CN1065987C - Gas insulated bus with branch - Google Patents

Gas insulated bus with branch Download PDF

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Publication number
CN1065987C
CN1065987C CN97122789A CN97122789A CN1065987C CN 1065987 C CN1065987 C CN 1065987C CN 97122789 A CN97122789 A CN 97122789A CN 97122789 A CN97122789 A CN 97122789A CN 1065987 C CN1065987 C CN 1065987C
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CN
China
Prior art keywords
container
conductor
plane
phase
gas insulated
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Expired - Fee Related
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CN97122789A
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Chinese (zh)
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CN1183663A (en
Inventor
田中丰一
铃木德雄
井波义昭
石田幸靖
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Hitachi Ltd
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Hitachi Ltd
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Publication of CN1183663A publication Critical patent/CN1183663A/en
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Publication of CN1065987C publication Critical patent/CN1065987C/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G5/00Installations of bus-bars
    • H02G5/06Totally-enclosed installations, e.g. in metal casings
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G5/00Installations of bus-bars
    • H02G5/10Cooling

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Installation Of Bus-Bars (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

The invention provides a kind of gaseous insulation switch which can make the T-type branch transmission line standardized and in common use and make the cross-type branch be possible. The size of insulated spacer can be reduced and the spacer can be used to support fixed three-phase conductor. So, the invention can simplify the transmission line assembly operation and the container structure and make a common and cheap gaseous insulation switch. The invention is to improve the construction of the first three-phase conductor in the transmission line container and the second three-phase conductor in the branch container which is separated from the transmission line container. To speak more specifically, by arranging the first three-phase conductor as linear and in parallel; and making the plane allocated for the second three-phase conductor vertical to the plane of the first three-phase conductor and on the plane as almost horizontal to the vertical central axis, or in parallel arrangement for the first three-phase conductor plane to be symmetrical to the central axis.To achieve the standardization and the common use of T-branched bus and to make it possible to achieve the cross-shaped branching, by arranging three-phase conductors straight and in parallel in side a grounding metal container. A bus container (grounding metal container) 1 and a T-branched container 4 are connected. An insulating spacer 8 is provided at a flange 21, which is attached to the end part of the T-branched container 4. A breaker is connected through a tulip-shaped contact 9 arranged at the outside. Then, three-phase conductors 2 are arranged in parallel in the straight-line pattern in the longitudinal direction. In the T-branched container 4, the connecting lines T-branched from the conductors 2 are arranged in the T-branched container 4.

Description

Gas insulated bus with branched line
The present invention relates to a kind of gas insulated bus, particularly relate to the bus-bars conductor that is contained in the insulation gas filled grounding container and the structural arrangements of the branched line conductor of drawing by bus-bars conductor branch with branched line.
Conventional three-phase, gas insulated bus a kind of typical structure wherein is as described below.
3 concrete configurations as two buss lines are in the bus container at cylindrical grounded metal container, configuration mode is for when along vertically the watching of conductor, the space that is limited by three conductors or the cross section triangularity of scope (for example reference number is that the Japan Patent of the bulletin of JP-A56-132107 and 55-139010 discloses).For convenience, this hereinafter three conductor arrangement will be called triangular arrangement.
According to this bus, power circuit is drawn by branch as follows.On the bus container with it vertical fixing the branched line container is arranged, at this internal tank three-phase branched line conductor by triangular arrangement.
Three-phase branched line conductor is electrically connected in the three-phase bus conductor corresponding one respectively and goes up mutually.Because by triangular arrangement, the structure of drawing branched line is quite complicated in bus container and branched line container for each conductor.
In the gas insulated bus that has according to three conductors of triangular arrangement, as described below as mentioned above for three conductors in the container that is bearing in ground connection, mainly utilize two kinds of structures.
A kind of according to wherein utilizes insulation supporter element separate support three-phase conductor (consulting JP-A2-114813 and JP5-244710) separately.By another kind of, for all three conductors of supporting in aggregates and be sealed in the insulating gas that is filled with in the container, adopt the disc insulator spacer (consulting JP-A60-2013) that is fixed on container one end.
Utilizing as mentioned above separately independently under the situation of insulation supporter element, by regulating the height of each insulation component, 3 conductors can dispose by mode parallel to each other.In addition, height that also will be by regulating insulation component for along container longitudinally each to make mutually each conductor apart from the distance of the inwall of the container of ground connection promptly over the ground insulation distance keep equating.
According to said structure, in order to assemble the bus that has branched line and the height of the many insulation components of quantity to be regulated, this is a trouble and consuming time very.
In addition, to must be provided with suitable fixed pedestal at internal tank for the mounting support insulation component.Therefore, the inside structure of container becomes very complicated.
Because by triangular arrangement, they only can draw branched line along vertical one of them the left or right direction with respect to conductor to the three-phase bus conductor in bus container.Promptly drawing branched line by bus-bars conductor towards both direction in same point, promptly to form criss-cross branched line be very difficult.
On the other hand, in above-mentioned JP-A60-2013, the diameter of disc insulator spacer is equal to or greater than the aperture in the container.Therefore, there is following risk.
Tend to that mechanical stress is acted on and have on the insulator spacer of such high surface area, this is because have no small gas pressure difference between two containers that separated by insulator spacer.In addition, if big like this separator is made by epoxy resin, in this separator, may contain for example space of defectiveness.This defective can cause electric field stress.
Also known have a kind of gas insulated bus, and three-phase conductor is configured in container in the single perpendicular and (for example consults JP-A58-63016 and 58-63017).In addition, also known a kind of gas insulated bus, wherein the insulator spacer of duty runway shape is so that support all three-phase conductors (for example consulting JP-A59-165907,60-9314 and 60-9315) regularly.Yet there is above-mentioned identical problem in these conventional gas insulated bus.
In addition, also known a kind of three-phase, gas insulated bus that has the branched line isolating switch discloses body as the Japanese Utility Model at JP-A60-59717.In this technology formerly, in first horizontal plane of three-phase bus conductor arrangement in bus container, the three-phase branched line conductor arrangement of being drawn by bus-bars conductor branch is in second plane of the relative first plane inclination certain angle in the branched line container of being drawn by bus container branch.
Yet, utilize this structure can not or to be difficult to receive the isolating switch actuating structure of every phase same type in the branched line container contents.This be since in space that the branched line internal tank limits by each branch conductors of certain angle of inclination configuration or the formation of scope be limited in this branched line container contents and receive the operating mechanism of three-phase isolation switch.
The purpose of this invention is to provide a kind of gas insulated bus with branched line, wherein each element for the part of the branched line in gas insulated bus all is standardized, and can form criss-cross branched line in gas isolated bus.
Another object of the present invention is by dwindling insulator spacer and utilizing this insulator spacer supporting three-phase conductor that dwindles that the gas insulated bus of a kind of compactness, low cost is provided, therefore, be used in container simple in structure of branched line, can be easy to assemble gas insulated bus with branched line.
According to feature of the present invention, a kind of gas insulated bus with branched line has: three-phase first conductor parallel to each otherly is configured in first plane and is contained in first container; And three-phase second conductor, be electrically connected on first conductor, parallel to each otherly be configured in second plane and be contained in second container of drawing by the first container branch, wherein first plane and second plane are perpendicular to one another, and second plane parallel is in first conductor.
First and second containers are to constitute according to a kind of container of hermetic seal, are filled with SF6 gas, and first and second containers comprise the flange that is contained at least on first and second containers, one end; And insulator spacer, be fixed on the flange, be used to support first and second conductors.
The bonding conductor that second conductor 5 is drawn by first conductor branch respectively and be contained in bonding conductor isolating switch midway and be in series, the mechanism that wherein is used for the disconnecting switch operation blade also is contained in second container of sealing.
As the insulator spacer that is used to support first or second conductor, adopt the separator of runway shape.
Fig. 1 represents the sectional drawing of gas insulated bus according to an embodiment of the invention, along the branched line that vertically has a T shape of this bus;
Fig. 2 is the sectional drawing of the gas insulated bus that intercepted along the section line II-II among Fig. 1;
Fig. 3 is the sectional drawing of the gas insulated bus that intercepted along the section line III-III among Fig. 1;
Fig. 4 represents the view watched by the right-hand side of the gas insulated bus shown in Fig. 1;
Fig. 5 is for the ease of understanding the schematic diagram of correlation between each plane that wherein disposes bus-bars conductor and branched line conductor.
As shown in Figure 1, in the gas insulated bus with T-branch circuit, an end of bus container (canister of ground connection) 1 and T-branch circuit container 4 is connected to each other.In addition, though accompanying drawing median generatrix container 1 has circular cross-section, can have for example shapes such as rectangle, runway shape, ellipse.
The other end of branched line container 4 is equipped with and utilizes for example flange 21 that is fixed to the upper of bolt (not shown) of fixture.Flange 21 heart therein has a hole, and the shape in hole wishes to be runway shape.For example utilize the bolt (not shown) that insulator spacer 8 is fixed on the flange 21, make separator 8 seal this hole.Therefore, wish that also the shape of separator 8 is runway shape, similar to the shape in this hole but compare big slightly.
As shown in Fig. 2 and 3, termination flange 22 is fixed to a wherein end of bus container 1.Similar with the situation of flange 21, termination flange 22 is the heart hole that also has a runway shape therein, by insulator spacer 10 sealings.The other end of bus container 1 has almost identical with its this end structure.Promptly the other end opposite with this end of bus container utilize fixture for example the bolt (not shown) will to have a termination flange 23 of runway shape hole and insulator spacer 12 fixing.The airtight container of Gou Chenging fills with SF like this 6Insulating gas.
Three-phase bus conductor 2 is configured in the bus container 1 in mode parallel to each other and that be included in the same plane.They are configured in the perpendicular of the diameter that comprises cylindrical bus container 1 in Fig. 1.
The insulator spacer 10 that one end utilization of bus-bars conductor 2 installs on the flange 22 supports (Fig. 2 and Fig. 3) regularly.The other end of bus-bars conductor 2 is connected with the conductor that is fixed to insulator spacer 12 supportings on the flange 23 by utilization through being called as funnel type (tulip) contact 11.
The formation that is the other end of bus-bars conductor 2 makes when two bus containers connections, is contained on the corresponding bus lines conductor that bus-bars conductor in one of them bus container utilizes the funnel type contact automatically to be connected to be contained in the contiguous bus container.
Should note following introduction about configuration at the conductor of internal tank.
Aforesaid mode promptly three conductors will to be configured in the single plane be for relatively.Be that this not only means such a case and promptly wherein is in the same plane on 3 conductor stricti jurises, and refer to that promptly wherein even they are not that strictness is in the same plane to such a case, comparing with above-mentioned triangular arrangement, they can be thought and are in the same plane.
If the branched line conductor disposes in the mode identical with bus-bars conductor, can generally have the insulator spacer of same type and same size for insulator spacer 8,10,12.In addition, if as shown in Figure 4, insulator spacer 8,10 be shaped as runway shape, the insulation distance of the inner surface of the container from each conductor to ground connection is equated.
Bonding conductor 15 is electrically connected on the bus-bars conductor 2.Each bonding conductor 15 constitutes suitable shape, so that the other end that its link with bus-bars conductor 2 is opposite places in the plane of being scheduled to.The plane that should be predetermined and the plane at bus-bars conductor 2 places are perpendicular.Below explain in detail relation between these two planes.That opposite end of bonding conductor 15 is connected on the blade 3 in the isolating switch 3.
In the embodiment shown, configuration isolation switch like this, promptly rotating blade 3 is located at insulator spacer 8 these sides, and stationary conductor is in that side of bonding conductor that is connected on the three-phase bus conductor 2, by rotating this pivot link 7 operation rotating blades 3.
Rotating blade 3 has following 3 positions.When connecting rod 7 is in the position 1. the time, blade 3 contact with stationary conductor (connection).When 1. connecting rod 7 rotates 45 ° and in-position 2. the time by the position, blade 3 disengages (disconnection) with stationary conductor.When 2. connecting rod 7 is further rotated apart from the position 45 ° and in-position 3. the time, blade 3 earthing device 5 interior with being located at branched line container 4 (ground connection) contacts.
Point out in passing, when considering ground connection or other reason, wish very much earthed switch 5 is contained in as shown in Figure 1 position promptly at the downside of branched line container 4.Therefore, wish the operating mechanism of isolating switch is located at the position shown in the figure, blade 3 moves by mode shown in the figure.Correspondingly, wish very much with the branched line conductor place with the perpendicular horizontal plane of the perpendicular that wherein disposes bus-bars conductor in.
The end that is fixed to the isolating switch on the separator 8 is connected on the funnel type contact 9, and this contact 9 for example is connected on the circuit-breaker (not shown) again.
Consult Fig. 5 below, the relation between each plane that wherein disposes bus-bars conductor and branched line conductor in the above-described embodiments is introduced.
First plane of bus-bars conductor 2 is represented wherein to be equipped with in the plane that surrounds with any chain-dotted line in Fig. 5.The plane that surrounds with 2 chain-dotted line is second plane that wherein is equipped with the branched line conductor in the drawings, and first plane is vertical, and second plane is a level.Therefore, these two planes are perpendicular to one another.In addition, second plane is parallel with each bus-bars conductor 2.
In this embodiment, because three-phase bus conductor 2 in bus container 1 is configured in the perpendicular that comprises the longitudinal centre line in the bus container 1, can be easy to the right or each direction on a left side is drawn from the T-branch circuit of bus-bars conductor 2.In addition, if will also be contained in the both sides of bus-bars conductor 2 to above-mentioned similar another group bonding conductor, bus-bars conductor 2 can be told branched line towards right and left both direction simultaneously, promptly can be easy to form the cross branched line.
In addition, in the present embodiment, as depicted in the figures and above-mentioned introduction, the position that the branched line conductor arrangement upwards is offset a little at the center of distance branched line container 4.Yet, if they are configured in the plane at the center that comprises branched line container 4, can public a kind of same type and identical shaped flange for bus container and branched line container.Promptly can realize the standardization of element.
In said structure, obviously find out by figure, be the space of shutting in the inner space of container that is branched a side of the position opposite of drawing with container.Therefore, the section of bus container is not circular, but ellipse or runway shape.Utilize a kind of like this section configuration, the bus container overall dimensions can be less.
In addition, in this embodiment, three-phase bus conductor 2 and the insulator spacer that is fixed on the flange by the branched line conductor utilization that its branch draws support regularly.Therefore, in each container, do not need to be provided with the mounting base that supports bus-bars conductor 2 and branched line conductor with being used for fixing.Therefore, container 4 can designs simplification.
Because the processing of flange is to load onto thereon after the insulator spacer, comprises the perpendicularity that is fixed to the flange on the container and can improve in interior machine work precision.In assembling process, do not need to regulate between the three-phase conductor the depth of parallelism and with the centering of adjacent two-phase.Therefore, assembling becomes very easy.

Claims (13)

1. gas insulated bus comprises:
First conductor of three-phase is contained in first container, parallel to each other being configured in first plane; And
Second conductor of three-phase is contained in second container of being drawn by the first container branch, is electrically connected on described first conductor and parallel to each other being configured in second plane,
Described first container and described second container are filled with such as SF 6The insulating gas of gas,
It is characterized in that first and second planes are perpendicular to one another, second plane parallel is in described first conductor.
2. gas insulated bus comprises:
First conductor of three-phase is contained in first container, parallel to each other being configured in first plane; And
Second conductor of three-phase is contained in second container of being drawn by the first container branch, is electrically connected on described first conductor and parallel to each other being configured in second plane,
Described first container and described second container are filled with the insulating gas such as SF6 gas,
It is characterized in that second conductor is with the vertical curve symmetrical manner configuration for the center line that comprises described second conductor.
3. gas insulated bus according to claim 1 and 2 wherein is provided with at the one end and is connected to bonding conductor on described first conductor; And be connected on this bonding conductor and be connected to isolating switch on second conductor at the other end at the one end, wherein, the shaping of bonding conductor makes isolating switch be located in second plane.
4. gas insulated bus according to claim 1 and 2, wherein, the runway shape insulator spacer that the described first and second conductor utilizations are contained on the flange that is fixed on the first and second bus container ends supports regularly.
5. gas insulated bus according to claim 1 and 2, wherein, being formed in T shape mode of second container drawn by the first container branch.
6. gas insulated bus according to claim 1 and 2, second container wherein is criss-cross.
7. gas insulated bus comprises:
First container;
First three-phase conductor is in first plane that is configured in described first container parallel to each other;
Second container is drawn by the described first container branch,
Second three-phase conductor is drawn and is configured in described second container by described first conductor branch, wherein said second conductor arrangement with vertical second plane, first plane in and parallel with described first conductor;
Be fixed to the flange of described first and second container end portions;
Insulator spacer is fixed on the described flange, described first and second conductors of supporting with being used for fixing;
Described first container and described second container are filled with the insulating gas such as SF6 gas,
It is characterized in that described first and second conductors are contained in by closing in the envelope container that described first container, described second container, described flange and described insulator spacer are formed.
8. gas insulated bus comprises:
First container;
First three-phase conductor is in first plane that is configured in described first internal tank parallel to each other;
Second container is drawn by the described first container branch;
Second three-phase conductor is drawn and is configured in described second container by described first conductor branch, and wherein said second conductor is parallel to each other and with for the configuration of the vertical curve symmetrical manner of the center line that comprises described second conductor;
Be fixed to the flange on described first and second container end portions;
Be fixed to the insulator spacer on the described flange, described first and second conductors of supporting with being used for fixing;
Described first container and described second container are filled with the insulating gas such as SF6 gas,
It is characterized in that described first and second conductors are contained in the airtight container of being made up of described first container, described second container, described flange and described insulator spacer.
9. according to claim 7 or 8 described gas insulated bus, wherein be equipped with: be connected to the bonding conductor on described first conductor and be connected on this bonding conductor and be connected to isolating switch on described second conductor at the other end at the one end at the one end; Wherein the shaping of bonding conductor is located in second plane isolating switch.
10. gas insulated bus according to claim 9, the mechanism that wherein is used for the disconnecting switch operation blade is contained in airtight container.
11. according to claim 7 or 8 described gas insulated bus, insulator spacer wherein be shaped as runway shape.
12. according to claim 7 or 8 described gas insulated bus, being formed in T shape mode of second container wherein drawn from the first container branch.
13. according to claim 7 or 8 described gas insulated bus, second container wherein is criss-cross.
CN97122789A 1996-11-25 1997-11-24 Gas insulated bus with branch Expired - Fee Related CN1065987C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP313342/1996 1996-11-25
JP8313342A JPH10155215A (en) 1996-11-25 1996-11-25 Gas insulated switchgear
JP313342/96 1996-11-25

Publications (2)

Publication Number Publication Date
CN1183663A CN1183663A (en) 1998-06-03
CN1065987C true CN1065987C (en) 2001-05-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN97122789A Expired - Fee Related CN1065987C (en) 1996-11-25 1997-11-24 Gas insulated bus with branch

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JP (1) JPH10155215A (en)
KR (1) KR100495363B1 (en)
CN (1) CN1065987C (en)
TW (1) TW382151B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101771465B1 (en) * 2011-07-25 2017-09-06 엘에스산전 주식회사 Gas insulated switchgear
CN102629736A (en) * 2011-10-19 2012-08-08 仝志红 Novel GIS main bus
CN106655034B (en) * 2016-10-20 2018-06-05 西安电力高等专科学校 Power high voltage power distribution equipment gas insulated transformer substation GIS busbares install equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1077063A (en) * 1992-04-01 1993-10-06 费尔腾和古伊勒奥梅能源股份公司 Metal shell all-closed gas insulating SF with bus device 6Switching device
CN1149773A (en) * 1995-08-30 1997-05-14 株式会社日立制作所 Gas insulation switch device and power transmission system by using said switch device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5836103A (en) * 1981-08-28 1983-03-03 株式会社日立製作所 Gas insulated switching unit
JPS609315A (en) * 1983-06-27 1985-01-18 三菱電機株式会社 Insulating spacer
JPH0638322A (en) * 1992-07-14 1994-02-10 Nissin Electric Co Ltd Gas insulated bus disconnector unit
JP2601238B2 (en) * 1995-05-26 1997-04-16 株式会社日立製作所 Gas insulated switchgear

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1077063A (en) * 1992-04-01 1993-10-06 费尔腾和古伊勒奥梅能源股份公司 Metal shell all-closed gas insulating SF with bus device 6Switching device
CN1149773A (en) * 1995-08-30 1997-05-14 株式会社日立制作所 Gas insulation switch device and power transmission system by using said switch device

Also Published As

Publication number Publication date
JPH10155215A (en) 1998-06-09
CN1183663A (en) 1998-06-03
TW382151B (en) 2000-02-11
KR100495363B1 (en) 2005-09-15
KR19980042682A (en) 1998-08-17

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