CN214705681U - Dry-type hollow filter reactor - Google Patents
Dry-type hollow filter reactor Download PDFInfo
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- CN214705681U CN214705681U CN202120087335.7U CN202120087335U CN214705681U CN 214705681 U CN214705681 U CN 214705681U CN 202120087335 U CN202120087335 U CN 202120087335U CN 214705681 U CN214705681 U CN 214705681U
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Abstract
The utility model provides a dry-type hollow filter reactor, includes the reactor coil, the reactor coil is multilayer drum formula parallel structure, and the reactor coil outside sets up the sound-proof housing, and the air flue that forms between each layer of reactor coil adopts the drawing stick as the support between the wire package, both ends set up star frame about the reactor coil, and the equalizer ring is all prepared to the lower extreme on the star frame, the equalizer ring lower extreme is provided with composite post insulator and supports. The utility model discloses not only can satisfy direct current engineering rated voltage and electric current needs, can also restrain the noise of power line carrier frequency channel, reduce the noise of radio frequency channel, have the significance to the transmission of electricity quality that improves extra-high voltage electric wire netting.
Description
Technical Field
The utility model relates to a reactor technical field, in particular to dry-type hollow filter reactor.
Background
In the existing dry-type hollow filter reactor, the direct-current voltage reaches +/-800 kV, the rated current is 5000A, and the engineering requirement that the rated current is 6250A under the same voltage class cannot be met.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a dry-type hollow filter reactor, not only can satisfy DC engineering rated voltage and electric current needs, can also restrain the noise of power line carrier frequency range, reduces the noise of radio frequency range, and is significant to the transmission of electricity quality that improves extra-high voltage electric network.
In order to realize the purpose, the utility model discloses a technical scheme is:
the utility model provides a dry-type hollow filter reactor, includes reactor coil 1, reactor coil 1 is multilayer cylinder formula parallel structure, and the outermost outside of multilayer cylinder formula parallel structure sets up sound-proof housing 2, and the air flue that forms between the adjacent layer of multilayer cylinder formula parallel structure adopts to draw and pulls out stick 3 as the support between the package, reactor coil 1 is gone up and down both ends and is set up star type frame 4, and equalizer ring 5 is all prepared to the lower extreme on star type frame 4, 5 lower extremes of equalizer ring are provided with composite support insulator 6 and support.
The coil 1 is wound by adopting a flat transposition aluminum stranded wire.
And the outer surface of the coil 1 is coated with acrylic polyurethane enamel paint and RTV-II glue.
And a stainless steel lifting seat 7 is used for transition between the reactor coil 1 and the composite post insulator 6.
The outer side of the stainless steel lifting seat 7 is provided with a corona ring 13.
And a protective umbrella 8 is arranged at the top of the reactor coil 1.
The reactor coil 1 is composed of a plurality of envelopes and is fastened with the star frame 4 into a whole by vertical binding, and star arms of the star frame 4 are formed by horizontal binding 10.
The number of the composite post insulators 6 is four, the upper end of each post is provided with a corona ring 11, and lacing wires 12 are matched between the posts.
The protective umbrella 8 is connected with the upper end of the star frame 4 by a support row assembly 15, and the protective umbrella 8 is provided with two rings of corona rings 14.
The bird-proof fence 16 is arranged on the star frame 4 on the inner side of the coil 1 of the reactor, and the bird-proof fence 16 is also matched with the upper end of the coil of the reactor and the protective umbrella 8, so that birds are prevented from invading.
The inner side of the coil 1 of the reactor is matched with a lightning arrester 17.
The utility model has the advantages that:
the dry-type hollow filter reactor bears the combined action of direct current and harmonic current in a direct current circuit, the rated direct current of the reactor is increased from 5000A to 6250A by 25 percent, the distribution of the direct current and the harmonic current encapsulated in each layer is more complicated, and the direct current is distributed according to direct resistance and the harmonic current is distributed according to reactance in each layer, so that the distribution of the direct current and the reasonable distribution of the harmonic current are considered simultaneously when electromagnetic calculation is carried out.
The utility model discloses improve original processing method, select for use advanced material, utilize neotype manufacture equipment and test equipment, ensured dry-type hollow filter reactor's whole quality effectively.
Drawings
Fig. 1 is a schematic structural diagram of a dry-type air-core filter reactor.
Fig. 2 is a schematic plan view of a dry-type air-core filter reactor coil.
Detailed Description
The present invention will be described in further detail with reference to examples.
As shown in fig. 1 and 2: the reactor coil 1 adopts single wrapped polyimide film half-lap for wire insulation, and multiple strands are combined to wrap a layer of polyimide film half-lap and a layer of polyester film composite cloth half-lap to form an H-level flat transposed aluminum stranded wire. The reactor coil 1 is wound by adopting a flat transposition aluminum stranded wire, epoxy resin impregnated alkali-free glass fiber is wrapped, a multi-layer cylindrical parallel structure is formed by high-temperature curing, a sound-proof cover is additionally arranged outside the reactor coil, the noise transmission is reduced, and epoxy resin impregnated glass fiber belts are used for fastening to perform vertical binding and horizontal binding 10. The air flue supporting strip of the reactor coil 1 adopts a modified unsaturated polyester resin drawing rod 3 as a support between wire packages to form a vertical heat dissipation air flue, and the outer surface of the air flue supporting strip is coated with acrylic polyurethane enamel paint and RTV-II glue. The two ends of the reactor coil 1 are structural star frames 4 which are formed by welding high-strength alloy aluminum bars (sectional materials), and the upper end part and the lower end part of the reactor coil are provided with equalizing rings 5. The reactor coil 1 is insulated to the ground and supported by the composite post insulator 6, so that the anti-seismic performance is better, and the reactor coil 1 and the composite post insulator 6 are transited by the stainless steel lifting seat 7. The top of the coil of the reactor is matched with a protective umbrella 8, so that the reactor is better suitable for outdoor environment requirements.
The utility model discloses satisfy reactor direct current voltage 800kV, rated direct current 6250A requirement, each performance index satisfies or is superior to the technical agreement requirement through experimental verification.
The utility model is used for among the direct current transmission system, because the sudden change of voltage will produce a large amount of high frequency noise on alternating current-direct current circuit when switching on and turn-off of converter valve, high frequency noise can make circulating transformer alternating current side switch occasion transmission line wire carry interference current, for the interference noise who avoids producing causes the influence to electric power communication line, need exchange and direct current filter in converter transformer alternating current and direct current circuit outgoing line side setting. The dry-type hollow filter reactor is used as a basic composition unit of the PLC filter, needs to bear large reactive current and reactive voltage, can inhibit noise of a power line carrier frequency band and can reduce noise of a radio frequency band
The utility model discloses a theory of operation:
the flat transposition aluminum stranded wire is wound by a tool, epoxy resin is used for impregnating alkali-free glass fiber for wrapping, a multi-layer cylindrical parallel structure (air passage supporting strips are added between every two layers) is used for impregnating glass fiber belts with epoxy resin for vertically binding and horizontally binding an upper star frame 4 and a lower star frame 10 into a whole, the high-temperature curing molding is carried out, and the sound-proof cover 2 is additionally arranged outside. And a lead-out wire with a certain length is reserved in each wrapping bag which is wound, and is welded on the star arms of the upper star frame and the lower star frame 4 through argon arc welding. The upper and lower star frames 4 are provided with wiring terminals to realize connection with an electric power system.
Claims (10)
1. The utility model provides a dry-type hollow filter reactor, its characterized in that, includes reactor coil (1), reactor coil (1) is multilayer cylinder formula parallel structure, and multilayer cylinder formula parallel structure is outmost outside sets up sound-proof housing (2), and the air flue that forms between the adjacent layer of multilayer cylinder formula parallel structure adopts pull rod (3) as the support between the package, reactor coil (1) upper and lower both ends set up star frame (4), and equalizer ring (5) is all prepared to star frame (4) upper and lower extreme, equalizer ring (5) lower extreme is provided with composite post insulator (6) and supports.
2. A dry-type air-core filter reactor as claimed in claim 1, characterized in that the coil (1) is wound with flat transposed aluminum strands.
3. A dry-type air-core filter reactor as claimed in claim 1, characterized in that the reactor coil (1) is coated with acrylic polyurethane enamel and RTV-ii glue on its outer surface.
4. A dry-type air-core filter reactor as claimed in claim 1, characterized in that the transition between the reactor coil (1) and the composite post insulator (6) is made by means of a stainless steel riser (7).
5. A dry-type air-core filter reactor according to claim 4, characterized in that the stainless steel riser (7) is provided with a corona ring (13) on the outside.
6. A dry-type air-core filter reactor as claimed in claim 1, characterized in that a protective umbrella (8) is arranged on the top of the reactor coil (1), the protective umbrella (8) is connected with the upper end of the star-shaped frame (4) by a support row assembly (15), and the protective umbrella (8) is provided with two corona rings (14).
7. A dry-type air-core filter reactor as claimed in claim 6, characterized in that the star-shaped frame (4) inside the coil (1) of the reactor is provided with bird-preventing fence (16), and the protective umbrella (8) and the upper end of the coil of the reactor are also provided with bird-preventing fence (16).
8. A dry-type air-core filter reactor according to claim 1, characterized in that the reactor coil (1) is composed of a plurality of envelopes, which are fastened with the star frame (4) into a whole by vertical binding, and the star arms of the star frame (4) are formed by horizontal binding (10).
9. A dry-type air-core filter reactor according to claim 1, characterized in that the number of said composite post insulators (6) is four, each post is provided with a corona ring (11) at its upper end and with tie bars (12) between the posts.
10. A dry-type air-core filter reactor as claimed in claim 1, characterized in that the inside of the coil (1) of the reactor is fitted with a surge arrester (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120087335.7U CN214705681U (en) | 2021-01-13 | 2021-01-13 | Dry-type hollow filter reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120087335.7U CN214705681U (en) | 2021-01-13 | 2021-01-13 | Dry-type hollow filter reactor |
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| Publication Number | Publication Date |
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| CN214705681U true CN214705681U (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120087335.7U Active CN214705681U (en) | 2021-01-13 | 2021-01-13 | Dry-type hollow filter reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI795171B (en) * | 2022-01-17 | 2023-03-01 | 江鈺堂 | Testing system for doing a cable test |
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2021
- 2021-01-13 CN CN202120087335.7U patent/CN214705681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI795171B (en) * | 2022-01-17 | 2023-03-01 | 江鈺堂 | Testing system for doing a cable test |
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