CN202772488U - Metering combination ring network switch cabinet - Google Patents

Metering combination ring network switch cabinet Download PDF

Info

Publication number
CN202772488U
CN202772488U CN 201220460825 CN201220460825U CN202772488U CN 202772488 U CN202772488 U CN 202772488U CN 201220460825 CN201220460825 CN 201220460825 CN 201220460825 U CN201220460825 U CN 201220460825U CN 202772488 U CN202772488 U CN 202772488U
Authority
CN
China
Prior art keywords
insulating sleeve
copper bar
cabinet
metering
full skirt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220460825
Other languages
Chinese (zh)
Inventor
张其仁
金承光
胡伟军
王保义
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hua Cheng Power Equipment Co Ltd Of Shenzhen
Original Assignee
Hua Cheng Power Equipment Co Ltd Of Shenzhen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hua Cheng Power Equipment Co Ltd Of Shenzhen filed Critical Hua Cheng Power Equipment Co Ltd Of Shenzhen
Priority to CN 201220460825 priority Critical patent/CN202772488U/en
Application granted granted Critical
Publication of CN202772488U publication Critical patent/CN202772488U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

Disclosed is a metering combination ring network switch cabinet, comprising a totally-enclosed all-insulation ring network breaker unit (1) with three-phase right-side expansion arranged at the left side, a metal enclosing metering ring network cabinet unit (20) arranged at the central section, and a totally-enclosed all-insulation ring network load switch unit (40) with three-phase left-side expansion arranged at the right side, wherein the totally-enclosed all-insulation ring network breaker unit (1) with three-phase right-side expansion and the metal enclosing metering ring network cabinet unit (20) are spliced via bolts; and the metal enclosing metering ring network cabinet unit (20) and the totally-enclosed all-insulation ring network load switch unit (40) are spliced via bolts. The metering combination ring network switch cabinet of the utility model combines the advantages of the metal enclosing ring network cabinet and the totally-enclosed all-insulation ring network switch cabinet together and keeps the height of the combination cabinet at 1450mm and the depth of the metering cabinet at 820mm. Meanwhile, the copper bars inside the metering cabinet are wrapped by insulating sleeves, thereby reducing the size of the combination cabinet and decreasing the requirements of the device for operation environment. Meanwhile, the combination and maintenance are convenient.

Description

Metering combination loop-network switch cabinet
Technical field
The utility model belongs to middle pressure metering switch equipment, relates in particular to the combination sideboard of a kind of middle pressure metering metal enclosed ring main unit (XGN15-12 type) and the totally-enclosed all-insulated looped network switch cabinet of SF6.
Background technology
At present, metal enclosed ring main unit (XGN15-12 type) and the totally-enclosed all-insulated looped network switch cabinet of SF6 as medium voltage switchgear equipment is widely used in China's town and country electric power networks.And the medium voltage electricity metering cabinet must rely on other switchgears as the network terminal and exist, and to realize it to the management of power use and the good service of terminal client, it also proposes higher requirement to the switchgear that is complementary with it.Metal enclosed ring main unit (XGN15-12 type) has cheap, and easy care makes up nimble superiority; But its bus is take air as dielectric, and its requirement to running environment is also higher, and its cabinet volume is larger, and also just relatively poor because of its insulating properties, the cabinet volume is large, therefore will progressively be eliminated.The totally-enclosed all-insulated looped network switch cabinet of SF6, its volume is little, insulate high, and is low to the running environment requirement, and combination is flexibly.But the important devices current transformer as metering. voltage transformer is safeguarded because of need, therefore can't put it in the sealing gas tank.This is the weak point of the totally-enclosed all-insulated looped network switch cabinet of SF6, awaits the breakthrough of technical field.Therefore, in the middle die pressing product of need metering, just need a kind of insulation high, volume is little, and easy care requires lower product to running environment.Based on this, with the advantages of metal enclosed ring main unit (XGN15-12 type) and the totally-enclosed all-insulated looped network switch cabinet of SF6 together, thereby form the combination sideboard of metal enclosed ring main unit (XGN15-12 type) and the totally-enclosed all-insulated looped network switch cabinet of SF6.
The utility model content
For overcoming the deficiencies in the prior art, the utility model provides a kind of technical scheme, and is specific as follows:
A kind of metering combination loop-network switch cabinet comprises: be arranged on the totally-enclosed all insulation looped network breaker unit 1 with the expansion of three-phase right side on the left side, the metal enclosed metering ring main unit unit 20 in the middle of being arranged on, be arranged on the totally-enclosed all insulation ring net load switch unit 40 with the expansion of three-phase left side on the right; Mutually splice with bolt between the totally-enclosed all insulation looped network breaker unit 1 of described three-phase right side expansion and the described metal enclosed metering ring main unit 20, mutually splice with bolt between described metal enclosed metering ring main unit 20 and the described totally-enclosed all insulation ring net load switch unit 40 with the expansion of three-phase left side.
Further: described totally-enclosed all insulation looped network breaker unit 1 with the expansion of three-phase right side comprises: the first insulating sleeve 2 with full skirt, the first copper bar 3, the first air gauge 4, the first vacuum circuit-breaker 5, the first electrification display 6, first connect the front plug 9 of tri-station isolating switch 7, the second copper bar 8, the first cable, the first operating mechanism and interlock 11, the first cable vault 14, the second insulating sleeve 15 with full skirt, the first sealing gas tank 17, the 3rd copper bar 18 of cutter with being with; The first insulating sleeve 2 with full skirt, the first air gauge 4, the second insulating sleeve 15 with full skirt all are arranged on the first sealing gas tank 17 casings; Tri-station isolating switch 7, the second copper bar 18 that the first copper bar 3, the first vacuum circuit-breaker 5, first connect cutter with being with are arranged on the first sealing gas tank 17 inside; The first copper bar 3 connects the first insulating sleeve 2 and the first vacuum circuit-breaker 5 with full skirt; The 3rd copper bar 18 connects the tri-station isolating switch 7 of cutter with connecting the first vacuum circuit-breaker 5 and the first band; The first operating mechanism and interlock 11 are arranged on outside the first sealing gas tank 17 casings, and the first operating mechanism axially is connected the tri-station isolating switch 7 that the first vacuum circuit-breaker 5 and first connects cutter with being with interlock 11; The first cable vault 14 is arranged on the bottom with the totally-enclosed all insulation looped network breaker unit 1 of three-phase right side expansion; The second insulating sleeve 15 with full skirt is arranged on the wall of the first sealing gas tank 17; Plug 9 is arranged on the second insulating sleeve 15 with full skirt before the first cable; Connect the tri-station isolating switch 7 and second of cutter with linking together with the 3rd copper bar 18 between the insulating sleeve 15 of full skirt the first band.
Further: described metal enclosed metering ring main unit unit 20 comprises: copper bar 23, the insulator 24 with high-voltage sensor, high-tension fuse 25, voltage transformer 26, insulator 27, low-pressure chamber 28, the metering cabinet cabinet 31, the 3rd that the first copper bar 21 that contains insulating sleeve, two identical current transformers 22,22a, second contain insulating sleeve contains copper bar 32, the second electrification displays 33 of insulating sleeve; The 3rd insulating sleeve 41 with full skirt; Current transformer 22, current transformer 22a, insulator 27 are installed on the left side of metering cabinet cabinet 31; Be installed on the right side of metering cabinet cabinet 31 with the insulator 24 of high-voltage sensor; Voltage transformer 26 is installed on the bottom of metering cabinet cabinet 31; The first two ends that contain the copper bar 21 of insulating sleeve connect the first insulating sleeve 2 summation current transformers 22 with full skirt, the end of incoming cables of current transformer 22a; Second contains the copper bar 23 of insulating sleeve with the leading-out terminal of current transformer 22 leading-out terminals, current transformer 22a, link together with the insulator 24 of high-voltage sensor and the 3rd end with the insulating sleeve 41 of full skirt; The 3rd copper bar 32 that contains insulating sleeve connects the leading-out terminal of voltage transformer 26 and voltage transformer 26a; High-tension fuse 25 connect voltage transformers 26, voltage transformer 26a with the 4th copper bar 23.
Further: described totally-enclosed all insulation ring net load switch unit 40 with the expansion of three-phase left side comprises: plug 47, second operation machine structure and interlock 50, the second cable vault 54, insulating sleeve 48, the second sealing gas tank 55 before the 5th copper bar 42, the second air gauge 43, three-stations load switch 44, the 3rd electrification display 45, the 6th copper bar 46, the second cable; The second air gauge 43, the 3rd band full skirt insulating sleeve 48 all are arranged on the second sealing gas tank 55 casings; The 5th copper bar 42, three-stations load switch 44, the 6th copper bar 46 are arranged on the second sealing gas tank 55 inside; The 5th copper bar 42 connects the 3rd with the insulating sleeve 41 of full skirt and an end of three-stations load switch 44; The 6th copper bar 46 connects the other end and the 3rd band full skirt insulating sleeve 48 of three-stations load switch 44; Second operation machine structure and interlock 50 are arranged on outside the second sealing gas tank 55, and the second operation machine structure axially is connected three-stations load switch 44 with interlock 50; The second cable vault 54 is arranged on the bottom with the totally-enclosed all insulation ring net load switch unit 40 of three-phase left side expansion; The 3rd insulating sleeve 48 with full skirt is arranged on the second sealing gas tank 55 cabinet exterior faces; Plug 47 is arranged on the 3rd the insulating sleeve 48 with full skirt before the second cable.
The utility model is compared with existing technology, and has following advantage: the advantages of metal enclosed ring main unit and totally-enclosed all-insulated looped network switch cabinet is in the same place, the height of combination sideboard is controlled at 1450mm, the severity control of metering cabinet is at 820mm; The insulating sleeve that simultaneously the metering cabinet inner copper line is covered, so that the whole volume that reduces combination sideboard, reinforced insulation is saved investment, reduction equipment makes up nimble, easy to maintenance to the requirement of operation ring mirror simultaneously.
Description of drawings
Fig. 1 is structural representation of the present utility model:
Fig. 2 is that Fig. 1 is along A to cutaway view;
Fig. 3 is that Fig. 1 is along B-B to cutaway view;
Fig. 4 is that Fig. 1 is along C to cutaway view.
Embodiment
With reference to figure 1, metering combination loop-network switch cabinet is divided into 3 casings: with the totally-enclosed all insulation looped network breaker unit 1 of three-phase right side expansion, metal enclosed metering ring main unit unit 20, with the totally-enclosed all insulation ring net load switch unit 40 of three-phase left side expansion.With mutually splicing with bolt between the totally-enclosed all insulation looped network breaker unit 1 of three-phase right side expansion and the metal enclosed metering ring main unit unit 20; Metal enclosed metering ring main unit unit 20 and the totally-enclosed all insulation ring net load switch unit 40 usefulness bolts of expanding with the three-phase left side splice mutually.
With reference to figure 1, the totally-enclosed all insulation looped network circuit breaker list 1 of Fig. 2 band three-phase right side expansion is specifically by forming such as lower member: the first insulating sleeve 2 with full skirt, the first copper bar 3, the first air gauge 4, the first vacuum circuit-breaker 5, the first electrification display 6, connect the tri-station isolating switch 7 of cutter the first band, the second copper bar 8, plug 9 before the first cable, the first operating mechanism and interlock 11, the first cable vault 14, the second insulating sleeve 15 with full skirt, the first sealing gas tank 17, the 3rd copper bar 18; The first insulating sleeve 2 with full skirt, the first air gauge 4, the second insulating sleeve 15 with full skirt all are arranged on the first sealing gas tank 17 casings; Tri-station isolating switch 7, the second copper bar 18 that the first copper bar 3, the first vacuum circuit-breaker 5, first connect cutter with being with are arranged on the first sealing gas tank 17 inside; The first copper bar 3 connects the first insulating sleeve 2 and the first vacuum circuit-breaker 5 with full skirt; The 3rd copper bar 18 connects the tri-station isolating switch 7 of cutter with connecting the first vacuum circuit-breaker 5 and the first band; The first operating mechanism and interlock 11 are arranged on outside the first sealing gas tank 17 casings, and the first operating mechanism axially is connected the tri-station isolating switch 7 that the first vacuum circuit-breaker 5 and first connects cutter with being with interlock 11; The first cable vault 14 is arranged on the bottom with the totally-enclosed all insulation looped network breaker unit 1 of three-phase right side expansion; The second insulating sleeve 15 with full skirt is arranged on the wall of the first sealing gas tank 17; Plug 9 is arranged on the second insulating sleeve 15 with full skirt before the first cable; Connect the tri-station isolating switch 7 and second of cutter with linking together with the 3rd copper bar 18 between the insulating sleeve 15 of full skirt the first band.
With reference to figure 1, Fig. 3, metal enclosed metering ring main unit unit 20 comprises following parts: copper bar 23, the insulator 24 with high-voltage sensor, high-tension fuse 25, voltage transformer 26, insulator 27, low-pressure chamber 28, the metering cabinet cabinet 31, the 3rd that the first copper bar 21 that contains insulating sleeve, two identical current transformers 22,22a, second contain insulating sleeve contains copper bar 32, the second electrification displays 33 of insulating sleeve; The 3rd insulating sleeve 41 with full skirt; Current transformer 22, current transformer 22a, insulator 27 are installed on the left side of metering cabinet cabinet 31; Be installed on the right side of metering cabinet cabinet 31 with the insulator 24 of high-voltage sensor; Voltage transformer 26 is installed on the bottom of metering cabinet cabinet 31; The first two ends that contain the copper bar 21 of insulating sleeve connect the first insulating sleeve 2 summation current transformers 22 with full skirt, the end of incoming cables of current transformer 22a; Second contains the copper bar 23 of insulating sleeve with the leading-out terminal of current transformer 22 leading-out terminals, current transformer 22a, link together with the insulator 24 of high-voltage sensor and the 3rd end with the insulating sleeve 41 of full skirt; The 3rd copper bar 32 that contains insulating sleeve connects the leading-out terminal of voltage transformer 26 and voltage transformer 26a; High-tension fuse 25 connect voltage transformers 26, voltage transformer 26a with the 4th copper bar 23.
With reference to figure 1, Fig. 4, with the totally-enclosed all insulation ring net load switch unit 40 of three-phase left side expansion specifically by forming such as lower member: plug 47, second operation machine structure and interlock 50, the second cable vault 54, insulating sleeve 48, second seal gas tank 55 before the 5th copper bar 42, the second air gauge 43, three-stations load switch 44, the 3rd electrification display 45, the 6th copper bar 46, the second cable; The second air gauge 43, the 3rd band full skirt insulating sleeve 48 all are arranged on the second sealing gas tank 55 casings; The 5th copper bar 42, three-stations load switch 44, the 6th copper bar 46 are arranged on the second sealing gas tank 55 inside; The 5th copper bar 42 connects the 3rd with the insulating sleeve 41 of full skirt and an end of three-stations load switch 44; The 6th copper bar 46 connects the other end and the 3rd band full skirt insulating sleeve 48 of three-stations load switch 44; Second operation machine structure and interlock 50 are arranged on outside the second sealing gas tank 55, and the second operation machine structure axially is connected three-stations load switch 44 with interlock 50; The second cable vault 54 is arranged on the bottom with the totally-enclosed all insulation ring net load switch unit 40 of three-phase left side expansion; The 3rd insulating sleeve 48 with full skirt is arranged on the second sealing gas tank 55 cabinet exterior faces; Plug 47 is arranged on the 3rd the insulating sleeve 48 with full skirt before the second cable.
The utility model has been announced one of them examples of implementation of realizing the present technique effect, and all corresponding modify or replacements to technology of doing according to the technical program all belong in the protection range of the present utility model.

Claims (4)

1. loop-network switch cabinet is made up in a metering, it is characterized in that, comprising: be arranged on the totally-enclosed all insulation looped network breaker unit (1) with three-phase right side expansion on the left side, the metal enclosed metering ring main unit unit (20) in the middle of being arranged on, be arranged on the totally-enclosed all insulation ring net load switch unit (40) with the expansion of three-phase left side on the right; Splice mutually with bolt totally-enclosed all insulation looped network breaker unit (1) and described metal enclosed metering ring main unit (20) junction of described three-phase right side expansion, described metal enclosed metering ring main unit (20) and describedly mutually splice with bolt with the junction, totally-enclosed all insulation ring net load switch unit (40) of expanding on the left of the three-phase.
2. the combination of the metering described in according to claim 1 loop-network switch cabinet, it is characterized in that: described totally-enclosed all insulation looped network breaker unit (1) with the expansion of three-phase right side comprising: the first insulating sleeve with full skirt (2), the first copper bar (3), the first air gauge (4), the first vacuum circuit-breaker (5), the first electrification display (6), connect the tri-station isolating switch (7) of cutter the first band, the second copper bar (8), plug (9) before the first cable, the first operating mechanism and interlock (11), the first cable vault (14), the second insulating sleeve with full skirt (15), the first sealing gas tank (17), the 3rd copper bar (18); The first insulating sleeve with full skirt (2), the first air gauge (4), the second insulating sleeve with full skirt (15) all are arranged on the first sealing gas tank (17) casing; Tri-station isolating switch (7), the second copper bar (18) that the first copper bar (3), the first vacuum circuit-breaker (5), first connect cutter with being with are arranged on the first sealing gas tank (17) inside; The first copper bar (3) connects the first insulating sleeve with full skirt (2) and the first vacuum circuit-breaker (5); The 3rd copper bar (18) connects the tri-station isolating switch (7) that the first vacuum circuit-breaker (5) and first connects cutter with being with; The first operating mechanism and interlock (11) are arranged on outside the first sealing gas tank (17) casing, and the first operating mechanism axially is connected the tri-station isolating switch (7) that the first vacuum circuit-breaker (5) and first connects cutter with being with interlock (11); The first cable vault (14) is arranged on the bottom with the totally-enclosed all insulation looped network breaker unit (1) of three-phase right side expansion; The second insulating sleeve with full skirt (15) is arranged on the wall of the first sealing gas tank (17); Plug (9) is arranged on the second insulating sleeve with full skirt (15) before the first cable; Connect between the tri-station isolating switch (7) of cutter and the second insulating sleeve with full skirt (15) the first band and link together with the 3rd copper bar (18).
3. the combination of the metering described in each loop-network switch cabinet according to claim 1 or in 2, it is characterized in that: described metal enclosed metering ring main unit unit (20) comprising: first contains the copper bar (21) of insulating sleeve, two identical current transformers (22,22a), second contains the copper bar (23) of insulating sleeve, insulator (24) with high-voltage sensor, high-tension fuse (25), voltage transformer (26), insulator (27), low-pressure chamber (28), metering cabinet cabinet (31), the 3rd contains the copper bar (32) of insulating sleeve, the second electrification display (33); The 3rd insulating sleeve with full skirt (41); Current transformer (22,22a), insulator (27) are installed on the left side of metering cabinet cabinet (31); Be installed on the right side of metering cabinet cabinet (31) with the insulator (24) of high-voltage sensor; Voltage transformer (26) is installed on the bottom of metering cabinet cabinet (31); The first two ends that contain the copper bar (21) of insulating sleeve connect the end of incoming cables of the first insulating sleeve with full skirt (2) summation current transformer (22,22a); The second copper bar (23) that contains insulating sleeve is with the leading-out terminal of current transformer (22,22a), link together with the insulator (24) of high-voltage sensor and an end of the 3rd insulating sleeve with full skirt (41); The 3rd copper bar (32) that contains insulating sleeve connects the leading-out terminal of two voltage transformers (26,26a); High-tension fuse (25) connect voltage transformer (26,26a) with the 4th copper bar (23).
4. arbitrary described metering combination loop-network switch cabinet according to claim 1 or in 3, it is characterized in that: described totally-enclosed all insulation ring net load switch unit (40) with the expansion of three-phase left side comprising: plug (47), second operation machine structure seal gas tank (55) with interlock (50), the second cable vault (54), insulating sleeve (48), second before the 5th copper bar (42), the second air gauge (43), three-stations load switch (44), the 3rd electrification display (45), the 6th copper bar (46), the second cable; The second air gauge (43), the 3rd band full skirt insulating sleeve (48) all are arranged on the second sealing gas tank (55) casing; The 5th copper bar (42), three-stations load switch (44), the 6th copper bar (46) are arranged on the second sealing gas tank (55) inside; The 5th copper bar (42) connects an end of the 3rd insulating sleeve with full skirt (41) and three-stations load switch (44); The 6th copper bar (46) connects the other end and the 3rd band full skirt insulating sleeve (48) of three-stations load switch (44); Second operation machine structure and interlock (50) are arranged on outside the second sealing gas tank (55), and the second operation machine structure axially is connected three-stations load switch (44) with interlock (50); The second cable vault (54) is arranged on the bottom with the totally-enclosed all insulation ring net load switch unit (40) of three-phase left side expansion; The 3rd insulating sleeve with full skirt (48) is arranged on the second sealing gas tank (55) cabinet exterior face; Plug (47) is arranged on the 3rd insulating sleeve with full skirt (48) before the second cable.
CN 201220460825 2012-09-12 2012-09-12 Metering combination ring network switch cabinet Expired - Fee Related CN202772488U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220460825 CN202772488U (en) 2012-09-12 2012-09-12 Metering combination ring network switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220460825 CN202772488U (en) 2012-09-12 2012-09-12 Metering combination ring network switch cabinet

Publications (1)

Publication Number Publication Date
CN202772488U true CN202772488U (en) 2013-03-06

Family

ID=47779031

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220460825 Expired - Fee Related CN202772488U (en) 2012-09-12 2012-09-12 Metering combination ring network switch cabinet

Country Status (1)

Country Link
CN (1) CN202772488U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105490199A (en) * 2016-01-21 2016-04-13 上海攀森电气设备有限公司 Drawer type air insulated ring network cabinet
CN105958364A (en) * 2016-05-18 2016-09-21 南通阿斯通电器制造有限公司 Novel inflation ring main unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105490199A (en) * 2016-01-21 2016-04-13 上海攀森电气设备有限公司 Drawer type air insulated ring network cabinet
CN105958364A (en) * 2016-05-18 2016-09-21 南通阿斯通电器制造有限公司 Novel inflation ring main unit

Similar Documents

Publication Publication Date Title
CN201490613U (en) Railway switching cabinet of two phases shared box
CN202772488U (en) Metering combination ring network switch cabinet
CN106486913B (en) A kind of environmental protection gas-insulated ring network cabinet
CN202872241U (en) Bus bar chamber with bus bar isolation function and bus bar measuring function
CN201541081U (en) Monopole railway cabinet type gas insulated switch device
CN101507069A (en) Connection module with an encapsulating housing
CN201466559U (en) Gas-insulated high-capacity combined switch device of metal case
CN102290730B (en) Solid insulation sealed component for high-voltage alternating-current vacuum switch cabinet
CN102938543A (en) Intelligent all-insulating full-closing inflatable ring main unit
CN203445506U (en) Connecting device of split cabinet-type gas insulated switchgear (GIS) and shared box-type gas insulated switchgear (GIS)
CN202856229U (en) Solid insulating ring main unit
CN101752803A (en) Insulating sleeve for incoming lines and outgoing lines of high-voltage switch equipment
CN202616648U (en) Metalclad withdraw switchgear anti-resonance voltage mutual inductor trolley
CN202034299U (en) Composite post insulator with vacuum arc extinguish chamber for high-voltage equipment
CN201781218U (en) Load switch and fuse combined cabinet
CN204905168U (en) Be used for superconductive current -limiting formula direct current breaker
CN201674149U (en) Inflatable ring network switch cabinet
CN203119378U (en) Medium-voltage insulating metal enclosed switch device
CN201829854U (en) Middle cabinet trolley of anti-resonance potential transformer
CN1953285A (en) Preframed substation of modular structure and its manufacture method
CN203813217U (en) Improved PT1 type power distribution station
CN203813221U (en) PT1 type power distribution station
CN203339559U (en) Multifunctional fixing sealing assembly with lower-grounding
CN211743874U (en) Novel bus isolation air chamber
CN102738717A (en) Configuration structure of 110KV double-bus PASS distribution device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130306

Termination date: 20190912