WO2020217452A1 - Gas-insulated switchgear - Google Patents

Gas-insulated switchgear Download PDF

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Publication number
WO2020217452A1
WO2020217452A1 PCT/JP2019/017918 JP2019017918W WO2020217452A1 WO 2020217452 A1 WO2020217452 A1 WO 2020217452A1 JP 2019017918 W JP2019017918 W JP 2019017918W WO 2020217452 A1 WO2020217452 A1 WO 2020217452A1
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Prior art keywords
unit
circuit breaker
phase
breaker unit
gas
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PCT/JP2019/017918
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French (fr)
Japanese (ja)
Inventor
好明 田村
青木　務
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日新電機株式会社
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Priority to PCT/JP2019/017918 priority Critical patent/WO2020217452A1/en
Publication of WO2020217452A1 publication Critical patent/WO2020217452A1/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035—Gas-insulated switchgear

Definitions

  • the present invention relates to a gas-insulated switchgear.
  • the gas-insulated switch is configured by enclosing an insulating gas such as SF6 gas in an airtight container with earth potential, and storing switching devices such as circuit breakers, circuit breakers, and grounding switches in the container. (See, for example, Patent Document 1).
  • the gas-insulated switchgear has an independent configuration of electric circuits for each phase, that is, a phase-separated configuration, resulting in an increase in size.
  • An object of the present invention is to provide a gas-insulated switchgear that is compact and can individually operate a three-phase circuit breaker.
  • the gas-insulated circuit breaker unit that solves the above problems is a three-phase batch type circuit breaker unit, a three-phase batch type bus circuit breaker unit with a built-in bus and a circuit breaker, and the line circuit breaker unit and the bus.
  • the first circuit breaker unit, the second circuit breaker unit, and the third circuit breaker unit each have an operation unit. According to this configuration, it is possible to provide a gas-insulated switchgear that is small and can operate a three-phase circuit breaker individually.
  • the containers of the first phase distribution unit and the second phase distribution unit are divided into a centralized accommodating portion for collectively accommodating conductors of each phase and each phase branched from the centralized accommodating portion. It is preferable to provide three branch accommodating portions for accommodating the conductors of the above. According to this configuration, the three-phase conductors can be easily connected to the circuit breaker of the first circuit breaker unit, the circuit breaker of the second circuit breaker unit, and the circuit breaker of the third circuit breaker unit, respectively.
  • each of the branch accommodating portions is provided with a current transformer of each phase through which the conductor of each phase penetrates. According to this configuration, the influence of adjacent phases on the current transformer of each phase can be reduced.
  • a three-phase batch type insulating spacer is interposed between the first phase distribution unit and the line disconnector unit, and between the second phase distribution unit and the bus disconnector unit.
  • a single phase type is formed between each branch accommodating portion of the first phase distribution unit and the second phase distribution unit and the first disconnector unit, the second disconnector unit, and the third disconnector unit. It is preferable that the insulating spacer of the above is interposed.
  • the line disconnector unit, the first phase distribution unit, the first circuit breaker unit, the second circuit breaker unit, the third circuit breaker unit, the second phase distribution unit, and the bus disconnector unit can be gas partitioned. ..
  • FIG. 6 is a schematic cross-sectional view showing a connection between a phase separation unit and a first circuit breaker unit, a second circuit breaker unit, and a third circuit breaker unit.
  • the gas-insulated switchgear 1 includes a connector head unit 10 arranged on a base 201, a voltage transformer (VT) 20, and a circuit breaker unit. 30, a phase distribution unit 40, 60, a first circuit breaker unit 50a, a second circuit breaker unit 50b, a third circuit breaker unit 50c, a bus disconnector unit 70, 80, and a control box 90 are provided.
  • VT voltage transformer
  • the connector head unit 10 is fixed to a gantry 202 erected on the base 201.
  • the voltage transformer 20 is connected on the connector head unit 10 via an insulating spacer 101.
  • the connector head unit 10 and the voltage transformer 20 are separated by an insulating spacer 101.
  • the connector head unit 10 has a container 11, three connector heads (CHD) 12 housed in the container 11, and a three-phase conductor 13 connected to the connector head 12. Note that FIG. 4 shows two connector heads 12. In addition, some members in the following description may be shown in each figure.
  • the connector head unit 10 is connected to the line disconnector unit 30 via an insulating spacer 102.
  • the connector head unit 10 and the line disconnector unit 30 are separated by an insulating spacer 102.
  • the line disconnector unit 30 has a container 31, a disconnector (DS) 32 built in the container 31, a ground circuit breaker (ES) 33, and a three-phase conductor 34.
  • the insulating spacer 102 is a three-phase collective type insulating spacer, and is a connecting conductor that connects the three-phase conductor 13 built in the connector head unit 10 and the three-phase conductor 34 built in the line disconnector unit 30. Have.
  • the line disconnector unit 30 is connected to the phase distribution unit 40 via an insulating spacer 103.
  • the line disconnector unit 30 and the phase distribution unit 40 are separated by an insulating spacer 103.
  • the phase distribution unit 40 contains a three-phase conductor 42.
  • the three-phase conductor 42 is composed of the conductors 42a, 42b, 42c shown in FIG.
  • the insulating spacer 103 is a three-phase collective type insulating spacer, and is a connecting conductor that connects a three-phase conductor 34 built in the line disconnector unit 30 and a three-phase conductor 42 built in the phase distribution unit 40. Have.
  • the phase distribution unit 40 is connected to the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c via the insulating spacers 104a, 104b, 104c.
  • the phase distribution unit 40 and the first circuit breaker unit 50a are separated by an insulating spacer 104a.
  • the phase distribution unit 40 and the second circuit breaker unit 50b are separated by an insulating spacer 104b.
  • the phase distribution unit 40 and the third circuit breaker unit 50c are separated by an insulating spacer 104c.
  • the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c are circuit breakers housed in the containers 51a, 51b, 51c and the containers 51a, 51b, 51c, respectively. It has 52a, 52b, 52c and so on.
  • the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c are single-phase circuit breaker units in which the circuit breakers 52a, 52b, and 52c are arranged vertically.
  • the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c are erected in the control box 90.
  • the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c have operation units 53a, 53b, and 53c, respectively.
  • the control box 90 is provided with actuators 91a, 91b, 91c for controlling the operation units 53a, 53b, 53c, respectively.
  • Each operation unit 53a, 53b, 53c connects and separates the fixed side electrode and the movable side electrode of the circuit breakers 52a, 52b, 52c shown in FIG. 5 by their respective controls.
  • All the actuators 91a, 91b, 91c can simultaneously operate the operation units 51a, 51b, 51c, that is, the three-phase first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c. Further, the operating device 91a can operate only the operating unit 51a, that is, the one-phase first circuit breaker unit 50a. Similarly, the operating device 91b or the operating device 91c can operate only the operating unit 51b or the operating unit 51c, that is, the one-phase second circuit breaker unit 50b or the third circuit breaker unit 50c.
  • the phase distribution unit 40 has a container 41 and conductors 42a, 42b, 42c of each phase built in the container 41.
  • the container 41 of the phase distribution unit 40 collectively accommodates the conductors 42a, 42b, 42c of each phase, and the centralized accommodating portion 41m, which branches from the centralized accommodating portion 41m and accommodates the conductors 42a, 42b, 42c of each phase, respectively. It is provided with three branch accommodating portions 41a, 41b, 41c.
  • the branch accommodating portion 41a is connected to the first circuit breaker unit 50a via an insulating spacer 104a.
  • the branch accommodating portion 41b is connected to the second circuit breaker unit 50b via the insulating spacer 104b
  • the branch accommodating portion 41c is connected to the third circuit breaker unit 50c via the insulating spacer 104c.
  • the insulating spacers 104a, 104b, and 104c are single-phase insulating spacers, respectively.
  • the conductor 42a is connected to the circuit breaker 52a built in the first circuit breaker unit 50a via the connecting conductor of the insulating spacer 104a.
  • the conductor 42b is connected to the circuit breaker 52b built in the second circuit breaker unit 50b via the connecting conductor of the insulating spacer 104b.
  • the conductor 42c is connected to the circuit breaker 52c built in the third circuit breaker unit 50c via the connecting conductor of the insulating spacer 104c.
  • the phase distribution unit 40 has a built-in current transformer (CT) 43a, 43b, 43c for each phase.
  • the current transformer 43a is provided so as to penetrate the conductor 42a connected to the circuit breaker 52a of the first circuit breaker unit 50a.
  • the current transformer 43b is provided so as to penetrate the conductor 42b connected to the circuit breaker 52b of the second circuit breaker unit 50b.
  • the current transformer 43c is provided so as to penetrate the conductor 42c connected to the circuit breaker 52c of the third circuit breaker unit 50c.
  • the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c are connected to the phase distribution unit 60 shown in FIGS. 1, 3, and 4 via insulating spacers 105a, 105b, and 105c. ing.
  • the drawings of the insulating spacers 105b and 105c interposed between the second circuit breaker unit 50b and the third circuit breaker unit 50c and the phase distribution unit 60 are omitted.
  • the insulating spacers 105a, 105b, 105c are single-phase insulating spacers, similar to the insulating spacers 104a, 104b, 104c shown in FIG.
  • the phase distribution unit 60 is configured in the same manner as the phase distribution unit 40 shown in FIG. 5, and has a container 61 and conductors 62 (62a, 62b, 62c) built in the container 61.
  • the container 61 of the phase distribution unit 60 accommodates the conductors 62a, 62b, 62c of each phase collectively, and the conductors 62a, 62b, 62c of each phase, which are branched from the centralized accommodation unit 61m. It is provided with three branch accommodating portions 61a, 61b, 61c.
  • the phase distribution unit 60 has a built-in current transformer (CT) 63a, 63b, 63c for each phase, similarly to the phase distribution unit 40.
  • CT current transformer
  • the current transformer 63a is provided so as to penetrate the conductor 62a connected to the circuit breaker 52a of the first circuit breaker unit 50a.
  • the current transformer 63b is provided so as to penetrate the conductor 62b connected to the circuit breaker 52b of the second circuit breaker unit 50b.
  • the current transformer 63c is provided so as to penetrate the conductor 62c connected to the circuit breaker 52c of the third circuit breaker unit 50c.
  • the phase distribution unit 60 is connected to the bus disconnector units 70 and 80 via insulating spacers 106 and 107.
  • the insulating spacers 106 and 107 are three-phase batch type insulating spacers.
  • the bus disconnector unit 70 is supported by a gantry 203 erected on the base 201.
  • the bus disconnector unit 70 includes a container 71, a three-phase bus 72 housed in the container 71, a disconnector, and a grounding switch.
  • the bus disconnector unit 80 includes a container 81, a three-phase bus 82 housed in the container 81, a disconnector, and a grounding switch.
  • the gas-insulated switchgear 1 includes a first circuit breaker unit 50a, a second circuit breaker unit 50b, and a third circuit breaker unit 50c.
  • the fixed side electrodes and the movable side electrodes of the circuit breakers 52a, 52b, 52c are in contact with each other by the operating units 53a, 53b, 53c, respectively. Be separated. Therefore, the circuit breaker 52a of the first circuit breaker unit 50a, the circuit breaker 52b of the second circuit breaker unit 50b, and the circuit breaker 52c of the third circuit breaker unit 50c can be operated individually.
  • the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c have operation units 53a, 53b, and 53c for operating the circuit breakers 52a, 52b, and 52c, respectively.
  • the operation units 53a, 53b, 53c for individually operating the circuit breakers 52a, 52b, 52c are to be housed in the container.
  • the container becomes extremely large, leading to an increase in size.
  • the gas-insulated switchgear 1 becomes smaller by forming the circuit breaker in a phase-separated configuration.
  • the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c are connected to the line disconnector unit 30 via the phase distribution unit 40, and the bus disconnector is disconnected via the phase distribution unit 60. It is connected to the instrument units 70 and 80.
  • the line disconnector unit 30, the bus disconnector units 70 and 80, and the connector head unit 10 are three-phase collective type units. Therefore, the size is reduced as compared with the phase separation configuration.
  • the gas-insulated switchgear 1 includes a first circuit breaker unit 50a, a second circuit breaker unit 50b, and a third circuit breaker unit 50c.
  • the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c can individually operate the circuit breakers 52a, 52b, and 52c by the respective operation units 53a, 53b, and 53c.
  • the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c have operation units 53a, 53b, and 53c for operating the circuit breakers 52a, 52b, and 52c, respectively.
  • the gas-insulated switchgear 1 can be miniaturized by forming the circuit breaker in a phase-separated configuration.
  • the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c are connected to the line disconnector unit 30 via the phase distribution unit 40, and are connected to the line disconnector unit 30 via the phase distribution unit 60. It is connected to the bus disconnector units 70 and 80.
  • the line disconnector unit 30, the bus disconnector units 70 and 80, and the connector head unit 10 are three-phase collective type units. Therefore, it can be downsized as compared with the phase separation configuration.
  • the container 41 of the phase distribution unit 40 has a centralized accommodating portion 41 m for collectively accommodating conductors 42a, 42b, 42c of each phase, and a branch accommodating portion 41a for accommodating conductors 42a, 42b, 42c of each layer, respectively. It includes 41b and 41c.
  • branch accommodating portions 41a, 41b, 41c, the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c can be connected to the three-phase collective line disconnector unit 30.
  • phase distribution unit 60 has the same configuration as the phase distribution unit 40, the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50b are compared with the three-phase batch type bus disconnector units 70 and 80.
  • the disconnector unit 50c can be easily connected.
  • the phase distribution units 40 and 60 have built-in current transformers 43a to 43c and 63a to 63c for each phase.
  • the current transformers 43a to 43c and 63a to 63c are arranged in the branch accommodating portions 41a to 41c and 61a to 61c accommodating the conductors 42a to 42c and 62a to 62c of the phase distribution units 40 and 60, respectively. Since the branch accommodating portions 41a to 41c and 61a to 61c constituting the containers 41 and 61 of the phase distribution units 40 and 60 are interposed between the adjacent current transformers 43a to 43c and 63a to 63c, they are collectively changed. The influence of each phase can be reduced as compared with the one accommodating the current transformers 43a to 43c and 63a to 63c.
  • the containers 41 and 61 of the phase distribution units 40 and 60 are branched from the centralized accommodating portions 41m and 61m and the centralized accommodating portions 41m and 61m for collectively accommodating the conductors 42a to 42c and 62a to 62c of each phase. It is provided with three branch accommodating portions 41a to 41c and 61a to 61c for accommodating conductors 42a to 42c and 62a to 62c of each phase, respectively. Therefore, the three-phase conductors 42a to 42c and 62a to 62c can be easily applied to the circuit breaker 52a of the first circuit breaker unit 50a, the circuit breaker 52b of the second circuit breaker unit 50b, and the circuit breaker 52c of the third circuit breaker unit 50c, respectively. You can connect.
  • Three-phase batch type insulating spacers 103, 106, 107 are interposed between the phase distribution unit 40 and the line disconnector unit 30, and between the phase distribution unit 60 and the bus disconnector units 70, 80. There is. Single-phase insulation is provided between the branch accommodating portions 41a to 41c, 61a to 61c of the phase distribution units 40 and 60 and the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c. Spacers 104a, 104b, 104c, 105a are interposed.
  • the line disconnector unit 30, the phase distribution unit 40, the first circuit breaker unit 50a, the second circuit breaker unit 50b, the third circuit breaker unit 50c, the phase distribution unit 60, and the bus disconnector units 70 and 80 are divided into gas compartments. it can.
  • a lightning arrester may be provided.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

The present invention addresses the problem of providing a small-sized gas-insulated switchgear capable of individually operating a three-phase circuit breaker. A gas-insulated switchgear 1 includes a line disconnector unit 30 of a three-phase collective type, and busbar disconnector units 70, 80 of a three-phase collective type with built-in busbars 72, 82. The gas insulated switchgear 1 also includes a single-phase type first circuit breaker unit 50a, a single-phase type second circuit breaker unit 50b, and a single-phase type third circuit breaker unit 50c that are is interposed between the line disconnector unit 30 and the busbar disconnector units 70, 80, accommodate circuit breakers 52a-52c, respectively, for each phase, and arrange the circuit breakers 52a-52c in the vertical direction.

Description

ガス絶縁開閉装置Gas insulation switchgear
　本発明は、ガス絶縁開閉装置に関する。 The present invention relates to a gas-insulated switchgear.
　ガス絶縁開閉装置は、大地電位の気密容器内にＳＦ６ガスなどの絶縁性の気体を封入し、その容器内に遮断器、断路器、接地開閉器などの開閉機器類を収納して構成される（例えば、特許文献１参照）。 The gas-insulated switch is configured by enclosing an insulating gas such as SF6 gas in an airtight container with earth potential, and storing switching devices such as circuit breakers, circuit breakers, and grounding switches in the container. (See, for example, Patent Document 1).
国際公開第２００７／１４８３７４号International Publication No. 2007/148374
　ところで、三相の遮断器について、三相同時操作に加え、一相のみの操作が要求される場合がある。この場合、ガス絶縁開閉装置は、各相の電路を独立した構成、つまり相分離した構成とされ、大型化してしまう。 By the way, for a three-phase circuit breaker, in addition to three-phase simultaneous operation, only one-phase operation may be required. In this case, the gas-insulated switchgear has an independent configuration of electric circuits for each phase, that is, a phase-separated configuration, resulting in an increase in size.
　本発明の目的は、小型で三相の遮断器を個別に操作可能なガス絶縁開閉装置を提供することにある。 An object of the present invention is to provide a gas-insulated switchgear that is compact and can individually operate a three-phase circuit breaker.
　上記課題を解決するガス絶縁開閉装置は、三相一括形の線路断路器ユニットと、三相一括形であり、母線及び断路器を内蔵した母線断路器ユニットと、前記線路断路器ユニットと前記母線断路器ユニットとの間に介在され、相毎の遮断器をそれぞれ収容し、前記遮断器を垂直に配置する単相形の第１遮断器ユニット、第２遮断器ユニット、及び第３遮断器ユニットと、を備えた。この構成によれば、小型で三相の遮断器を個別に操作可能なガス絶縁開閉装置を提供できる。 The gas-insulated circuit breaker unit that solves the above problems is a three-phase batch type circuit breaker unit, a three-phase batch type bus circuit breaker unit with a built-in bus and a circuit breaker, and the line circuit breaker unit and the bus. A single-phase first circuit breaker unit, a second circuit breaker unit, and a third circuit breaker unit, which are interposed between the circuit breaker unit and accommodate the circuit breakers for each phase, and arrange the circuit breakers vertically. , Equipped with. According to this configuration, it is possible to provide a gas-insulated switchgear that is small and can operate a three-phase circuit breaker individually.
　上記のガス絶縁開閉装置において、前記第１遮断器ユニット、前記第２遮断器ユニット、及び前記第３遮断器ユニットは、それぞれ操作部を有することが好ましい。この構成によれば、小型で三相の遮断器を個別に操作可能なガス絶縁開閉装置を提供できる。 In the gas-insulated switchgear, it is preferable that the first circuit breaker unit, the second circuit breaker unit, and the third circuit breaker unit each have an operation unit. According to this configuration, it is possible to provide a gas-insulated switchgear that is small and can operate a three-phase circuit breaker individually.
　上記のガス絶縁開閉装置において、前記第１遮断器ユニット、前記第２遮断器ユニット、及び前記第３遮断器ユニットと前記線路断路器ユニットとの間に接続された第１相分配ユニットと、前記第１遮断器ユニット、前記第２遮断器ユニット、及び前記第３遮断器ユニットと前記母線断路器ユニットとの間に接続された第２相分配ユニットと、を備えることが好ましい。この構成によれば、第１遮断器ユニット、第２遮断器ユニット、及び第３遮断器ユニットを線路断路器ユニット、母線断路器ユニットに容易に接続できる。 In the gas-insulated switchgear, the first circuit breaker unit, the second circuit breaker unit, the first phase distribution unit connected between the third circuit breaker unit and the line disconnector unit, and the above. It is preferable to include a first circuit breaker unit, the second circuit breaker unit, and a second phase distribution unit connected between the third circuit breaker unit and the bus disconnector unit. According to this configuration, the first circuit breaker unit, the second circuit breaker unit, and the third circuit breaker unit can be easily connected to the line disconnector unit and the bus disconnector unit.
　上記のガス絶縁開閉装置において、前記第１相分配ユニット及び前記第２相分配ユニットの容器は、各相の導体を一括して収容する集中収容部と、前記集中収容部から分岐して各相の導体をそれぞれ収容する３つの枝収容部とを備えることが好ましい。この構成によれば、三相の導体を第１遮断器ユニットの遮断器と第２遮断器ユニットの遮断器と第３遮断器ユニットの遮断器にそれぞれ容易に接続できる。 In the gas-insulated switchgear, the containers of the first phase distribution unit and the second phase distribution unit are divided into a centralized accommodating portion for collectively accommodating conductors of each phase and each phase branched from the centralized accommodating portion. It is preferable to provide three branch accommodating portions for accommodating the conductors of the above. According to this configuration, the three-phase conductors can be easily connected to the circuit breaker of the first circuit breaker unit, the circuit breaker of the second circuit breaker unit, and the circuit breaker of the third circuit breaker unit, respectively.
　上記のガス絶縁開閉装置において、前記枝収容部のそれぞれには、各相の導体がそれぞれ貫通する各相の変流器が設けられていることが好ましい。この構成によれば、各相の変流器に対して隣りあう相の影響を低減できる。 In the gas-insulated switchgear, it is preferable that each of the branch accommodating portions is provided with a current transformer of each phase through which the conductor of each phase penetrates. According to this configuration, the influence of adjacent phases on the current transformer of each phase can be reduced.
　上記のガス絶縁開閉装置において、前記第１相分配ユニットと前記線路断路器ユニットとの間、前記第２相分配ユニットと前記母線断路器ユニットとの間には三相一括形の絶縁スペーサが介在され、前記第１相分配ユニット及び前記第２相分配ユニットの各枝収容部と前記第１遮断器ユニット、前記第２遮断器ユニット、及び前記第３遮断器ユニットとの間には、単相形の絶縁スペーサが介在されていることが好ましい。この構成によれば、線路断路器ユニット、第１相分配ユニット、第１遮断器ユニット、第２遮断器ユニット、第３遮断器ユニット、第２相分配ユニット、及び母線断路器ユニットをガス区画できる。 In the gas-insulated switchgear, a three-phase batch type insulating spacer is interposed between the first phase distribution unit and the line disconnector unit, and between the second phase distribution unit and the bus disconnector unit. A single phase type is formed between each branch accommodating portion of the first phase distribution unit and the second phase distribution unit and the first disconnector unit, the second disconnector unit, and the third disconnector unit. It is preferable that the insulating spacer of the above is interposed. According to this configuration, the line disconnector unit, the first phase distribution unit, the first circuit breaker unit, the second circuit breaker unit, the third circuit breaker unit, the second phase distribution unit, and the bus disconnector unit can be gas partitioned. ..
　本発明によれば、小型で三相の遮断器を個別に操作可能なガス絶縁開閉装置を提供できる。 According to the present invention, it is possible to provide a gas-insulated switchgear that is compact and can individually operate a three-phase circuit breaker.
ガス絶縁開閉装置の概略斜視図。Schematic perspective of the gas-insulated switchgear. ガス絶縁開閉装置の概略平面図。Schematic plan view of the gas-insulated switchgear. ガス絶縁開閉装置の概略側面図。Schematic side view of a gas-insulated switchgear. ガス絶縁開閉装置の概略断面図。Schematic cross-sectional view of a gas-insulated switchgear. 相分離ユニットと第１遮断器ユニット、第２遮断器ユニット、及び第３遮断器ユニットとの接続を示す概略断面図。FIG. 6 is a schematic cross-sectional view showing a connection between a phase separation unit and a first circuit breaker unit, a second circuit breaker unit, and a third circuit breaker unit.
　以下、一実施形態を説明する。
　図１、図２、図３及び図４に示すように、ガス絶縁開閉装置１は、ベース２０１の上に配設されたコネクタヘッドユニット１０、計器用変圧器（ＶＴ）２０、線路断路器ユニット３０、相分配ユニット４０，６０、第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、第３遮断器ユニット５０ｃ、母線断路器ユニット７０，８０、制御箱９０を備えている。 Hereinafter, one embodiment will be described.
As shown in FIGS. 1, 2, 3 and 4, the gas-insulated switchgear 1 includes a connector head unit 10 arranged on a base 201, a voltage transformer (VT) 20, and a circuit breaker unit. 30, a phase distribution unit 40, 60, a first circuit breaker unit 50a, a second circuit breaker unit 50b, a third circuit breaker unit 50c, a bus disconnector unit 70, 80, and a control box 90 are provided.
　コネクタヘッドユニット１０は、ベース２０１に立設された架台２０２に固定されている。計器用変圧器２０は、絶縁スペーサ１０１を介してコネクタヘッドユニット１０の上に連結されている。コネクタヘッドユニット１０と計器用変圧器２０は、絶縁スペーサ１０１により仕切られている。 The connector head unit 10 is fixed to a gantry 202 erected on the base 201. The voltage transformer 20 is connected on the connector head unit 10 via an insulating spacer 101. The connector head unit 10 and the voltage transformer 20 are separated by an insulating spacer 101.
　コネクタヘッドユニット１０は、容器１１と、容器１１に収容された３つのコネクタヘッド（ＣＨＤ）１２、コネクタヘッド１２に接続された三相の導体１３とを有している。なお、図４では、２つのコネクタヘッド１２が示されている。なお、以下の説明における部材についても、各図において一部が示されている場合がある。 The connector head unit 10 has a container 11, three connector heads (CHD) 12 housed in the container 11, and a three-phase conductor 13 connected to the connector head 12. Note that FIG. 4 shows two connector heads 12. In addition, some members in the following description may be shown in each figure.
　また、コネクタヘッドユニット１０は絶縁スペーサ１０２を介して線路断路器ユニット３０に接続されている。コネクタヘッドユニット１０と線路断路器ユニット３０は、絶縁スペーサ１０２により仕切られている。 Further, the connector head unit 10 is connected to the line disconnector unit 30 via an insulating spacer 102. The connector head unit 10 and the line disconnector unit 30 are separated by an insulating spacer 102.
　線路断路器ユニット３０は、容器３１と、容器３１に内蔵された断路器（ＤＳ）３２と接地遮断器（ＥＳ）３３と、三相の導体３４とを有している。絶縁スペーサ１０２は、三相一括形の絶縁スペーサであり、コネクタヘッドユニット１０に内蔵された三相の導体１３と線路断路器ユニット３０に内蔵された三相の導体３４とを接続する接続導体を有している。 The line disconnector unit 30 has a container 31, a disconnector (DS) 32 built in the container 31, a ground circuit breaker (ES) 33, and a three-phase conductor 34. The insulating spacer 102 is a three-phase collective type insulating spacer, and is a connecting conductor that connects the three-phase conductor 13 built in the connector head unit 10 and the three-phase conductor 34 built in the line disconnector unit 30. Have.
　線路断路器ユニット３０は絶縁スペーサ１０３を介して相分配ユニット４０に接続されている。線路断路器ユニット３０と相分配ユニット４０は、絶縁スペーサ１０３により仕切られている。相分配ユニット４０は三相の導体４２を内蔵している。三相の導体４２は、図５に示す導体４２ａ，４２ｂ，４２ｃにより構成されている。絶縁スペーサ１０３は、三相一括形の絶縁スペーサであり、線路断路器ユニット３０に内蔵された三相の導体３４と相分配ユニット４０に内蔵された三相の導体４２とを接続する接続導体を有している。 The line disconnector unit 30 is connected to the phase distribution unit 40 via an insulating spacer 103. The line disconnector unit 30 and the phase distribution unit 40 are separated by an insulating spacer 103. The phase distribution unit 40 contains a three-phase conductor 42. The three-phase conductor 42 is composed of the conductors 42a, 42b, 42c shown in FIG. The insulating spacer 103 is a three-phase collective type insulating spacer, and is a connecting conductor that connects a three-phase conductor 34 built in the line disconnector unit 30 and a three-phase conductor 42 built in the phase distribution unit 40. Have.
　図２に示すように、相分配ユニット４０は、絶縁スペーサ１０４ａ，１０４ｂ，１０４ｃを介して第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、第３遮断器ユニット５０ｃに接続されている。相分配ユニット４０と第１遮断器ユニット５０ａは絶縁スペーサ１０４ａにより仕切られている。相分配ユニット４０と第２遮断器ユニット５０ｂは絶縁スペーサ１０４ｂにより仕切られている。相分配ユニット４０と第３遮断器ユニット５０ｃは、絶縁スペーサ１０４ｃにより仕切られている。 As shown in FIG. 2, the phase distribution unit 40 is connected to the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c via the insulating spacers 104a, 104b, 104c. The phase distribution unit 40 and the first circuit breaker unit 50a are separated by an insulating spacer 104a. The phase distribution unit 40 and the second circuit breaker unit 50b are separated by an insulating spacer 104b. The phase distribution unit 40 and the third circuit breaker unit 50c are separated by an insulating spacer 104c.
　図５に示すように、第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、第３遮断器ユニット５０ｃは、容器５１ａ，５１ｂ，５１ｃと、容器５１ａ，５１ｂ，５１ｃにそれぞれ収容された遮断器５２ａ，５２ｂ，５２ｃと、を有している。第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、及び第３遮断器ユニット５０ｃは、遮断器５２ａ，５２ｂ，５２ｃを垂直に配置する単相形の遮断器ユニットである。本実施形態において、第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、及び第３遮断器ユニット５０ｃは、制御箱９０に立設されている。 As shown in FIG. 5, the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c are circuit breakers housed in the containers 51a, 51b, 51c and the containers 51a, 51b, 51c, respectively. It has 52a, 52b, 52c and so on. The first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c are single-phase circuit breaker units in which the circuit breakers 52a, 52b, and 52c are arranged vertically. In the present embodiment, the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c are erected in the control box 90.
　図１に示すように、第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、及び第３遮断器ユニット５０ｃは、それぞれ操作部５３ａ，５３ｂ，５３ｃを有している。図４に示すように、制御箱９０には、操作部５３ａ，５３ｂ，５３ｃをそれぞれ制御する操作器９１ａ，９１ｂ，９１ｃが設けられている。各操作部５３ａ，５３ｂ，５３ｃは、それぞれの制御により、図５参照に示す遮断器５２ａ，５２ｂ，５２ｃの固定側電極と可動側電極とを接離する。全ての操作器９１ａ，９１ｂ，９１ｃにより、操作部５１ａ，５１ｂ，５１ｃ、つまり三相の第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、及び第３遮断器ユニット５０ｃを同時操作できる。また、操作器９１ａにより、操作部５１ａ、つまり一相の第１遮断器ユニット５０ａのみを操作できる。同様に、操作器９１ｂ又は操作器９１ｃにより、操作部５１ｂ又は操作部５１ｃ、つまり一相の第２遮断器ユニット５０ｂ又は第３遮断器ユニット５０ｃのみを操作できる。 As shown in FIG. 1, the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c have operation units 53a, 53b, and 53c, respectively. As shown in FIG. 4, the control box 90 is provided with actuators 91a, 91b, 91c for controlling the operation units 53a, 53b, 53c, respectively. Each operation unit 53a, 53b, 53c connects and separates the fixed side electrode and the movable side electrode of the circuit breakers 52a, 52b, 52c shown in FIG. 5 by their respective controls. All the actuators 91a, 91b, 91c can simultaneously operate the operation units 51a, 51b, 51c, that is, the three-phase first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c. Further, the operating device 91a can operate only the operating unit 51a, that is, the one-phase first circuit breaker unit 50a. Similarly, the operating device 91b or the operating device 91c can operate only the operating unit 51b or the operating unit 51c, that is, the one-phase second circuit breaker unit 50b or the third circuit breaker unit 50c.
　図５に示すように、相分配ユニット４０は、容器４１と、容器４１に内蔵された各相の導体４２ａ，４２ｂ，４２ｃを有している。相分配ユニット４０の容器４１は、各相の導体４２ａ，４２ｂ，４２ｃを一括して収容する集中収容部４１ｍと、集中収容部４１ｍから分岐して各相の導体４２ａ，４２ｂ，４２ｃをそれぞれ収容する３つの枝収容部４１ａ，４１ｂ，４１ｃとを備える。枝収容部４１ａは、絶縁スペーサ１０４ａを介して第１遮断器ユニット５０ａに接続されている。同様に、枝収容部４１ｂは絶縁スペーサ１０４ｂを介して第２遮断器ユニット５０ｂに接続され、枝収容部４１ｃは絶縁スペーサ１０４ｃを介して第３遮断器ユニット５０ｃに接続されている。 As shown in FIG. 5, the phase distribution unit 40 has a container 41 and conductors 42a, 42b, 42c of each phase built in the container 41. The container 41 of the phase distribution unit 40 collectively accommodates the conductors 42a, 42b, 42c of each phase, and the centralized accommodating portion 41m, which branches from the centralized accommodating portion 41m and accommodates the conductors 42a, 42b, 42c of each phase, respectively. It is provided with three branch accommodating portions 41a, 41b, 41c. The branch accommodating portion 41a is connected to the first circuit breaker unit 50a via an insulating spacer 104a. Similarly, the branch accommodating portion 41b is connected to the second circuit breaker unit 50b via the insulating spacer 104b, and the branch accommodating portion 41c is connected to the third circuit breaker unit 50c via the insulating spacer 104c.
　絶縁スペーサ１０４ａ，１０４ｂ，１０４ｃは、それぞれ単相形の絶縁スペーサである。導体４２ａは、絶縁スペーサ１０４ａの接続導体を介して、第１遮断器ユニット５０ａに内蔵された遮断器５２ａと接続されている。導体４２ｂは、絶縁スペーサ１０４ｂの接続導体を介して、第２遮断器ユニット５０ｂに内蔵された遮断器５２ｂと接続されている。導体４２ｃは、絶縁スペーサ１０４ｃの接続導体を介して、第３遮断器ユニット５０ｃに内蔵された遮断器５２ｃと接続されている。 The insulating spacers 104a, 104b, and 104c are single-phase insulating spacers, respectively. The conductor 42a is connected to the circuit breaker 52a built in the first circuit breaker unit 50a via the connecting conductor of the insulating spacer 104a. The conductor 42b is connected to the circuit breaker 52b built in the second circuit breaker unit 50b via the connecting conductor of the insulating spacer 104b. The conductor 42c is connected to the circuit breaker 52c built in the third circuit breaker unit 50c via the connecting conductor of the insulating spacer 104c.
　また、相分配ユニット４０は、各相の変流器（ＣＴ）４３ａ，４３ｂ，４３ｃを内蔵している。変流器４３ａは、第１遮断器ユニット５０ａの遮断器５２ａに接続される導体４２ａが貫通するように設けられている。変流器４３ｂは、第２遮断器ユニット５０ｂの遮断器５２ｂに接続される導体４２ｂが貫通するように設けられている。変流器４３ｃは、第３遮断器ユニット５０ｃの遮断器５２ｃに接続される導体４２ｃが貫通するように設けられている。 Further, the phase distribution unit 40 has a built-in current transformer (CT) 43a, 43b, 43c for each phase. The current transformer 43a is provided so as to penetrate the conductor 42a connected to the circuit breaker 52a of the first circuit breaker unit 50a. The current transformer 43b is provided so as to penetrate the conductor 42b connected to the circuit breaker 52b of the second circuit breaker unit 50b. The current transformer 43c is provided so as to penetrate the conductor 42c connected to the circuit breaker 52c of the third circuit breaker unit 50c.
　第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、第３遮断器ユニット５０ｃは、絶縁スペーサ１０５ａ，１０５ｂ，１０５ｃを介して図１，図３、及び図４に示す相分配ユニット６０に接続されている。第２遮断器ユニット５０ｂ、第３遮断器ユニット５０ｃと相分配ユニット６０との間に介在される絶縁スペーサ１０５ｂ，１０５ｃについては図が省略されている。絶縁スペーサ１０５ａ，１０５ｂ，１０５ｃは、図５に示す絶縁スペーサ１０４ａ，１０４ｂ，１０４ｃと同様に、単相の絶縁スペーサである。 The first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c are connected to the phase distribution unit 60 shown in FIGS. 1, 3, and 4 via insulating spacers 105a, 105b, and 105c. ing. The drawings of the insulating spacers 105b and 105c interposed between the second circuit breaker unit 50b and the third circuit breaker unit 50c and the phase distribution unit 60 are omitted. The insulating spacers 105a, 105b, 105c are single-phase insulating spacers, similar to the insulating spacers 104a, 104b, 104c shown in FIG.
　相分配ユニット６０は、図５に示す相分配ユニット４０と同様に構成され、容器６１と、容器６１に内蔵された導体６２（６２ａ，６２ｂ，６２ｃ）を有している。相分配ユニット６０の容器６１は、各相の導体６２ａ，６２ｂ，６２ｃを一括して収容する集中収容部６１ｍと、集中収容部６１ｍから分岐して各相の導体６２ａ，６２ｂ，６２ｃをそれぞれ収容する３つの枝収容部６１ａ，６１ｂ，６１ｃとを備える。 The phase distribution unit 60 is configured in the same manner as the phase distribution unit 40 shown in FIG. 5, and has a container 61 and conductors 62 (62a, 62b, 62c) built in the container 61. The container 61 of the phase distribution unit 60 accommodates the conductors 62a, 62b, 62c of each phase collectively, and the conductors 62a, 62b, 62c of each phase, which are branched from the centralized accommodation unit 61m. It is provided with three branch accommodating portions 61a, 61b, 61c.
　相分配ユニット６０は、相分配ユニット４０と同様に、各相の変流器（ＣＴ）６３ａ，６３ｂ，６３ｃを内蔵している。変流器６３ａは、第１遮断器ユニット５０ａの遮断器５２ａに接続される導体６２ａが貫通するように設けられている。変流器６３ｂは、第２遮断器ユニット５０ｂの遮断器５２ｂに接続される導体６２ｂが貫通するように設けられている。変流器６３ｃは、第３遮断器ユニット５０ｃの遮断器５２ｃに接続される導体６２ｃが貫通するように設けられている。 The phase distribution unit 60 has a built-in current transformer (CT) 63a, 63b, 63c for each phase, similarly to the phase distribution unit 40. The current transformer 63a is provided so as to penetrate the conductor 62a connected to the circuit breaker 52a of the first circuit breaker unit 50a. The current transformer 63b is provided so as to penetrate the conductor 62b connected to the circuit breaker 52b of the second circuit breaker unit 50b. The current transformer 63c is provided so as to penetrate the conductor 62c connected to the circuit breaker 52c of the third circuit breaker unit 50c.
　図３及び図４に示すように、相分配ユニット６０は、絶縁スペーサ１０６，１０７を介して母線断路器ユニット７０，８０に接続されている。絶縁スペーサ１０６，１０７は、三相一括形の絶縁スペーサである。図１、図３に示すように、母線断路器ユニット７０は、ベース２０１に立設された架台２０３により支持されている。母線断路器ユニット７０は、容器７１と、容器７１に収容された三相の母線７２、断路器及び接地開閉器を内蔵している。母線断路器ユニット８０は、容器８１と、容器８１に収容された三相の母線８２、断路器及び接地開閉器を内蔵している。 As shown in FIGS. 3 and 4, the phase distribution unit 60 is connected to the bus disconnector units 70 and 80 via insulating spacers 106 and 107. The insulating spacers 106 and 107 are three-phase batch type insulating spacers. As shown in FIGS. 1 and 3, the bus disconnector unit 70 is supported by a gantry 203 erected on the base 201. The bus disconnector unit 70 includes a container 71, a three-phase bus 72 housed in the container 71, a disconnector, and a grounding switch. The bus disconnector unit 80 includes a container 81, a three-phase bus 82 housed in the container 81, a disconnector, and a grounding switch.
　（作用）
　次に、上記のガス絶縁開閉装置１の作用を説明する。
　ガス絶縁開閉装置１は、第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、及び第３遮断器ユニット５０ｃを備える。第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、第３遮断器ユニット５０ｃは、それぞれの操作部５３ａ，５３ｂ，５３ｃにより遮断器５２ａ，５２ｂ，５２ｃの固定側電極と可動側電極とが接離される。従って、第１遮断器ユニット５０ａの遮断器５２ａ、第２遮断器ユニット５０ｂの遮断器５２ｂ、第３遮断器ユニット５０ｃの遮断器５２ｃをそれぞれ個別に操作できる。 (Action)
Next, the operation of the gas-insulated switchgear 1 will be described.
The gas-insulated switchgear 1 includes a first circuit breaker unit 50a, a second circuit breaker unit 50b, and a third circuit breaker unit 50c. In the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c, the fixed side electrodes and the movable side electrodes of the circuit breakers 52a, 52b, 52c are in contact with each other by the operating units 53a, 53b, 53c, respectively. Be separated. Therefore, the circuit breaker 52a of the first circuit breaker unit 50a, the circuit breaker 52b of the second circuit breaker unit 50b, and the circuit breaker 52c of the third circuit breaker unit 50c can be operated individually.
　第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、第３遮断器ユニット５０ｃは、それぞれ遮断器５２ａ，５２ｂ，５２ｃを操作する操作部５３ａ，５３ｂ，５３ｃを有している。三相の遮断器５２ａ，５２ｂ，５２ｃを三相一括として容器に収容するとともに、その容器に各遮断器５２ａ，５２ｂ，５２ｃを個別に操作する操作部５３ａ，５３ｂ，５３ｃを収容しようとすると、容器が極めて大きくなり、大型化を招く。これに対し、本実施形態では、遮断器を相分離構成とすることによりガス絶縁開閉装置１が小型となる。 The first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c have operation units 53a, 53b, and 53c for operating the circuit breakers 52a, 52b, and 52c, respectively. When the three- phase circuit breakers 52a, 52b, 52c are housed in a container as a three-phase package, and the operation units 53a, 53b, 53c for individually operating the circuit breakers 52a, 52b, 52c are to be housed in the container. The container becomes extremely large, leading to an increase in size. On the other hand, in the present embodiment, the gas-insulated switchgear 1 becomes smaller by forming the circuit breaker in a phase-separated configuration.
　第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、及び第３遮断器ユニット５０ｃは、相分配ユニット４０を介して線路断路器ユニット３０に接続されるとともに、相分配ユニット６０を介して母線断路器ユニット７０，８０に接続される。線路断路器ユニット３０、母線断路器ユニット７０，８０、コネクタヘッドユニット１０は、三相一括形のユニットである。従って、相分離の構成と比べ小型化される。 The first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c are connected to the line disconnector unit 30 via the phase distribution unit 40, and the bus disconnector is disconnected via the phase distribution unit 60. It is connected to the instrument units 70 and 80. The line disconnector unit 30, the bus disconnector units 70 and 80, and the connector head unit 10 are three-phase collective type units. Therefore, the size is reduced as compared with the phase separation configuration.
　以上記述したように、本実施形態によれば、以下の効果を奏する。
　（１）ガス絶縁開閉装置１は、第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、及び第３遮断器ユニット５０ｃを備える。第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、第３遮断器ユニット５０ｃは、それぞれの操作部５３ａ，５３ｂ，５３ｃにより遮断器５２ａ，５２ｂ，５２ｃをそれぞれ個別に操作できる。 As described above, according to the present embodiment, the following effects are obtained.
(1) The gas-insulated switchgear 1 includes a first circuit breaker unit 50a, a second circuit breaker unit 50b, and a third circuit breaker unit 50c. The first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c can individually operate the circuit breakers 52a, 52b, and 52c by the respective operation units 53a, 53b, and 53c.
　（２）第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、第３遮断器ユニット５０ｃは、それぞれ遮断器５２ａ，５２ｂ，５２ｃを操作する操作部５３ａ，５３ｂ，５３ｃを有している。このように、遮断器を相分離構成とすることによりガス絶縁開閉装置１を小型化できる。 (2) The first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c have operation units 53a, 53b, and 53c for operating the circuit breakers 52a, 52b, and 52c, respectively. In this way, the gas-insulated switchgear 1 can be miniaturized by forming the circuit breaker in a phase-separated configuration.
　（３）第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、及び第３遮断器ユニット５０ｃは、相分配ユニット４０を介して線路断路器ユニット３０に接続されるとともに、相分配ユニット６０を介して母線断路器ユニット７０，８０に接続される。線路断路器ユニット３０、母線断路器ユニット７０，８０、コネクタヘッドユニット１０は、三相一括形のユニットである。従って、相分離の構成と比べ小型化できる。 (3) The first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c are connected to the line disconnector unit 30 via the phase distribution unit 40, and are connected to the line disconnector unit 30 via the phase distribution unit 60. It is connected to the bus disconnector units 70 and 80. The line disconnector unit 30, the bus disconnector units 70 and 80, and the connector head unit 10 are three-phase collective type units. Therefore, it can be downsized as compared with the phase separation configuration.
　（４）相分配ユニット４０の容器４１は、各相の導体４２ａ，４２ｂ，４２ｃを一括して収容する集中収容部４１ｍと、各層の導体４２ａ，４２ｂ，４２ｃをそれぞれ収容する枝収容部４１ａ，４１ｂ，４１ｃとを備える。これらの枝収容部４１ａ，４１ｂ，４１ｃにより、第１遮断器ユニット５０ａ，第２遮断器ユニット５０ｂ、第３遮断器ユニット５０ｃを、三相一括形の線路断路器ユニット３０に連結できる。相分配ユニット６０についても相分配ユニット４０と同様の構成であるため、三相一括形の母線断路器ユニット７０，８０に対して、第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、第３遮断器ユニット５０ｃを容易に接続できる。 (4) The container 41 of the phase distribution unit 40 has a centralized accommodating portion 41 m for collectively accommodating conductors 42a, 42b, 42c of each phase, and a branch accommodating portion 41a for accommodating conductors 42a, 42b, 42c of each layer, respectively. It includes 41b and 41c. By these branch accommodating portions 41a, 41b, 41c, the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c can be connected to the three-phase collective line disconnector unit 30. Since the phase distribution unit 60 has the same configuration as the phase distribution unit 40, the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50b are compared with the three-phase batch type bus disconnector units 70 and 80. The disconnector unit 50c can be easily connected.
　（５）相分配ユニット４０，６０は、各相の変流器４３ａ～４３ｃ，６３ａ～６３ｃを内蔵している。各変流器４３ａ～４３ｃ，６３ａ～６３ｃは、それぞれ相分配ユニット４０，６０の導体４２ａ～４２ｃ，６２ａ～６２ｃを収容する枝収容部４１ａ～４１ｃ，６１ａ～６１ｃに配設されている。隣り合う変流器４３ａ～４３ｃ，６３ａ～６３ｃの間には、相分配ユニット４０，６０の容器４１，６１を構成する枝収容部４１ａ～４１ｃ，６１ａ～６１ｃが介在するため、一括して変流器４３ａ～４３ｃ，６３ａ～６３ｃを収容するものと比べ、各相の影響を低減できる。 (5) The phase distribution units 40 and 60 have built-in current transformers 43a to 43c and 63a to 63c for each phase. The current transformers 43a to 43c and 63a to 63c are arranged in the branch accommodating portions 41a to 41c and 61a to 61c accommodating the conductors 42a to 42c and 62a to 62c of the phase distribution units 40 and 60, respectively. Since the branch accommodating portions 41a to 41c and 61a to 61c constituting the containers 41 and 61 of the phase distribution units 40 and 60 are interposed between the adjacent current transformers 43a to 43c and 63a to 63c, they are collectively changed. The influence of each phase can be reduced as compared with the one accommodating the current transformers 43a to 43c and 63a to 63c.
　（６）相分配ユニット４０，６０の容器４１，６１は、各相の導体４２ａ～４２ｃ，６２ａ～６２ｃを一括して収容する集中収容部４１ｍ，６１ｍと、集中収容部４１ｍ，６１ｍから分岐して各相の導体４２ａ～４２ｃ，６２ａ～６２ｃをそれぞれ収容する３つの枝収容部４１ａ～４１ｃ，６１ａ～６１ｃとを備える。従って、三相の導体４２ａ～４２ｃ，６２ａ～６２ｃを第１遮断器ユニット５０ａの遮断器５２ａと第２遮断器ユニット５０ｂの遮断器５２ｂと第３遮断器ユニット５０ｃの遮断器５２ｃにそれぞれ容易に接続できる。 (6) The containers 41 and 61 of the phase distribution units 40 and 60 are branched from the centralized accommodating portions 41m and 61m and the centralized accommodating portions 41m and 61m for collectively accommodating the conductors 42a to 42c and 62a to 62c of each phase. It is provided with three branch accommodating portions 41a to 41c and 61a to 61c for accommodating conductors 42a to 42c and 62a to 62c of each phase, respectively. Therefore, the three-phase conductors 42a to 42c and 62a to 62c can be easily applied to the circuit breaker 52a of the first circuit breaker unit 50a, the circuit breaker 52b of the second circuit breaker unit 50b, and the circuit breaker 52c of the third circuit breaker unit 50c, respectively. You can connect.
　（７）相分配ユニット４０と線路断路器ユニット３０との間、相分配ユニット６０と母線断路器ユニット７０，８０との間には三相一括形の絶縁スペーサ１０３，１０６，１０７が介在されている。相分配ユニット４０，６０の各枝収容部４１ａ～４１ｃ，６１ａ～６１ｃと第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、及び第３遮断器ユニット５０ｃとの間には、単相形の絶縁スペーサ１０４ａ，１０４ｂ，１０４ｃ，１０５ａが介在されている。従って、線路断路器ユニット３０、相分配ユニット４０、第１遮断器ユニット５０ａ、第２遮断器ユニット５０ｂ、第３遮断器ユニット５０ｃ、相分配ユニット６０、及び母線断路器ユニット７０，８０をガス区画できる。 (7) Three-phase batch type insulating spacers 103, 106, 107 are interposed between the phase distribution unit 40 and the line disconnector unit 30, and between the phase distribution unit 60 and the bus disconnector units 70, 80. There is. Single-phase insulation is provided between the branch accommodating portions 41a to 41c, 61a to 61c of the phase distribution units 40 and 60 and the first circuit breaker unit 50a, the second circuit breaker unit 50b, and the third circuit breaker unit 50c. Spacers 104a, 104b, 104c, 105a are interposed. Therefore, the line disconnector unit 30, the phase distribution unit 40, the first circuit breaker unit 50a, the second circuit breaker unit 50b, the third circuit breaker unit 50c, the phase distribution unit 60, and the bus disconnector units 70 and 80 are divided into gas compartments. it can.
　（変更例）
　尚、上記各実施形態は、以下の態様で実施してもよい。
　・上記実施形態の母線断路器ユニット７０，８０の一方が省略されてもよい。 (Change example)
In addition, each of the above-mentioned embodiments may be carried out in the following embodiments.
-One of the bus disconnector units 70 and 80 of the above embodiment may be omitted.
　・上記実施形態に対し、避雷器を備える構成としてもよい。 -For the above embodiment, a lightning arrester may be provided.
　１…ガス絶縁開閉装置、３０…線路断路器ユニット、４０，６０…相分配ユニット、４２，４２ａ，４２ｂ，４２ｃ…導体、４３ａ，４３ｂ，４３ｃ…変流器、５０ａ…第１遮断器ユニット、５０ｂ…第２遮断器ユニット、５０ｃ…第３遮断器ユニット、５１ａ，５１ｂ，５１ｃ…容器、５２ａ，５２ｂ，５２ｃ…遮断器、５３ａ，５３ｂ，５３ｃ…操作部、７０，８０…母線断路器ユニット、７２，８２…母線、９０…操作箱、９１ａ，９１ｂ，９１ｃ…操作器、１０１～１０３，１０４ａ～１０４ｃ，１０５ａ～１０５ｃ，１０６，１０７…絶縁スペーサ。 1 ... Gas insulation switchgear, 30 ... Line breaker unit, 40, 60 ... Phase distribution unit, 42, 42a, 42b, 42c ... Conductor, 43a, 43b, 43c ... Current transformer, 50a ... First circuit breaker unit, 50b ... 2nd circuit breaker unit, 50c ... 3rd circuit breaker unit, 51a, 51b, 51c ... container, 52a, 52b, 52c ... circuit breaker, 53a, 53b, 53c ... operation unit, 70, 80 ... bus breaker unit , 72, 82 ... Busbar, 90 ... Operation box, 91a, 91b, 91c ... Operator, 101-103, 104a-104c, 105a-105c, 106, 107 ... Insulated spacer.

Claims (6)

  1. 　三相一括形の線路断路器ユニットと、
    　三相一括形であり、母線を内蔵した母線断路器ユニットと、
    　前記線路断路器ユニットと前記母線断路器ユニットとの間に介在され、相毎の遮断器をそれぞれ収容し、前記遮断器を垂直に配置する単相形の第１遮断器ユニット、第２遮断器ユニット、及び第３遮断器ユニットと、
    　を備えたガス絶縁開閉装置。     A three-phase batch type disconnector unit and
    A bus disconnector unit that is a three-phase batch type and has a built-in bus,
    A single-phase first circuit breaker unit and a second circuit breaker unit that are interposed between the line disconnector unit and the bus disconnector unit, accommodate each phase circuit breaker, and arrange the circuit breakers vertically. , And the third circuit breaker unit,
    Gas insulated switchgear equipped with.
  2. 　前記第１遮断器ユニット、前記第２遮断器ユニット、及び前記第３遮断器ユニットは、それぞれ操作部を有する、請求項１に記載のガス絶縁開閉装置。 The gas-insulated switchgear according to claim 1, wherein the first circuit breaker unit, the second circuit breaker unit, and the third circuit breaker unit each have an operation unit.
  3. 　前記第１遮断器ユニット、前記第２遮断器ユニット、及び前記第３遮断器ユニットと前記線路断路器ユニットとの間に接続された第１相分配ユニットと、
    　前記第１遮断器ユニット、前記第２遮断器ユニット、及び前記第３遮断器ユニットと前記母線断路器ユニットとの間に接続された第２相分配ユニットと、
    　を備えた、請求項１又は請求項２に記載のガス絶縁開閉装置。     The first circuit breaker unit, the second circuit breaker unit, and the first phase distribution unit connected between the third circuit breaker unit and the line disconnector unit.
    The first circuit breaker unit, the second circuit breaker unit, and the second phase distribution unit connected between the third circuit breaker unit and the bus disconnector unit.
    The gas-insulated switchgear according to claim 1 or 2, further comprising.
  4. 　前記第１相分配ユニット及び前記第２相分配ユニットの容器は、各相の導体を一括して収容する集中収容部と、前記集中収容部から分岐して各相の導体をそれぞれ収容する３つの枝収容部とを備える、請求項３に記載のガス絶縁開閉装置。 The container of the first phase distribution unit and the second phase distribution unit has a centralized accommodating portion for collectively accommodating conductors of each phase, and three branches from the centralized accommodating portion for accommodating conductors of each phase. The gas-insulated opening / closing device according to claim 3, further comprising a branch accommodating portion.
  5. 　前記枝収容部のそれぞれには、各相の導体がそれぞれ貫通する各相の変流器が設けられている、請求項４に記載のガス絶縁開閉装置。 The gas-insulated switchgear according to claim 4, wherein each of the branch accommodating portions is provided with a current transformer for each phase through which the conductor of each phase penetrates.
  6. 　前記第１相分配ユニットと前記線路断路器ユニットとの間、前記第２相分配ユニットと前記母線断路器ユニットとの間には三相一括形の絶縁スペーサが介在され、
    　前記第１相分配ユニット及び前記第２相分配ユニットの各枝収容部と前記第１遮断器ユニット、前記第２遮断器ユニット、及び前記第３遮断器ユニットとの間には、単相形の絶縁スペーサが介在されている、
    　請求項３から請求項５のいずれか一項に記載のガス絶縁開閉装置。     A three-phase collective type insulating spacer is interposed between the first phase distribution unit and the line disconnector unit, and between the second phase distribution unit and the bus disconnector unit.
    Single-phase insulation is provided between each branch accommodating portion of the first phase distribution unit and the second phase distribution unit and the first circuit breaker unit, the second circuit breaker unit, and the third circuit breaker unit. Intervening spacers,
    The gas-insulated switchgear according to any one of claims 3 to 5.
PCT/JP2019/017918 2019-04-26 2019-04-26 Gas-insulated switchgear WO2020217452A1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61205205U (en) * 1985-06-10 1986-12-24
WO2007148374A1 (en) * 2006-06-19 2007-12-27 Mitsubishi Electric Corporation Gas insulated power apparatus
JP2018201291A (en) * 2017-05-26 2018-12-20 株式会社東芝 Three-phase package type gas circuit breaker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61205205U (en) * 1985-06-10 1986-12-24
WO2007148374A1 (en) * 2006-06-19 2007-12-27 Mitsubishi Electric Corporation Gas insulated power apparatus
JP2018201291A (en) * 2017-05-26 2018-12-20 株式会社東芝 Three-phase package type gas circuit breaker

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