CN211456707U - High-altitude transformer substation parallel capacitor and series reactance arrangement structure - Google Patents
High-altitude transformer substation parallel capacitor and series reactance arrangement structure Download PDFInfo
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- CN211456707U CN211456707U CN202020317249.6U CN202020317249U CN211456707U CN 211456707 U CN211456707 U CN 211456707U CN 202020317249 U CN202020317249 U CN 202020317249U CN 211456707 U CN211456707 U CN 211456707U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
The utility model relates to a transformer technical field, in particular to novel arrangement structure of series reactor among indoor frame-type shunt capacitance ware complete set device of high altitude transformer substation. The utility model provides a high altitude transformer substation parallel capacitor and series reactance arrangement structure, includes parallel capacitor complete set device and series reactor, its characterized in that: the parallel capacitor kit comprises: the isolating switch is connected with the series reactor through a copper bus, the series reactor is connected with the capacitor through the copper bus and a post insulator, the capacitor is connected with the oil-immersed full-sealed discharge coil through the copper bus, and the capacitor is connected with the zinc oxide arrester and the current transformer through flexible wires respectively. The arrangement type of the series reactor in the parallel capacitor complete device is a dry iron core three-phase body. The utility model provides a technical scheme area is little, compact structure, and system operational reliability is high, economic nature is good, and it is convenient to maintain.
Description
Technical Field
The utility model relates to a transformer technical field, in particular to novel arrangement structure of series reactor among indoor frame-type shunt capacitance ware complete set device of high altitude transformer substation.
Background
The electric reactors in the power industry are of various types, including filter reactors, series reactors, shunt reactors, starting reactors and the like. The series reactor is an important corollary device of a reactive power compensation device of a power system. After the capacitor bank is connected with the series reactor in series, the high-order harmonic waves in a power grid can be effectively inhibited, switching-on inrush current and operation overvoltage are limited, the voltage waveform of a system is improved, the power factor of the power grid is improved, the harmonic waves are prevented from damaging the capacitor, excessive amplification and resonance of the harmonic waves of the power grid due to the connection of the capacitor device are avoided, and a great effect is achieved on safe operation of the capacitor and other power equipment.
The series reactor in a 35kV indoor frame type parallel capacitor complete set in a high-altitude transformer substation is generally in a split arrangement mode of dry type hollow reactors, each phase is needed, namely A, B, C three phases need 3 in total, in order to avoid magnetic leakage influence, the distance between the phases and the interphase is required to be not less than 1.7 times of the diameter of the reactor, the space which is not less than 1.1 times of the diameter of the reactor is required to be kept around each phase to prevent magnetic leakage pollution, the occupied area is relatively large, along with the high-speed development of power grid construction, the scale and the capacity of the transformer substation are larger and larger, the problems that equipment on the low-voltage side of a main transformer is increased and the occupied area is large are more and more prominent. But the non-renewable land resources are limited. In order to further implement the basic national policy of reasonably utilizing the land and practically protecting the cultivated land, the optimization design of the low-voltage side of the main transformer is urgently needed, the overall design level of the transformer substation is certainly improved by solving the problems, and the operation reliability is improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel parallel capacitor and arrangement structure of series reactance, the arrangement pattern is more optimized, reduces the use amount that supports post insulator and connect the copper bar, alleviates the problem of land resource shortage, reduces area. To achieve the above object: the utility model adopts the following technical scheme: the arrangement structure of the parallel capacitor and the series reactor of the high-altitude transformer substation comprises a parallel capacitor complete set device and a series reactor, wherein the arrangement mode of the series reactor in the parallel capacitor complete set device is a dry iron core three-phase integrated body.
Preferably, the parallel capacitor kit includes: the isolating switch is connected with the series reactor through a copper bus, the series reactor is connected with the capacitor through the copper bus and a post insulator, the capacitor is connected with the oil-immersed full-sealed discharge coil through the copper bus, and the capacitor is connected with the zinc oxide arrester and the current transformer through flexible wires respectively.
It is further preferred that the parallel capacitor package is a 35KV indoor frame-type parallel capacitor package.
Preferably, the isolator includes the mounting panel, the movable plate that slidable set up on the mounting panel, be provided with the static contact on the mounting panel, be provided with the matched with moving contact on the movable plate, the movable plate downside is provided with the axis of rotation, the axis of rotation end is provided with the gear, be fixed with on the mounting panel with gear matched with rack, axis of rotation end gear front side is provided with the turning arm, still include with turning arm rotatable coupling's control lever.
To sum up, the utility model provides a technical scheme area is little, and compact structure and system operational reliability are high, economic nature is good, and it is convenient to maintain.
Drawings
Fig. 1 is a plan view of an embodiment of the present invention.
Fig. 2 is a sectional view of an embodiment of the present invention.
Fig. 3 is a top view of a disconnector according to an embodiment of the invention.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
The arrangement structure of the parallel capacitor and the series reactor of the high-altitude transformer substation comprises a parallel capacitor complete set device and a series reactor, wherein the arrangement mode of the series reactor in the parallel capacitor complete set device is a dry iron core three-phase integrated body.
The parallel capacitor kit comprises: isolator 1, isolator 1 be connected with series reactor 2 through the copper busbar, series reactor 2 be connected with condenser 4 through copper busbar and post insulator 3, condenser 4 be connected with oily formula totally enclosed discharge coil 5 through the copper busbar, the condenser passes through the flexible conductor and is connected with zinc oxide arrester 6 and current transformer 7 respectively simultaneously.
The parallel capacitor complete set is a 35KV indoor frame type parallel capacitor complete set.
The isolating switch comprises an installing plate 17 and a movable plate 11 which is slidably arranged on the installing plate 17, wherein a static contact 8 is arranged on the installing plate 17, a moving contact 10 matched with the movable plate 11 is arranged on the movable plate 11, a rotating shaft 12 is arranged on the lower side of the movable plate 11, a gear 18 is arranged at the end of the rotating shaft 12, a rack 13 matched with the gear 18 is fixed on the installing plate 17, a crank arm 14 is arranged on the front side of the gear 18 at the end of the rotating shaft 12, and the isolating switch further comprises a control rod 15 which is rotatably connected with the crank arm 14. The length direction of the slide rail between the moving plate 11 and the mounting plate 17 is the same as the matching movement direction of the gear and the rack. The mounting plate 17 and the moving plate 11 are made of high-strength non-magnetic materials.
The static contact 8 is of a U-shaped structure and can also be described as a structure that the static contact is formed by a first transverse plate and two opposite vertical plates arranged at two ends of the transverse plate, the moving contact 10 comprises a high-purity copper pipe arranged on a moving plate 11, the outer diameter of the copper pipe is matched with the distance between the two vertical plates, and the static contact 8 is made of multiple layers of high-purity copper sheets. The movable plate 11 is moved by rotating the crank arm 14, and the moving contact 10 and the static contact 8 are controlled to be opened and closed.
Further preferably, the crank arm 14 and the rotating shaft 12 are fixed through bolts, a rotating shaft mounting hole is formed in the crank arm 14, a key groove is formed in the rotating shaft mounting hole and matched with a spline at the tail end of the rotating shaft, the crank arm rotating shaft mounting hole is not closed, a tightening bolt is arranged on the side face of the crank arm rotating shaft mounting hole, and the crank arm is tightened through the bolt, so that the crank arm 14 and the rotating shaft 12 can be tightly matched. A second rotating shaft is arranged between the crank arm 14 and the control rod 15, one end of the second rotating shaft is connected with the control rod 15, and the other end of the second rotating shaft penetrates through a shaft hole in the crank arm 14 to be matched and fixed with a nut 16 with one closed end. By changing the connection mode and the material of the moving contact 10 and the static contact 8, the isolating switch can always have good conductive capability in the long-time operation process, and excessive temperature rise at the connection structure can not occur. Excessive friction force can not occur in the brake closing and opening processes. The structure can not only ensure that the operating force is not too large, but also ensure that the movable contact and the static contact are not seriously abraded after being used for a long time, and can also be conveniently maintained if the movable contact and the static contact are abraded.
The utility model discloses a novel arrangement structure of parallel capacitor and series reactance, the series reactor among the indoor frame-type parallel capacitor complete set of 35kV adopts dry-type iron core threephase integrative, makes the arrangement pattern more optimize, reduces the use amount that supports post insulator and connect the copper bar, alleviates soil resource shortage problem, reduces area, and then practices thrift the land, sparingly invests in, and economic benefits is showing very. Meanwhile, the dry-type iron core three-phase integrated series reactor is stable in operation, safe and reliable, and more importantly, the safe and stable operation of a power grid can be ensured. In view of special climate at high altitude, the reliable, advanced and practical dry iron core three-phase integrated series reactor is adopted, so that the power supply reliability can be improved, and the workload of maintenance of workers in the high altitude anoxic area is reduced.
Claims (3)
1. The utility model provides a high altitude transformer substation parallel capacitor and series reactance arrangement structure, includes parallel capacitor complete set device and series reactor, its characterized in that: the parallel capacitor kit comprises: the isolating switch is connected with the series reactor through a copper bus, the series reactor is connected with the capacitor through the copper bus and a post insulator, the capacitor is connected with the oil immersed type full-sealed discharge coil through the copper bus, and simultaneously the capacitor is respectively connected with the zinc oxide arrester and the current transformer through flexible wires,
the arrangement mode of the series reactor is a dry iron core three-phase integrated body.
2. A high altitude substation parallel capacitor and series reactance arrangement as claimed in claim 1, characterized in that said parallel capacitor package is a 35KV indoor frame-type parallel capacitor package.
3. The high-altitude substation parallel capacitor and series reactance arrangement structure of claim 2, characterized in that said isolating switch comprises a mounting plate, a movable plate slidably disposed on the mounting plate, a fixed contact disposed on the mounting plate, a movable contact disposed on the movable plate, a rotating shaft disposed on the underside of the movable plate, a gear disposed on the end of the rotating shaft, a rack fixed on the mounting plate and engaged with the gear, a crank arm disposed on the front side of the gear of the end of the rotating shaft, and a control rod rotatably connected to the crank arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020317249.6U CN211456707U (en) | 2020-03-13 | 2020-03-13 | High-altitude transformer substation parallel capacitor and series reactance arrangement structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020317249.6U CN211456707U (en) | 2020-03-13 | 2020-03-13 | High-altitude transformer substation parallel capacitor and series reactance arrangement structure |
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| CN211456707U true CN211456707U (en) | 2020-09-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112802687A (en) * | 2020-12-30 | 2021-05-14 | 中铁第一勘察设计院集团有限公司 | High-altitude power capacitor device |
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2020
- 2020-03-13 CN CN202020317249.6U patent/CN211456707U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112802687A (en) * | 2020-12-30 | 2021-05-14 | 中铁第一勘察设计院集团有限公司 | High-altitude power capacitor device |
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