CN103887799A - Series compensation system - Google Patents
Series compensation system Download PDFInfo
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- CN103887799A CN103887799A CN201410068616.2A CN201410068616A CN103887799A CN 103887799 A CN103887799 A CN 103887799A CN 201410068616 A CN201410068616 A CN 201410068616A CN 103887799 A CN103887799 A CN 103887799A
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Abstract
The application relates to the field of electric power design and discloses a series compensation system which comprises two groups of line frameworks and a series compensation device, wherein the two groups of line frameworks are respectively used as an incoming line framework and an outgoing line framework, at least one group of line frameworks in the two groups of line frameworks is a wiring framework of a line iron tower type, the wiring framework of the line iron tower type comprises a supporting main body and suspension devices arranged on the supporting main body, the supporting main body is of the line iron tower type, and incoming and outgoing lines of corresponding phases are suspended on the suspension devices; the series compensation devices are arranged between the corresponding inlet wire framework and the corresponding outlet wire framework and are respectively connected with the inlet wires and the outlet wires of the corresponding phases in a one-to-one correspondence mode. Through the series compensation system of this application, owing to replaced portal frame among the prior art through the wiring framework of circuit iron tower type, and relative portal frame, circuit iron tower type area still less can effectively reduce area, practices thrift land resource.
Description
Technical field
The present invention relates to Electric Design field, particularly relate to a kind of series compensation system.
Background technology
Along with the growth of national economy, domestic extra-high-voltage alternating current electrical network enters the Large-scale programming construction period, and 1000kV transformer station builds and puts into operation successively in a large number, thereby the transmission capacity of electrical network and stable type level have also had larger demand.
In order to improve transmission capacity and the stable type level of electrical network, a kind of series compensation device is disclosed in prior art.Described series compensation device is connected in transmission line; formed by the equipment such as capacitor and protection, control; for a kind of, for the device of compensated line induction reactance, described series compensation device can be built or arrange separately string jointly and mend station with transformer station, to ensure transmission capacity and the stable type level of electrical network.Wherein, conventionally by the series compensation device being connected in 1000kV transmission line, be called 1000kV series compensation device.At present, the conventional arrangement of series compensation device, is generally to adopt door type framework to set up line, and described line is arranged in parallel, then outside described series compensation device is arranged online or under line.
But inventor finds in the application's research process, while adopting mode in prior art to realize the layout to series compensation device, the land area that need to occupy is larger, and then makes the floor space of transformer station's entirety larger.
Summary of the invention
In view of this, the object of the invention is to solve in prior art, while realizing the layout of series compensation device, the land area that need to occupy is larger, and then makes the larger problem of floor space of transformer station's entirety, and specific embodiments is as follows:
A kind of series compensation system, described series compensation system comprises: two groups of circuit frameworks and series compensation device, described two groups of circuit frameworks are respectively as inlet wire framework and outlet structure,
Wherein, in described two groups of circuit frameworks, having one group at least is the wiring framework of line steel tower type, the wiring framework of described line steel tower type comprises: supportive body and be arranged on each suspension arrangement on described supportive body, wherein, described supportive body is line steel tower type, is hung with respectively the line of respective phase on described each suspension arrangement;
Described series compensation device is arranged between the described inlet wire framework and outlet structure corresponding with itself, and connects one to one with the line of described respective phase respectively.
Preferably, the wiring framework of described line steel tower type is single tower structure, and the both sides of described single tower structure respectively connect one back into outlet, and the phase sequence of both sides line is identical.
Preferably,
When in described two groups of circuit frameworks, while having one group to be the wiring framework of line steel tower type, another group circuit framework is Π type framework.
Preferably,
Described suspension arrangement is insulator string.
Preferably, described series compensation device comprises:
Series capacitor, lightning arrester, discharging gap, bypass breaker, auxiliary circuit breaker, damping element, auxiliary equipment and insulated platform.
Preferably,
Described insulated platform is one or more.
Preferably, other lightning arrester, isolating switch and the voltage transformer of being provided with of described series compensation device.
In the disclosed series compensation system of the application, comprise two groups of circuit frameworks and series compensation device, two groups of circuit frameworks are respectively as inlet wire framework and outlet structure, in wherein said two groups of circuit frameworks, having one group at least is the wiring framework of line steel tower type, to replace the door type framework existing in prior art, the wiring framework of wherein said line steel tower type is by the supportive body of line steel tower type, and the suspension arrangement that is hung with the line of respective phase forms; And described series compensation device connects one to one with the line of described respective phase respectively, be arranged between the described inlet wire framework and outlet structure corresponding with itself.
By the application's series compensation system, in improving stability of power system, increasing circuit transmission capacity, because the wiring framework by line steel tower type has replaced door type framework in prior art, and phase opposite house type framework, described line steel tower type floor space still less, can effectively reduce floor space, economize the land resource.
In addition, the wiring framework of described line steel tower type is with respect to door type framework of the prior art, and still less, therefore the series compensation system in the application has effectively been saved steel using amount to steel using amount, has reduced construction investment.
And, on each suspension arrangement of the wiring framework of described line steel tower type, hang respectively the line of respective phase, simultaneously, described series compensation device connects one to one with the line of respective phase respectively, thereby can avoid the series compensation platform interlaced arrangement of corresponding each phase place of installing on the line of out of phase, between line for each phase place, each line and string are mended the normal operation maintenance between compensation arrangement, advantage has been created in maintenance, often all do not have influence on the normal operation on this loop line road or another loop line road back into the repair and maintenance of series compensation device corresponding to outlet or line, loss of outage while having reduced described series compensation device maintenance, save construction investment.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the electrical principle wiring schematic diagram of the disclosed a kind of series compensation system of the embodiment of the present invention;
Fig. 2 is the floor map of the disclosed a kind of series compensation system of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
In order to solve in prior art, in the time arranging series compensation device, the land area occupying is larger, makes the larger problem of floor space of transformer station's entirety, and the application discloses a kind of series compensation system.
The electrical principle wiring schematic diagram of series compensation system shown in Figure 1, and the floor map of the series compensation system shown in Fig. 2, the disclosed series compensation system of the application comprises: two groups of circuit frameworks 1 and series compensation device 2, described two groups of circuit frameworks are respectively as inlet wire framework and outlet structure.
Wherein, in described two groups of circuit frameworks, having one group at least is the wiring framework of line steel tower type, the wiring framework of described line steel tower type comprises: supportive body and be arranged on each suspension arrangement on described supportive body, wherein, described supportive body is line steel tower type, is hung with respectively the line of respective phase on described each suspension arrangement;
Described series compensation device 2 is arranged between the described inlet wire framework and outlet structure corresponding with itself, and connects one to one with the line of described respective phase respectively.
Wherein, on the wiring framework of described line steel tower type, be generally insulator string for the suspension arrangement that hangs line, as strain insulator string.Described insulator string is for to be combined by two or more insulator elements, for the assembly of flexible suspension wire.
In addition, staggered for fear of the line of out of phase, the disclosed suspension arrangement of the application is conventionally corresponding with the phase place of described line, realizes the phase-splitting layout of the line to described each phase place.
And described series compensation device is corresponding with the line of each phase place, and the line corresponding with it is connected respectively, and for example, the A that A phase conductor is corresponding with it device that is in series is connected.For example, the floor map of series compensation system shown in Figure 2, described A phase conductor is connected with first tandem arrangement of the right, this tandem arrangement is the A device that is in series, accordingly, second tandem arrangement is the B device that is in series, and the 3rd tandem arrangement is the C device that is in series.
In the disclosed series compensation system of the application, comprise two groups of circuit frameworks and series compensation device, what in wherein said two groups of circuit frameworks, have one group of employing at least is the wiring framework of line steel tower type, to replace the door type framework existing in prior art, the wiring framework of wherein said line steel tower type is by the supportive body of line steel tower type, and the suspension arrangement that is hung with respective phase forms; And described series compensation device connects one to one with the line of described respective phase respectively, be arranged between the described inlet wire framework and outlet structure corresponding with itself.
By the application's series compensation system, in improving stability of power system, increasing circuit transmission capacity, because the wiring framework by line steel tower type has replaced door type framework in prior art, and phase opposite house type framework, described line steel tower type floor space still less, can effectively reduce floor space, economize the land resource.
In addition, the wiring framework of described line steel tower type is with respect to door type framework of the prior art, and still less, therefore the series compensation system in the application has effectively been saved steel using amount to steel using amount, has reduced construction investment.
And, on each suspension arrangement of the wiring framework of described line steel tower type, hang respectively the line of respective phase, simultaneously, described series compensation device connects one to one with the line of respective phase respectively, thereby can avoid the series compensation platform interlaced arrangement of corresponding each phase place of installing on the line of out of phase, between line for each phase place, each line and string are mended the normal operation maintenance between compensation arrangement, advantage has been created in maintenance, often all do not have influence on the normal operation on this loop line road or another loop line road back into the repair and maintenance of series compensation device corresponding to outlet or line, loss of outage while having reduced described series compensation device maintenance, save construction investment.
In the disclosed series compensation system of the application, the line of each phase place is horizontally on the wiring framework of described line steel tower type, be beneficial to series compensation device corresponding to the line of out of phase carried out to rationalization partition, in addition, the wiring framework of the line steel tower type that the application adopts is and similarly tower of circuit specialty, thereby can coordinate more in phase with circuit, reduce the gross investment of project of transmitting and converting electricity.And this mode of connection is more succinct, can save preferably gold utensil and wire investment.And, adopt this kind of mode of connection, can be according to transformer station, or string mends the actual conditions at station, each building is arranged in to the below of line, takes up an area without newly-increased, further saved land resource.
Further, the wiring framework of described line steel tower type is single tower structure, and the both sides of described single tower structure respectively connect one back into outlet, and the phase sequence of both sides line is identical.
Further, when in described two groups of circuit frameworks, while having one group to be the wiring framework of line steel tower type, another group circuit framework is Π type framework.
Wherein, described Π type framework both can be used as inlet wire framework, also can be used as outlet structure, and the application does not limit this.Adopt Π type framework, the line of can equilibrium arranging, and the steel using amount of described Π type framework and floor space are also less than the door type framework that prior art adopts, can Saving steel amount, reduces floor space.
Further, described series compensation device comprises: series capacitor, lightning arrester, discharging gap, bypass breaker, auxiliary circuit breaker, damping element, auxiliary equipment and insulated platform.By described series compensation device, can compensate the induction reactance in transmission line, improve transmission capacity and the stable type level of electrical network.
Wherein, described insulated platform is one or more.According to different application demands, can arrange the quantity of described insulated platform, the application does not limit this.
Further, in the disclosed series compensation system of the application, other lightning arrester, isolating switch and the voltage transformer of being provided with of described series compensation device.Referring to the schematic diagram of Fig. 1 to Fig. 2, each several part device is respectively in series compensation system: the first isolating switch 3, the first lightning arrester 4, voltage transformer 5, the second isolating switch 6 and the second lightning arrester 7.
Wherein, described the first lightning arrester 4 and described the second lightning arrester 7 can be used in protection electrical equipment and avoid the harm of instantaneous voltage, and can block afterflow; Described the first isolating switch 3 and the second isolating switch 6 are for playing buffer action at circuit; Described voltage transformer 5 for high voltage in proportion relation transformation become 100V or more low-grade standard secondary voltage, take for protection, metering, metering device, and high voltage can be isolated with electrician.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410068616.2A CN103887799B (en) | 2014-02-25 | 2014-02-25 | Series compensation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410068616.2A CN103887799B (en) | 2014-02-25 | 2014-02-25 | Series compensation system |
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| CN103887799A true CN103887799A (en) | 2014-06-25 |
| CN103887799B CN103887799B (en) | 2016-05-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494760A (en) * | 2018-12-29 | 2019-03-19 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of route of 750kV series compensation power distribution equipment draws binding structure |
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| WO2013163660A1 (en) * | 2012-04-27 | 2013-10-31 | AEP Transmission Holding Company, LLC | High-capacity/efficiency transmission line design |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494760A (en) * | 2018-12-29 | 2019-03-19 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of route of 750kV series compensation power distribution equipment draws binding structure |
| CN109494760B (en) * | 2018-12-29 | 2024-03-26 | 中国电力工程顾问集团西北电力设计院有限公司 | Line guiding structure of 750kV series compensation power distribution device |
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| CN103887799B (en) | 2016-05-11 |
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Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: CHINA POWER ENGINEERING CONSULTING (GROUP) CORPORATION Applicant after: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Applicant after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP Applicant after: Co., Ltd of Northeastern Electric Power Design Institute, China Power Engineering Consulting Group Corporation Applicant after: Co., Ltd of Huabei Power Design Inst., China Power Engineering Consulting Group Applicant after: Co., Ltd of Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Corporation Applicant after: China Power Engineering Consulting Group Southwest Electric Power Design Institute Co., Ltd. Applicant after: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: China Power Engineering Consulting Group Corporation Applicant before: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Applicant before: Northwest Electric Power Design Institute, China Power Engineering Consulting Group Corporation Applicant before: Northeastern Electric Power Design Institute, China Power Engineering Consulting Group Corporation Applicant before: Huabei Power Design Inst., China Power Engineering Consulting Group Applicant before: Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Cor Applicant before: Southwest Electric Power Design Institute of China Power Engineering Consulting Group Corporation Applicant before: North China Electric Power Design Institute of China Power Engineering Consulting Group Corporation |
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