CN104917131A - Terminal tower wire incoming/outgoing interval arrangement structure - Google Patents
Terminal tower wire incoming/outgoing interval arrangement structure Download PDFInfo
- Publication number
- CN104917131A CN104917131A CN201510347129.4A CN201510347129A CN104917131A CN 104917131 A CN104917131 A CN 104917131A CN 201510347129 A CN201510347129 A CN 201510347129A CN 104917131 A CN104917131 A CN 104917131A
- Authority
- CN
- China
- Prior art keywords
- tower
- entry
- terminal tower
- transformer
- station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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[Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 239000004411 aluminium Substances 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 12
- 238000010276 construction Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 241000168254 Siro Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts, or towers
Abstract
The present invention discloses a terminal tower wire incoming/outgoing interval arrangement structure. The structure comprises a terminal tower and wire incoming/outgoing interval equipment of a substation, wherein the incoming/outgoing interval equipment of the substation is sequentially arrayed on three side faces of the terminal tower body in a phase splitting manner and along the tower body height direction of the terminal tower; and the incoming/outgoing interval equipment of the substation is connected with a bus bar in the substation by means of a steel cored aluminum stranded wire. By adopting the structure disclosed by the present invention, the required floor space of the wire incoming/outgoing interval in the substation can be largely saved, thereby reducing civil engineering construction quantity and project cost of civil construction in the substation .
Description
Technical field
The present invention relates to a kind of laying framework of transformer station's line interval, particularly a kind of terminal tower line interval arrangement.
Background technology
In electric power system, transformer station is made up of some compact siro spinning technology, the part with some common function.Such as: inlet wire or the switchgear between outlet and bus; Switchgear relevant between the bus connection device be made up of circuit breaker, isolation switch and grounding switch, transformer electric pressure bus different from two.
By a circuit breaker and relevant device composition virtual space, interval concept is also applicable to the configuration of the transformer station such as breaker connection and ring-like bus.These parts form electrical network shielded subdivision, such as one end of a transformer or a circuit, and the control of corresponding switchgear, has the constraints that some is common, as interlocking or the well-defined sequence of operation.
The identification of these parts is distinguished for overhauling (which part disconnects affects minimum on transformer station's remainder) or expansion plan (if increase a new line, which partly must increase) simultaneously extremely important.Therefore, these parts are called interval, and are referred to as the device management of " interval controller " by those, and are furnished with assembly protection, are commonly called as " interval protection ".
Electrical separation in transformer station refers to a complete loop, containing circuit breaker, isolating switch, instrument transformer, lightning arrester etc.All electric units with perfect in shape and function are called an interval, as line interval, bus equipment interval (inlet wire interval/outgoing line interval, this is relative, refer to transformer station in other transformer stations by connection to the interval on bus).
The entry/exit line spacing devices (containing circuit breaker, isolating switch, instrument transformer, lightning arrester etc.) of tradition transformer station is arranged in station on ground, and then is connected with terminal tower through steel reinforced aluminium conductor.
But these line spacing devices often will occupy floor area in certain station.And the increase of floor space, often bring no small project cost.
Therefore, be necessary to research and develop a kind of layout saving transformer station's line spacer area, and then save the line interleaving pattern of civil engineering quantities and project cost in transformer station.
Summary of the invention
Because the above-mentioned defect of prior art, the invention provides a kind of terminal tower line interval arrangement saving transformer station's floor space, its feature is, it comprises: the entry/exit line spacing devices of terminal tower and transformer station, the entry/exit line spacing devices of described transformer station is sequentially arranged on three sides of described tower body along the tower body short transverse of terminal tower, phase-splitting, and the entry/exit line spacing devices of described transformer station is connected by steel reinforced aluminium conductor with between bus in station; The entry/exit line spacing devices of described transformer station comprises the lightning arrester, voltage transformer, isolating switch, current transformer, the circuit breaker that are electrically connected successively, described lightning arrester is electrically connected with the terminal tower downlead of described terminal tower, and the lead-out wire of described circuit breaker accesses bus in described station through interior isolating switch of standing.The order of connection of the entry/exit line spacing devices of the transformer station in the present embodiment is identical with the order of connection of traditional entry/exit line spacing devices.
In the present embodiment, the arbitrary equipment in the entry/exit line spacing devices between the interior bus of terminal tower downlead and station, such as circuit breaker or isolating switch break down, then can directly trip.Therefore, all kinds of protection is played a part.
In certain embodiments, be connected by steel reinforced aluminium conductor between described entry/exit line spacing devices.
In certain embodiments, described entry/exit line spacing devices is connected by steel reinforced aluminium conductor with bus in described station.
On the basis meeting this area general knowledge, above-mentioned each optimum condition, can combination in any, obtains each preferred embodiment of the present invention.
Beneficial effect of the present invention: adopt the present invention, if transformer station adopts line change group form (i.e. line-transformer unit wiring), then need to arrange transformer and one group of isolating switch (actual be omitted a line change group interval except transformer side isolating switch) in station.If transformer station is provided with bus, then only need leave in station transformer, transformer inlet wire interval and, bus PT interval (be exactly the interval of the voltage transformer that installation and bus are connected, voltage nearly all in transformer station is all gathered by PT interval) and the bus bar side isolating switch in order to be connected with described entry/exit line spacing devices).Therefore, the present invention utilizes the longitudinal transformer station's line spacing devices of arranging of terminal tower, significantly saves the floor space needed for transformer station's entry/exit line interval.And then save civil engineering quantities and project cost in transformer station.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is terminal tower entry/exit line interval of the present invention arrangement schematic diagram.
Description of reference numerals: terminal tower 1, tower body 10, entry/exit line spacing devices 2, voltage transformer 21, lightning arrester 22, isolating switch 23, current transformer 24, circuit breaker 25, steel reinforced aluminium conductor 3, terminal tower downlead 4
Embodiment
Enumerate preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the present invention to be described.
Embodiment
The object of the invention is to be achieved through the following technical solutions: as shown in Figure 1, entry/exit line interval floor space used is maked somebody a mere figurehead in order to save transformer station, the present embodiment provides a kind of terminal tower line interval arrangement: under the condition meeting outdoor electrical equipment safety net distance, the entry/exit line spacing devices 2 of transformer station is arranged on three sides of the tower body 10 of terminal tower 1 along the short transverse (namely longitudinally) of tower body (tower body of terminal tower is approximate rectangular pyramid shape, therefore four sides are had, described entry/exit line interval is arranged on three sides of substation bus bar), entry/exit line spacing devices 2 is that phase-splitting is arranged on three sides of the tower body 10 of terminal tower 1 according to the order of sequence.
The entry/exit line spacing devices 2 of transformer station can adopt entry/exit line spacing devices commonly known in the art, such as, can be the electric equipment of the carrying big current comprising voltage transformer-lightning arrester-isolating switch-current transformer-circuit breaker etc.
The present embodiment adopt be built on stilts entry/exit line alternate form line installing framework.
As shown in Figure 1, the entry/exit line spacing devices 2 of the present embodiment order of placement on tower body is identical with the laying order of traditional transformer station entry/exit line spacing devices, that is: bus (line change group interval is then interior isolating switch-transformer of standing) in isolating switch in terminal tower downlead 4-voltage transformer 21-lightning arrester 22-isolating switch 23-current transformer 24-circuit breaker 25-stand-stand.Wherein, the lead-out wire of circuit breaker is connected with bus (not shown) in station after isolating switch (not shown) in steel reinforced aluminium conductor access station, then, interior bus (not shown) of standing is connected (not shown) by main transformer interval with the transformer of transformer station again.
Wherein, between the entry/exit line spacing devices that tower body is arranged, adopt steel reinforced aluminium conductor 3 to connect, entry/exit line spacing devices also adopts steel reinforced aluminium conductor 3 to be connected with isolating switch (transformer) in station.
Comparing traditional transformer station entry/exit line spacing devices is arranged on interior ground, station, be connected with terminal tower through steel reinforced aluminium conductor, the present invention utilizes terminal tower tower body to arrange transformer station's line spacing devices, therefore significantly save the floor space needed for transformer station's entry/exit line interval, namely greatly save the floor space of transformer station.
More than describe each preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical staff in the art, all should by the determined protection range of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (3)
1. a terminal tower line interval arrangement, it is characterized in that, it comprises: the entry/exit line spacing devices of terminal tower and transformer station, the entry/exit line spacing devices of described transformer station is sequentially arranged on three sides of described tower body along the tower body short transverse of terminal tower, phase-splitting, and the entry/exit line spacing devices of described transformer station is connected by steel reinforced aluminium conductor with between bus in station; The entry/exit line spacing devices of described transformer station comprises the lightning arrester, voltage transformer, isolating switch, current transformer, the circuit breaker that are electrically connected successively, described lightning arrester is electrically connected with the terminal tower downlead of described terminal tower, and the lead-out wire of described circuit breaker accesses bus in described station through interior isolating switch of standing.
2. terminal tower line interval as claimed in claim 1 arrangement, is characterized in that, is connected between described entry/exit line spacing devices by steel reinforced aluminium conductor.
3. terminal tower line interval as claimed in claim 1 arrangement, it is characterized in that, described entry/exit line spacing devices is connected by steel reinforced aluminium conductor with bus in described station.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510347129.4A CN104917131B (en) | 2015-06-19 | 2015-06-19 | Terminal tower line arranged for interval structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510347129.4A CN104917131B (en) | 2015-06-19 | 2015-06-19 | Terminal tower line arranged for interval structure |
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| CN104917131A true CN104917131A (en) | 2015-09-16 |
| CN104917131B CN104917131B (en) | 2017-03-29 |
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| CN201510347129.4A Active CN104917131B (en) | 2015-06-19 | 2015-06-19 | Terminal tower line arranged for interval structure |
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| CN203722220U (en) * | 2014-02-26 | 2014-07-16 | 国家电网公司 | Distribution-network-line entrance-and-exit-line protection system for transformer substation |
| CN203839722U (en) * | 2014-05-29 | 2014-09-17 | 国家电网公司 | 220kV transformer station of indoor GIS overhear outlet cable |
| CN104295147A (en) * | 2014-10-21 | 2015-01-21 | 中国电力工程顾问集团西北电力设计院 | Framework applicable to transformer substation outgoing lines |
| CN204720935U (en) * | 2015-06-19 | 2015-10-21 | 上海电力设计院有限公司 | Terminal tower line interval arrangement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH02262809A (en) * | 1989-04-03 | 1990-10-25 | Toshiba Corp | Collective substation |
| CN101692545A (en) * | 2009-09-08 | 2010-04-07 | 国网电力科学研究院 | Vertically grounding down-leading method for internal side of composite material tower and tower thereof |
| CN201699339U (en) * | 2009-12-25 | 2011-01-05 | 乐山晟嘉电气有限公司 | Movable transformer station for tower cranes |
| CN103199473A (en) * | 2013-04-25 | 2013-07-10 | 国家电网公司 | Entering system from terminal tower to transformer substation |
| CN203301016U (en) * | 2013-06-28 | 2013-11-20 | 大唐定边风力发电有限责任公司 | Outdoor box type substation |
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| CN204720935U (en) * | 2015-06-19 | 2015-10-21 | 上海电力设计院有限公司 | Terminal tower line interval arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104917131B (en) | 2017-03-29 |
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