively.
The lead of high-field electrode and two ground electrodes 31 extend respectively to measure tub assembly 2 side wall outside, for outside
Shelf depreciation equipment is connected.Specifically, the lead of high-field electrode and two ground electrodes 31 can be respectively with measuring outside tub assembly 2
The testing equipments such as the power supply in portion are connected.
As can be seen that the present embodiment is simple in construction, and it is easily operated, improve shelf depreciation while guarantee test precision
The efficiency of performance test.
Referring to Fig. 7 to Fig. 9, in above-described embodiment, in addition to：Pulley assembly 5.Wherein, one end of pulley assembly 5 is placed in survey
In first capping 21 of measuring tank component 2, for drawing axial movement of the insulated bolt 6 to be tested along measurement tub assembly 2.Specifically
Ground, pulley assembly 5 include：First pulley 51, second pulley 52 and hauling rope 53.Wherein, the capping of first pulley 51 and first 21
It is connected, second pulley 52 is connected with support component 1.Hauling rope 53 is set around second pulley 52 and first pulley 51 successively,
And be connected through the first capping 21 with engaging lug 43, moved for drawing axial direction of the insulated bolt 6 to be tested along measurement tub assembly 2
It is dynamic.Specifically, first pulley 51 can be two, and connecting plate, connecting plate and the first capping 21 can be set in the first capping 21
It is connected by screw, two first pulleys 51 can be placed in the both ends of the connecting plate.Connection can be provided with support component 1
Axle, second pulley 52 are connected by the connecting shaft with support component 1.It can be set on the connecting plate being connected with the first capping 21
Put through hole, after two first pulleys 51 are crossed in the winding of hauling rope 53, through the through hole after be connected with engaging lug 43.Hauling rope 53
One end can be connected with the output shaft of motor, and insulated bolt 6 to be tested is drawn under the driving of motor along measurement tub assembly 2
Axial movement.
As can be seen that pulley assembly 5 can by motor control insulated bolt 6 to be tested in tub assembly 2 is measured on move down
It is dynamic, so as to realize the test of the partial discharge performance to greater depth insulated bolt.
In above-described embodiment, pulley assembly 5 can also include：The capping of drying box 54 and second 55.Wherein,
Drying box 54 is placed in the lower section of first pulley 51, and hauling rope 53 is arranged in drying box 54, the second capping 55 and drying box
54 are connected, for hermetically drying box 54.Specifically, drying box 54 can offer the through hole for wearing hauling rope 53,
Can be filled in drying box 54 can adsorb the adsorbent of moisture in air etc..
As can be seen that the moisture in the air that hauling rope 53 may bring into that can be gone out by drying box 54, is effectively ensured
The precision of experiment.
In above-described embodiment, support component 1 can include：Base 11 and cylinder body 12.Wherein, the bottom of cylinder body 12
Portion is connected with base 11, and the top of cylinder body 12 is connected with measuring the bottom of tub assembly 2.Specifically, the bottom of base 11
Portion can also set more root posts, and cylinder body 12 can connect with welding with the top of base 11.Column, the cylinder of the bottom of base 11
The height of body body 12 can be selected according to actual conditions, and the diameter of cylinder body 12 can be less than measurement tub assembly 2
Diameter, when it is implemented, the height of whole device and diameter can be selected according to test situation, such as whole device
Height can be 2455mm, and maximum gauge can be 600mm.
At least two root posts 13, each column 13 circumferencial direction along cylinder body 12 point are provided with outside cylinder body 12
Cloth.Preferably, circumferencial direction of each column 13 along cylinder body 12 is uniformly distributed.
It can be seen that, on the one hand, support component 1 can preferably support measurement tub assembly 2；On the other hand, end to be tested
After also allow for disassembling insulated bolt 6 to be tested from cylinder body 12, to carry out next round experiment, considerably increasing experiment
The convenience of operation.
In summary, by the way that one end of insulated bolt to be tested is fixed on test specimen component, the other end is arranged in electrode
Component, voltage is applied to electrode assemblie by outer partial discharge equipment, so as to carry out shelf depreciation to insulated bolt to be tested
Performance test, it ensure that the insulation stability of converter power transformer insulated bolt.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
- A kind of 1. insulated bolt partial discharge performance experimental rig, it is characterised in that including：Support component (1), bottom opening and Top is provided with measurement tub assembly (2), electrode assemblie (3) and the test specimen component (4) of the first capping (21)；Wherein,The measurement tub assembly (2) is connected with the support component (1), for housing the electrode assemblie (3) and the examination Part component (4), the test specimen component (4) and the electrode assemblie (3) are juxtaposed on the top in the measurement tub assembly (2) And bottom；The test specimen component (4) is connected with the side wall of the measurement tub assembly (2), for placing the insulated bolt to be tested (6)；The electrode assemblie (3) is connected with the side wall of the measurement tub assembly (2), for wearing the insulated bolt to be tested (6) and to the insulated bolt (6) to be tested partial discharge performance experiment is carried out.
- 2. insulated bolt partial discharge performance experimental rig according to claim 1, it is characterised in that the test specimen component (4) include:Fixed plate (41) and engaging lug (43)；Wherein,Connector (411) is provided with the fixed plate (41), at least two are offered on the connector (411) and is used to place The screwed hole of insulated bolt (6) to be tested；One end of the engaging lug (43) at the top of the fixed plate (41) with being connected, the other end and the described first capping (21) Bottom be connected.
- 3. insulated bolt partial discharge performance experimental rig according to claim 2, it is characterised in that the test specimen component (4) also include:Lead (42)；Wherein,The lead (42) is connected with the edge of the fixed plate (41), and the fixed plate (41) passes through the lead (42) side wall with the measurement tub assembly (2) is connected.
- 4. insulated bolt partial discharge performance experimental rig according to claim 3, it is characterised in that the electrode assemblie (3) include：High-field electrode (32) and two ground electrodes (31) positioned at the high-field electrode (32) both sides up and down；Wherein,The first groove is offered on the high-field electrode (32), two ground electrodes (31) offer and the first groove phase Corresponding second groove, and first groove and second groove are correspondingly arranged with the connector (411), for wearing The insulated bolt to be tested (6)；The lead of the high-field electrode (32) and two ground electrodes (31) extends respectively to the side of the measurement tub assembly (2) Outside wall, for being connected with outer partial discharge equipment.
- 5. insulated bolt partial discharge performance experimental rig according to claim 4, it is characterised in that first groove With second groove equal at least two, also, each first groove and each second groove are correspondingly arranged；The connector (411) at least two, each first groove, each second groove and each connector (411) correspond and set.
- 6. insulated bolt partial discharge performance experimental rig according to claim 5, it is characterised in that also include：Pulley Component (5)；Wherein,One end of the pulley assembly (5) is placed in the first capping (21) of the measurement tub assembly (2), for drawing described treat Test axial movement of the insulated bolt (6) along the measurement tub assembly (2).
- 7. insulated bolt partial discharge performance experimental rig according to claim 6, it is characterised in that the pulley assembly (5) include：First pulley (51), second pulley (52) and hauling rope (53)；Wherein,The first pulley (51) is connected with the described first capping (21), the second pulley (52) and the support component (1) it is connected；The hauling rope (53) is set around the second pulley (52) and the first pulley (51) successively, and passes through described first Capping (21) is connected with the engaging lug (43), for drawing the insulated bolt to be tested (6) along the measurement tub assembly (2) axial movement.
- 8. insulated bolt partial discharge performance experimental rig according to claim 7, it is characterised in that the pulley assembly (5) also include：Drying box (54) and the second capping (55)；Wherein,The drying box (54) is placed in below the first pulley (51), and the hauling rope (53) is arranged in the drying box (54)；Second capping (55) is connected with the drying box (54), for sealing the drying box (54).
- 9. insulated bolt partial discharge performance experimental rig according to any one of claim 1 to 8, it is characterised in that The support component (1) includes：Base (11) and cylinder body (12)；Wherein,The bottom of the cylinder body (12) is connected with the base (11), top and the survey of the cylinder body (12) The bottom of measuring tank component (2) is connected；It is provided with least two root posts (13) outside the cylinder body (12), each column (13) is along the cylinder body (12) circumferencial direction distribution.
- 10. insulated bolt partial discharge performance experimental rig according to any one of claim 1 to 8, it is characterised in that The material of the measurement tub assembly (2) is acryl plates.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453781.3A CN107436398B (en) | 2017-06-15 | 2017-06-15 | Insulating 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 | Insulating bolt partial discharge performance test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107436398A true CN107436398A (en) | 2017-12-05 |
| CN107436398B CN107436398B (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710453781.3A Active CN107436398B (en) | 2017-06-15 | 2017-06-15 | Insulating bolt partial discharge performance test device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107436398B (en) |
| WO (1) | WO2018228182A1 (en) |
Cited By (1)
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| WO2018228182A1 (en) * | 2017-06-15 | 2018-12-20 | 中国电力科学研究院有限公司 | Device for testing partial discharge performance of insulated bolt |
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| CN205844462U (en) * | 2016-07-13 | 2016-12-28 | 西安科技大学 | A kind of solid insulating material surface-discharge assay device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018228182A1 (en) * | 2017-06-15 | 2018-12-20 | 中国电力科学研究院有限公司 | Device for testing partial discharge performance of insulated bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018228182A1 (en) | 2018-12-20 |
| CN107436398B (en) | 2020-06-26 |
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