CN203456220U - Ultrahigh-voltage dry type hollow smoothing reactor - Google Patents
Ultrahigh-voltage dry type hollow smoothing reactor Download PDFInfo
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- CN203456220U CN203456220U CN201320132363.1U CN201320132363U CN203456220U CN 203456220 U CN203456220 U CN 203456220U CN 201320132363 U CN201320132363 U CN 201320132363U CN 203456220 U CN203456220 U CN 203456220U
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- type hollow
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Abstract
The utility model provides a dry type hollow smoothing reactor for ultrahigh-voltage DC power transmission, which comprises the following components: a reactor coil, an insulating bracket which is supported at the bottom of the reactor coil, a rainproof noise-reducing device which is coated outside the reactor coil, a lightening arrester which is parallelly connected with the reactor coil, and an electric field shielding member. The insulating bracket comprises a plurality of column insulators and at least one insulator bracing platform which is arranged horizontally. Each column insulator comprises a plurality of insulators which are connected in series through end flanges. The insulator bracing platform is connected with the end flange of a same-height insulator of each column insulator so that the potentials of the insulators at same height are same. The reactor coil of the ultrahigh-voltage dry type hollow smoothing reactor provided by the utility model can satisfy requirement of +/-800kv or +/-1100kv DC power transmission engineering to voltage, current and impact level. Furthermore the requirement of the ultrahigh-voltage DC power transmission engineering to ground insulation level and seismic intensity can be satisfied.
Description
Technical field
The utility model relates to extra-high voltage direct-current transmission technology, particularly a kind of being applicable to ± 800kv or ± the extra-high voltage direct-current transmission dry-type hollow smoothing reactor of 1100kv.
Background technology
Large capacity, high efficiency, the remote advanced technology of transmission of electricitys such as development ultra high voltage are explicitly calling for of country's " 12 " planning outline proposition.Development ultra high voltage is the most important thing of " 12 " power network development, and DC transmission engineering is its important component part.Extra-high voltage dry type hollow smoothing reactor, as the main equipment in extra-high voltage direct-current transmission engineering, is connected in series in system, is the indispensable crucial main equipment of the normal operation of current conversion station.Its overcurrent during for restriction inversion side voltage collapse, stabilize ripple in transmission direct current, the overvoltage that prevents from intruding into current conversion station along DC line is on the impact of converter valve insulation and keeps under running on the lower load that direct current is uninterrupted etc. has an important function.
Extra-high voltage dry type hollow smoothing reactor is in high potential place, and its Analysis of End Electric Field is concentrated, and end insulation against ground level is all far above the insulation against ground level of common reactor, therefore extremely important for the insulation against ground supporting construction of extra-high voltage dry type hollow smoothing reactor.Post insulator supports as the insulation against ground of dry smoothing reactor, both need the bearing height that provides enough to ensure the end insulation against ground level of smoothing reactor, and needed again the support strength that provides enough to ensure the safe operation under earthquake intensity of extra-high voltage dry type smoothing reactor.
Further, in DC transmission system, receive the impact of bus and the earth distribution impedance, more serious along the electric field distortion on the bearing of trend of post insulator, cause the current potential of each post insulator not identical, easily there is electric discharge phenomena and galvanic corrosion and damage.Particularly, under the severe weather conditions such as misty rain, travel fatigue, more easily aggravate the deteriorated of insulator, even cause insulator fracture.Therefore, equal laminated structure rationally, is scientifically set, improves the support strength of post insulator, to improving the safe and reliable operation of ultra high voltage smoothing reactor, be significant.
Utility model content
In view of this, the utility model provides a kind of extra-high voltage direct-current transmission dry-type hollow smoothing reactor, can meet ± 800kv of smoothing reactor coil or ± requirement of 1100kv DC transmission engineering to voltage, CURRENT DISTRIBUTION and insulation level, smoothing reactor insulating support can provide enough bearing height to ensure the end insulation against ground level of smoothing reactor, can provide enough support strengths again, can meet ± 800kv or ± requirement of 1100kv extra-high voltage direct-current transmission engineering insulation against ground level and earthquake intensity.
A kind of extra-high voltage dry type hollow smoothing reactor that the utility model provides, comprise: reactor winding, be supported in the insulating support of this reactor winding bottom, lightning arrester and the electric field shielding part that is wrapped in the rainproof noise reduction device of this reactor winding outside, is connected in parallel with this reactor winding
Described insulating support comprises a plurality of post insulators and at least one horizontally disposed insulator lacing wire platform, and each post insulator comprises a plurality of insulators that are connected in series by end flange,
Described insulator lacing wire platform is connected with the end flange of the insulator of the sustained height of each post insulator, so that the current potential of the insulator of described sustained height is identical.
Preferably, described insulator lacing wire platform comprises radial lacing wire and circumferential lacing wire,
Described in each, one end of radial lacing wire and the end flange of described insulator are connected, and the other end is connected with the center of insulator lacing wire platform,
Described in each, the two ends of circumferential lacing wire are connected with the described end flange of adjacent two post insulators respectively.
Preferably, described insulating support further comprises support platform, support platform between reactor winding and post insulator,
This support platform comprises the platform radiation arm that a plurality of radial direction along support platform are extended, and the quantity of platform radiation arm is identical with the quantity of post insulator, and the top of each post insulator is connected by flange with the bottom of a platform radiation arm.
Preferably, described reactor winding by two traverse shafts to coiling arranged side by side,
The differential seat angle of the initiating terminal position of two wires is 180 °.
Preferably, described reactor winding has a plurality of encapsulated layers, is evenly arranged a plurality of air duct slats between each encapsulated layer,
Described air duct slats has the first support arm and second support arm vertical with the first support arm that supports reactor winding, and the side that the first support arm contacts with reactor winding has the inverted arc that improves laminating reactor winding contact area.
Preferably, described insulating support comprises 12 post insulators, and each post insulator is perpendicular to the ground.
Preferably, described insulator is porcelain insulator,
The bottom of each post insulator has the base plate of height-adjustable.
Preferably, described insulating support comprises 12 post insulators, and each post insulator is identical with the angle on ground, and is all less than 90 ° and be more than or equal to 75 °.
Preferably, described insulator is composite insulator,
The top of each post insulator has the insulator upper bracket being connected with support platform, and bottom has the insulator lower carriage that improves support strength.
As seen from the above technical solution, in the utility model, the lacing wire platform being connected with the end flange of the insulator of sustained height by setting, not only solved the electric field distortion problem of post insulator, bearing height and the support strength of post insulator have been improved again, thereby can meet the requirement of ultra high voltage, and there is the effect of antidetonation, wind resistance, Short Circuit withstand, anti-ice cover.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of extra-high voltage dry type hollow smoothing reactor of the present utility model;
Fig. 2 is the structural scheme of mechanism of the support platform of extra-high voltage dry type hollow smoothing reactor of the present utility model;
Fig. 3 is the coiling schematic diagram of the reactor winding of extra-high voltage dry type hollow smoothing reactor of the present utility model;
Fig. 4 is the structural representation of the air duct slats of extra-high voltage dry type hollow smoothing reactor of the present utility model;
Fig. 5 is the structural representation of the first embodiment of the post insulator of extra-high voltage dry type hollow smoothing reactor of the present utility model;
Fig. 6 is the structural representation of the second embodiment of the post insulator of extra-high voltage dry type hollow smoothing reactor of the present utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.
In the utility model, by setting and the lacing wire platform that the end flange of the insulator of sustained height is connected, not only solved the electric field distortion problem of post insulator, improved again bearing height and the support strength of post insulator, thereby can meet the requirement of ultra high voltage
As shown in Figure 1, the utility model provides a kind of extra-high voltage dry type hollow smoothing reactor, comprising: reactor winding 101, be supported in the insulating support 201 of these reactor winding 101 bottoms, lightning arrester 103 and the electric field shielding part 301 that is wrapped in the rainproof noise reduction device 102 of these reactor winding 101 outsides, is connected in parallel with this reactor winding.
Wherein, insulating support 201 comprises a plurality of post insulators 211 and at least one horizontally disposed insulator lacing wire platform 212, and each post insulator 211 comprises a plurality of insulators that are connected in series by end flange 213.
Insulator lacing wire platform 212 is connected with the end flange of the insulator 313 of the sustained height of each post insulator 211, so that the current potential of the insulator of sustained height is identical.
Post insulator 211 is not only played a supporting role for reactor winding 101, and it has highly determined smoothing reactor insulation level over the ground.Insulator 213 plays main insulation against ground effect, owing to being subject to the impact of bus and the earth distribution impedance in DC transmission system, electric field distortion on insulator 213 is more serious, causes the current potential of insulator of sustained height not identical, electric discharge phenomena and galvanic corrosion easily occurs and damage.By insulator lacing wire platform 212 is set, it is connected with the end flange of the insulator 213 of sustained height, can guarantee that the current potential of each insulator 213 is identical, prevents electric discharge phenomena and galvanic corrosion and damages.
Further, shown in Fig. 1, Fig. 5 and Fig. 6, insulator lacing wire platform 212 comprises radial lacing wire 221 and circumferential lacing wire 222.One end of each radial lacing wire 221 is connected with the end flange of insulator 213, and the other end is connected with insulator lacing wire platform 212 center.Be that each radial lacing wire 221 is extended along the radial direction of insulator lacing wire platform 212.The two ends of each circumferential lacing wire 222 are connected with the end flange of the insulator 213 of the sustained height of adjacent two post insulators 211 respectively.
Because the weight of extra-high voltage dry type hollow smoothing reactor reaches 77 tons, and reactor winding 101 need to be arranged on 15 meters of high positions, while directly installing between reactor winding 101 and post insulator 211, the stress of post insulator 211 under earthquake intensity is very large, can not meet safe operation under 0.2g earthquake intensity.Therefore preferably, insulating support 201 further comprises support platform 214, and support platform 214 is between reactor winding 101 and post insulator 211.
Fig. 2 is the structural representation of the support platform of extra-high voltage dry type hollow smoothing reactor of the present utility model.As shown in Figure 2, this support platform 214 comprises the platform radiation arm 241 that a plurality of radial direction along support platform 214 are extended, the quantity of platform radiation arm 241 is identical with the quantity of post insulator 211, and the top of each post insulator 211 is connected by flange 242 with the bottom of a platform radiation arm 241.By support platform 214 being set between reactor winding 101 and post insulator 211, the stress of post insulator 211 is delivered in support platform 214, the planar structure score of support platform 214 one from post insulator 211 can bear larger stress, thereby guaranteed that integral installation structure can meet safe operation under 0.2g earthquake intensity.
Preferably, support platform 214 is selected the size of upper flange and lower flange 242 according to the end flange of reactor winding 101 and post insulator 211, thereby plays the effect of converting interface.
Fig. 3 is the coiling schematic diagram of the reactor winding of extra-high voltage dry type hollow smoothing reactor of the present utility model.As shown in Figure 3, further, reactor winding 101 by two traverse shafts to coiling arranged side by side, wire A and wire B adopt classification rise around mode coiling.It is 180 ° that classification rises around the differential seat angle that is the initiating terminal position of guide line A and wire B, and it starts the same number of turns of coiling from the two ends of any diameter of reactor winding 101 respectively.Such winding method rises around mode and compares with co-located, can so that turn-to-turn lower voltage half, thereby improve turn-to-turn insulation reliability.
Fig. 4 is the structural representation of the T-shape air duct slats of extra-high voltage dry type hollow smoothing reactor of the present utility model.The reactor winding 101 of ultra high voltage smoothing reactor has a plurality of encapsulated layers, along with volume with seal increasing of the number of plies, internal stress between each encapsulated layer is very large, if the air duct slats between each encapsulated layer adopts rectangle air duct slats easily to cause " bar " phenomenon, in the process of coiling, air duct slats does not easily play the effect of supporting next encapsulated layer because stress collapses.
Preferably, according to stressed result between encapsulated layer, between encapsulated layer, have and be evenly arranged a plurality of air duct slats 401, air duct slats 401 has the first support arm 411 and second support arm 412 vertical with the first support arm 411 that supports reactor winding, the side that the first support arm 411 contacts with reactor winding 101 has the inverted arc 413 of laminating reactor winding 101, contact area with increase with coil surface, and strengthen ventilation effect, guarantee the safe operation of reactor winding.
By supporting construction and shielding construction as above of application, dry-type hollow smoothing reactor of the present utility model can be applicable to extra-high voltage direct-current transmission engineering, be particularly applicable to ± 800kv or ± 1100kv DC transmission engineering.Particularly, ± 800kv and ± major parameter of 1100kv smoothing reactor is as shown in table 1.
Table 1 ± 800kv and ± major parameter of 1100kv smoothing reactor
The first embodiment
Fig. 5 shows the structural representation of the first embodiment of post insulator supporting construction of the present utility model.As shown in Figure 5, insulating support comprises 12 post insulators 211, and each post insulator 211 is perpendicular to the ground.The insulator 213 of each post insulator 211 is porcelain insulator.
The bottom of each post insulator 211 has the base plate 215 of height-adjustable.Can guarantee that by the adjustment of base plate 215 setting height(from bottom) of each post insulator 211 is identical.
This vertical supporting way occupation of land size is less, and the cost of porcelain insulating support is lower, is convenient to promote.
The second embodiment
Fig. 6 shows the structural representation of the second embodiment of post insulator supporting construction of the present utility model.As shown in Figure 6, insulating support comprises 12 post insulators 211, and each post insulator 211 is identical with the angle on ground, and is all less than 90 ° and be more than or equal to 75 °, and post insulator 211 adopts the structure that tilts to support.The insulator 213 of each post insulator 211 is composite insulator.
The top of each post insulator 211 has the insulator upper bracket 216 being connected with support platform, and bottom has the insulator lower carriage 217 that improves support strength.Insulator upper bracket 216 and insulator lower carriage have the switching effect of different linking size.
The supporting way of this inclination has than the better anti-seismic performance of vertical support.
As seen from the above technical solution, in the utility model, the lacing wire platform being connected with the end flange of the insulator of sustained height by setting, not only solved the electric field distortion problem of post insulator, improve again bearing height and the support strength of post insulator, thereby can meet the requirement of ultra high voltage.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of the utility model protection.
Claims (9)
1. an extra-high voltage dry type hollow smoothing reactor, it is characterized in that, comprise: reactor winding, be supported in the insulating support of this reactor winding bottom, lightning arrester and the electric field shielding part that is wrapped in the rainproof noise reduction device of this reactor winding outside, is connected in parallel with this reactor winding
Described insulating support comprises a plurality of post insulators and at least one horizontally disposed insulator lacing wire platform, and each post insulator comprises a plurality of insulators that are connected in series by end flange,
Described insulator lacing wire platform is connected with the end flange of the insulator of the sustained height of each post insulator, so that the current potential of the insulator of described sustained height is identical.
2. extra-high voltage dry type hollow smoothing reactor according to claim 1, is characterized in that, described insulator lacing wire platform comprises radial lacing wire and circumferential lacing wire,
Described in each, one end of radial lacing wire and the end flange of described insulator are connected, and the other end is connected with the center of insulator lacing wire platform,
Described in each, the two ends of circumferential lacing wire are connected with the described end flange of adjacent two post insulators respectively.
3. extra-high voltage dry type hollow smoothing reactor according to claim 1 and 2, is characterized in that, described insulating support further comprises support platform, support platform between reactor winding and post insulator,
This support platform comprises the platform radiation arm that a plurality of radial direction along support platform are extended, and the quantity of platform radiation arm is identical with the quantity of post insulator, and the top of each post insulator is connected by flange with the bottom of a platform radiation arm.
4. extra-high voltage dry type hollow smoothing reactor according to claim 1, is characterized in that, described reactor winding by two traverse shafts to coiling arranged side by side,
The differential seat angle of the initiating terminal position of two wires is 180 °.
5. extra-high voltage dry type hollow smoothing reactor according to claim 1, is characterized in that, described reactor winding has a plurality of encapsulated layers, is evenly arranged a plurality of air duct slats between each encapsulated layer,
Described air duct slats has the first support arm and second support arm vertical with the first support arm that supports reactor winding, and the side that the first support arm contacts with reactor winding has the inverted arc that improves laminating reactor winding contact area.
6. extra-high voltage dry type hollow smoothing reactor according to claim 3, is characterized in that, described insulating support comprises 12 post insulators, and each post insulator is perpendicular to the ground.
7. extra-high voltage dry type hollow smoothing reactor according to claim 6, is characterized in that, described insulator is porcelain insulator,
The bottom of each post insulator has the base plate of height-adjustable.
8. extra-high voltage dry type hollow smoothing reactor according to claim 3, is characterized in that, described insulating support comprises 12 post insulators, and each post insulator is identical with the angle on ground, and is all less than 90 ° and be more than or equal to 75 °.
9. extra-high voltage dry type hollow smoothing reactor according to claim 8, is characterized in that, described insulator is composite insulator,
The top of each post insulator has the insulator upper bracket being connected with support platform, and bottom has the insulator lower carriage that improves support strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320132363.1U CN203456220U (en) | 2013-03-22 | 2013-03-22 | Ultrahigh-voltage dry type hollow smoothing reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320132363.1U CN203456220U (en) | 2013-03-22 | 2013-03-22 | Ultrahigh-voltage dry type hollow smoothing reactor |
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| Publication Number | Publication Date |
|---|---|
| CN203456220U true CN203456220U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320132363.1U Expired - Lifetime CN203456220U (en) | 2013-03-22 | 2013-03-22 | Ultrahigh-voltage dry type hollow smoothing reactor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187143A (en) * | 2013-03-22 | 2013-07-03 | 北京电力设备总厂 | Extra-high-voltage dry hollow smoothing reactor |
| AT516245A1 (en) * | 2014-07-18 | 2016-03-15 | Coil Holding Gmbh | Substructure to increase the seismic safety of a high-voltage component |
| CN116479849A (en) * | 2023-04-26 | 2023-07-25 | 中国电力工程顾问集团有限公司 | Damping support platform of dry-type reactor and installation method thereof |
-
2013
- 2013-03-22 CN CN201320132363.1U patent/CN203456220U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187143A (en) * | 2013-03-22 | 2013-07-03 | 北京电力设备总厂 | Extra-high-voltage dry hollow smoothing reactor |
| AT516245A1 (en) * | 2014-07-18 | 2016-03-15 | Coil Holding Gmbh | Substructure to increase the seismic safety of a high-voltage component |
| AT516245B1 (en) * | 2014-07-18 | 2017-06-15 | Coil Holding Gmbh | Substructure to increase the seismic safety of a high-voltage component |
| US10658821B2 (en) | 2014-07-18 | 2020-05-19 | Coil Holding Gmbh | Substructure for increasing the earthquake resistance of a high-voltage component |
| CN116479849A (en) * | 2023-04-26 | 2023-07-25 | 中国电力工程顾问集团有限公司 | Damping support platform of dry-type reactor and installation method thereof |
| CN116479849B (en) * | 2023-04-26 | 2023-12-12 | 中国电力工程顾问集团有限公司 | Damping support platform of dry-type reactor and installation method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING ELECTRIC POWER EQUIPMENT GENERAL FACTORY C Free format text: FORMER NAME: BEIJING POWER EQUIPMENT GENERAL PLANT |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 102401 Beijing City, Fangshan District Liangxiang Haotian Street No. 12 Patentee after: BEIJING POWER EQUIPMENT GROUP Co.,Ltd. Address before: 102401 Beijing City, Fangshan District Liangxiang Haotian Street No. 12 Patentee before: Beijing Power Equipment Group |
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| CX01 | Expiry of patent term |
Granted publication date: 20140226 |
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| CX01 | Expiry of patent term |