JP2017192188A - Bus bar division switch gear and switch gear with the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a switch gear without extending a development period and increasing the cost.SOLUTION: A bus bar division switch gear 1 comprises: a plurality of first mold switches 2A to which a plurality of electrical reception and distribution switch gears is coupled through a bus bar 4, which is provided for separating an electric coupling of the bus bar, which includes a plurality of bushings 3a, which is molded with a circuit breaker, disconnecting switch, a ground switch, and a conductor coupling them, and in which an outer shape is formed in the same form; a plurality of second mold switches 2B that is arranged so as to be adjacent the first mold switch, which has the plurality of bushings, which is molded with the ground switch and the conductor, and in which the outer shape is formed in the same form; and a bus bar that couples the bushings of the first mold switching to the second mold switching having an arrangement position different from the bushings of the first mold switch.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a switchgear for busbar segmentation and a switchgear having the busbar segment, and in particular, suitable for classifying a circuit breaker, a disconnector, a grounding switch, and a connecting member for connecting each other into a module by a solid insulation system. The present invention relates to a switchgear for a vehicle and a switchgear provided with the same.

  In recent years, switchgears using gas insulation or solid insulation have attracted attention as power distribution boards that achieve high reliability and space saving.

  A typical power receiving / distribution switchgear includes a circuit breaker, a disconnect switch, a ground switch, various measuring devices, a protection device linked to the measuring device, and the like. The power transmission / reception switchgear constituted by these devices is connected by a busbar, and a busbar segmentation switchgear for disconnecting the busbar connection is arranged in the middle as needed.

  The above-described bus segment switching gear is described in Patent Document 1. Patent Document 1 discloses a switchgear for busbar classification using a mold switch in which one circuit breaker / disconnector, two grounding switches, and a conductor connecting them are integrated with an epoxy resin. One mold switch corresponds to each of the circuits for three phases.

JP 2011-61899 A

  A typical power receiving / distributing switchgear includes a circuit for three phases, each having a circuit breaker, a disconnecting switch, and a ground switch.

  On the other hand, a switch gear for classifying a bus as described in Patent Document 1 requires a circuit having three circuit breakers and one disconnecting switch and two grounding switches for three phases. It is necessary to newly design a mold switch different from the mold switch used in the power distribution switchgear. In other words, the mold switch used in general switch gears for power transmission and distribution cannot be applied to the mold switch of the bus section switch gear as it is, and it is necessary to add a disconnect switch and ground switch, so a new design There is a need to.

  Since the design of this mold switch includes the casting conditions of epoxy resin, it is necessary to extend the development period. On the other hand, since the switchgear for busbar classification is less demanding than general switchgear for power distribution, it is necessary to increase the cost to recover the initial investment costs such as development costs and molds for resin casting. I must.

  The present invention has been made in view of the above points, and an object of the present invention is to provide a switch gear for busbar division and a switchgear provided therewith without requiring an extension of the development period and leading to an increase in cost. There is.

  In order to achieve the above object, the bus section switch gear according to the present invention has a plurality of power receiving / distribution switch gears connected via the bus lines and installed to disconnect the electrical connection of the bus lines. The switchgear for the busbar section has a plurality of bushings, is molded with a circuit breaker, a disconnector, a grounding switch, and a conductor connecting them, and has a plurality of outer shapes. A first mold switch, a plurality of second molds arranged adjacent to the first mold switch, having a plurality of bushings, having a grounding switch and a conductor, and having the same outer shape. The switch, the bushing of the first mold switch, and the bushing of the first mold switch are arranged at different positions. Characterized in that it and a bus for connecting the bushing Ji.

  Further, in order to achieve the above object, the switchgear of the present invention is a busbar division switchgear that disconnects the electrical connection of the busbars in the middle of a plurality of power receiving / distribution switchgears connected via the busbars. A switchgear having a row structure in which the busbar segmentation switchgear is a busbar segmentation switch gear having the above-described configuration.

  According to the present invention, it is possible to configure a switchgear for busbar division using a molded switch used in a general switchgear for power reception and distribution, so that it is not necessary to extend the development period and the cost is increased. There is no connection.

It is a perspective view which shows Example 1 of the switch gear for busbar division of this invention. It is sectional drawing which shows schematic structure of Example 1 of the switch gear for bus-bar division of this invention. FIG. 3 is a perspective view showing a part of a group of switchgear groups in which the busbar segmenting switchgear according to the first embodiment of the present invention is arranged in the power distribution switchgear. FIG. 6 is a perspective view showing a part of a group of switchgear rows that are configured by arranging a second embodiment of the switchgear for busbar division of the present invention on a switchgear for power distribution. It is a perspective view which shows a part of switchboard row | line | column group of switchgear which comprises Example 3 of the switchgear for busbar division | segmentation of this invention arrange | positioned to the switchgear for power distribution. FIG. 9 is a perspective view showing a part of a group of switchgear groups in which a busbar segmenting switchgear according to a fourth embodiment of the present invention is arranged in a power distribution switchgear.

  In the following, the busbar segmenting switchgear of the present invention will be described based on the illustrated embodiment. In addition, in each Example, the same code | symbol is used for the same component.

  FIGS. 1 and 2 show a first embodiment of the switch gear for classifying busbars according to the present invention. FIG. 3 shows a configuration in which the switchgear for classifying busbars according to the present embodiment is arranged on a general power receiving / distributing switchgear. A part of the row of switchgear groups is shown.

  In this embodiment shown in the figure, in the switchgear group of switchgears comprising the switchgear for receiving and distributing power and the switchgear for switching the busbars, for disconnecting the electrical connection of the busbars connecting the rowboards as necessary. The bus bar classifying switchgear will be described.

  As shown in FIG. 1, the switch gear 1 for busbar division of this embodiment has six molded switches 2A, 2B, 2C, 2D, 2E, and 2F having the same outer shape (having the same shape) inside. The mold switches 2A, 2B, 2C, 2D, 2E, and 2F are provided with two bushings 3a and 3b, respectively, so that the longitudinal direction is the row direction (arrow P direction). The two bushings 3a and 3b provided in the mold switches 2A, 2B, 2C, 2D, 2E, and 2F are arranged in parallel in the row direction, and the mold switches 2A, 2B, 2C, 2D, 2E, and 2F are provided. The bushings 3a and 3b provided in the are arranged so as to be in a direction (arrow Q direction) perpendicular to the row direction.

  Further, the bushing 3b in one mold switch 2A and the bushing 3a in the other mold switch 2B are electrically connected by a bus bar 4. The same applies to the bushing 3b in the mold switch 2C and the bushing 3a in the mold switch 2D, and the bushing 3b in the mold switch 2E and the bushing 3a in the mold switch 2F.

  Of the mold switches 2A, 2B, 2C, 2D, 2E, and 2F connected by the bus 4, one of the mold switches 2A, 2C, and 2E includes a circuit breaker 6 and a disconnecting switch 7a with a ground switch as shown in FIG. The other mold switches 2B, 2D, and 2F are configured to include a disconnect switch 7b with a ground switch and a conductor 8b, as shown in FIG.

  The circuit breaker and disconnector need only have one of the mold switches 2A and 2B, the mold switches 2C and 2D, and the mold switches 2E and 2F, and the grounding switch includes the mold switches 2A and 2B, It is sufficient to provide one for each of the mold switches 2C and 2D and the mold switches 2E and 2F.

  One of the mold switches 2A, 2C, and 2E has a circuit breaker 6, a disconnecting switch 7a with a grounding switch, and a conductor 8a that connects them integrally molded with resin, and the other mold switches 2B, 2D, and 2F have a grounding switch. The switch with switch 7b and the conductor 8b are integrally cast with resin. The mold switches 2A and 2B, the mold switches 2C and 2D, and the mold switches 2E and 2F are connected to the bus bar 4 through the bushings 3b and 3a, respectively. Electrically connected.

  The mold switches 2A, 2B, 2C, 2D, 2E, and 2F are connected to an operation mechanism (not shown) for mechanically driving the circuit breaker 6 and the disconnecting switches 7a and 7b with ground switches. Yes.

  The mold switches 2A and 2B, the mold switches 2C and 2D, and the mold switches 2E and 2F connected by the bus 4 are arranged adjacent to each other in the row direction (the direction of arrow P in FIG. 1). Similarly, the pair of two mold switches 2A and 2B, the pair of mold switches 2C and 2D, and the pair of mold switches 2E and 2F connected by the bus bar 4 are in a direction perpendicular to the row direction (the direction of arrow Q in FIG. 1). It is arranged to become.

  Next, FIG. 3 shows a part of a group of switchgear groups in which the busbar segmenting switchgear 1 of this embodiment is arranged on a general power transmission / reception switchgear.

  As shown in the figure, the power distribution switch gears 5A and 5B are adjacent to the row board direction (arrow P direction) in the bus segment switch gear 1 of the present embodiment described with reference to FIGS. Arranged to constitute a switchgear.

  The power receiving / distributing switch gears 5A and 5B have three power receiving / distributing switch gears having the same outer shape as the mold switches 2A, 2B, 2C, 2D, 2E, and 2F of the busbar segmenting switch gear 1 described above. Mold switches 21A, 22A, 23A and 21B, 22B, and 23B, and the power switch gear mold switches 21A, 22A, 23A and 21B, 22B, and 23B are arranged in the direction of the line (arrow P Direction), and the power switch switch molds 21A, 22A, 23A and 21B, 22B, 23B are arranged in the row direction. The power receiving / distributing switch gear mold switches 21A, 22A, 23A and 21B, 22B, 23B are respectively provided with two bushings 3c, 3d and 3e, 3f.

  In addition, one of the two bushings 3c, 3d, 3e, and 3f in the molded switch 21A, 22A, 23A and 21B, 22B, and 23B for power distribution / distribution is the one of the bushings 3d and 3f. In the same direction as the mold switches 2A, 2B, 2C, 2D, 2E, and 2F (for example, the upward direction in FIG. 3), the switch switches for power receiving / distribution switch gear 21A, 22A, 23A and 21B, 22B, 23B Of the two bushings 3c, 3d and 3e, 3f, the other bushings 3c and 3e are arranged in a direction different from the one of the bushings 3d and 3f (for example, the Q direction in FIG. 3).

  Further, one bushing 3d in the power switch mold switch 21A, 22A, 23A is connected to each bushing 3a of the mold switch 2A of the bus segment switch gear 1 via the bus bars 41A, 42A, 43A, that is, the bus bar. One bushing 3f in the switch switch for power transmission / reception switch gear 21B, 22B, and 23B is connected to the bushing 3a that is not connected to 4 with the mold switch 2B of the switch gear 1 for bus segmentation via the bus bars 41B, 42B, and 43B. Each bushing 3 b is connected to the bushing 3 b that is not connected to the bus 4.

  Further, the mold switches 21A, 22A, 23A and 21B, 22B, 23B for the power distribution switch gears are arranged in the row direction (arrow P direction), respectively, and are arranged in the direction opposite to the bus segment switch gear 1. Not connected to other power distribution switchgear.

  By adopting such a configuration of the present embodiment, it is possible to configure a switchgear for bus segmentation by using a molded switch used in a general switchgear for power reception and distribution, thus extending the development period. There is no need to do so, and there is no cost increase.

  FIG. 4 shows a part of a row group of switch gears in which the second embodiment of the switch gear for classifying busbars is arranged.

  In the present embodiment shown in the drawing, the switchgear is configured such that the power distribution switchgears 5A and 5B are arranged adjacent to the line direction (arrow P direction) on the bus segment switch gear 11 of the present embodiment. doing.

  In the bus segment switch gear 11 of the present embodiment, the longitudinal direction of each of the mold switches 2A, 2B, 2C, 2D, 2E, and 2F of the bus segment switch gear 1 shown in the first embodiment is the direction of the line (arrow When the view is changed so as to be in a direction perpendicular to (P direction) (arrow Q direction), the bushing 3a provided in each of the mold switches 2A, 2B, 2C, 2D, 2E and 2F of the switch gear 11 for busbar segmentation and 3b is the structure arrange | positioned so that it may become a direction perpendicular | vertical to a board | substrate direction.

  The bushing 3b in one mold switch 2A and the bushing 3a in the other mold switch 2B are electrically connected by a bus bar 44. The same applies to the bushing 3b in the mold switch 2C and the bushing 3a in the mold switch 2D, and the bushing 3b in the mold switch 2E and the bushing 3a in the mold switch 2F.

  The power distribution switch gears 5A and 5B arranged so as to be adjacent to the bus segment switch gear 11 of the present embodiment are the mold switches 2A, 2B, 2C, 2D, 2E and 2F of the bus segment switch gear 11 described above. And three switch switches 21A, 22A, 23A and 21B, 22B, 23B for power receiving / distributing switch gears having the same outer shape (same shape), and each mold switch 21A, 22A, 23A for power receiving / distributing switch gear and 21B, 22B, 23B, the longitudinal direction is the direction (arrow Q direction) perpendicular to the direction of the board (arrow P direction), the mold switch 21A, 22A, 23A and 21B, 22B for the power distribution switch gear. 23B is arranged in the row direction.

  The power distribution / switching switch gear mold switches 21A, 22A, 23A and 21B, 22B, and 23B include two bushings 3c, 3d, 3e, and 3f, respectively.

  Then, the bushing 3a of the mold switch 2A of the bus bar segmentation switch gear 11 and the bushing 3d of the mold switch 21A for power transmission / reception switch gear 11 receive the bushing 3a of the mold switch 2C of the busbar segmentation switch gear 11 via the bus bar 45A. The bushing 3d of the power distribution switchgear mold switch 22A is connected via the bus 46A, and the bushing 3a of the mold switch 2E of the switchgear 11 is connected to the bus switch 3A and the bushing 3d of the power distribution switchgear mold switch 23A via the bus 47A. On the other hand, the bushing 3b of the mold switch 2B of the bus bar classification switch gear 11 and the bushing 3f of the power distribution switch gear mold switch 21B are connected to the bush of the mold switch 2D of the bus bar classification switch gear 11 via the bus 45B. The bushing 3f of the mold switch 22B for the power distribution switch gear 11 and the bushing 3f of the mold switch 2B for the power distribution switch gear 11B are connected to the bus 3B via the bus 46B. 47B is connected.

  Even with the configuration of the present embodiment, the same effects as those of the first embodiment can be obtained, and the width of the bus section switch gear 11 in the row direction (arrow P direction) can be narrowed.

  FIG. 5 shows a part of a row group of switch gears in which a third embodiment of the switch gears for busbar segmentation is arranged.

  In the present embodiment shown in the figure, the switchgear is configured by arranging the power distribution switch gears 5A and 5B adjacent to the row board direction (arrow P direction) on the bus segment switch gear 12 of the present embodiment. doing.

  The bus segment switch gear 12 of this embodiment includes four mold switches (2A, 2B, 2C, 2D) of the bus segment switch gear 1 shown in the first embodiment, and the mold switches 2A, 2B, 2C, 2D. And two mold switches 24A and 24B having the same outer shape (having the same shape).

  Mold switch 2A, 2B, 2C and 2D of the bus bar segment switch gear 12 and the outer shape so as to be adjacent to the mold switch 2A, 2B, 2C and 2D of the bus segment switch gear 12 in the row direction (arrow P direction). The three switch switches 21A, 22A, 23A and 21B, 22B, 23B for power receiving and distributing switch gears having the same (having the same shape) are arranged in the row direction. The power receiving / distributing switch gear mold switches 21A, 22A, 23A and 21B, 22B, 23B are respectively provided with two bushings 3c, 3d and 3e, 3f.

  The mold switches 24A and 24B include two bushings 3g, 3h, 3i, and 3j, respectively. The bushings 3g, 3h, 3i, and 3j are in different directions (the bushings 3g and 3i are in the row direction (the direction of the arrow P). ) And the bushing 3h and 3j are disposed on the front side of the mold switches 24A and 24B and the upper side of the mold switches 24A and 24B. In addition, the bushings 3a and 3b provided in the four mold switches 2A, 2B, 2C, and 2D are all on the upper side of the mold switches 21A, 22A, 23A and 21B, 22B, and 23B for power distribution switch gears. The bushings 3c and 3e are arranged on the front side in the direction (arrow Q direction) perpendicular to the line direction (arrow P direction), and the bushings 3d and 3f are arranged on the upper side.

  The bushings 3b and 3a in the molding switches 2A and 2B are electrically connected via a bus 48, and the bushings 3a and 3b in the mold switches 2C and 2D are electrically connected via a bus 49, respectively. Further, the bushing 3g in the mold switch 24A and the bushing 3i in the mold switch 24B are electrically connected via the bus 50.

  One of the mold switches 2A, 2B, 2C, 2D or 24A, 24B electrically connected by the buses 48, 49, 50 described above connects a circuit breaker, a disconnect switch, a ground switch, and the like (not shown). The other mold switches 2A, 2B, 2C, 2D or 24A, 24B are provided with a disconnector, a ground switch, and a conductor connecting them. Moreover, the circuit breaker, the disconnector, the ground switch, and the conductor connecting them are integrally cast with resin, and are electrically connected to other components via the bushings 3a, 3b or 3h, 3j.

  Further, 2A, 2B, 2C, 2D, and 24A, 24B are connected to an operation mechanism (not shown) for mechanically driving the circuit breaker, disconnector, and ground switch.

  Further, the mold switch pair composed of the mold switches 2A, 2B, 2C, 2D or 24A, 24B connected by the buses 48, 49, 50 is arranged in the row direction (arrow P direction) with respect to the other mold switch pairs. Has been.

  Each of the power distribution switch gears 5A and 5B arranged adjacent to the bus bar segment switch gear 12 has three mold switches 21A, 22A and 23A having the same outer shape as the mold switches 2A, 2B, 2C and 2D. , 21B, 22B, and 23B, and one bushing 3d and 3f in the mold switches 21A, 22A, 23A and 21B, 22B, and 23B are connected to the busbar section switch gear 12 via the busbars 51, 52, 53, and 54. Are connected to the bushings 3a, 3b not connected to the buses 48, 49, 50 of the mold switch pair.

  Even with the configuration of this embodiment, the same effect as that of the first embodiment can be obtained, and the same operation mechanism as that of the power distribution switchgear can be employed.

  FIG. 6 shows a part of a row group of switch gears in which Example 4 of the bus bar segment switch gear is arranged.

In the present embodiment shown in the figure, the bus section switch gear 13 includes six mold switches (2A, 2B, 2C, 2D, 2E, 2F) of the bus section switch gear 1 shown in the first embodiment. The bushings 3a, 3b in one molding switch 2A, 2B, 2C and the bushings 3a, 3b in other mold switches 2D, 2E, 2F are electrically connected by a bus bar 4. Two bushings 3a, 3b provided in the mold switches 2A, 2B, 2C, 2D, 2E, 2F, respectively, are installed above the mold switches 2A, 2B, 2C, 2D, 2E, 2F. .

  Also, the mold switch pair composed of two mold switches 2A and 2D connected by the bus bar 4 is arranged in the row direction (arrow P direction) together with the mold switch pair composed of other mold switches 2B and 2E, 2C and 2F. ing.

  The power distribution switch gears 5A and 5B arranged so as to be adjacent to the bus bar segment switch gear 13 of this embodiment have the same outer shape as the mold switches 2A, 2B, 2C, 2D, 2E, and 2F (same Three mold switches 21A, 22A, 23A and 21B, 22B, 23B, and one bushing 3d of the mold switches 21A, 22A, 23A is connected to the mold switch 21B, via the bus bars 55A, 56A, 57A. One bushing 3f in 22B and 23B is connected to bushings 3a and 3b that are not connected to the bus 4 of the mold switch pair in the bus segment switch gear 13 via buses 55B, 56B and 57B.

  Even with the configuration of this embodiment, the same effect as that of the first embodiment can be obtained, and the same operation mechanism as that of the power distribution switchgear can be employed.

  In addition, this invention is not limited to an above-described Example, Various modifications are included. For example, the above-described embodiments have been described in detail for easy understanding of the present invention, and are not necessarily limited to those having all the configurations described. Further, a part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of one embodiment. Further, it is possible to add, delete, and replace other configurations for a part of the configuration of each embodiment.

  1, 11, 12, 13 ... bus section switch gear, 2A, 2B, 2C, 2D, 2E, 2F, 24A, 24B ... Mold switch, 3a, 3b, 3c, 3d, 3e, 3f, 3g, 3h, 3i 3j ... bushings 4, 41A, 42A, 43A, 41B, 42B, 43B, 44, 45A, 46A, 47A, 45B, 46B, 47B, 48, 49, 50, 51, 52, 53, 54, 55A, 56A 57A, 55B, 56B, 57B ... busbars, 5A, 5B ... power distribution switch gear, 6 ... circuit breaker, 7a, 7b ... disconnector with grounding switch, 8a, 8b ... conductor, 21A, 22A, 23A, 21B, 22B, 23B ... Mold switch for switchgear for power distribution.

Claims (15)

A plurality of power transmission / reception switch gears are connected via a bus bar, and are a bus bar segment switch gear installed to disconnect the electrical connection of the bus bar,
The bus bar switching gear has a plurality of bushings, is molded with a circuit breaker, a disconnect switch, a ground switch, and a conductor connecting them, and has a plurality of first molded switches having the same outer shape. A plurality of second mold switches arranged adjacent to the first mold switch, having a plurality of bushings, molded with a grounding switch and a conductor, and having the same outer shape; And a bus bar for connecting the bushing of the second mold switch, wherein the bushing of the second mold switch is arranged differently from the bushing of the first mold switch. The switch gear for busbar classification according to claim 1,
The first and second mold switches are arranged so that the longitudinal direction thereof is the row board direction. In the switch gear for busbar classification according to claim 1 or 2,
The first and second mold switches are arranged adjacent to each other in the row plate direction, and the pair of the first and second mold switches is in a direction perpendicular to the row plate direction. A switch gear for classifying busbars, characterized by being arranged. In the switch gear for busbar division according to any one of claims 1 to 3,
The bus bar section switch gear, wherein the bushings of the first and second mold switches are installed in the same direction. In the middle of a plurality of power receiving and distributing switch gears connected via a bus, a switch gear of a row configuration in which a bus segment switch gear for disconnecting the electrical connection of the bus is installed,
5. The switch gear according to claim 1, wherein the bus bar switching gear is the bus bar switching gear according to claim 1. The switchgear according to claim 5,
The power reception / distribution switch gear comprises three power reception / distribution switch gear mold switches having the same outer shape as the mold switch of the busbar division switch gear, and each power reception / distribution switch gear mold switch comprises: The longitudinal direction is a direction perpendicular to the panel direction, and the mold switch for power reception / distribution switch gear is arranged in the direction of the panel board, and each of the mold switches for power reception / distribution switch gear has two bushings. A switchgear characterized by comprising. The switchgear according to claim 6,
One bushing of the two bushings in the power distribution switchgear mold switch is disposed in the same direction as the mold switch of the bus section switchgear, and the two bushings in the power distribution switchgear mold switch A switchgear characterized in that the other bushing of the bushings is arranged in a different direction from the one bushing. The switchgear according to claim 7,
One bushing of the switch switch for power receiving / distributing switch is connected to each bushing of the mold switch of the switch gear for classifying the bus through another bus different from the bus. One of the bushings is connected to each bushing of the mold switch of the busbar segmentation switchgear via another busbar different from the busbar. The switchgear according to claim 5,
The bus bar segment switch gear is provided such that each longitudinal direction of the mold switch of the bus bar segment switch gear is perpendicular to the row board direction, or each mold switch of the bus bar segment switch gear is provided. A switchgear characterized in that the bushings are arranged in a direction perpendicular to the row board direction. The switchgear according to claim 9,
The power receiving / distributing switch gear comprises three power receiving / distributing switch gear molded switches having the same outer shape as the mold switch of the busbar segmenting switch gear, and each power receiving / distributing switch gear molded switch includes: A switchgear characterized in that the longitudinal direction is a direction perpendicular to the direction of the panel and the mold switch for power transmission and distribution is arranged in the direction of the panel. The switchgear according to claim 10,
Each of the switch switches for power distribution switchgear includes two bushings, and the bushings of one mold switch of the busbar section switch gear and the bushings of one mold switch for power distribution switchgear are connected via a busbar. A switchgear, wherein the bushing of the other mold switch of the switchgear for separating the busbars and the bushing of the mold switch for the other power receiving / distributing switchgear are connected via another busbar. . The switchgear according to claim 5,
The bus section switch gear includes four mold switches of the bus section switch gear and two mold switches having the same shape as the mold switch, and the four switch switches of the four bus section switch gears A switch having three power receiving / distributing switch gear mold switches arranged in the row direction so as to be adjacent to each other in the panel direction and having the same shape as the mold switch of the four busbar section switch gears. gear. The switchgear according to claim 12,
The three switch switches for power transmission / distribution each have two bushings, and the two mold switches each have two bushings, and the two bushings bushings of the two mold switches are mutually connected. The bushings are arranged in different directions, and the bushings provided in each of the four mold switches are all upward, and one of the three switch switches for the power receiving / distributing switchgear is perpendicular to the direction of the board. A switchgear characterized in that the other bushing is arranged on the front side in the direction and on the upper side. The switchgear according to claim 5,
The bus section switch gear includes six mold switches of the bus section switch gear, and the bushing in one of the mold switches and the bushing in another mold switch are electrically connected by the bus. Two bushings respectively provided in the mold switch are installed on the upper side with respect to the mold switch, and a mold switch pair including two mold switches connected by the bus bar is connected to other mold switches. A switchgear characterized by being arranged in a row direction with respect to a pair of molded switches. The switchgear according to claim 14,
Each of the power distribution switch gears arranged adjacent to the bus bar division switch gear includes three mold switches having the same outer shape as the mold switch, and one bushing in the one mold switch. The other bushing in the other mold switch is connected to the bushing which is not connected to the bus of the mold switch pair in the bus section switch gear via the other bus. The switchgear featured.

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