CN107393704A - The indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV - Google Patents
The indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV Download PDFInfo
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- CN107393704A CN107393704A CN201710551638.8A CN201710551638A CN107393704A CN 107393704 A CN107393704 A CN 107393704A CN 201710551638 A CN201710551638 A CN 201710551638A CN 107393704 A CN107393704 A CN 107393704A
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- ring
- grading ring
- type hollow
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
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- Power Engineering (AREA)
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Abstract
The present invention relates to the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of one kind ± 1100kV, including reactor body（3）, lightning rod（14）And support system（10）, the reactor body（3）And support system（10）On be disposed with seven circle segmented grading rings altogether；The lightning rod（14）On be disposed with multilayer circular ring type grading ring.Present invention employs multi-turn segmented grading ring and the configuration structure of multiple circular ring type grading rings, configuration is reasonable, and simulation calculation and verification experimental verification are passed through, Electric Field Distribution uniformity can be realized to greatest extent, the surface field intensity of effective indoor arrangement dry-type hollow smoothing reactors of reduction ± 1100kV, effective suppression ± 1100kV is indoor to arrange dry-type hollow smoothing reactor end and the on high-tension side corona of support insulator and galvanic corrosion damage, the tip for solving the problems, such as the indoor arrangement dry-type hollow smoothing reactor metal end-rack of ± 1100kV after system voltage increase produces corona discharge, and then solve the environmental problems such as audible noise and radio interference.
Description
Technical field
The present invention relates to tranformer protection equipment technical field, in particular to the indoor arrangement dry types of one kind ± 1100kV
Hollow smoothing reactor pressure-equalizing device.
Background technology
The Large Copacities such as development extra-high voltage, high efficiency, remote advanced technology of transmission of electricity are that national " 13 " planning outline carries
What is gone out is distinctly claimed.Development extra-high voltage is the most important thing of " 13 " power network development, and DC transmission engineering is its important composition
Part, meanwhile, " 13 " are the key periods of HVDC Transmission Technology innovation and development, are built to push forward DC engineering comprehensively on again
New step, further lifts the technical merit of direct current transportation, and Guo Wang companies will pass through ± 1100kV, multiterminal element and common-tower double-return
The technological innovations such as extra-high voltage direct-current, the advance, adaptability and economy of DC engineering are improved, it is defeated in world's direct current to consolidate China
The leading superiority of electrical domain.
Xinjiang Uygur Autonomous Regions possesses abundant coal, wind energy and solar energy resources, greatly develops power industry, realizes
The energy is sent out, and the resources advantage in Xinjiang is converted into economic advantages, is that Implementation of Western Development strategy is goed deep into by country, is cultivated new
Point of economic increase, expand the strategic choice of China's economic development capability, it helps strengthen the unity of the nationalities, safeguard national reunification,
Ensure stability in border areas.And domestic and foreign countries did not occur this voltage class, did not had ± 1100kV smoothing reactors more
Develop, therefore implementation ± 1100kV boundary electricity sends grinding for the smoothing reactor in direct current transportation demonstration project outside during " 13 "
Work processed is of great immediate significance.The entirely autonomous research and development of extra-high voltage smoothing reactor, to realize that key equipment domesticizes, carry
High Chinese manufacturing is horizontal, and consummate manufacturing industry talent of culture technique etc. makes certain effort.
Such as Publication No. CN106158251A patent of invention, it discloses a kind of dry-type air-core reactor with pressing
Ring, including the grading ring body being made of stainless steel, the grading ring body surface are coated with one layer of anti-corrosion enamelled coating, the corrosion resistant coating
Layer is outer to scribble one layer of waterproof layer.Because the dry-type air-core reactor grading ring that the present invention makes is that stainless steel makes, meeting
While lightning impulse resistant electric property, the intensity of grading ring is added, is unlikely to deform, after tested, the reactance that the present invention makes
The rigidity of device grading ring is original 3 times.It ensure that safety during for super-pressure and extra-high voltage grid.The grading ring is annulus
Shape, corona generating can be caused when applying in dry-type hollow smoothing reactor and noise is larger.
The content of the invention
It is an object of the invention to provide the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of one kind ± 1100kV, solve
Electric field is uneven in the prior art, produces the technical problem damaged compared with high corona, galvanic corrosion.
In order to realize above-mentioned purpose of design, the scheme that the present invention uses is as follows：
According to the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of one kind ± 1100kV of the present invention, including reactor device
Body, lightning rod and the support system for being supported on reactor body bottom, the upper end of the reactor body are configured with two circles first
Segmented grading ring and the second segmented grading ring；The lower end of reactor body is configured with two circle Triesection grading rings.This
Invention employs the configuration structure of multi-turn segmented grading ring and multiple circular ring type grading rings, passes through the right indoor arrangements of ± 1100kV
The Electric Field Distribution of dry-type hollow smoothing reactor carries out simulation calculation and actual measurement, it was demonstrated that the indoor cloth of one kind ± 1100kV of the invention
Dry-type hollow smoothing reactor pressure-equalizing device is put, configuration is reasonable, can realize Electric Field Distribution uniformity to greatest extent, effectively drop
The surface field intensity of the low indoor arrangement dry-type hollow smoothing reactors of ± 1100kV, effective indoor arrangements of suppression ± 1100kV are dry
Formula hollow smoothing reactor end and the on high-tension side corona of support insulator and galvanic corrosion damage, solve system voltage increase after ±
The tip of the indoor arrangement dry-type hollow smoothing reactor metal end-rack of 1100kV produces corona discharge problem, and then solves audible
The environmental problem such as noise and radio interference.
Preferably, the lightning rod is in parallel with reactor body.
In any of the above-described scheme preferably, the circular ring type grading ring of multilayer the 3rd is configured with the lightning rod.
In any of the above-described scheme preferably, the lower end of the arrester is configured with a second circular ring type grading ring.
In any of the above-described scheme preferably, the arrester is matched somebody with somebody by a platform, the prolonged plateau part lower end
It is equipped with a first circular ring type grading ring.
In any of the above-described scheme preferably, the support system is provided with first segment support insulator and the second section branch
Post insulator.
In any of the above-described scheme preferably, the first segment support insulator is configured with the 4th point of two circles from top to bottom
Segmentation grading ring and two valve semicircle ring type grading rings.
In any of the above-described scheme preferably, match somebody with somebody between the second section support insulator and first segment support insulator
It is equipped with the segmented grading ring of a circle the 5th.
In any of the above-described scheme preferably, the first segmented grading ring and the second segmented grading ring are by circle
Shape integral loop is divided into the split ring of some sections of arcs, and the upper end of reactor body is connected to using support.
In any of the above-described scheme preferably, the Triesection grading ring is that circular integral loop is divided into some sections
The split ring of arc, the lower end of reactor body is connected to using support.
In any of the above-described scheme preferably, the 4th segmented grading ring is that circular integral loop is divided into some sections
The split ring of arc, the top of first segment support insulator is connected to using support.
In any of the above-described scheme preferably, the 5th segmented grading ring is that circular integral loop is divided into some sections
The split ring of arc, it is connected to using support between the second section support insulator and first segment support insulator.
In any of the above-described scheme preferably, the first segmented grading ring, the second segmented grading ring, the 3rd point
Segmentation grading ring, the 4th segmented grading ring and the 5th segmented grading ring are divided into 6-12 sections.
In any of the above-described scheme preferably, the second circular ring type grading ring is circular overall ring structure.
In any of the above-described scheme preferably, the first circular ring type grading ring is circular overall ring structure.
In any of the above-described scheme preferably, the semicircle ring type grading ring is that circular integral loop is divided into some sections of arcs
Shape split ring, the top of first segment support insulator is connected to support.
In any of the above-described scheme preferably, the semicircle ring type grading ring is divided into 2-4 sections.
In any of the above-described scheme preferably, the first segmented grading ring, the second segmented grading ring, the 3rd point
Segmentation grading ring, the 4th segmented grading ring, the 5th segmented grading ring, the first circular ring type grading ring, the second circular ring type are pressed
Ring and semicircle ring type grading ring are made of metal material.
In any of the above-described scheme preferably, the first segmented grading ring, the second segmented grading ring, the 3rd point
Segmentation grading ring, the 4th segmented grading ring, the 5th segmented grading ring, the first circular ring type grading ring, the second circular ring type are pressed
The connection of ring and semicircle ring type grading ring and support is connected by screw bolts.
In any of the above-described scheme preferably, the bolt selects stainless steel.
In any of the above-described scheme preferably, the bolt selects 316 stainless steels.
In any of the above-described scheme preferably, the first segmented grading ring, the second segmented grading ring, the 3rd point
Segmentation grading ring, the 4th segmented grading ring, the 5th segmented grading ring, the first circular ring type grading ring, the second circular ring type are pressed
The connection of ring and semicircle ring type grading ring and support is connected by the way of welding.
In any of the above-described scheme preferably, welding wire used in the welding procedure is aluminum welding wire.
In any of the above-described scheme preferably, the caliber of the first segmented grading ring is not less than 350mm.
In any of the above-described scheme preferably, the second segmented grading ring, Triesection grading ring, the 4th point
The caliber of segmentation grading ring, the first circular ring type grading ring and the second circular ring type grading ring is not less than 300mm.
In any of the above-described scheme preferably, the caliber of the semicircle ring type grading ring is not less than 60mm.
In any of the above-described scheme preferably, the caliber of the 5th segmented grading ring is not less than 200mm.
In any of the above-described scheme preferably, the current potential minimum point of the 4th segmented grading ring insulate to orlop
Sub- lower flange zero potential clearance is not less than 13m.
In any of the above-described scheme preferably, the installation pitch diameter of the first segmented grading ring is less than the second segmented
Grading ring.
In any of the above-described scheme preferably, the installation of the second segmented grading ring and Triesection grading ring
Pitch diameter is identical.
Brief description of the drawings
Fig. 1 be according to the present invention the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV it is one preferred real
Apply the structural representation of example.
Fig. 2 is according to shown in Fig. 1 of the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV of the present invention
Enlarged drawing in embodiment at A.
Fig. 3 is according to shown in Fig. 1 of the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV of the present invention
Enlarged drawing in embodiment at B.
Fig. 4 is according to shown in Fig. 1 of the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV of the present invention
Enlarged drawing in embodiment at C.
Fig. 5 is according to shown in Fig. 1 of the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV of the present invention
Enlarged drawing in embodiment at D.
Fig. 6 is according to shown in Fig. 1 of the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV of the present invention
Enlarged drawing in embodiment at E.
Embodiment
In order to more fully understand the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV according to the present invention,
Describe below in conjunction with the accompanying drawings according to the specific of the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV of the invention
Embodiment.
With reference to shown in figure 1- Fig. 6, it is pressed according to the indoor arrangement dry-type hollow smoothing reactors of ± 1100kV of the present invention
The structural representation put.
The indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV of the present invention, including reactor body 3, keep away
Thunder pin 14 and the support system 10 for being supported on the bottom of reactor body 3, the upper end of the reactor body 3 is configured with two circles first
The segmented grading ring 2 of segmented grading ring 1 and second；The lower end of reactor body 3 is configured with two circle Triesection grading rings
4；Seven circle segmented grading rings are disposed with reactor body 3 and support system 10 altogether.Present invention employs multi-turn segmented is equal
The configuration structure of pressure ring and multiple circular ring type grading rings, pass through the electricity of the indoor arrangement dry-type hollow smoothing reactors of right ± 1100kV
Field distribution carries out simulation calculation and actual measurement, it was demonstrated that the indoor arrangement dry-type hollow smoothing reactor of one kind ± 1100kV of the invention is equal
Pressure device, configuration is reasonable, can realize Electric Field Distribution uniformity, effective indoor arrangement dry types of reduction ± 1100kV to greatest extent
The surface field intensity of hollow smoothing reactor, the indoor arrangement dry-type hollow smoothing reactor end of effective suppression ± 1100kV and
The on high-tension side corona of support insulator and galvanic corrosion damage, solve the indoor arrangement dry-type hollows of ± 1100kV after system voltage increase
The tip of smoothing reactor metal end-rack produces corona discharge problem, and then solves the environment such as audible noise and radio interference
Problem.
In the present embodiment, the lightning rod 14 is in parallel with reactor body 3.
In the present embodiment, the circular ring type grading ring 13 of multilayer the 3rd is configured with the lightning rod 14.
In the present embodiment, the lower end of the arrester 14 is configured with a second circular ring type grading ring 12.
In the present embodiment, for the arrester 14 by a platform, the prolonged plateau part lower end is configured with one
One circular ring type grading ring 11.
In the present embodiment, the support system 10 is provided with first segment support insulator 7 and second and saves support insulator
9。
In the present embodiment, the first segment support insulator 7 is configured with the segmented grading ring 5 of two circle the 4th from top to bottom
With two valve semicircle ring type grading rings 6.
As shown in fig. 6, Fig. 1 of the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV according to the present invention
Enlarged drawing in illustrated embodiment at E.
In the present embodiment, it is configured with a circle the between the second section support insulator 9 and first segment support insulator 7
Five segmented grading rings 8, each grading ring segmental arc are connected to the second section support insulator 9 and first segment support insulator with support
Between 7 the top equipotential of support insulator 9 is saved with the bottom of first segment support insulator 7 and second.
In the present embodiment, the first segmented grading ring 1 and the second segmented grading ring 2 are by circular integral loop point
Into the split ring of some sections of arcs, the upper end of reactor body 3 is connected to using support.
In the present embodiment, the Triesection grading ring 4 is the opening that circular integral loop is divided into some sections of arcs
Ring, the lower end of reactor body 3 is connected to using support.
In the present embodiment, the 4th segmented grading ring 5 is the opening that circular integral loop is divided into some sections of arcs
Ring, the top of first segment support insulator 7 is connected to using support.
In the present embodiment, the 5th segmented grading ring 8 is the opening that circular integral loop is divided into some sections of arcs
Ring, it is connected to using support between the second section support insulator 9 and first segment support insulator 7.
In the present embodiment, the first segmented grading ring 1, the second segmented grading ring 2, Triesection grading ring
4th, the 4th segmented grading ring 5 and the 5th segmented grading ring 8 are divided into 6-12 sections.
In the present embodiment, the upper end of the reactor body 3 is configured with two the first segmented of circle grading rings 1 and second point
Segmentation grading ring 2, wherein a circle segmented grading ring 1 is placed in above the upper end of reactor body 3, another circle segmented grading ring
2 are placed in below the upper end of reactor body 3, form the indoor arrangement upper end electric fields of reactor body 3 of energy shielding ± 1100kV
Upper lower uniform pressure ring；And each grading ring segmental arc is connected to the upper end of reactor body 3 and the equipotential of reactor body 3 with support.
In the present embodiment, the bottom of the reactor body 3 is configured with the segmented grading ring 4 of two circle the 5th, wherein one
Enclose the 5th segmented grading ring 4 to be placed in above the bottom of reactor body 3, another circle segmented grading ring 4 is placed in reactor device
Below the bottom of body 3, being formed can the indoor upper lower uniform pressure ring for arranging the bottom electric field of reactor body 3 of shielding ± 1100kV；And
Each grading ring segmental arc is connected to the upper end of reactor body 3 and the equipotential of reactor body 3 with support.
In the present embodiment, the arrester 14 in parallel with reactor body 3, except the annulus of multilayer the 3rd of itself configuration
Formula grading ring 13, a second circular ring type grading ring 12 is also configured with the lower end of arrester 14, and grading ring segmental arc is connected with support
It is connected to the bottom of arrester 14 and the equipotential of arrester 14.
In the present embodiment, the prolonged plateau part lower end of support arrester 14 is configured with a first circular ring type grading ring 11,
And grading ring segmental arc is connected to prolonged plateau part bottom and prolonged plateau part equipotential with support.
In the present embodiment, seen with order from up to down, on the top of first segment support insulator 7, except itself configuration
Two valve semicircle ring type grading rings 6, the segmented grading ring 5 of two circle the 4th is also configured with, and each grading ring segmental arc is connected with support
To the top of first segment support insulator 7 and the top equipotential of first segment support insulator 7.
In the present embodiment, seen with order from up to down, in the second section support insulator 9 and first segment support insulator 7
Between be configured with the segmented grading ring 8 of a circle the 5th, and each grading ring segmental arc is connected to the second section support insulator 9 with support
Between first segment support insulator 7 the top equipotential of support insulator 9 is saved with the bottom of first segment support insulator 7 and second.
In the present embodiment, the second circular ring type grading ring 12 is circular overall ring structure.
In the present embodiment, the first circular ring type grading ring 11 is circular overall ring structure.
In the present embodiment, the semicircle ring type grading ring 6 is that circular integral loop is divided into some sections of arc opening rings, is used
Support is connected to the top of first segment support insulator 7.
In the present embodiment, the semicircle ring type grading ring 6 is divided into 2-4 sections.
In the present embodiment, the first segmented grading ring 1, the second segmented grading ring 2, Triesection grading ring
4th, the 4th segmented grading ring 5, the 5th segmented grading ring 8, the first circular ring type grading ring 11, the and of the second circular ring type grading ring 12
Semicircle ring type grading ring 6 is made of metal material.
In the present embodiment, the first segmented grading ring 1, the second segmented grading ring 2, Triesection grading ring
4th, the 4th segmented grading ring 5, the 5th segmented grading ring 8, the first circular ring type grading ring 11, the and of the second circular ring type grading ring 12
The connection of semicircle ring type grading ring 6 and support is connected by screw bolts.
In the present embodiment, the bolt selects stainless steel.
In the present embodiment, the bolt selects 316 stainless steels.
In the present embodiment, the first segmented grading ring 1, the second segmented grading ring 2, Triesection grading ring
4th, the 4th segmented grading ring 5, the 5th segmented grading ring 8, the first circular ring type grading ring 11, the and of the second circular ring type grading ring 12
The connection of semicircle ring type grading ring 6 and support is connected by the way of welding.
In the present embodiment, welding wire used in the welding procedure is aluminum welding wire.
In the present embodiment, the caliber of the first segmented grading ring 1 is not less than 350mm.
In the present embodiment, the second segmented grading ring 2, Triesection grading ring 4, the 4th segmented grading ring
5th, the caliber of the first circular ring type grading ring 11 and the second circular ring type grading ring 12 is not less than 300mm.
In the present embodiment, the caliber of the semicircle ring type grading ring 6 is not less than 60mm.
In the present embodiment, the caliber of the 5th segmented grading ring 8 is not less than 200mm.
In the present embodiment, the current potential minimum point of the 4th segmented grading ring 5 is to orlop insulator lower flange zero
Current potential clearance is not less than 13m.
In the present embodiment, the installation pitch diameter of the first segmented grading ring 1 is less than the second segmented grading ring 2.
In the present embodiment, the second segmented grading ring 2 is identical with the installation pitch diameter of Triesection grading ring 4.
It will be apparent to those skilled in the art that the indoor arrangement dry-type hollow smoothing reactors of ± 1100kV of the present invention are pressed
Device includes any combination of each several part in this specification.As space is limited and in order that the simplicity of specification, herein not by this
A little combinations are introduced in detail one by one, but after having seen this specification, what any combination of each several part being made up of this specification was formed
Therefore the scope of the present invention is it is to be understood that be not added with repeating.
Claims (10)
1. the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of one kind ± 1100kV, including reactor body（3）, lightning rod
（14）Be supported on reactor body（3）The support system of bottom（10）, it is characterised in that：Reactor body（3）Upper end match somebody with somebody
It is equipped with two circle the first segmented grading rings（1）With the second segmented grading ring（2）；Reactor body（3）Lower end be configured with two
Enclose Triesection grading ring（4）.
2. the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV as claimed in claim 1, it is characterised in that：
Lightning rod（14）With reactor body（3）It is in parallel.
3. the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV as claimed in claim 1, it is characterised in that：
Lightning rod（14）On be configured with the circular ring type grading ring of multilayer the 3rd（13）.
4. the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV as claimed in claim 1, it is characterised in that：
Arrester（14）Lower end be configured with a second circular ring type grading ring（12）.
5. the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV as claimed in claim 1, it is characterised in that：
Arrester（14）By a platform, the prolonged plateau part lower end is configured with a first circular ring type grading ring（11）.
6. the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV as claimed in claim 1, it is characterised in that：
Support system（10）It is provided with first segment support insulator（7）With the second section support insulator（9）.
7. the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV as claimed in claim 6, it is characterised in that：
First segment support insulator（7）The segmented grading ring of two circle the 4th is configured with from top to bottom（5）With two valve semicircle ring type grading rings
（6）.
8. the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV as claimed in claim 6, it is characterised in that：
Second section support insulator（9）With first segment support insulator（7）Between be configured with the segmented grading ring of a circle the 5th（8）.
9. the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV as claimed in claim 1, it is characterised in that：
First segmented grading ring（1）With the second segmented grading ring（2）For circular integral loop to be divided into the split ring of some sections of arcs,
Reactor body is connected to using support（3）Upper end.
10. the indoor arrangement dry-type hollow smoothing reactor pressure-equalizing devices of ± 1100kV as claimed in claim 1, its feature exist
In：Triesection grading ring（4）For circular integral loop to be divided into the split ring of some sections of arcs, reactance is connected to using support
Device device body（3）Lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710551638.8A CN107393704B (en) | 2017-07-07 | 2017-07-07 | The indoor arrangement dry-type hollow smoothing reactor pressure-equalizing device of ± 1100kV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710551638.8A CN107393704B (en) | 2017-07-07 | 2017-07-07 | The indoor arrangement dry-type hollow smoothing reactor pressure-equalizing device of ± 1100kV |
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| Publication Number | Publication Date |
|---|---|
| CN107393704A true CN107393704A (en) | 2017-11-24 |
| CN107393704B CN107393704B (en) | 2019-06-25 |
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| CN201710551638.8A Active CN107393704B (en) | 2017-07-07 | 2017-07-07 | The indoor arrangement dry-type hollow smoothing reactor pressure-equalizing device of ± 1100kV |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108648886A (en) * | 2018-07-27 | 2018-10-12 | 扬州市美华电气有限公司 | Split type grading ring and its installation method |
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| CN203690032U (en) * | 2013-12-13 | 2014-07-02 | 中国西电电气股份有限公司 | EHV (extra-high voltage) suspension type DC (direct current) arrester |
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| JPH05282947A (en) * | 1992-03-31 | 1993-10-29 | Ngk Insulators Ltd | Suspension type lightning protective insulator |
| CN1512520A (en) * | 2002-12-27 | 2004-07-14 | 东莞市高能实业有限公司 | Capacity uniform voltage type stick shape suspending composite insulator |
| CN101325125A (en) * | 2008-04-15 | 2008-12-17 | 南方电网技术研究中心 | Pressure-equalizing device for extra-high voltage dry type smoothing reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108648886A (en) * | 2018-07-27 | 2018-10-12 | 扬州市美华电气有限公司 | Split type grading ring and its installation method |
| CN108648886B (en) * | 2018-07-27 | 2023-12-01 | 扬州市美华电气有限公司 | Split equalizing ring and installation method thereof |
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| Publication number | Publication date |
|---|---|
| CN107393704B (en) | 2019-06-25 |
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