WO2013179925A1 - スイッチギヤおよびスイッチギヤの組立方法 - Google Patents
スイッチギヤおよびスイッチギヤの組立方法 Download PDFInfo
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- WO2013179925A1 WO2013179925A1 PCT/JP2013/063895 JP2013063895W WO2013179925A1 WO 2013179925 A1 WO2013179925 A1 WO 2013179925A1 JP 2013063895 W JP2013063895 W JP 2013063895W WO 2013179925 A1 WO2013179925 A1 WO 2013179925A1
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- unit
- switchgear
- bus
- switch
- disconnector
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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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
- H01H33/121—Load break switches
- H01H33/122—Load break switches both breaker and sectionaliser being enclosed, e.g. in SF6-filled container
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/22—Layouts for duplicate bus-bar selection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- 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
- H02B13/005—Electrical connection between switchgear cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
- H01H2033/6623—Details relating to the encasing or the outside layers of the vacuum switch housings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H2033/6665—Details concerning the mounting or supporting of the individual vacuum bottles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
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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
- H02B13/01—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with resin casing
-
- 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
- H02B13/0358—Connections to in or out conductors
-
- 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
- H02B13/075—Earthing arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49105—Switch making
Definitions
- the present invention relates to a switchgear and a switchgear assembling method, and more particularly to a switchgear with improved assembling workability during production and on-site.
- the configuration of the switch gear is classified into three types: a feeder panel for supplying power to the load, a bus dividing panel for separating the buses, and a bus connecting panel for connecting the two buses.
- a feeder panel for supplying power to the load
- a bus dividing panel for separating the buses
- a bus connecting panel for connecting the two buses.
- FIG. 11 shows a single wire connection diagram of the switch gear in the double bus type.
- the main circuit configuration may be considered to be the same as the main circuit configuration in the feeder panel.
- the main circuit part in these switchgears is composed of a combination of circuit breaker, disconnect switch, ground switch, and busbar. Specifically, there exists what was described in patent document 1, for example.
- Patent Literature 1 various switchgear circuit configurations are realized by combining solid-insulated circuit breakers, disconnectors, and ground switches.
- an object of the present invention is to provide a switchgear and a switchgear assembling method that can improve the assembling workability.
- a switchgear includes a fixed electrode and a plurality of movable electrodes that are opposed to the fixed electrode and that are driven in the horizontal direction to contact or open the fixed electrode.
- a switch unit and a housing having both of the plurality of operation mechanisms are provided, the plurality of switch units are arranged in a height direction, and the plurality of operation mechanisms are arranged on the front side or the back side of the housing.
- the plurality of bus bar connecting portions are arranged on the other side of the housing.
- the switchgear assembling method includes a plurality of switch units having a fixed electrode and a movable electrode that is opposed to the fixed electrode and that is driven in the horizontal direction to contact or open the fixed electrode. And a plurality of operation mechanisms for operating the movable electrodes in the plurality of switch units, wherein the switch gear is assembled with respect to the base so that the drive direction of the movable electrodes is in the height direction.
- Example 1 will be described with reference to FIGS.
- a multi-bus type switchgear 1 will be described.
- FIG. 1 corresponds to the power receiving board or feeder board in the single-line diagram shown in FIG.
- the switch gear accommodates various devices described below in the housing.
- a switch is constructed by assembling a plurality of switch units. Specifically, it is composed of one circuit breaker unit 2 arranged at the lowermost part and three circuit breaker units 3, 4, 5 arranged side by side above the circuit breaker unit 3 in the height direction. The space is connected by two types of connecting members 6 and 7.
- the connection member 6 is a member for connecting the disconnector units. Since the middle disconnector unit 4 is a ground switch as described below and the distance between the disconnector units is reduced, the connecting member 6 is formed shorter than the connecting member 7.
- the connection members 6 and 7 are formed by covering the periphery of the conductor with an insulator such as resin.
- a bushing 10 is connected to the disconnector unit 4, and the bushing 10 is grounded (E). That is, the disconnector unit 4 functions as a ground switch. In the normal operation state, the bushing 10 is grounded as described above. However, the bushing 10 can be disconnected from the ground and used as a terminal for a withstand voltage test of the cable 11 as necessary. .
- the disconnector unit 3 is connected to the first bus A, and the disconnector unit 5 is connected to the second bus B.
- Two types of connection members 13 and 14 are used to connect each unit to the bus.
- the connecting member 13 is linear, and the connecting member 14 is curved to avoid spatial interference for each phase.
- the remaining U-phase and W-phase buses are arranged vertically symmetrically with respect to the V-phase bus with respect to the V-phase bus having the middle height.
- V phase of the disconnector units 3 and 5 three phases are called U phase, V phase, and W phase
- U phase, V phase, and W phase three phases are called U phase, V phase, and W phase
- the height direction of the V phase of buses A and B are aligned, and the U phase and W phase are This is because if it is arranged at a symmetrical position with respect to the V phase, only one type of connecting member 14 is required.
- a cable 11 for supplying power to the load is connected to the fixed side of the circuit breaker unit 2 via a cable head 12.
- a cable head 12 In this embodiment, an example is shown in which two cables are connected in order to ensure current capacity.
- the number of cables is not limited to two. The number can be changed according to the installation environment.
- the power receiving panel and feeder panel can be configured by connecting the circuit breaker unit 2, the disconnecting unit 3, 4, 5, the cable 11 and the buses A and B to each other.
- the breaker unit 2 and the disconnecting unit 3, 4, 5 are arranged such that their movable parts are driven in the horizontal direction with respect to the switch gear 1, and the units are arranged in the height direction of the switch gear 1. ing.
- the operation mechanism for driving the movable part that is, the circuit breaker unit operation mechanism 8 and the disconnector unit operation mechanism 9 are arranged on the front side of the switchgear 1 and come to an arrangement that is easy for an operator to access. I am doing so.
- the door 100 which can be opened and closed is attached to the front side.
- FIG. 3 is a diagram showing the circuit breaker unit, but does not show a state in which the circuit breaker unit 2 is arranged at the position of the circuit breaker unit 2 in FIG. 1. For example, as shown in FIG. Shows a case where the connecting member is arranged at a position where it is not connected.
- the circuit breaker unit 2 has a fixed electrode 15 in a vacuum valve that is hermetically sealed in a vacuum, and a movable electrode 16 that faces the fixed electrode 15 and that is driven in the horizontal direction to contact or open the fixed electrode 15.
- the fixed electrode 15 is connected to a fixed conductor 30 extending horizontally on the back side
- the movable electrode 16 is connected to a movable conductor 26 extending horizontally on the front side.
- the fixed conductor 30 of the vacuum valve 21 is coupled to the bushing 10 for connecting to the cable head 12.
- the bushing 10 includes a soot tube 70 and a center conductor 71, and the center conductor 71 is provided with a band contact 72 for energizing the fixed conductor 30.
- the circuit breaker unit is provided only in the connection portion with the cable in this embodiment, the circuit breaker unit is connected to the bushing 10, but may be connected to the connection member 13.
- compatibility is provided so that the connection to the bushing 10 and the connection to the connection member 13 can be easily changed according to the installation environment. That is, the circuit breaker unit 2 and the disconnector units 3, 4, and 5 have a common connection structure.
- the movable conductor 26 has a bellows between itself and the vacuum vessel, and the bellows allows the movable conductor 26 to move and protects the airtightness in the vacuum vessel.
- the movable conductor 26 extends from the inside of the vacuum vessel to the outside of the vacuum vessel, and a member 27 is fixed outside the vacuum vessel.
- a band contact 28 for collecting current with respect to the conductors 24 and 25 is provided on the outer periphery of the member 27.
- An insulating rod 29 is connected to the front side end of the movable conductor 26, and the insulating rod 29 itself is driven in the horizontal direction by the circuit breaker unit operating mechanism 8. As the insulating rod 29 moves in the horizontal direction, the movable conductor 26 and the movable electrode 16 are also driven in the horizontal direction.
- an insulating resin 22 such as epoxy is molded around the vacuum valve 21, and a conductive paint 23 is applied to the outer surface thereof.
- the conductive paint 23 is at a ground potential and ensures the safety of human contact with the same.
- connection member 6 includes a center conductor 61 and an insulating physical property flange 63 that supports the center conductor 61, and the center conductor 61 is provided with a band contact 62 for slidably energizing a conductor in contact with the conductor (conductor 25 in FIG. 3). .
- the conductor 25 is engaged with the connecting member 6, but the conductor 24 is engaged with the connecting member 6 according to the installation environment, or the conductor 24 and the conductor are replaced with the insulating lid 123. It is possible for both 25 to engage with separate connecting members 6 or connecting members 6, 7.
- the connecting member 7 is actually connected to the conductor 24, and the insulating cover 123 is provided on the conductor 25 side without connecting the connecting member.
- the conductive paint 64 for grounding is also applied to the outer surface of the flange 63 having an insulating material property to ensure contact safety.
- connection member 6 When fixing the bushing 10, the connection members 6 and 7, the connection members 13 and 14 and the insulating lid 123 to the switch unit (breaker unit 2 or disconnector unit), the switch unit and the bushing 10 and the connection members 6 and 7
- the rubber ring 73 is sandwiched between the insulating cover 123 and the insulating cover 123. This rubber ring 73 is for ensuring insulation between the central high voltage portion and the surrounding ground, and is made of silicon rubber, EP rubber or the like.
- the connection member 6 assumes that the switch unit is connected vertically, and has a shape that is linearly symmetric with respect to the horizontal axis (this is because the switch unit is connected in the same shape up and down).
- the switch unit is formed by changing the shape of the connection part at the top and bottom, it is needless to say that the connection member 6 needs to be replaced with a shape that can be fitted with the switch unit. is there.).
- the connecting member 7, the connecting members 13 and 14, and the insulating lid 123 the surface on the opposite side to the surface connected to the switch unit is a flat portion 17, and rubber is formed from the flat portion 17. It is fixed to the switch unit with a fastening member such as a bolt through the ring 73.
- the bushing 10 connected to the circuit breaker unit 2 is connected to the cable head 12 on the back side of the switch gear 1 and connected to the cable 11.
- the disconnector unit in the figure shows a case where the connecting member is arranged on the upper side of the unit at the position where the connecting member is not connected like the disconnector unit 3 in FIG.
- the connecting member 6 and the connecting member 7 are connected instead of the insulating lid 123.
- the connection member 7 may be connected to the lower side instead of the connection member 6.
- the connection member 7 is connected to the lower side instead of the connection member 6.
- the disconnecting switch units 3, 4, and 5 do not need to have a current interrupting function and need only have a surge withstand voltage at the time of opening. Therefore, the disconnecting switch unit 3, 4, and 5 is not an vacuum valve but an air switch 41 and also serves as a fixed electrode. It has a fixed conductor 51 and a movable conductor 46 extending in the horizontal direction. Around the movable conductor 46, there is a band contact 48 corresponding to a movable electrode that faces the fixed conductor 51 and is driven in the horizontal direction to contact or open the fixed conductor 51.
- the fixed conductor 51 of the air switch 41 is connected to a center conductor 52 provided at the center of the connection member 13.
- the center conductor 52 is provided with a band contact 53 for energizing the fixed conductor 51.
- connection member 13 extending to the back side in the horizontal direction is described as an example, but the connection member 14 can be connected instead of the connection member 13.
- the remaining two phases U-phase and W-phase
- the connection member 14 is connected for the U-phase and W-phase. ing.
- the bushing 10 is connected instead of the connecting member 13.
- connection portion is made common between the circuit breaker units 2 and the switchgear units 3, 4, and 5.
- the disconnecting switch unit is provided with an insulating resin 42 such as epoxy around the air switch 41 and a conductive paint 43 for grounding is provided on the outer surface thereof.
- Two conductors 44 and 45 are provided on the side surface of the disconnector unit. The conductors 44 and 45 are engaged with the connection member 6 and the connection member 7 to ensure the energization between the units (the conductor 45 is connected to the connection member 6 in FIG. 4).
- an insulating cover 123 is provided in place of the connecting members 6 and 7 on the end side (upper side or lower side; the upper side in FIG. 4 is the end side).
- the movable conductor 46 extending in the horizontal direction is provided on the front side, and has a current collecting band contact 49 for the conductors 44 and 45 on the outer periphery of the movable conductor 46.
- An insulating rod 50 is connected to the front end portion of the movable conductor 46, and the insulating rod 50 itself is driven in the horizontal direction by the disconnector unit operating mechanism 9. As the insulating rod 50 moves in the horizontal direction, the movable conductor 46 and the band contact 48 are also driven in the horizontal direction.
- connection member 6 assumes that the switch unit is connected vertically, and has a shape that is linearly symmetric with respect to the horizontal axis (this is because the switch unit is connected in the same shape up and down).
- connection member 6 needs to be replaced with a shape that can be fitted with the switch unit. is there.).
- the connecting member 7, the connecting members 13 and 14, and the insulating lid 123 the surface on the opposite side to the surface connected to the switch unit is a flat portion 17, and rubber is formed from the flat portion 17. It is fixed to the switch unit with a fastening member such as a bolt through the ring 73.
- This connection part is basically the same as the circuit breaker unit. Because they are similar, they are compatible and can be easily replaced and applied.
- FIG. 2 is a view of the switchgear 1 according to the present embodiment as seen from the back side in order to show the connection state of the bus and the cable.
- the busbar connection portions connected to the busbars A and B are arranged with a predetermined interval in the height direction and the horizontal direction. Further, as apparent from the rear view of FIG. 2 showing the busbar and cable connection portions, according to the switchgear 1 according to the present embodiment, the busbar and cable connection portions to be connected locally are , Both are located on the back side that is easily accessible for the operator.
- FIG. 5 shows a method for assembling the switch part.
- the switch gear 1 is tilted sideways, and the driving direction of the movable electrode of each switch unit is the height direction.
- these switch units are connected using connection members 6 and 7 and fixed to the upper portion of the base 60.
- the bushing 10 for connecting with the connection members 13 and 14 with the buses A and B and the cable 11 is fixed to each unit.
- the switch gear 1 is returned to the normal state as shown in FIG. 6 (the drive direction of the movable electrode is set to be horizontal). After that, the breaker unit operation mechanism 8 and the disconnector unit operation mechanism 9 are installed, and the main part of the switchgear 1 is completed.
- FIG. 7 shows a method for fixing the buses A and B and the cable 11 at the site.
- both the busbar and cable connection portions are provided on the back side of the switchgear 1, and both can be easily installed only by accessing from the backside of the switchgear 1. .
- the movable parts of the circuit breaker unit 2 and the disconnector units 3, 4 and 5 constituting the switch gear 1 are arranged so as to be driven in the horizontal direction, and the units are arranged in the height direction of the switch gear,
- a method of tilting the switch gear 1 to the side is adopted. With this structure and method, it is possible to attach each member without resisting gravity, which improves the assembly workability and is advantageous in reducing man-hours, that is, in economy.
- a plurality of switch units having movable electrodes that are driven in the horizontal direction are arranged side by side in the height direction (so as to be parallel rather than spatially twisted), and the operation mechanism is switched Because it is arranged centrally on one side of the gear housing and the busbar and cable connections are centralized on the other side of the housing, so that workers can easily access the site from the rear side of the housing. Therefore, the workability is improved.
- the circuit breaker unit and the disconnecting unit are compatible with each other with respect to the various bushings 10, the connecting members 6, 7, the connecting members 13, 14, the insulating cover 123, and the like. Therefore, the combination can be easily changed according to the installation environment. In other words, the bus bar and the mutual connection between the units are shared, and various circuit configurations can be easily realized.
- the connection part with the connection member in the circuit breaker unit and the disconnector unit has a common structure.
- connection member 14 which becomes the U-phase and W-phase busbar connection portions arranged above and below the V-phase busbar arranged at the middle height is shared as one type. Therefore, the versatility of the member can be further improved.
- buses A and B are also arranged side by side in the height direction on the back side of the switchgear 1, the bus bar mounting work performed on site can be easily performed.
- the double bus type is described as an example, but the single bus type can also be configured by a combination of the bus A, the breaker unit 2, and the disconnecting unit 3, 4.
- Example 2 will be described with reference to FIG. In addition, about the structure which overlaps with Example 1 (and the effect acquired by employ
- FIG. 8 shows the configuration. Since the disconnecting switch unit 3 of the aerial switch shown in FIG. 4 does not have a blocking capability, the disconnecting switch connected to the first bus A and the second bus B is shown in FIG. 3 described in the first embodiment. The circuit breaker unit 2 shown is applied. However, the circuit breaker unit 2 connected to each of the first bus A and the second bus B is also ensured withstand voltage between the electrodes specified in the disconnector standard, and has surge withstand voltage at the time of opening. To do.
- the circuit configuration shown in FIG. 1 according to the first embodiment or the circuit configuration shown in FIG. 8 according to the first embodiment may be selected according to the user's application by selecting the circuit breaker unit 2 or the disconnecting unit 3. It's easy.
- Example 3 will be described with reference to FIG. Also in this embodiment, the description of the same parts as those in the above embodiments is omitted.
- This example is an example in which a bus sectioning board is realized in a switch bus of a multiple bus type. As shown in FIG. 9, the bus section board is configured by arranging left and right switch gears. The circuit configuration of the bus section board is also shown in FIG.
- a communication bus C for connecting the left and right switch gears is provided in place of the cable 11 provided in the power receiving board or feeder board. Since the connection bus C is used for connection, the circuit breaker unit does not need to be provided with each of the two switch gears, and only needs to be provided with one of the switch gears. In the structure shown in FIG. 9, only the switch gear arranged on the left side includes the circuit breaker unit 2.
- the breaker unit 2 is connected to connecting members 13 and 14 in place of the bushing 10 so that it can be connected to the communication bus C (the connecting member 13 is located in the middle in the height direction, the connecting member 14 is It is desirable to provide it in the phase arranged symmetrically up and down with respect to the phase located in the middle in the height direction (this point is also the same as the above embodiment).
- a disconnector unit 103 is provided instead of the circuit breaker unit 2, and the disconnector unit 103 is connected to the communication bus C on the back side.
- connection members 13 and 14 and the bushing 10 have the same connection structure with the circuit breaker unit 2 and the connection structure with the disconnector unit 3, so that the bus A
- the connection structure of the connecting bus C and the circuit breaker unit 2 can be configured by the same member as that of the connection structure of B.
- the circuit breaker unit 2 is not necessary for the right switchgear and the disconnector unit 103 is used for connection, but the movable conductor 81 does not need to be operated and is fixed inside. Keep it. That is, no operation mechanism is required for the disconnector unit 103.
- Example 4 will be described with reference to FIG. Also in this embodiment, the description of the same parts as those in the above embodiments is omitted.
- This example is an example in which a bus bar connection board is realized in a switch bus of a double bus type.
- the bus connecting board is configured by arranging left and right switch gears as shown in FIG.
- the circuit configuration of the bus bar connection board is also shown in FIG.
- the difference between the bus-line connection board and the bus-line sorting board described in the third embodiment is that the buses connected by the left and right switch gears of the double buses A and B are different (if one is bus A and the other is bus B). It is.
- connection structure with the circuit breaker unit 2 and the connection structure with the disconnector unit 3 are made common for the connection members 13 and 14 and the bushing 10, it is the same as the case where the connection structure of the buses A and B is configured.
- a connection structure between the communication bus C and the circuit breaker unit 2 can be configured by the members.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Gas-Insulated Switchgears (AREA)
- Patch Boards (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Description
Claims (11)
- 固定電極と、該固定電極に対向すると共に、水平方向に駆動して該固定電極に接触または開極される可動電極を有する複数の開閉器ユニットと、
該複数の開閉器ユニットにおける前記可動電極を操作する複数の操作機構と、
前記開閉器ユニットに設けられ、母線と接続される母線接続部と、
前記母線接続部、前記複数の開閉器ユニット、及び前記複数の操作機構のいずれもを内部に有する筺体を備え、
複数の前記開閉器ユニットは高さ方向に配置され、
複数の前記操作機構を、前記筺体の正面側または背面側に配置し、
複数の前記母線接続部を、前記筺体の他方側に配置したことを特徴とするスイッチギヤ。 - 請求項1に記載のスイッチギヤであって、
前記開閉器ユニット同士は接続部材によって接続され、各前記開閉器ユニットにおける接続部材との接続部は互換性を有する様に形成されていることを特徴とするスイッチギヤ。 - 請求項2に記載のスイッチギヤであって、
前記開閉器ユニットは、電流遮断性能を有する遮断器ユニットと、サージ耐電圧を開極時に有する断路器ユニットから構成され、
前記遮断器ユニット及び前記断路器ユニットにおける接続部材との接続部は互換性を有する様に共通の構造を有することを特徴とするスイッチギヤ。 - 請求項1ないし3のいずれか一つに記載のスイッチギヤであって、
三相の各前記開閉器ユニットは、各相とも同じ高さに配置され、
三相の母線は、各相で異なる高さに配置され、
該三相の母線のうち、真ん中の高さを有する母線に対して、残りの二相は前記真ん中の高さを有する母線から略対称位置に上下に配置され、
開閉器ユニットと母線を接続する母線接続部の形状について、該真ん中の高さに配置される母線に対して上下に配置される相の母線接続部の形状は共通であることを特徴とするスイッチギヤ。 - 請求項1ないし4のいずれか一つに記載のスイッチギヤであって、
前記開閉器ユニットは、
前記操作機構に接続されて水平方向に動作する絶縁ロッドと、
該絶縁ロッドの駆動に伴って水平方向に動作する可動導体と、
前記絶縁ロッド及び前記可動導体に対して上下に配置される導体と、
該導体と摺動通電し、前記可動導体との間を電気的に接続するバンド接点と、を有し、
前記開閉器ユニットと、該開閉器ユニットに接続される導体との接続部はゴムリングを有することを特徴とするスイッチギヤ。 - 請求項1ないし5のいずれか一つに記載のスイッチギヤであって、
前記母線は相毎に二重に設けられ、
電流遮断性能を有する遮断器ユニット、及び該遮断器ユニットの高さ方向に上側に並べて配置される3つの断路器ユニットを有し、
該断路器ユニットはサージ耐電圧を開極時に有し、
3つの該断路器ユニットのうち、1つは前記二重母線のうちの一の母線に接続され、他の1つは前記二重母線のうちの他の母線に接続され、残りの1つは接地側との通電または断路を切替可能に形成され、
前記遮断器ユニットはケーブルと接続されることを特徴とするスイッチギヤ。 - 請求項6に記載のスイッチギヤであって、
前記断路器ユニットのうち、前記二重母線に接続される2つの断路器ユニットは、更に電流遮断性能を有することを特徴とするスイッチギヤ。 - 請求項1ないし5のいずれか一つに記載のスイッチギヤを二つ列盤するスイッチギヤであって、
一つのスイッチギヤは、電流遮断性能を有する遮断器ユニット、及び該遮断器ユニットの高さ方向に上側に並べて配置される二つの断路器ユニットを有し、
該断路器ユニットはサージ耐電圧を開極時に有し、
二つの該断路器ユニットのうち、一つは前記二重母線のうちの一の母線に接続され、他の一つは接地側との通電または断路を切替可能に形成され、
前記遮断器ユニットは連絡母線に接続されており、
他のスイッチギヤは、高さ方向に並べて配置される三つの断路器ユニットを有し、
該断路器ユニットはサージ耐電圧を開極時に有し、
三つの該断路器ユニットのうち、一つは前記二重母線のうちの前記一の母線に接続され、他の一つは接地側との通電または断路を切替可能に形成され、残りの一つは前記連絡母線に接続されることを特徴とするスイッチギヤ。 - 請求項1ないし5のいずれか一つに記載のスイッチギヤを二つ列盤するスイッチギヤであって、
一つのスイッチギヤは、電流遮断性能を有する遮断器ユニット、及び該遮断器ユニットの高さ方向に上側に並べて配置される二つの断路器ユニットを有し、
該断路器ユニットはサージ耐電圧を開極時に有し、
二つの該断路器ユニットのうち、一つは前記二重母線のうちの一の母線に接続され、他の一つは接地側との通電または断路を切替可能に形成され、
前記遮断器ユニットは連絡母線に接続されており、
他のスイッチギヤは、高さ方向に並べて配置される三つの断路器ユニットを有し、
該断路器ユニットはサージ耐電圧を開極時に有し、
三つの該断路器ユニットのうち、一つは前記二重母線のうちの前記一の母線でない母線に接続され、他の一つは接地側との通電または断路を切替可能に形成され、残りの一つは前記連絡母線に接続されることを特徴とするスイッチギヤ。 - 請求項6ないし9のいずれか一つに記載のスイッチギヤであって、
前記各遮断器ユニット及び断路器ユニットは、各々の前記可動電極が電気的に接続されており、
電流遮断性能を有する前記ユニットは前記固定電極及び前記可動電極が、内部が真空に密閉されている真空バルブを樹脂モールドすることで形成され、かつ前記固定電極はケーブルと電気的に接続されており、
前記断路器ユニットは気中絶縁開閉器を樹脂モールドすることで形成されていることを特徴とするスイッチギヤ。 - 固定電極と、該固定電極に対向すると共に、水平方向に駆動して該固定電極に接触または開極される可動電極を有する複数の開閉器ユニットと、
該複数の開閉器ユニットにおける前記可動電極を操作する複数の操作機構とを有するスイッチギヤの組立方法であって、
前記可動電極の駆動方向が高さ方向になる様にしてベースに対して前記開閉器ユニットを固定するステップと、
該開閉器ユニットの固定後に、前記可動電極の駆動方向が水平方向になる様に立てるステップと、
該ステップの後に、前記複数の開閉器ユニットに操作機構を接続するステップを有することを特徴とするスイッチギヤの組立方法。
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EP13796277.5A EP2858188A4 (en) | 2012-05-31 | 2013-05-20 | MANUAL GEARBOX AND ASSEMBLY PROCEDURE FOR THE MANUAL GEARBOX |
CN201380028231.7A CN104396106B (zh) | 2012-05-31 | 2013-05-20 | 开关设备以及开关设备的组装方法 |
KR20147033606A KR20150006870A (ko) | 2012-05-31 | 2013-05-20 | 스위치 기어 및 스위치 기어의 조립 방법 |
US14/404,148 US20150124376A1 (en) | 2012-05-31 | 2013-05-20 | Switchgear and switchgear assembling method |
BR112014029564A BR112014029564A2 (pt) | 2012-05-31 | 2013-05-20 | aparelho de distribuição e método de montagem de aparelho de distribuição |
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DE102014102263B3 (de) * | 2014-02-21 | 2015-04-23 | Maschinenfabrik Reinhausen Gmbh | Laststufenschalter mit einem Gehäuse und einem austauschbaren Schaltmodul |
JP6290746B2 (ja) * | 2014-08-27 | 2018-03-07 | 株式会社日立産機システム | ユニット開閉器及び開閉装置 |
US9634469B2 (en) * | 2015-02-12 | 2017-04-25 | Eaton Corporation | Complex electrically operated ground and test device using vacuum circuit interrupters and methods of operating the same |
KR200485774Y1 (ko) | 2016-08-31 | 2018-02-21 | 엘에스산전 주식회사 | 회전핀 절연 배리어가 구비된 다극 배선용 차단기 |
US10193317B2 (en) * | 2016-12-20 | 2019-01-29 | Eaton Intelligent Power Limited | Electrical system and switching assembly therefor |
JP6937223B2 (ja) * | 2017-10-31 | 2021-09-22 | 株式会社東芝 | 絶縁被覆の接続構造 |
JP7225890B2 (ja) * | 2019-02-15 | 2023-02-21 | 富士電機株式会社 | 接地開閉器 |
CN114068251B (zh) * | 2020-08-03 | 2024-04-26 | 天津首瑞智能电气有限公司 | 一种电的开关 |
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EP2858188A4 (en) | 2016-01-27 |
BR112014029564A2 (pt) | 2017-06-27 |
JP5875466B2 (ja) | 2016-03-02 |
CN104396106A (zh) | 2015-03-04 |
US20150124376A1 (en) | 2015-05-07 |
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