CN208489104U - Extra-high-voltage alternating current series compensation damping unit dry-type hollow damping reactor - Google Patents
Extra-high-voltage alternating current series compensation damping unit dry-type hollow damping reactor Download PDFInfo
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- CN208489104U CN208489104U CN201721879946.5U CN201721879946U CN208489104U CN 208489104 U CN208489104 U CN 208489104U CN 201721879946 U CN201721879946 U CN 201721879946U CN 208489104 U CN208489104 U CN 208489104U
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Abstract
The utility model provides a kind of 1000kV extra-high-voltage alternating current engineering string and mends damping unit dry-type hollow damping reactor, the reactor include: the single-phase reactor being made up of two completely identical in structure coils parallel way, for reducing reactor surface field strength corona ring, connect with line bus reactor terminal plate, be used to support reactor high bending resistance insulator, for the stainless steel transition seat of reactor bottom and the connection of insulator top.The extra-high voltage series compensation damping unit dry-type hollow damping reactor of the utility model can inhibit 1000kV extra-high-voltage alternating current engineering capacitor set discharge electric current and fault current, mitigate capacitor set discharge to the adverse effect of capacitor group and discharge loop equipment, 1000kV extra-high-voltage alternating current engineering be can satisfy to dielectric level and be installed on the requirement of anti-seismic performance on platform, it is designed by its structure, the utility model structural strength also with higher and the reliability that uses.
Description
Technical field
The utility model relates to high-tension apparatus technical fields, and more specifically, in particular to a kind of extra-high-voltage alternating current string is mended
Engineering damping unit dry-type hollow damping reactor.
Background technique
Transmission voltage is generally divided into high pressure, super-pressure and extra-high voltage, and in China, overwhelming majority power grid is all high-voltage electricity at present
Net.Extra-high voltage grid refers to 1000kV exchange or ± 800kV DC grid, and compared with existing power grid, extra-high voltage grid will be realized more
At a distance, larger capacity, more low-loss power Transmission.
The energy resources distribution in China determine the big thermoelectricity in following China, big Hydropower Base substantially all far from load center,
Over long distances, the feature of large capacity conveying will be protruded more.In the planning of extra-high voltage grid, part power transmission channel conveying capacity by
It is limited to transient stability, causes remote power transmission channel voltage enabling capabilities relative deficiency.
So, how to guarantee that extra-high voltage grid is safe and stable, optimally runs, become extra-high voltage grid development, construction
It has to solve the problems, such as.
Extra-high voltage series compensation damping unit is usually composed in parallel by damping reactor and damped resistor two parts, damps reactance
Device is mainly the amplitude and frequency of limiting capacitance device group discharge current, and damps to discharge process, mitigates capacitor group and puts
Adverse effect of the electricity to capacitor group and discharge loop equipment.
Use for reference 500kV power network development experience, in response to the above problems, using series compensation device be guarantee extra-high voltage grid safety,
Stablize, the effective technology means of optimization operation.
By installing extra-high voltage series compensation device in extra-high voltage grid, the electrical distance of transmission line of alternation current is compensated, it can be with
The conveying capacity for significantly improving power grid greatly enhances system stability, improves working voltage and the voltage's distribiuting along route, realizes
Resource distributing rationally in a wider context.1000kV extra-high voltage series compensation engineering is string benefit technology in world's highest voltage level
Development and Application for the first time, technical problem is more, high in technological content, and performance parameter has no precedent to go by.Also, due to extra-high voltage series compensation voltage
Height, capacity are big, and system operation reliability requires height, and extra-high voltage series compensation electrical equipment is caused to develop difficulty considerably beyond super-pressure string
Mend the development difficulty of equipment.
In conclusion it is reliable, stable how to provide a kind of service performance, and the higher 1000kV of structural strength is extra-high
Pressure exchange series compensation reactor, becomes those skilled in the art's urgent problem to be solved.
Summary of the invention
It is reliable, stable that the purpose of this utility model is to provide a kind of service performances, and the higher spy of structural strength
High-voltage alternating series compensation reactor.
To achieve the goals above, the utility model provides the following technical solutions:
Extra-high-voltage alternating current series compensation damping unit dry-type hollow damping reactor includes reactance coil, the reactance
Coil is provided with two groups, and reactance coil structure described in two groups is identical, and reactance coil described in two groups is arranged in parallel and is formed with extra-high
Pressure string mends damping reactor, the lower end of the extra-high voltage series compensation damping reactor is provided with transition seat, in the transition seat
Lower end is provided with insulator；The reactor winding operates on series compensation platform.
In extra-high-voltage alternating current series compensation damping unit as described above in dry-type hollow damping reactor, it is preferable that
The reactance coil includes coil body, upper boom portion and lower boom, the upper boom portion be set to the lower boom upside,
And it is formed with installation space with the lower boom interval setting, the coil body is connected in installation space；On described
Boom includes upper boom portion support arm, and the upper boom portion support arm is provided with multiple, whole upper boom portion support arms and radially sets
It sets, is reinforced and connected by lacing wire between the upper boom portion support arm of adjacent two.
In extra-high-voltage alternating current series compensation damping unit as described above in dry-type hollow damping reactor, it is preferable that
Between the upper boom portion of reactance coil described in being connected to two groups on the horizontal terminal plate, there are two the horizontal terminal plate settings,
Two horizontal terminal plates are parallel and interval is arranged, and are provided with stud between two horizontal terminal plates；The level
One end of terminal plate is inserted on the connecting plate and is fixedly connected with the connecting plate, the connecting plate and the horizontal wiring
Plate is vertically arranged.
In extra-high-voltage alternating current series compensation damping unit as described above in dry-type hollow damping reactor, it is preferable that
Horizontal binding strap is bundled between the upper boom portion support arm of adjacent two；It is bundled between the upper boom portion and the lower boom
There is vertical binding strap, the upper boom portion is reinforced by the vertical binding strap with the lower boom and connected.
In extra-high-voltage alternating current series compensation damping unit as described above in dry-type hollow damping reactor, it is preferable that
The reactance coil is solenoid coil structure, is arranged with corona ring, the corona ring and institute in the upper end of the reactance coil
The lateral surface for stating reactance coil has gap.
In extra-high-voltage alternating current series compensation damping unit as described above in dry-type hollow damping reactor, it is preferable that
The corona ring is made of the corona ring element of multiple arcs structure, and multiple corona ring elements are set in the same horizontal plane
It sets, there is gap between the corona ring element of adjacent two.
In extra-high-voltage alternating current series compensation damping unit as described above in dry-type hollow damping reactor, it is preferable that
The corona ring element is the tubular structure of arc, and the corona ring element is aluminum corona ring element.
In extra-high-voltage alternating current series compensation damping unit as described above in dry-type hollow damping reactor, it is preferable that
The lower end of the reactance coil is provided with corona ball, the corona ball is provided with multiple, whole corona balls in same
A horizontal plane is arranged at equal intervals around the reactance coil.
In extra-high-voltage alternating current series compensation damping unit as described above in dry-type hollow damping reactor, it is preferable that
The insulator is high bending resistance insulator, and the transition seat is stainless steel transition seat；
The insulator is provided with multiple, whole insulators and is arranged in parallel and is distributed in the downside of the transition seat
On face.
By said structure design, in extra-high-voltage alternating current series compensation damping unit provided by the utility model dry type sky
In heart damping reactor, the utility model forms the scheme of single-phase reactor using two completely identical in structure coils from parallel connection of coils,
The rated current of separate unit reactance coil, dynamic and thermal stability electric current then can reduce reactor rated current, dynamic and thermal stability electric current
Half, therefore, the rated current of separate unit coil is 3150A, dynamic current 85kA, heat-stable current 31.5kA.Therefore,
Capacity, outer diameter and the conducting wire dosage of separate unit coil are all reduced, so that the utility model has light-weight, transport
Conveniently, the advantages that short-time current is small, service performance is reliable, stable, security performance is high.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
Wherein:
Fig. 1 is that extra-high-voltage alternating current series compensation damping unit dry-type hollow damps reactance in an embodiment of the present invention
The structural schematic diagram of device；
Fig. 2 is that extra-high-voltage alternating current series compensation damping unit dry-type hollow damps reactance in an embodiment of the present invention
The top view of device；
Fig. 3 is that extra-high-voltage alternating current series compensation damping unit dry-type hollow damps reactance in an embodiment of the present invention
Device is mounted on the structural schematic diagram on series compensation platform；
Fig. 4 is the plan structure simplified schematic diagram of upper boom portion in an embodiment of the present invention；
Fig. 5 is the schematic elevation view of corona unit in an embodiment of the present invention；
Fig. 6 is the left view schematic diagram of corona ring element in an embodiment of the present invention；
Fig. 7 is the schematic cross-sectional view of corona ball in an embodiment of the present invention；
Fig. 8 is the left view of Fig. 7；
Fig. 9 is the structural schematic diagram of horizontal terminal plate in an embodiment of the present invention；
Figure 10 is the top view of horizontal terminal plate in an embodiment of the present invention；
Figure 11 is the side view of horizontal terminal plate in an embodiment of the present invention；
Figure 12 is the schematic top plan view of lacing wire in an embodiment of the present invention；Figure 13 is in an embodiment of the present invention
The schematic front view of lacing wire.
Description of symbols:
Reactance coil 1, transition seat 2, insulator 3, upper boom portion support arm 4, lacing wire 5,51 inner ring lacing wires, 52 outer ring lacing wires, water
Flat terminal plate 6, horizontal binding strap 7, stud 8, corona ring 9, corona ball 10, epoxy plate 11, aluminium plate 12, series compensation platform 13.
Specific embodiment
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.Each example passes through the utility model
The mode of explanation provide rather than limit the utility model.In fact, those skilled in the art will be clear that, this reality is not being departed from
In the case where with novel range or spirit, it can modify in the present invention and modification.For example, being illustrated or described as one
The feature of a part of a embodiment can be used for another embodiment, to generate another embodiment.Thus, it may be desirable to
The utility model includes the such modifications and variations being included into the range of the following claims and their equivalents.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of description the utility model rather than requires the utility model that must be constructed and operated in a specific orientation, therefore
It should not be understood as limiting the present invention.Term used in the utility model " connected ", " connection " shall be understood in a broad sense,
For example, it may be being fixedly connected, may be a detachable connection；It can be directly connected, it can also be indirect by intermediate member
It is connected, for the ordinary skill in the art, can understands the concrete meaning of above-mentioned term as the case may be.
Fig. 1 to Figure 13 is please referred to, the utility model provides a kind of extra-high-voltage alternating current series compensation damping unit dry type
Air-core damping reactor includes reactance coil 1, and in the present invention, reactance coil 1 is provided with two groups, two groups of reactance lines
It is identical to enclose 1 structure, two groups of reactance coils 1 are arranged in parallel and are formed with extra-high voltage series compensation damping reactor, hinder in extra-high voltage series compensation
The lower end of Buddhist nun's reactor is provided with transition seat 2, and the lower end of transition seat 2 is provided with insulator 3.
Extra-high-voltage alternating current series compensation damping unit dry-type hollow damping reactor provided by the utility model, installation
Mode are as follows: will be mounted on series compensation platform 13 after two completely identical in structure coils from parallel connection of coils composition single-phase reactors, string filling-in
The height of platform 13 can be 12 meters, i.e. 12 meters of high series compensation platforms.It should be understood that the effect of series compensation platform 13 is to realize line
The insulation of circle.
Extra-high-voltage alternating current series compensation damping unit provided by the utility model is a kind of with dry-type hollow damping reactor
Suitable for 1000kV extra-high voltage grid dry-type hollow damping reactor, voltage class 1000kV, rated current are big, are
6300A, dynamic current are big, big for 170kA, heat-stable current, are 63kA, and may operate at 12 meters high of series compensation platform 13
On.
In the utility model, using the scheme of two completely identical in structure coils from parallel connection of coils composition single-phase reactors, separate unit
The rated current of reactance coil 1, dynamic and thermal stability electric current then can reduce reactor rated current, dynamic and thermal stability electric current one
Half, therefore, the rated current of separate unit coil is 3150A, dynamic current 85kA, heat-stable current 31.5kA.Therefore, single
Capacity, outer diameter and the conducting wire dosage of platform coil are all reduced, so that the utility model has light-weight, transporter
Just, the advantages that short-time current is small, security performance is high.
In the design of dry-type air-core reactor, the external insulation level of coil surface is critically important parameter, surface insulation
When insufficient, be easy to appear connectivity edge flashing and it is dirty it is wet under the conditions of local surfaces electric discharge, form creepage trace phenomenon.For
The appearance of these problems is avoided, the surface creepage required distance between reactor upper and lower side is the bigger the better.
Dielectric level is impacted between 1000kV dry-type hollow damping reactor end and requires height, and corresponding coil is along face creepage distance
Also big, using single-phase two mounting means in parallel, single phase winding is divided into two along face creepage distance and can preferably avoid table
Face creepage trace phenomenon increases safety.1000kV dry-type hollow damping reactor, running environment are 1000kV high voltage system
System, rated current and dynamic current are all very big, and 12 meters high of series compensation platform 13 is installed on by the way of in parallel using single-phase two
On, Insulation Problems over the ground can be converted into the insulation against ground problem of series compensation platform 13, and series compensation platform is by high-intensitive, high voltage
What the insulator of grade was built, thoroughly solve the problems, such as insulation against ground in this way.
In the present invention, reactance coil 1 includes: coil body, upper boom portion and lower boom, and upper boom portion, which is set to down, hangs
The upside of arm is simultaneously formed with installation space with the setting of lower boom interval, in being connected with coil body in installation space, utilizes
Horizontal terminal plate 6 realizes the electrical connection of two groups of reactance coils, and horizontal terminal plate 6 is connect with the upper boom portion of two groups of reactors.
Specifically, upper boom portion includes upper boom portion support arm 4, and upper boom portion support arm 4 is provided with multiple, whole upper boom portion support arms
4 are radially arranged, and reinforce connection by lacing wire 5 between two adjacent upper boom portion support arms 4.Lower boom includes lower boom branch
Arm, lower boom support arm is provided with multiple, whole lower boom support arms and is radially arranged, between the lower boom support arm of adjacent two
It is reinforced and is connected by lacing wire 5.By the setting of lacing wire 5, the anti-short circuit capability of upper boom portion or lower boom can be improved.
In order to further increase the structural strength of upper boom portion and lower boom, the utility model is in two adjacent upper boom portion branch
Horizontal binding strap 7 is bundled between arm 4, all upper boom portion support arms 4 are fixed in a horizontal plane by horizontal binding strap 7.In addition,
Vertical binding strap is bundled between upper boom portion and lower boom, upper boom portion connects into one by the reinforcing of vertical binding strap with lower boom
A entirety.
Preferably, by one horizontal binding strap for being solidified togather by more horizontal binding straps 7 by whole upper boom portions
Support arm is fixed on a horizontal plane, and fixation procedure is as follows: first by one horizontal binding strap 7 on a upper boom portion support arm around one
Circle, then according to clockwise or counterclockwise (along the circumferential direction of upper boom portion) successively on each remaining upper boom portion support arm around
One circle, until completing for whole upper boom portion support arms to be fixed on a horizontal plane around complete all upper boom portion support arms.It will be under whole
Boom support arm is fixed on the process on a horizontal plane referring to the fixation procedure of upper boom portion support arm.
Preferably, by one vertical binding strap for being solidified togather by more vertical binding straps by whole upper boom portion branch
Arm is fixed as an entirety with all lower boom support arms, and fixation procedure is as follows: first will be under whole upper boom portion support arm and whole
Boom support arm is divided into multiple groups boom, every group of boom include a upper boom portion support arm and with the upper boom portion support arm it is vertical it is corresponding under hang
Arm support arm, first by one vertical binding strap on one group of boom around a circle, then according to clockwise or counterclockwise (along hanging oneself
The circumferential direction of arm) successively on remaining every group of boom around a circle, until whole upper boom portion support arms and lower boom support arm are fixed
For an entirety, wherein refer on one group of boom around a circle: upper boom portion support arm is around a circle in this group of boom, then at this
Lower boom support arm in group boom is around a circle.
The short circuit current that string mends damping reactor system requirements is 170kA, and the single-phase circuit of reactor is by two complete phases
It is formed in parallel with reactor, so the dynamic current that separate unit reactor needs to bear is 85kA.And two reactance in parallel
The effect of magnetic field force can be all generated between device, the charge and discharge in short-term for thering is capacitor charging/discharging to generate reactor when operating normally in addition
The impact of electric current, all of these factors taken together all propose very high requirement to the dynamic stability of reactor, and wherein reactor connects
Active force on line arm is also very big.Therefore, it is necessary to carry out consolidation process to damping reactor entirety end-rack, the utility model is main
It is reinforced in terms of two:
One, increase the belt number and band thickness of horizontal binding strap and vertical binding strap
Horizontal binding strap 7 is exactly that all booms are fixed on the same horizontal plane using epoxy yarn.Vertical binding strap is just
It is that the end-rack up and down of reactor is fixed as an entirety using epoxy yarn.By overstriking and increase water in one horizontal binding strap
Number of vertical binding strap and the method for fixation increase boom resistance to shorting performance in flat tie band binding strap vertical with one.
Two, lacing wire is welded in the adjacent boom support arm of reactor hanger two
It is welded with lacing wire 5 between two adjacent upper boom portion support arms 4 of the upper boom portion of reactor, in two horizontal terminal plates 6
Between be arranged stud 8, can also improve the anti-short circuit capability of damping reactor boom.Between each adjacent two upper boom portion support arm
It is welded with lacing wire 5, multiple lacing wires in upper boom portion form annular, i.e., one circle lacing wire.Preferably, inner ring drawing is formed in upper boom portion
Muscle 51 and outer ring lacing wire 52, horizontal binding strap 7 is between inner ring lacing wire 51 and outer ring lacing wire 52.
The specific structure of lacing wire 5 are as follows: along the length direction of lacing wire 5, the middle position positioned at lacing wire 5 is set as epoxy plate
11, for preventing lacing wire 5 from forming induction circulation, aluminium plate 12 is set in the two sides of epoxy plate 11, is realized and is drawn by aluminium plate 12
Connection is welded and fixed on upper boom portion support arm 4 in muscle 5.Specifically, it is excellent also to have carried out structure to horizontal terminal plate for the utility model
Change: there are two the horizontal settings of terminal plate 6, stud 8 is additionally provided between two horizontal terminal plates 6, stud 8 connects with two levels
Line plate 6 is fixedly connected, so as to play the role of reinforcing to two horizontal terminal plates 6.
Specifically, reactance coil 1 is solenoid coil structure, and in being provided with corona ring 9 in upper boom portion, corona ring 9 is disconnected
Continuous annular is not the annular of a continuous annular or closure.Corona ring 9 is formed by annular sleeve set on upper boom portion and coil
Outside main body, the length and coil body for having a diameter larger than upper boom portion support arm are formed by columnar diameter, are so conducive to shielding
The electric field strength on reactance coil surface.The lateral surface of corona ring 9 and coil main body 1 has gap.The quantity of corona ring 9 is two
It is a, it is located above and below upper boom portion.Corona ring 9 is made of the corona ring element of multiple arcs structure, on each
Boom support arm is correspondingly arranged two corona ring elements, and multiple corona ring elements are arranged in the same horizontal plane, and adjacent two
There is gap between corona ring element.Referring to fig. 2,8 upper boom portion support arms are shared, then 16 corona ring elements are set.
Limit herein: for corona ring element as the tubular structure of arc, corona ring element is aluminum corona ring element.
In being provided with corona ball 10 on lower boom, corona ball 10 is provided with multiple, whole corona balls 10 in same
Horizontal plane is arranged at equal intervals around reactance coil 1.Multiple corona balls 10 are formed by annular radius and are formed greater than coil body 1
Cylinder-shaped radius.Groove is provided on corona ball 10 so that one end of lower boom support arm is inserted into groove, then by lower boom
Support arm and corona ball carry out welding and realize by the setting of corona ball 10 on lower boom support arm, are correspondingly arranged for each lower boom support arm
One corona ball 10.Groove is preferably scalloped recess.
Extra-high-voltage alternating current series compensation damping unit provided by the utility model runs ring with dry-type hollow damping reactor
Border is 1000kV, if screening arrangement is not added, the point effect of metal end-rack will generate visual corona, to neighbouring communication apparatus
Generate radio interference.Therefore, the utility model is in the screening arrangement that string mends damping reactor both ends installation larger radius of curvature
Very necessary.The corona-proofing device that string mends damping reactor is mounted to reactor upper boom portion, apart from reactor surface and electricity
Anti- device upper boom portion has the hollow aluminium material corona ring 9 of certain distance.Corona ring 9 be it is non-closed, prevented closed circuit and caused
Magnetic field heating problem.Because damping reactor is installed on series compensation platform, the anticorona measure of platform is to reactor lower part
Have a certain impact, as soon as so boom only installs circle corona ball 10 additional under reactor, neighbouring field strength can be controlled in zone of reasonableness it
It is interior.
In a specific embodiment of the utility model, reactor upper boom portion installs two loop diameter φ 100mm coronas additional
Ring 9, lower boom install diameter phi 60mm corona ball 10 additional, can make the control of reactor surface field strength within zone of reasonableness.
Specifically, insulator 3 is high bending resistance insulator, and transition seat 2 is stainless steel transition seat；Insulator 3 be provided with it is multiple,
Whole insulators 3 are arranged in parallel and are distributed on the downside of transition seat 2.The insulator of series compensation platform may be high bending resistance
Insulator.
Provided by the utility model is a kind of string benefit damping reactor being applied in 1000kV extra-high-voltage alternating current engineering, is led to
Cross said structure design, the utility model include: be made up of two completely identical in structure coils parallel way it is single-phase
Reactor, is used to support electricity at the horizontal terminal plate connecting for reducing the corona ring 9 of reactor surface field strength, with line bus
The high bending resistance insulator 3 of anti-device, the stainless steel transition seat for being connected at the top of reactor bottom and insulator 3.The utility model
Extra-high voltage series compensation damping unit dry-type hollow damping reactor 1000kV extra-high-voltage alternating current engineering capacitor group can be inhibited to put
Electric current and fault current mitigate capacitor set discharge to the adverse effect of capacitor group and discharge loop equipment, can satisfy
1000kV extra-high-voltage alternating current engineering is to dielectric level and is installed on the requirement of anti-seismic performance on platform, is designed by its structure, this
Reliability utility model structural strength also with higher and used.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for the skill of this field
For art personnel, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, made
Any modification, equivalent substitution, improvement and etc., should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of extra-high-voltage alternating current series compensation damping unit dry-type hollow damping reactor includes reactance coil (1),
It is characterized in that,
The reactance coil is provided with two groups, and reactance coil structure described in two groups is identical, reactance coil described in two groups is arranged in parallel,
And it is formed with extra-high voltage series compensation damping reactor, the lower end of the extra-high voltage series compensation damping reactor is provided with transition seat (2),
The lower end of the transition seat is provided with insulator (3)；
The reactance coil is mounted on the series compensation platform for realizing coil insulation.
2. extra-high-voltage alternating current series compensation damping unit dry-type hollow damping reactor according to claim 1, special
Sign is, the reactance coil includes coil body, upper boom portion and lower boom,
The upper boom portion is set to the upside of the lower boom and is formed with installation space with the lower boom interval setting, pacifies
Dress is connected with the coil body in space；
The upper boom portion includes upper boom portion support arm (4), and the upper boom portion support arm is provided with multiple, whole upper boom portion branch
Arm is radially arranged, and reinforces connection by lacing wire (5) between the upper boom portion support arm of adjacent two.
3. extra-high-voltage alternating current series compensation damping unit dry-type hollow damping reactor according to claim 2, special
Sign is,
The electrical connection of reactance coil described in two groups is realized by horizontal terminal plate, and the horizontal terminal plate is connected to two groups of institutes
It states between the upper boom portion of reactance coil, there are two the horizontal terminal plate settings, and two horizontal terminal plates are parallel and are spaced
Setting, is provided with stud (8) between two horizontal terminal plates；
One end of the horizontal terminal plate is inserted on the stud and is fixedly connected with the stud, the stud and the water
Flat terminal plate is vertically arranged.
4. extra-high-voltage alternating current series compensation damping unit dry-type hollow damping reactor according to claim 2, special
Sign is,
Horizontal binding strap (7) are bundled between the upper boom portion support arm of adjacent two；
Vertical binding strap is bundled between the upper boom portion and the lower boom, the upper boom portion and the lower boom pass through institute
It states vertical binding strap and reinforces connection.
5. extra-high-voltage alternating current series compensation damping unit dry-type hollow damping reactor according to claim 1, special
Sign is,
The reactance coil is solenoid coil structure, is arranged with corona ring (9), the corona in the upper end of the reactance coil
The lateral surface of ring and the reactance coil has gap.
6. extra-high-voltage alternating current series compensation damping unit dry-type hollow damping reactor according to claim 5, special
Sign is,
The corona ring is made of the corona ring element of multiple arcs structure, and multiple corona ring elements are in the same horizontal plane
Interior setting has gap between the corona ring element of adjacent two.
7. extra-high-voltage alternating current series compensation damping unit dry-type hollow damping reactor according to claim 6, special
Sign is,
The corona ring element is the tubular structure of arc, and the corona ring element is aluminum corona ring element.
8. extra-high-voltage alternating current series compensation damping unit dry-type hollow damping reactor according to claim 5, special
Sign is,
It is provided with corona ball (10) in the lower end of the reactance coil, the corona ball is provided with multiple, whole coronas
Ball is arranged in the same horizontal plane around the reactance coil at equal intervals.
9. extra-high-voltage alternating current series compensation damping unit according to any one of claims 1 to 8 damps electricity with dry-type hollow
Anti- device, which is characterized in that
The insulator is high bending resistance insulator, and the transition seat is stainless steel transition seat；
The insulator is provided with multiple, whole insulators and is arranged in parallel and is distributed in the downside of the transition seat
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721879946.5U CN208489104U (en) | 2017-12-28 | 2017-12-28 | Extra-high-voltage alternating current series compensation damping unit dry-type hollow damping reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721879946.5U CN208489104U (en) | 2017-12-28 | 2017-12-28 | Extra-high-voltage alternating current series compensation damping unit dry-type hollow damping reactor |
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| Publication Number | Publication Date |
|---|---|
| CN208489104U true CN208489104U (en) | 2019-02-12 |
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ID=65254709
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721879946.5U Active CN208489104U (en) | 2017-12-28 | 2017-12-28 | Extra-high-voltage alternating current series compensation damping unit dry-type hollow damping reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946058A (en) * | 2017-12-28 | 2018-04-20 | 北京电力设备总厂有限公司 | Extra-high-voltage alternating current series compensation damping unit dry-type hollow damping reactor |
-
2017
- 2017-12-28 CN CN201721879946.5U patent/CN208489104U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946058A (en) * | 2017-12-28 | 2018-04-20 | 北京电力设备总厂有限公司 | Extra-high-voltage alternating current series compensation damping unit dry-type hollow damping reactor |
| CN107946058B (en) * | 2017-12-28 | 2024-05-14 | 北京电力设备总厂有限公司 | Dry hollow damping reactor for extra-high voltage alternating current series compensation engineering damping device |
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