WO2011125332A1 - Gas-insulated bus - Google Patents
Gas-insulated bus Download PDFInfo
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- WO2011125332A1 WO2011125332A1 PCT/JP2011/002065 JP2011002065W WO2011125332A1 WO 2011125332 A1 WO2011125332 A1 WO 2011125332A1 JP 2011002065 W JP2011002065 W JP 2011002065W WO 2011125332 A1 WO2011125332 A1 WO 2011125332A1
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- conductor
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- longitudinal
- insulated bus
- radial
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- 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
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
- H02G5/061—Tubular casings
-
- 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
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
- H02G5/08—Connection boxes therefor
Definitions
- Embodiments of the present invention relate to a gas insulated bus used in a gas insulated switchgear or the like.
- GIS gas insulated switchgear
- SF 6 gas having excellent insulation performance as a main insulating medium
- GIS uses an L-shaped gas insulated bus in order to connect a device such as a gas insulation breaker (GCB) or a branch bus from the main bus (see, for example, Patent Document 1).
- GCB gas insulation breaker
- Patent Document 1 Japanese Patent Document 1
- FIG. 9 is a cross-sectional view of an L-shaped gas insulated bus showing a single-phase structure of an L-shaped gas insulated bus having a three-phase collective structure described in Patent Document 1 and the like for convenience of explanation.
- 1 is a tank of an L-shaped gas insulated bus, which is formed in a cylindrical shape, has tank openings 1a and 1b formed at both ends in the longitudinal direction, and has a diameter perpendicular to the longitudinal direction.
- a tank opening 1c is formed in the direction.
- the tank 1 is filled with an insulating gas G such as SF 6 gas, and the tank opening 1a and the tank opening 1c at a position orthogonal to the tank opening 1a are insulated spacers 2 having embedded electrodes 3 1 and 3 2 , respectively.
- G an insulating gas
- the tank opening 1a and the tank opening 1c at a position orthogonal to the tank opening 1a are insulated spacers 2 having embedded electrodes 3 1 and 3 2 , respectively.
- 1, 2 2 is closed by hand, the tank opening 1b facing the tank opening 1a is adapted to be closed by the closed lid 4.
- the insulating spacers 2 1 and 2 2 and the closing lid 4 are fixed to flanges formed in the tank openings 1a to 1c by bolts (not shown).
- L-shaped conductors (hereinafter referred to as L-shaped conductor) is formed on the radial end portion of the 5 contact portion 5 1 is adapted to the contact portion 5 1 is also connected to the electrical and buried electrode 3 2 by being rigidly fixed by fixing bolts 61. Insulating spacer
- Round rod-like contactor 7 2 formed at the other end of the L-shaped conductors 5, the longitudinal center line CL 1 on the arranged conductor of the tank 1 (hereinafter, referred to as longitudinal conductor) 7 one end to the It is adapted to be electrically connected by being fitted through the contact piece 81 against the formed circular engagement groove 7 h.
- a round rod-like contactor 7 2 a configured connection portion from the circular fitting groove 7 h and the contact piece 81 and the connecting portion 9.
- a round rod-like contactor 7 2 formed at the other end (shown top) of the longitudinal conductor 7, the circular fitting groove 10 h of the connecting conductor 10 which is fixed to the embedded electrode 3 first insulating spacer 2 1 It is fitted connected through the contact piece 82 against.
- a round rod-like contactor 7 2 a configured connection portion from the contact piece 82 and the circular fitting groove 10 h and the connecting portion 11.
- connection conductor 10 is adapted to be satisfactorily connected to the electrical by being fixed to the embedded electrode 3 1 by a fixing bolt 6 2.
- L1 is (a radial distance portion i.e. L-shaped conductors 5)
- L2 is the diameter of the L-shaped conductors 5 the distance from the center line CL 2 directions portion to contact pieces 8 1 of the rod-shaped end portion 5
- L3 is the distance to the contact piece 82 the center of the connection conductor 10 from the contact piece 81 center.
- FIGS. 10 and 11 are diagrams showing an assembly process of a conventional L-shaped gas insulated bus
- FIG. 10 is a diagram showing an assembly process of an L-shaped gas insulated bus having a three-phase structure
- FIG. 11 is a single-phase structure. It is a figure which shows the assembly process of the L-shaped gas insulation bus-line.
- the X moiety carefully inserted while rotating clockwise in the same manner in the case of L-shaped gas insulated bus of the single-phase structure, by bolts and nuts (not shown) in a state of being inserted in a predetermined position between the insulating spacer 2 2
- the flange surface with the tank opening 1c is fastened.
- FIG. 11 shows the case of an L-shaped gas insulated bus having a single phase structure, but the same applies to the case of an L-shaped gas insulated bus having a three-phase structure.
- the intersection of the center line CL 2 and the buried electrodes 3 second flange face of the radial portion of the L-shaped conductor 5 is A
- the radial portion of the L-shaped conductor 5 are bent portion of the L-shaped conductors 5 the center line CL 2 and longitudinal conductor 7 intersection of the center line CL 1 of B
- the position of the connecting portion 9 (strictly speaking contact piece 8 1 position) C speaking position of the connecting portion 11 (strictly If the position) of the contact piece 8 2 is D, is energized a current i to L-shaped conductors 5 and longitudinal conductors 7, the electromagnetic force F1 shown downward between points a-B, but also, between the points B-C And the left and right electromagnetic forces F2 and F3 act between C and C, respectively.
- Gas insulated buses are required to reduce manufacturing costs while maintaining the performance of L-shaped gas insulated buses.
- the conductors, insulation spacers and tanks are downsized to reduce the overall gas insulation equipment. It is necessary to reduce the material cost.
- the electromagnetic force generated by the short-time energization current i with the severest mechanical stress will be described with reference to FIG.
- the electromagnetic force generated in the L-shaped conductor 5 is indicated by a distributed load Fs and a distributed load FL as shown in FIG.
- the magnitude of the electromagnetic force increases in proportion to the square of the magnitude of the short-time energization current i.
- the short-time withstand current-carrying performance is a performance that does not cause contact meltdown, damage due to deformation of the conductor, or poor withstand voltage performance when a short-circuit current such as a ground fault flows through the conductor. Although it is as short as ⁇ 3 seconds, an electromagnetic force in the direction shown in FIG. 13 is generated.
- the force received by the electromagnetic force by the L-shaped gas insulated bus having the conventional configuration shown in FIG. 9 will be described with reference to the schematic diagram of FIG.
- the electromagnetic force is a distributed load
- the resultant force of the electromagnetic force generated by the distances L2 and L3 with respect to the distance L1 is F1
- the resultant force of the electromagnetic force generated by the distance L1 is F2
- the resultant force of the electromagnetic force generated by L1 with respect to L3 is F3.
- connection portion 9 is a contact connection with a spring property, only the force in the direction perpendicular to the conductor axis is transmitted, and no moment is transmitted. Therefore, the point C in FIG. 12 can be considered as a free end. Since the connection part 11 is the same, the point D in FIG. 12 is also a free end.
- L-shaped conductor 5 and the electrode 3 2 for fixing by the fixing bolts 6 1, A point is a fixed end. Pulling load generated in the fixing bolt 61 for fixing the L-shaped conductor 5 are added to the electromagnetic force F1, F2, F3, the addition of the force generated by the moment of the point A about M 1, M 2, M 3 .
- Mt generates a pulling force Fb 1 of fixing bolts 61 represented by the following formula by the fulcrum E and moment arm r.
- Fb 1 Mt / r
- F2 and F3 for fixing bolts 61 to be parallel that secure the L-shaped conductor 5 and the electrode 3 2, acts as a pull-out load.
- F3 is halved because the force applied to the L2 side end is affected. Accordingly, the total drawing force Fb generated in the fixing bolt 61 becomes the following expression.
- Fb (L1 ⁇ F1 + L2 ⁇ (F2 + F3)) / 2r + (F2 + F3 / 2)
- the problem to be solved by the present invention is to provide a gas-insulated bus that can reduce the bolt pull-out load due to electromagnetic force generated by short-time withstand current and minimize the conductor diameter.
- the gas-insulated bus of the embodiment includes a cylindrical tank that is filled with an insulating gas and has openings in the longitudinal direction and the direction perpendicular to the longitudinal direction, and a longitudinal conductor disposed in the longitudinal direction inside the tank, A radial conductor connected to the longitudinal conductor and arranged to be orthogonal to the longitudinal conductor; and an insulating spacer for fixing the longitudinal conductor and the radial conductor at the opening of the tank.
- a connecting portion between the longitudinal conductor and the radial conductor is disposed at an intersection of the central axis of the longitudinal conductor and the central axis of the radial conductor.
- FIG. 6 is a cross-sectional view showing a gas insulated bus according to a modification of the first embodiment. It is sectional drawing which shows the gas insulation bus-line in Embodiment 2 of this invention. It is sectional drawing which shows the gas insulation bus-line in Embodiment 3 of this invention. It is sectional drawing which shows the assembly process of the gas insulation bus-line of FIG.
- FIG. 10 is a cross-sectional view showing a gas insulated bus according to a modification of the third embodiment.
- FIG. 1 is a configuration diagram of Embodiment 1 of a gas insulated bus according to the present invention
- FIG. 2 is a diagram schematically showing a relationship between electromagnetic force and moment generated in the gas insulated bus of Embodiment 1.
- the main differences between the first embodiment and the conventional gas-insulated bus shown in FIG. 9 are that the L-shaped conductor 5 is replaced with a linear radial conductor 5A, and this radial conductor.
- the intersection portion of the center line CL 1 of the center line CL 2 and longitudinal conductor 7 of 5A lies in placing the connection part 9 of both conductors 5A and 7.
- the other configuration is the same as that of FIG.
- Radial conductor 5A employed in this first embodiment together with a mechanically connected contactors 5A 1 formed at one end fixing bolt 61 in electrically the buried electrode 3 and second insulating spacer 2 2 are rigidly secured, are arranged circular fitting groove 5A h formed at the other end in the longitudinal center line direction conductors 7 CL 1 coaxially. And, this is a circular fitting groove 5A h has longitudinal round rod-like contactor 71 formed at one end of the direction conductor 7 via a contact piece 81 fit connection, whereby both conductors 5A and 7 Have a good electrical connection.
- the longitudinal conductors 7 forms a second end portion (shown top) in a round rod-like contactor 7 2 Similarly, a round rod-like contactor 7 2 via the contact piece 82 connecting conductor of the other end portion 10 are fitted and connected to the circular fitting groove 10 h and are electrically connected to the connecting conductor 10 in an excellent manner.
- the radial conductor 5A and a longitudinal conductor 7 contact the round rod-like contactor 71 which is formed longitudinally conductor 7 end in the radial conductor 5A edge of the circular fitting groove 5A h piece thereby making it possible to assemble the connecting portion 9 only by inserting through the 8 1.
- M 3 is fixed bolt 61 in Figure 12, about what had affected the extent pulling load, shows an example of the effect by substituting specific numerical values.
- M 1 , M 2 , and M 3 are as follows.
- the bolt pull-out load due to electromagnetic force can be reduced by 67% compared to the conventional structure, and the bolt pitch dimension and conductor diameter can be reduced. Achieved, and the size of the equipment can be reduced.
- a gas-insulated bus bar that can reduce the pull-out load of the bolt due to electromagnetic force on the radial conductor 5A and consequently minimize the conductor diameter of the radial conductor 5A is provided. It becomes possible.
- T-shaped conductor structure of FIG. 3 may be changed to a cross-shaped conductor structure.
- Embodiment 2 of the gas insulated bus according to the present invention will be described with reference to FIG.
- symbol is attached
- Embodiment 2 is changed in the longitudinal direction round rod-like contactor 7 which is formed at both ends of the conductor 7 1 and 7 2 respectively spherical connection 7 3 and 7 4 of the first embodiment, spherical shape of the connecting portion 9 the contact of the connecting portion 7 3 disposed on the radial conductor 5A conductor centerline CL 2 of, for connecting the connection conductor 10 similarly to the connecting portion 11 even spherical connection 7 4.
- Embodiment 2 since it is configured as described above, in addition to the effect of the bolt diameter and bolt pitch dimension of the fixing bolt 61 in the radial conductor 5A of the first embodiment can be minimized, longitudinal conductors by seven degrees of freedom of the slope of the increase, without interfering with the displacement absorbing capacity of the bellows 12, it is possible to suppress the moment generated in the fixed bolt 61 around the radial conductor 5A by electromagnetic force. As a result, the conductor diameter and the bolt pitch dimension can be reduced, and a large displacement absorbing function can be achieved, thereby reducing the size of the entire device.
- FIG. 5 shows a state incorporating radial conductor 5A in the tank 1
- FIG. 6 is a sectional view showing an assembly process of FIG. 5, integrated radial conductor 5A and the insulating spacer 2 2 before incorporating Shows the state.
- the third embodiment is characterized in that the connection configuration between the longitudinal conductor 7 and the radial conductor 5A in the first embodiment is changed, and the same configuration as that of the first embodiment.
- Embodiment 3 is provided with a circular fitting groove 7 h longitudinally conductor 7 in place of the round-rod-like contactor 71 of the center line CL 2 concentric and circular fitting groove 5A h of the radial conductor 5A Instead of this, a round bar contact 5A 2 is provided.
- connection part 11 of the longitudinal conductor 7 in the longitudinal direction conductor 7 central axis CL 1 and coaxially with, the other connecting portion 9 is configured with the central axis CL 2 coaxially in the radial conductor 5A.
- connection between the longitudinal conductor 7 and the radial conductor 5A is not limited to the above-described FIGS. 5 and 6 and may be deformed as shown in FIG.
- Figure 7 is a longitudinal conductors 7 positioned on the connecting portion 9 side extending toward the tank opening 1b side, also fixedly connected to the embedded electrodes 3 3 of insulating spacer 2 3 provided in place of the closed lid 4 that the connection conductor 10A provided, the longitudinal round rod-like contactor 7 1 Toko direction conductor 7 of a connection conductor 10A by connecting through the contact pieces 8 3, gas insulated bus having a conductor structure of T-shaped and substantially perpendicular An example applied to is also shown.
- T-shaped conductor structure of FIG. 7 may be changed to a cross-shaped conductor structure.
- Embodiment 4 The gas insulated bus according to the modified example (FIG. 7) of Embodiment 1 (FIG. 1) to Embodiment 3 described above is an example applied to a single-phase structure in which one bus is accommodated in one tank. Form 4 is applied to a so-called three-phase collective structure in which three-phase buses are stored in one tank.
- FIG. 7 The gas insulated bus according to the modified example (FIG. 7) of Embodiment 1 (FIG. 1) to Embodiment 3 described above is an example applied to a single-phase structure in which one bus is accommodated in one tank.
- Form 4 is applied to a so-called three-phase collective structure in which three-phase buses are stored in one tank.
- FIG. 8 is a diagram showing an assembling process of the gas insulated bus having a three-phase collective structure according to the fourth embodiment.
- the longitudinal conductor 7 and the connecting portion 9 in the tank 1 are omitted.
- the conventional L-shaped conductor 5 shown in FIG. 10 may be rotated clockwise in order to prevent damage when inserting the X portion of the L-shaped conductor 5 into the tank opening 1c.
- the difficulty level is high and it takes a long time.
- connection portion 9 is provided at the intersection of the radial conductor 5A and the longitudinal conductor 7 as in FIG. 6 of the third embodiment described above, the connection is also made from the tank opening 1c.
- the portion 9 can be visually confirmed, and the final docking location can be provided at both the connecting portions 9 and 11, so that the assembly efficiency can be improved.
- the assembly work time can be shortened, the conductor shape can be reduced, and an inexpensive gas insulated bus can be provided.
- This structure can also be applied to a gas-insulated bus having a T-shaped conductor structure substantially orthogonal as shown in FIG. Furthermore, it can be applied to a cross-shaped conductor structure.
- the bolt pull-out load due to electromagnetic force on the radial conductor is reduced, and as a result, the conductor diameter of the radial conductor can be minimized.
Abstract
Description
M1=L1/2×F1、
M2=L2/2×F2、
M3=L2×F3/2、
L3は両端を接続部9および11で固定されているため、L2側端には、F3の半分の力を受けると仮定した。よってA点回りの全モーメントMtは
Mt=M1+M2+M3=(L1×F1+L2×(F2+F3))/2
で表される。 Each moment is
M 1 = L1 / 2 × F1,
M 2 = L2 / 2 × F2,
M 3 = L2 × F3 / 2,
Since L3 is fixed at both ends by the connecting
It is represented by
Fb1=Mt/r Mt generates a pulling force Fb 1 of fixing bolts 61 represented by the following formula by the fulcrum E and moment arm r.
Fb 1 = Mt / r
Fb=(L1×F1+L2×(F2+F3))/2r+(F2+F3/2) F2 and F3, for fixing bolts 61 to be parallel that secure the L-
Fb = (L1 × F1 + L2 × (F2 + F3)) / 2r + (F2 + F3 / 2)
図1は本発明に係るガス絶縁母線の実施形態1の構成図であり、図2は実施形態1のガス絶縁母線に発生する電磁力とモーメントの関係を模式的に示した図である。 [Embodiment 1]
FIG. 1 is a configuration diagram of
L1=500[mm]、
L2=250[mm]、
L3=2250[mm]、
r=40[mm]
L形ガス絶縁母線に流れる短時間電流は、i=104kAp(40kA×2.6倍)とする。 For the gas insulated bus having the conventional structure shown in FIG. 12, the electromagnetic force and moment are obtained by substituting the following numerical values.
L1 = 500 [mm],
L2 = 250 [mm],
L3 = 2250 [mm],
r = 40 [mm]
The short-time current flowing through the L-shaped gas insulated bus is assumed to be i = 104 kAp (40 kA × 2.6 times).
F1=352[kgf]=3452[N]、
F2=196[kgf]=1922[N]、
F3=140[kgf]=1373[N]、
よって、固定ボルト61の全引抜き荷重は、
Fb=(L1×F1+L2×(F2+F3))/2r+(F2+F3/2)
=3516[kgf]=34.5[kN]
となる。 Based on the above values, the calculation results are shown below.
F1 = 352 [kgf] = 3452 [N],
F2 = 196 [kgf] = 1922 [N],
F3 = 140 [kgf] = 1373 [N],
Thus, the total pulling force of the fixing bolts 61 are
Fb = (L1 × F1 + L2 × (F2 + F3)) / 2r + (F2 + F3 / 2)
= 3516 [kgf] = 34.5 [kN]
It becomes.
M1=88000[kg・mm]=863[Nm]、
M2=24500[kg・mm]=240[Nm]、
M3=17500[kg・mm]=172[Nm] Incidentally, the values of M 1 , M 2 , and M 3 are as follows.
M 1 = 88000 [kg · mm] = 863 [Nm],
M 2 = 24500 [kg · mm] = 240 [Nm],
M 3 = 17500 [kg · mm] = 172 [Nm]
以下に図2に示す寸法に対して代入する値を示す。
L1=500[mm]、
L4=2500[mm]、
r=40[mm]
L形ガス絶縁母線に流れる短時間電流はi=104kAp(40kA×2.6倍)とする。 Next, calculate the pull-out load of the fixing bolt 61 about the structure of the first embodiment shown in FIG.
The values to be substituted for the dimensions shown in FIG. 2 are shown below.
L1 = 500 [mm],
L4 = 2500 [mm],
r = 40 [mm]
The short-time current flowing through the L-shaped gas insulated bus is assumed to be i = 104 kAp (40 kA × 2.6 times).
F1=352[kgf]、
F4=336[kgf]、
M1=88000[kg・mm]=863[Nm]
よって、固定ボルト61の全引抜き荷重は、電磁力F4の半分とM1により
Fb=F4/2+M1/r=2368[kgf]=23.2[kN]
となる。 Based on the above values, the calculation results are shown below.
F1 = 352 [kgf],
F4 = 336 [kgf],
M 1 = 88000 [kg · mm] = 863 [Nm]
Thus, the total pulling force of the fixing
It becomes.
長手方向導体7と径方向導体5Aとによる接続部9の構成は、図1に限定されるものではなく、図3の如く変形しても差し支えない。 [Modification of Embodiment 1]
The configuration of the connecting
以下、本発明に係るガス絶縁母線の実施形態2について図4を参照して説明する。なお、実施形態1と同一の構成には同一の符号を付し、重複する説明は省略する。 [Embodiment 2]
Hereinafter,
以下、本発明に係るガス絶縁母線の実施形態3について図5および図6を参照して説明する。図5はタンク1内に径方向導体5Aを組込んだ状態を示し、図6は図5の組立過程を示す断面図であり、一体化された径方向導体5Aおよび絶縁スペーサ22を組込む前の状態を示す。 [Embodiment 3]
Hereinafter,
Mt=M1=Fb×r
となり、固定ボルト61回りに発生するモーメントが小さくなる。 It can be a bolt pulling load by electromagnetic force acting in the
Next, the moment generated in the fixed bolt 61 around smaller.
Fb=M1/r=88000/40=2200[kgf]=21.6[kN]
となり、実施形態1よりさらに93%に低減でき、従来構造に対しては63%に低減できる。 With the above configuration, pulling the load Fb of the fixing bolt 6 1 is calculated using the values of
Thus, it can be further reduced to 93% from the first embodiment, and to 63% with respect to the conventional structure.
長手方向導体7と径方向導体5Aとの接続は、前述した図5、図6に限定されるものではなく、図7の如く変形しても差し支えない。 [Modification of Embodiment 3]
The connection between the
以上説明した実施形態1(図1)乃至実施形態3の変形例(図7)によるガス絶縁母線は、1つのタンクに1つの母線を収納した単相構造に適用した例であるが、本実施形態4は、1つのタンクに3相の母線を収納した所謂3相一括構造に適用したものである。以下、図8を参照して具体的に説明する。 [Embodiment 4]
The gas insulated bus according to the modified example (FIG. 7) of Embodiment 1 (FIG. 1) to
本構造は図7の如くほぼ直交したT字形の導体構造を有したガス絶縁母線にも適用可能である。更に、十字形の導体構造にも応用できる。 [Modification of Embodiment 5]
This structure can also be applied to a gas-insulated bus having a T-shaped conductor structure substantially orthogonal as shown in FIG. Furthermore, it can be applied to a cross-shaped conductor structure.
Claims (5)
- 絶縁ガスを充填するとともに長手方向および長手方向と直交する方向にそれぞれ開口部を有する筒状のタンクと、前記タンク内部の長手方向に配置された長手方向導体と、前記長手方向導体に接続されかつ当該長手方向導体に直交するように配置された径方向導体と、前記タンクの前記開口部で前記長手方向導体および前記径方向導体を固定する絶縁スペーサと、を有するガス絶縁母線において、
前記長手方向導体の中心軸および前記径方向導体の中心軸との交点に、前記長手方向導体と前記径方向導体との接続部を配置したことを特徴とするガス絶縁母線。 A cylindrical tank filled with an insulating gas and having openings in the longitudinal direction and the direction perpendicular to the longitudinal direction, a longitudinal conductor disposed in the longitudinal direction inside the tank, and connected to the longitudinal conductor; In a gas-insulated bus having a radial conductor arranged to be orthogonal to the longitudinal conductor, and an insulating spacer that fixes the longitudinal conductor and the radial conductor at the opening of the tank,
A gas-insulated bus in which a connecting portion between the longitudinal conductor and the radial conductor is disposed at an intersection between the central axis of the longitudinal conductor and the central axis of the radial conductor. - 請求項1記載のガス絶縁母線において、
前記長手方向導体の端部を丸棒状に形成し、前記径方向導体の端部を円形嵌合溝に形成し、丸棒状の前記端部を前記円形嵌合溝に嵌合して前記長手方向導体と前記径方向導体との接続部を形成したことを特徴とするガス絶縁母線。 The gas-insulated bus according to claim 1,
The end of the longitudinal conductor is formed in a round bar shape, the end of the radial conductor is formed in a circular fitting groove, and the end of the round bar is fitted in the circular fitting groove in the longitudinal direction. A gas-insulated bus having a connection portion between a conductor and the radial conductor. - 請求項1記載のガス絶縁母線において、
前記長手方向導体の端部を球形状に形成し、前記径方向導体の端部を円形嵌合溝に形成し、球形状の前記端部を前記円形嵌合溝に嵌合して前記長手方向導体と前記径方向導体との接続部を形成したことを特徴とするガス絶縁母線。 The gas-insulated bus according to claim 1,
The end of the longitudinal conductor is formed into a spherical shape, the end of the radial conductor is formed into a circular fitting groove, and the end of the spherical shape is fitted into the circular fitting groove to form the longitudinal direction. A gas-insulated bus having a connection portion between a conductor and the radial conductor. - 請求項1記載のガス絶縁母線において、
前記長手方向導体の端部を前記径方向導体の中心軸と同心の円形嵌合溝に形成し、前記径方向導体の端部を丸棒状または球形状に形成し、丸棒状または球形状の前記端部を前記円形嵌合溝に嵌合して前記長手方向導体と前記径方向導体との接続部を形成したことを特徴とするガス絶縁母線。 The gas-insulated bus according to claim 1,
The end portion of the longitudinal conductor is formed in a circular fitting groove concentric with the central axis of the radial conductor, the end portion of the radial conductor is formed in a round bar shape or a spherical shape, and the round bar shape or the spherical shape is formed. A gas-insulated bus in which an end portion is fitted into the circular fitting groove to form a connection portion between the longitudinal conductor and the radial conductor. - 請求項1記載のガス絶縁母線において、
3相各相分の、前記長手方向導体および前記径方向導体を1つのタンクに収納したことを特徴とするガス絶縁母線。 The gas-insulated bus according to claim 1,
A gas-insulated bus in which the longitudinal conductor and the radial conductor for each of the three phases are housed in one tank.
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CN201180016905.2A CN102823095B (en) | 2010-04-07 | 2011-04-07 | Gas insulated bus |
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JP2010088717A JP5523903B2 (en) | 2010-04-07 | 2010-04-07 | Gas insulated bus |
JP2010-088717 | 2010-04-07 |
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WO2011125332A1 true WO2011125332A1 (en) | 2011-10-13 |
Family
ID=44762302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/002065 WO2011125332A1 (en) | 2010-04-07 | 2011-04-07 | Gas-insulated bus |
Country Status (3)
Country | Link |
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JP (1) | JP5523903B2 (en) |
CN (1) | CN102823095B (en) |
WO (1) | WO2011125332A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113097951A (en) * | 2021-04-01 | 2021-07-09 | 云南送变电工程有限公司 | Method for hoisting vertical expansion joint of lower 500kVGIL pipeline bus |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6515832B2 (en) * | 2016-01-29 | 2019-05-22 | 東芝三菱電機産業システム株式会社 | Switchboard, Bus |
WO2018205093A1 (en) | 2017-05-08 | 2018-11-15 | Abb Schweiz Ag | Gas-insulated line, gas-insulated switchgear and method thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54142537A (en) * | 1978-04-27 | 1979-11-06 | Mitsubishi Electric Corp | Gas insulated electric appliances |
JPS58156315U (en) * | 1982-04-12 | 1983-10-19 | 株式会社東芝 | Busbar/Switchgear |
JPS59216413A (en) * | 1983-05-24 | 1984-12-06 | 三菱電機株式会社 | Gas insulated bus device |
JPS63131512U (en) * | 1987-02-18 | 1988-08-29 | ||
WO2007116480A1 (en) * | 2006-03-31 | 2007-10-18 | Mitsubishi Denki Kabushiki Kaisha | Gas-insulated electric power apparatus |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60117574U (en) * | 1984-01-18 | 1985-08-08 | 古河電気工業株式会社 | Universal conductor connection |
JP2000312411A (en) * | 1999-04-26 | 2000-11-07 | Toshiba Corp | Gas insulated breaker |
JP4048045B2 (en) * | 2001-11-13 | 2008-02-13 | 株式会社日立製作所 | Three-phase collective gas insulated bus |
-
2010
- 2010-04-07 JP JP2010088717A patent/JP5523903B2/en active Active
-
2011
- 2011-04-07 WO PCT/JP2011/002065 patent/WO2011125332A1/en active Application Filing
- 2011-04-07 CN CN201180016905.2A patent/CN102823095B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54142537A (en) * | 1978-04-27 | 1979-11-06 | Mitsubishi Electric Corp | Gas insulated electric appliances |
JPS58156315U (en) * | 1982-04-12 | 1983-10-19 | 株式会社東芝 | Busbar/Switchgear |
JPS59216413A (en) * | 1983-05-24 | 1984-12-06 | 三菱電機株式会社 | Gas insulated bus device |
JPS63131512U (en) * | 1987-02-18 | 1988-08-29 | ||
WO2007116480A1 (en) * | 2006-03-31 | 2007-10-18 | Mitsubishi Denki Kabushiki Kaisha | Gas-insulated electric power apparatus |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113097951A (en) * | 2021-04-01 | 2021-07-09 | 云南送变电工程有限公司 | Method for hoisting vertical expansion joint of lower 500kVGIL pipeline bus |
CN113097951B (en) * | 2021-04-01 | 2022-05-13 | 云南送变电工程有限公司 | Method for hoisting lower 500kVGIL pipeline bus vertical expansion joint |
Also Published As
Publication number | Publication date |
---|---|
CN102823095B (en) | 2016-01-20 |
CN102823095A (en) | 2012-12-12 |
JP2011223708A (en) | 2011-11-04 |
JP5523903B2 (en) | 2014-06-18 |
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