CN105429040A - Switch equipment with bus bar segmenting function - Google Patents

Switch equipment with bus bar segmenting function Download PDF

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Publication number
CN105429040A
CN105429040A CN201410291065.6A CN201410291065A CN105429040A CN 105429040 A CN105429040 A CN 105429040A CN 201410291065 A CN201410291065 A CN 201410291065A CN 105429040 A CN105429040 A CN 105429040A
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China
Prior art keywords
station
bus
segmentation
feeder line
bar
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CN201410291065.6A
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CN105429040B (en
Inventor
杨长洲
许丽明
杜北江
阙银中
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ABB Technology AG
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ABB T&D Technology AG
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Publication of CN105429040B publication Critical patent/CN105429040B/en
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Abstract

The invention provides switch equipment with a bus bar segmenting function. The switch equipment comprises a bus bar chamber, a circuit breaker chamber, a cable chamber and a low-voltage chamber. The bus bar chamber comprises two three-station switches with a common bus end, namely a sectional three-position switch and a feed line three-position switch. A main bus bar segmentation function and a branched feed line function are respectively realized through the sectional three-position switch and the feed line three-position switch. The circuit breaker chamber comprises a circuit breaker, a current transformer, a voltage transformer, a plurality of cable sockets of each pole, a lightning arrester socket and connecting copper bars. The circuit breaker is used for switching on and off the circuit. The current transformer and the voltage transformer are used for measuring and protecting the circuit. The plurality of cable sockets of each pole are used for realizing large-current carrying. The lightning arrester socket is used for insertion with a lightning arrester for realizing a circuit-side overvoltage safety protection function. The switch equipment of the invention has an external dimension which is same with that of an existing traditional feed line cabinet and has higher integration degree. Furthermore the switch equipment has a feed line branching function and a main bus bar segmentation function. Material and space are saved through a high-integration design.

Description

There is the switchgear of bus section function
Technical field
The invention belongs to power product technical field, be specifically related to gas-insulated switchgear technical field, particularly relate to a kind of gas-insulated switchgear with bus section function.
Background technology
In existing classical electric railway transformer station, there is bus sectional lized demand for power supply main bus bar, powering to ensure reliability and the fail safe of power supply for realizing bus section.Sometimes in same section of main bus bar, also have bus sectional lized demand, for break down when switchgear or because of other reasons need maintenance time switchgear can be broken to ensure safety from main bus bar.In existing classical transformer station conceptual design, the fragmentation feature of main bus bar realizes separately with standard fragmentation cabinet usually.Segmentation cabinet is placed in the switchgear place that segmentation place of two sections of buses or same section of bus need segmentation, is connected with incoming line cabinet or feeder cabinet.
Fig. 1 is the structural representation of an existing feeder cabinet, comprises bus-bar room 1100, breaker chamber 2100, cable vault 3100 and low-pressure chamber 4100, and bus-bar room 1100 comprises main bus bar, bus socket, branch bar and feeder line three-station and wall bushing.Bus socket is for connecting main bus bar and realizing the connection with other switchgears; Branch bar is used for shunting from main bus bar and passing through feeder line three station being connected with load side, and feeder line three station, for realizing the connection control between branch bar and feeder line, comprises connection, isolation and ground connection three kinds of states.Breaker chamber 2100 comprises circuit breaker, current transformer, voltage transformer, cable socket and connects copper bar.Circuit breaker for realize line side circuit cut-off with close, voltage transformer and current transformer be for realizing the measuring and protection in line side.The connection of cable socket adopts yi word pattern arrangement, and long copper bar connects.Shown in cable vault be arranged on most bottom surface, bus-bar room is installed on sub-cable vault, and breaker chamber is placed on bus-bar room and cable vault, each several part assembled in sequence, easy and simple to handle.
Fig. 2 is the structural representation of an existing bus section cabinet, comprises bus-bar room 1200 and low-pressure chamber 4200.Bus-bar room mainly comprises bus socket, segmentation three-station and is connected copper bar.One side bus socket is connected with three stations by connecting copper bar, is connected, can be realized the segmentation of main bus bar by three-station, be connected, realize the segmentation of bus by the bus socket of segmentation cabinet with other cupboards by three stations with opposite side main bus bar.Shown bus-bar room is placed on the framework of cable vault, and various piece assembled in sequence is easy and simple to handle.
Compared with the switchgear of other types, gas insulation switch cabinet integrated level is high, occupation of land space is little.Obviously, being used alone segmentation cabinet, to realize that this solution consume material of main bus bar segmentation is many, space is taken up an area in transformer station large.
Therefore, the switchgear that can realize said function that a kind of compacter integrated level is higher is needed.
Summary of the invention
The present invention is directed to the deficiency of above-mentioned existing switchgear, a kind of switchgear with bus section function is provided, comprises bus-bar room, breaker chamber, cable vault and low-pressure chamber; The bus-bar room of switchgear of the present invention comprises segmentation three-station and feeder line three-station; Therefore bus section function is provided with.
Described segmentation three-station comprises segmentation three-station fixed contact, segmentation three-station Interposer contact, segmentation three-station grounding contact and segmentation three-station moving contact; By the slip of segmentation three-station moving contact be connected with segmentation three-station fixed contact, segmentation three-station Interposer contact, segmentation three-station grounding contact respectively realize circuit connection, isolation and ground connection function;
Described feeder line three-station comprises feeder line three-station fixed contact, feeder line three-station Interposer contact, feeder line three-station grounding contact and feeder line three-station moving contact; Be connected the function realizing connection, isolation and ground connection respectively with feeder line three-station fixed contact, feeder line three-station Interposer contact, feeder line three-station grounding contact by the motion of moving contact.
According to a most preferred embodiment of the present invention, described cable vault is placed in bottom, and bus-bar room and breaker chamber are arranged on cable vault respectively, and breaker chamber is placed on bus-bar room, and low-pressure chamber is placed in the front of bus-bar room and breaker chamber, described each several part assembled in sequence.
According to most preferred embodiment of the present invention, described breaker chamber comprises housing, circuit breaker, wall bushing connect copper bar, current transformer, circuit breaker connects copper bar, current transformer connects copper bar, cable socket connects copper coin, lightning arrester connects copper bar, voltage transformer connects copper bar, radiator, cable socket, lightning arrester socket, voltage transformer gang socket and voltage transformer band isolation knife operating mechanism.
According to most preferred embodiment of the present invention, wall bushing connects copper bar and is connected with bus-bar room, connects copper bar be connected to common segment successively through circuit breaker, circuit breaker, and deriving from circuit breaker connection copper bar is two branched lines; Branch is connected copper bar with current transformer, current transformer, cable socket connects copper coin and connects successively with cable socket and be finally connected with cable, connects copper bar be connected with lightning arrester socket by lightning arrester; Another one branch is connected copper bar by voltage transformer connection copper bar with circuit breaker and is connected, and is connected with voltage transformer socket by voltage transformer band isolation knife operating mechanism, realizes the measurement of feeder line side voltage and the protection of feeder line side.
According to most preferred embodiment of the present invention, described breaker chamber also comprises radiator, for improving the heat radiation of breaker chamber.
According to most preferred embodiment of the present invention, the cable socket of described breaker chamber connects copper coin and adopts square copper coin.
According to most preferred embodiment of the present invention, described switchgear also comprises overvoltage protection lightning arrester, and it is placed in cable vault, by being connected with lightning arrester socket, realizes the over-voltage protection function of system.
According to another most preferred embodiment of the present invention, switchgear also comprises overvoltage protection lightning arrester, and it is placed on breaker chamber.
According to a most preferred embodiment of the present invention, segmentation three-station and feeder line three-station are placed up and down, and three-station axis is parallel to each other.Segmentation three-station is near the pressure release passage of bus-bar room, and axis is horizontal arrangement; Feeder line three-station is near cable vault, and axis is horizontal arrangement.
According to another most preferred embodiment of the present invention, place before and after segmentation three-station and feeder line three-station, and segmentation three-station is mutually vertical with feeder line three-station axis.
Segmentation three-station is near cable vault, and axis is arranged vertically; Feeder line three-station is near breaker chamber, and axis is horizontal arrangement.
According to fork one most preferred embodiment of the present invention, segmentation three-station is near low-pressure chamber, and axis is arranged vertically; Feeder line three-station is near breaker chamber, and axis is horizontal arrangement
Described bus-bar room also comprises bus socket for connecting two sections of main bus bars and the main bus bar with splicing cabinet.
According to most preferred embodiment of the present invention, main bus bar one end is connected copper bar and connects with feeder branch, be connected with breaker chamber by feeder line three-station and wall bushing, realizes line side feeder line function; The other end is connected copper bar and segmentation three-station and other end bus and connects with segmentation branch, realize the fragmentation feature of main bus bar.
According to most preferred embodiment of the present invention, when feeder line three-station is in " conjunction " position, when segmentation three-station is also in " conjunction " position, electric current flows out from bus socket, copper bar is connected with feeder line and segmentation are shared through left side main bus bar copper bar, a branch flows to right side main bus bar copper bar through segmentation three-station fixed contact, segmentation three-station moving contact, segmentation three-station Interposer contact and connection segment copper bar, then splices via bus socket and an other switchgear; Another branch is connected with breaker chamber with wall bushing through feeder line three-station fixed contact, feeder line three-station moving contact, feeder line three-station Interposer contact, finally flows out via cable.
According to most preferred embodiment of the present invention, also comprise the support of bus supporting insulator for bus, ensure the intensity of bus.
The switchgear with bus section function of the present invention, identical with existing classical feeder cabinet overall dimension but integration degree is higher, not only have branch feeder function, have main bus bar fragmentation feature simultaneously, the design of Highgrade integration has greatly been saved material and has taken up an area space; Compact breaker chamber design, the load bearing requirements that not only can meet big current can realize the overvoltage safeguard protection of feeder line side simultaneously, makes the operation of switchgear more safe and efficient.
Accompanying drawing explanation
Figure 1 shows that the structural representation of existing feeder cabinet;
Figure 2 shows that the structural representation of existing segmentation cabinet;
Figure 3 shows that the switchgear with bus section function of first most preferred embodiment of the present invention;
Fig. 4 A and 4B is depicted as the bus-bar room with bus section functional switch equipment of first most preferred embodiment of the present invention;
Figure 5 shows that the breaker chamber structural representation with bus section functional switch equipment of first most preferred embodiment of the present invention;
Figure 6 shows that the copper coin of the breaker chamber of first most preferred embodiment of the present invention connects and socket schematic diagram;
Figure 7 shows that the switchgear with bus section function of second most preferred embodiment of the present invention;
Figure 8 shows that the bus-bar room with bus section functional switch equipment of second most preferred embodiment of the present invention;
Figure 9 shows that the switchgear with bus section function of the 3rd most preferred embodiment of the present invention;
Figure 10 shows that the bus-bar room with bus section functional switch equipment of the 3rd most preferred embodiment of the present invention.
Embodiment
Below with reference to accompanying drawing, give the specific descriptions of Alternate embodiments of the present invention.
Figure 3 shows that first most preferred embodiment with the switchgear of main bus bar fragmentation feature and feeder line function of the present invention.It comprises bus-bar room 1000, breaker chamber 2000, cable vault 3000 and low-pressure chamber 4000.Wherein, cable vault 3000 is placed in bottom, bus-bar room 1000 and breaker chamber 2000 are arranged on the framework of cable vault 3000 respectively, breaker chamber 2000 is placed on bus-bar room 1000, low-pressure chamber 4000 is placed in the front of bus-bar room 1000 and breaker chamber 2000, described each several part assembled in sequence, easy and simple to handle.
The main feature of this switch cubicle is that segmentation three-station and feeder line three-station are fused in novel bus room 1000, and segmentation three-station and feeder line three-station are placed up and down, and three-station axis is parallel to each other.Segmentation three-station is near the pressure release passage of bus-bar room 1000, and axis is horizontal arrangement; Feeder line three-station is near cable vault 3000, and axis is horizontal arrangement.Breaker chamber 2000 arranges multi-cable socket and lightning arrester socket, meets the demand of high current load and plug-in arrester meet line side overvoltage protection residence and ask for grafting multi-cable.
Fig. 4 A and Fig. 4 B is depicted as the switchgear with main bus bar fragmentation feature and feeder line function of the present invention first most preferred embodiment, and Fig. 4 A and 4B is respectively the view of different directions.Bus-bar room 1000 is all in the connection diagram of " conjunction " position when sectionalizer and feeder line isolating switch.The bus-bar room function of feeder cabinet and the bus-bar room function of segmentation cabinet are fused in this bus-bar room by this bus-bar room, and have done rational arrangement to parts and structure.
Described bus-bar room 1000 comprises housing 10, wall bushing 20, feeder line three-station fixed contact 30, feeder line three-station Interposer contact 31, feeder line three-station grounding contact 32, feeder line three-station moving contact 33, segmentation three-station fixed contact 40, segmentation three-station Interposer contact 41, segmentation three-station grounding contact 42, segmentation three-station moving contact 43, bus socket 50, feeder line and segmentation share and connect copper bar 61, connection segment copper bar 62, main bus bar copper bar 60 and bus supporting insulator 70.
Described bus-bar room 1000 comprises the two poles of the earth, and every pole comprises two branch lines, and a branch line is line side feeder line, and one is main bus bar segmented line.Wherein, segmentation three-station fixed contact 40, segmentation three-station Interposer contact 41, segmentation three-station grounding contact 42, segmentation three-station moving contact 43 are the segmentation three-station of complete set, by the slip of segmentation three-station moving contact 43 be connected with segmentation three-station fixed contact 40, segmentation three-station Interposer contact 41, segmentation three-station grounding contact 42 respectively realize circuit connection, isolation and ground connection function.Feeder line three-station fixed contact 30, feeder line three-station Interposer contact 31, feeder line three-station grounding contact 32, feeder line three-station moving contact 33 are the feeder line three-station of complete set, are connected the function realizing connection, isolation and ground connection by the motion of moving contact 33 respectively with feeder line three-station fixed contact 30, feeder line three-station Interposer contact 31, feeder line three-station grounding contact 32.Bus socket 50 is for connecting two sections of main bus bars 60 and splicing with the main bus bar of other cupboards; Share connect copper bar 61 and feeder line three-station for connecting branch bar feeder line and segmentation simultaneously, be connected with breaker chamber 2000 by wall bushing 20, realize line side feeder line function.
When feeder line three-station is in " conjunction " position, when segmentation three-station is also in " conjunction " position, electric current flows out from bus socket 50, copper bar 61 is connected with feeder line and segmentation are shared through left side main bus bar copper bar 60, a branch flows to right side main bus bar copper bar 60 with connection segment copper bar 62 through segmentation three-station fixed contact 40, segmentation three-station moving contact 43, segmentation three-station Interposer contact 41, then splices via bus socket 50 and an other switchgear.And another branch is connected with breaker chamber 2000 with wall bushing 20 through feeder line three-station fixed contact 30, feeder line three-station moving contact 33, feeder line three-station Interposer contact 31, finally flow out via cable.Bus supporting insulator 70, for the support of bus, ensures the intensity of bus.When the moving contact 43 of segmentation three-station mediate isolated location namely overlap with Interposer contact 42 time, the segmentation of bus can be realized, for ensureing the reliability of powering and fail safe; When the moving contact 43 of segmentation three-station is connected with grounding contact 42, the ground connection of corresponding circuit can be realized.
Figure 5 shows that the switchgear with main bus bar fragmentation feature and feeder line function of the first most preferred embodiment of the present invention, breaker chamber 2000 structural representation, it comprises housing 200, circuit breaker 220, wall bushing connects copper bar 210, current transformer 230, circuit breaker connects copper bar 211, current transformer connects copper bar 212, cable socket connects copper coin 213, lightning arrester connects copper bar 214, voltage transformer connects copper bar 215, radiator 240, cable socket 250, lightning arrester socket 260, the operating mechanism 280 of voltage transformer gang socket 270 and voltage transformer band isolation knife.
This breaker chamber 2000 comprises the two poles of the earth, and every pole comprises Liang Tiao branch.Connect copper bar 210 by wall bushing to be connected with bus-bar room 1000, connect copper bar 211 be connected to common segment successively through circuit breaker 220, circuit breaker, deriving from circuit breaker connection copper bar 211 is two branched lines.Branch is connected copper bar 212 with current transformer 230, current transformer, cable socket connects copper coin 213 and connects successively with cable socket 250 and be finally connected with cable, connects copper bar 214 be connected with lightning arrester socket 260 by lightning arrester; Another one branch is connected copper bar 211 by voltage transformer connection copper bar 215 with circuit breaker and is connected; and be connected with voltage transformer socket 270 by voltage transformer band isolation knife operating mechanism 280; realize the measurement of feeder line side voltage and the protection of feeder line side; and this voltage transformer is with spacer assembly; can isolate with circuit when needing, ensure the safety of operation.Radiator 240, for improving the heat dispersal situations of breaker chamber 2000, ensures that whole switchgear runs the operation of period efficient stable more at big current.
Figure 6 shows that the present invention has switchgear first most preferred embodiment of main bus bar fragmentation feature and feeder line function, the unipolar cables of breaker chamber 2000 and the cable socket of lightning arrester connect copper coin 213, lightning arrester connects copper bar 214, cable socket 250, lightning arrester socket 260.Square copper coin 213 not only can realize the connection of multi-cable in limited space, and the area of dissipation larger than having with general connection copper bar, is ensureing the stable operation that effectively can ensure switchgear while big current runs.
As shown in Figure 3, overvoltage protection lightning arrester 900, by being connected with lightning arrester socket 260, realizes the over-voltage protection function of system, the effective security performance ensureing circuit operation.This inserting mode is simple, easy for installation.
Figure 7 shows that the switchgear of the second most preferred embodiment realizing this main bus bar fragmentation feature.Comprise main bus bar room 1300, breaker chamber 2300, cable vault 3300 and low-pressure chamber 4300.Cable vault 3300 is arranged on the bottom, bus-bar room 1300 and breaker chamber 2300 are arranged in cable vault 3300 respectively, and breaker chamber 2300 is placed on bus-bar room 1300, and low-pressure chamber 4300 is placed in the front of bus-bar room 1300 and breaker chamber 2300, described each several part order is installed, easy and simple to handle.
Compared with the switchgear of the first most preferred embodiment, the main feature of the switch cubicle of the second most preferred embodiment is that segmentation three-station and feeder line three-station are fused in novel bus room 1300, place before and after segmentation three-station and feeder line three-station, three-station axis is mutually vertical.Segmentation three-station is near cable vault 3300, and axis is arranged vertically; Feeder line three-station is near breaker chamber 2300, and axis is horizontal arrangement.Breaker chamber 2300 arranges multi-cable socket and lightning arrester socket equally, meets the demand of high current load and plug-in arrester meets line side overvoltage protection demand for grafting multi-cable.The design of what the connection of cable socket adopted is square copper coin, lightning arrester socket is placed in the P1 end of current transformer.
Described in Fig. 8, bus-bar room 1300 comprises housing 310, wall bushing 320, feeder line three-station fixed contact 330, feeder line three-station Interposer contact 331, feeder line three-station grounding contact 332, feeder line three-station moving contact 333, segmentation three-station fixed contact 340, segmentation three-station Interposer contact 341, segmentation three-station grounding contact 342, segmentation three-station moving contact 343, bus socket 350, feeder line connects copper bar 361, connection segment copper bar 362, main bus bar copper bar 360.
Described bus-bar room 1300 comprises the two poles of the earth, and every pole comprises two branch lines, and a branch line is line side feeder line, and one is main bus bar segmented line.Wherein, segmentation three-station fixed contact 340, segmentation three-station Interposer contact 341, segmentation three-station grounding contact 342, segmentation three-station moving contact 343 are the segmentation three-station of complete set, by the slip of segmentation three-station moving contact 343 be connected with segmentation three-station fixed contact 340, segmentation three-station Interposer contact 341, segmentation three-station grounding contact 342 respectively realize circuit connection, isolation and ground connection function.Feeder line three-station fixed contact 330, feeder line three-station Interposer contact 331, feeder line three-station grounding contact 332, feeder line three-station moving contact 333 are the feeder line three-station of complete set, are connected the function realizing connection, isolation and ground connection by the motion of moving contact 333 respectively with feeder line three-station fixed contact 330, feeder line three-station Interposer contact 331, feeder line three-station grounding contact 332.Bus socket 350 is for connecting two sections of main bus bars 360 and splicing with the main bus bar of other cupboards; One end of main bus bar 360 is connected copper bar 361 and connects with feeder branch, be connected, realize line side feeder line function by feeder line three-station and wall bushing with breaker chamber 2300; The other end is connected copper bar 362 and segmentation three-station and other end segmentation branch copper bar 362 and bus 360 and connects with segmentation branch, realize the segmentation of main bus bar.
According to the second most preferred embodiment of the present invention, described switchgear also comprises overvoltage protection lightning arrester 900, and it is placed on breaker chamber 2300.
Figure 9 shows that the switchgear of the 3rd most preferred embodiment realizing this main bus bar fragmentation feature.Comprise main bus bar room 1400, breaker chamber 2400, cable vault 3400 and low-pressure chamber 4400.Cable vault 3400 is arranged on the bottom, bus-bar room 1400 and breaker chamber 2400 are arranged in cable vault 3400 respectively, and breaker chamber 2400 is placed on bus-bar room 1400, and low-pressure chamber 4400 is placed in the front of bus-bar room 1400 and breaker chamber 2400, described each several part order is installed, easy and simple to handle.
The main feature of this switch cubicle is that segmentation three-station and feeder line three-station are fused in novel bus room 1400, and place before and after segmentation three-station and feeder line three-station, three-station axis is mutually vertical.Segmentation three-station is near low-pressure chamber 4400, and axis is arranged vertically; Feeder line three-station is near breaker chamber 2400, and axis is horizontal arrangement.Breaker chamber 2400 arranges multi-cable socket and lightning arrester socket equally, meets the demand of high current load and plug-in arrester meets line side overvoltage protection demand for grafting multi-cable.The cable gang socket of breaker chamber have employed the connected mode identical with existing feeder cabinet, uses long copper bar to connect; Lightning arrester socket is placed in the P1 end of current transformer.The block switch of described bus-bar room 1400 is placed in low-pressure chamber space, and therefore this switchgear has compacter low-pressure chamber.
Described in Figure 10, bus-bar room 1400 comprises housing 410, wall bushing 420, feeder line three-station fixed contact 430, feeder line three-station Interposer contact 431, feeder line three-station grounding contact 432, feeder line three-station moving contact 433, segmentation three-station fixed contact 440, segmentation three-station Interposer contact 441, segmentation three-station grounding contact 442, segmentation three-station moving contact 443, bus socket 450, feeder line connects copper bar 461, connection segment copper bar 462, main bus bar copper bar 460.
Compared with the switch cubicle of the first most preferred embodiment, the described bus-bar room 1400 of the switch cubicle of the 3rd most preferred embodiment comprises the two poles of the earth, and every pole comprises two branch lines, and a branch line is line side feeder line, and one is main bus bar segmented line.Wherein, segmentation three-station fixed contact 440, segmentation three-station Interposer contact 441, segmentation three-station grounding contact 442, segmentation three-station moving contact 443 are the segmentation three-station of complete set, by the slip of segmentation three-station moving contact 443 be connected with segmentation three-station fixed contact 440, segmentation three-station Interposer contact 441, segmentation three-station grounding contact 442 respectively realize circuit connection, isolation and ground connection function.Feeder line three-station fixed contact 430, feeder line three-station Interposer contact 431, feeder line three-station grounding contact 432, feeder line three-station moving contact 433 are the feeder line three-station of complete set, are connected the function realizing connection, isolation and ground connection by the motion of moving contact 433 respectively with feeder line three-station fixed contact 430, feeder line three-station Interposer contact 431, feeder line three-station grounding contact 432.Bus socket 450 is for connecting two sections of main bus bars 460 and splicing with the main bus bar of other cupboards; One end, main bus bar 460 one side is connected copper bar 461 and connects with feeder branch, be connected, realize line side feeder line function by feeder line three-station and wall bushing with breaker chamber 2400; The other end is connected copper bar 462 and segmentation three-station and other end bus 460 and connects with segmentation branch, realize the segmentation of main bus bar.Before the busbar sectional izing switch of this bus-bar room is placed in feeder switch, there is compacter low-pressure chamber design.
According to the 3rd most preferred embodiment of the present invention, described switchgear also comprises overvoltage protection lightning arrester 900, and it is placed on breaker chamber 2400.
The switch cubicle of three most preferred embodiments of the present invention is the two poles of the earth block switch cabinets, and block switch and feeder switch merge in same bus-bar room, and existing main bus bar fragmentation feature has again line side feeder line function.Block switch is used for the two poles of the earth of switch cubicle, realizes the fragmentation feature of main bus bar; Feeder switch, too for the two poles of the earth of switch cubicle, realizes the control of line side feeder line.
The switch cubicle of three most preferred embodiments of the present invention merges two three-stations realize bus section and feeder line respectively function to a bus-bar room, incessantly be confined to two-photo pole switch cabinet, equally also can be used for single-pole switch cabinet and threephase switch cabinet, principle roughly the same, repeats no more.
Switchgear of the present invention is identical with existing classical feeder cabinet overall dimension but integration degree is higher, not only has branch feeder function, has main bus bar fragmentation feature simultaneously, and the design of Highgrade integration has greatly been saved material and taken up an area space; Compact breaker chamber design, the load bearing requirements that not only can meet big current can realize the overvoltage safeguard protection of feeder line side simultaneously, makes the operation of switchgear more safe and efficient; And this switchgear structure simple, be easy to manufacture, easy and simple to handle.
Although disclose preferred embodiment of the present invention and accompanying drawing for the purpose of illustration, person skilled in the art, without departing from the spirit and scope of the invention and the appended claims, various replacement, change and retouching can be done.Therefore, the present invention should not be limited to the content disclosed in preferred embodiment and accompanying drawing, and the scope that protection scope of the present invention defines with appending claims is as the criterion.

Claims (18)

1. there is a switchgear for bus section function, comprise bus-bar room (1000,1300,1400), breaker chamber (2000,2300,2400), cable vault (3000,3300,3400) and low-pressure chamber (4000,4300,4400); It is characterized in that:
Described bus-bar room (1000,1300,1400) comprises segmentation three-station and feeder line three-station;
Described segmentation three-station comprises segmentation three-station fixed contact (40,340,440), segmentation three-station Interposer contact (41,341,441), segmentation three-station grounding contact (42,342,442) and segmentation three-station moving contact (43,343,443); By segmentation three-station moving contact (43,343,443) slip respectively with segmentation three-station fixed contact (40,340,440), segmentation three-station Interposer contact (41,341,441), segmentation three-station grounding contact (42,342,442) function realizing the connection of circuit, isolation and ground connection is connected;
Described feeder line three-station comprises feeder line three-station fixed contact (30,330,430), feeder line three-station Interposer contact (31,331,431), feeder line three-station grounding contact (32,332,432) and feeder line three-station moving contact (33,333,433); By moving contact (33,333,433) motion respectively with feeder line three-station fixed contact (30,330,430), feeder line three-station Interposer contact (31,331,431), feeder line three-station grounding contact (32,332,432) function realizing connection, isolation and ground connection is connected.
2. the switchgear with bus section function according to claim 1, it is characterized in that: described cable vault (3000, 3300, 3400) bottom is placed in, bus-bar room (1000, 1300, 1400) and breaker chamber (2000, 2300, 2400) cable vault (3000 is arranged on respectively, 3300, 3400) on, breaker chamber (2000, 2300, 2400) bus-bar room (1000 is placed in, 1300, 1400) on, low-pressure chamber (4000, 4300, 4400) bus-bar room (1000 is placed in, 1300, 1400) and breaker chamber (2000, 2300, 2400) front, described each several part assembled in sequence.
3. the switchgear with bus section function according to claim 2, it is characterized in that: described breaker chamber (2000) comprises housing (200), circuit breaker (220), wall bushing connects copper bar (210), current transformer (230), circuit breaker connects copper bar (211), current transformer connects copper bar (212), cable socket connects copper coin (213), lightning arrester connects copper bar (214), voltage transformer connects copper bar (215), radiator (240), cable socket (250), lightning arrester socket (260), the operating mechanism (280) of voltage transformer gang socket (270) and voltage transformer band isolation knife.
4. the switchgear with bus section function according to claim 3, it is characterized in that: wall bushing connects copper bar (210) and is connected with bus-bar room (1000), connect copper bar (211) be connected to common segment successively through circuit breaker (220), circuit breaker, deriving from circuit breaker connection copper bar (211) is two branched lines; Branch is connected copper bar (212) with current transformer (230), current transformer, cable socket connects copper coin (213) and connects successively with cable socket (250) and be finally connected with cable, connects copper bar (214) be connected with lightning arrester socket (260) by lightning arrester; Another one branch connects copper bar (215) by voltage transformer and to be connected copper bar (211) with circuit breaker and to be connected; and be connected with voltage transformer socket (270) by voltage transformer band isolation knife operating mechanism (280), realize the measurement of feeder line side voltage and the protection of feeder line side.
5. the switchgear with bus section function according to claim 1, is characterized in that: described breaker chamber (2000) also comprises radiator (240), for improving the heat radiation of breaker chamber (2000).
6. the switchgear with bus section function according to claim 3, is characterized in that: the cable socket of described breaker chamber (2000) connects copper coin (213) and adopts square copper coin.
7. the switchgear with bus section function according to claim 3; it is characterized in that: described switchgear also comprises overvoltage protection lightning arrester (900); it is placed in cable vault (3000); by being connected with lightning arrester socket (260), realize the over-voltage protection function of system.
8. the switchgear with bus section function according to claim 3; it is characterized in that: described switchgear also comprises overvoltage protection lightning arrester (900); it is placed in cable vault (3000); by being connected with lightning arrester socket (260), realize the over-voltage protection function of system
9. the switchgear with bus section function according to claim 1, is characterized in that: described switchgear also comprises overvoltage protection lightning arrester (900), and it is placed on breaker chamber (2300,2400).
10. the switchgear with bus section function according to claim 1, is characterized in that: segmentation three-station and feeder line three-station are placed up and down, and three-station axis is parallel to each other.
11. switchgears with bus section function according to claim 10, is characterized in that: segmentation three-station is near the pressure release passage of bus-bar room (1000), and axis is horizontal arrangement; Feeder line three-station is near cable vault (3000), and axis is horizontal arrangement.
12. switchgears with bus section function according to claim 1, is characterized in that: place before and after segmentation three-station and feeder line three-station, and segmentation three-station is mutually vertical with feeder line three-station axis.
13. switchgears with bus section function according to claim 12, is characterized in that: segmentation three-station is near cable vault (3300), and axis is arranged vertically; Feeder line three-station is near breaker chamber (2300), and axis is horizontal arrangement.
14. switchgears with bus section function according to claim 12, is characterized in that: segmentation three-station is near low-pressure chamber (4400), and axis is arranged vertically; Feeder line three-station is near breaker chamber (2400), and axis is horizontal arrangement.
15. switchgears with bus section function according to claim 1, it is characterized in that: described bus-bar room (1000,1300,1400) bus socket (50 is also comprised, 350,450) for connecting two sections of main bus bars (60,360,460) and the main bus bar with splicing cabinet.
16. switchgears with bus section function according to claim 15, it is characterized in that: main bus bar (60,360,460) one end is connected copper bar (61,361,461) connection with feeder branch, by feeder line three-station and wall bushing and breaker chamber (2000,2300,2400) connect, realize line side feeder line function; The other end is connected copper bar (62,362,462) and segmentation three-station and other end bus (60,360,460) and connects with segmentation branch, realize the fragmentation feature of main bus bar.
17. switchgears with bus section function according to claim 1, it is characterized in that: when feeder line three-station is in " conjunction " position, when segmentation three-station is also in " conjunction " position, electric current flows out from bus socket (50), copper bar (61) is connected with feeder line and segmentation are shared through left side main bus bar copper bar (60), a branch is through segmentation three-station fixed contact (40), segmentation three-station moving contact (43), segmentation three-station Interposer contact (41) and connection segment copper bar (62) flow to right side main bus bar copper bar (60), splice via bus socket (50) and an other switchgear again, another branch is connected with breaker chamber (2000) with wall bushing (20) through feeder line three-station fixed contact (30), feeder line three-station moving contact (33), feeder line three-station Interposer contact (31), finally flows out via cable.
18. switchgears with bus section function according to claim 1, is characterized in that: also comprise the support of bus supporting insulator (70) for bus, ensure the intensity of bus.
CN201410291065.6A 2014-06-25 2014-06-25 Switchgear with bus section function Active CN105429040B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117767162A (en) * 2024-02-21 2024-03-26 霍立克电气有限公司 Inflatable environment-friendly gas high-voltage switch cabinet with phase control function

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Publication number Priority date Publication date Assignee Title
CN1224940A (en) * 1998-01-29 1999-08-04 东芝株式会社 Gas insulating switch apparatus
JP2004153954A (en) * 2002-10-31 2004-05-27 Mitsubishi Electric Corp Gas-insulated switchgear
CN201541081U (en) * 2009-12-01 2010-08-04 Abb技术有限公司 Monopole railway cabinet type gas insulated switch device
CN202872241U (en) * 2012-08-14 2013-04-10 Abb技术有限公司 Bus bar chamber with bus bar isolation function and bus bar measuring function

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1224940A (en) * 1998-01-29 1999-08-04 东芝株式会社 Gas insulating switch apparatus
JP2004153954A (en) * 2002-10-31 2004-05-27 Mitsubishi Electric Corp Gas-insulated switchgear
CN201541081U (en) * 2009-12-01 2010-08-04 Abb技术有限公司 Monopole railway cabinet type gas insulated switch device
CN202872241U (en) * 2012-08-14 2013-04-10 Abb技术有限公司 Bus bar chamber with bus bar isolation function and bus bar measuring function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117767162A (en) * 2024-02-21 2024-03-26 霍立克电气有限公司 Inflatable environment-friendly gas high-voltage switch cabinet with phase control function
CN117767162B (en) * 2024-02-21 2024-05-07 霍立克电气有限公司 Inflatable environment-friendly gas high-voltage switch cabinet with phase control function

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