CN103872592B - Isolated bus and high-tension switch gear - Google Patents
Isolated bus and high-tension switch gear Download PDFInfo
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- CN103872592B CN103872592B CN201210545727.9A CN201210545727A CN103872592B CN 103872592 B CN103872592 B CN 103872592B CN 201210545727 A CN201210545727 A CN 201210545727A CN 103872592 B CN103872592 B CN 103872592B
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- 238000012423 maintenance Methods 0.000 claims abstract description 129
- 238000007689 inspection Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 3
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- 238000009413 insulation Methods 0.000 description 6
- 230000009897 systematic effect Effects 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
The invention discloses a kind of isolated bus and high-tension switch gear. Wherein, this isolated bus includes: multiple terminals, wherein, terminals include: the first work terminals, the second work terminals, the 3rd work terminals, the first maintenance terminals, the first ground connection terminals, the second maintenance terminals, the second ground connection terminals, the 3rd maintenance terminals and the 3rd ground connection terminals, wherein, first work terminals, for receiving the electric energy of the first power equipment; Second work terminals, are used for exporting electric energy to the second power equipment; 3rd work terminals, are used for exporting electric energy to transformator; First maintenance terminals, for overhauling the line status of the first maintenance cable; Second maintenance terminals, for overhauling the line status of the second maintenance cable; 3rd maintenance terminals, for overhauling the line status of the 3rd maintenance cable. Achieving isolated bus simple in construction by the application, annexation is simple, thus the effect that case variable volume is little, floor space is little.
Description
Technical field
The present invention relates to field of electrical equipment, in particular to a kind of isolated bus and high-tension switch gear.
Background technology
Now, primary and secondary main line in urban district and in new city key area the construction of shopping mall, leisure center and fine work block close to international level, but there is very serious road occupying problem in the part power distribution network of these Recreation areas, especially prepackage type case change (hereinafter referred to as " case change ") relatively, many casees become and not only tie up gold ground, downtown area, and straggly unordered spoil the fun. May is that the reason of landscaping, the change of quotidian case seems somewhat inferior in new reference frame, further, in the process that communication, 10 kilovolts and following electric power overhead cable are renovated with carrying out, owing to case variable volume is excessive and bring very big difficulty to construction. Becoming example with the case of a 250kVA capacity, high-pressure section is generally adopted SF6The looped network switch apparatus of insulation realizes 10kV part one road inlet wire, a road outlet, the road function with tranformer protection; what in similar ring main unit product, volume was minimum is 975mm(width) �� 751mm(is deep) �� 1361mm(is high); its electrical systematic drawing is as shown in Figure 1: low-pressure section mainly adopts molded-case switch or bar switch, and the overall dimensions that whole case becomes is 2850mm(width) �� 1300mm(is deep) �� 1800mm(is high).
For in prior art, owing to case uprises, the structure of laminate section is complicated, annexation complicated, causes the problem that case variable volume is relatively big, floor space is big, not yet proposes effective solution at present.
Summary of the invention
The structure complexity of laminate section, annexation complexity is uprised for correlation technique case, cause the problem that case variable volume is relatively big, floor space is big, at present effective solution is not yet proposed, for this, present invention is primarily targeted at a kind of isolated bus of offer and high-tension switch gear, to solve the problems referred to above.
To achieve these goals, according to an aspect of the present invention, provide a kind of isolated bus, this isolated bus includes: multiple terminals, wherein, terminals include: the first work terminals, the second work terminals, the 3rd work terminals, the first maintenance terminals, the first ground connection terminals, the second maintenance terminals, the second ground connection terminals, the 3rd maintenance terminals and the 3rd ground connection terminals, wherein, first work terminals, as the input interface of isolated bus structure, for receiving the electric energy of the first power equipment; Second work terminals, by being built in wire in isolated bus and the first work terminals connection, are used for exporting electric energy to the second power equipment; 3rd work terminals, by being built in wire in isolated bus and the first work terminals connection, are used for exporting electric energy to transformator; First maintenance terminals, connect with the first ground connection terminals by being built in wire in isolated bus, are used for overhauling the line status of the first maintenance cable; Second maintenance terminals, connect with the second ground connection terminals by being built in wire in isolated bus, are used for overhauling the line status of the second maintenance cable; 3rd maintenance terminals, connect with the 3rd ground connection terminals by being built in wire in isolated bus, for overhauling the 3rd line status overhauling cable.
Further, the first work terminals, connected by inlet wire cable and the first power equipment, for importing the electric current flowed out from the first power equipment; Second work terminals, are connected by the first outlet cable and the second power equipment, and the electric current imported for the terminals that work first exports in the second power equipment; 3rd work terminals, are connected with transformator by the second outlet cable, and the electric current imported for the terminals that work first exports to transformator.
Further, the first maintenance terminals and the first maintenance cable connect, and the first ground connection terminals and the first earth cable connect, and the first inspection earthing terminals are for overhauling the line status of the first maintenance cable; Second maintenance terminals and the second maintenance cable connect, and the second ground connection terminals and the second earth cable connect, and the second maintenance terminals are for overhauling the line status of the second maintenance cable; 3rd maintenance terminals and the 3rd maintenance cable connect, and the 3rd ground connection terminals and the 3rd earth cable connect, and the 3rd maintenance terminals are for overhauling the line status of the 3rd maintenance cable.
Further, the first work terminals and the first ground connection terminals are arranged in a mutually vertical manner on the longitudinal direction of isolated bus; Second work terminals and the second ground connection terminals are arranged in a mutually vertical manner on the longitudinal direction of isolated bus.
Further, first work terminals include the first cylindricality bus, second work terminals include the second cylindricality bus, 3rd work terminals include the 3rd cylindricality bus, first maintenance terminals include the 4th cylindricality bus, first ground connection terminals include the 5th cylindricality bus, second maintenance terminals include the 6th cylindricality bus, second ground connection terminals include the 7th cylindricality bus, 3rd maintenance terminals include the 8th cylindricality bus, 3rd ground connection terminals include the 9th cylindricality bus, wherein, first cylindricality bus is passed through the first main bus-bar and the connection of the second cylindricality bus that are built in isolated bus, to set up the annexation between the first work terminals and the second work terminals,First cylindricality bus is passed through the second main bus-bar and the connection of the 3rd cylindricality bus that are built in isolated bus, to set up the annexation between the first work terminals and the 3rd work terminals; 4th cylindricality bus is passed through the first earth bus and the connection of the 5th cylindricality bus that are built in isolated bus, to set up the annexation between inlet wire cable and the first ground connection terminals; 6th cylindricality bus is passed through the second earth bus and the connection of the 7th cylindricality bus that are built in isolated bus, to set up the annexation between the first outlet cable and the second ground connection terminals; 8th cylindricality bus is passed through the 3rd earth bus and the connection of the 9th cylindricality bus that are built in isolated bus, to set up the annexation between the second outlet cable and the 3rd ground connection terminals.
Further, the first end of the second main bus-bar and the second main bus-bar connect, and the second end of the second main bus-bar and the 3rd cylindricality bus connect.
Further, each terminals include respectively: pluggable cable head, and wherein, the pluggable cable head of the first work terminals is connected with inlet wire cable; Pluggable cable head and first outlet cable of the second work terminals connect; Pluggable cable head and second outlet cable of the 3rd work terminals connect; Pluggable cable head and the first maintenance cable of the first maintenance terminals connect; Pluggable cable head and the second maintenance cable of the second maintenance terminals connect; Pluggable cable head and the 3rd maintenance cable of the 3rd maintenance terminals connect; The pluggable cable head of the first ground connection terminals and the first earth cable connect; The pluggable cable head of the second ground connection terminals and the second earth cable connect; The pluggable cable head of the 3rd ground connection terminals and the 3rd earth cable connect.
Further, fault detector and potential indicator are installed respectively on inlet wire cable/the first outlet cable, the second outlet cable is installed potential indicator.
Further, the pluggable cable head of the 3rd work terminals installs fuse.
To achieve these goals, according to an aspect of the present invention, provide a kind of high-tension switch gear, this high-tension switch gear includes isolated bus, isolated bus is three, wherein, three isolated bus respectively the first isolated buses, the second isolated bus and the 3rd isolated bus, wherein, the input interface of the first isolated bus and the A phase output interface of the first power equipment connect, first output interface of the first isolated bus and the A phase input interface of the second power equipment connect, and the second output interface of the first isolated bus is connected with the A phase input interface of transformator; The input interface of the second isolated bus and the B phase output interface of the first power equipment connect, first output interface of the second isolated bus and the B phase input interface of the second power equipment connect, and the second output interface of the second isolated bus is connected with the B phase input interface of transformator; The input interface of the 3rd isolated bus and the C phase output interface of the first power equipment connect, first output interface of the 3rd isolated bus and the C phase input interface of the second power equipment connect, and the second output interface of the 3rd isolated bus is connected with the C phase input interface of transformator.
Made the simple in construction of isolated bus by multiple terminals by the isolated bus of the present invention, use simple, solve prior art raising middle flask and uprise the structure complexity of laminate section, annexation complexity, cause the problem that case variable volume is relatively big, floor space is big, achieve isolated bus simple in construction, annexation is simple, thus when the isolated bus of the application being applied in case change, case variable volume is little, floor space is little, and when the high-pressure section work that case becomes, will not interfere between cable.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention. In the accompanying drawings:
Fig. 1 is the electrical systematic drawing of the high-pressure section that the case according to prior art becomes;
Fig. 2 a is the perspective view of the isolated bus according to the embodiment of the present application;
Fig. 2 b is the rearview of the isolated bus according to the embodiment of the present application;
Fig. 2 c is the sectional view of the C-C according to Fig. 2 a illustrated embodiment;
Fig. 2 d is the sectional view of the B-B according to Fig. 2 a illustrated embodiment;
Fig. 2 e is the sectional view of the A-A according to Fig. 2 b illustrated embodiment;
Fig. 3 is the electrical systematic drawing of the high-tension switch gear according to the embodiment of the present application;
Fig. 4 a is the front view of the high-tension switch gear running status according to the embodiment of the present application;
Fig. 4 b is the top view of the high-tension switch gear running status according to Fig. 4 a illustrated embodiment; And
Fig. 4 c is the side view of the high-tension switch gear running status according to Fig. 4 a illustrated embodiment.
Detailed description of the invention
It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined. Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Fig. 2 a to 2e, this isolated bus includes: multiple terminals, wherein, terminals include: the first work terminals, the second work terminals, the 3rd work terminals, the first maintenance terminals, the first ground connection terminals, the second maintenance terminals, the second ground connection terminals, the 3rd maintenance terminals and the 3rd ground connection terminals, wherein, first work terminals, as the input interface of isolated bus structure, for receiving the electric energy of the first power equipment; Second makes terminals, connects by being built in wire in isolated bus and the first work terminals, is used for exporting electric energy to the second power equipment; 3rd work terminals, by being built in wire in isolated bus and the first work terminals connection, are used for exporting electric energy to transformator; First maintenance terminals, connect with the first ground connection terminals by being built in wire in isolated bus, are used for overhauling the line status of the first maintenance cable; Second maintenance terminals, connect with the second ground connection terminals by being built in wire in isolated bus, are used for overhauling the line status of the second maintenance cable; 3rd maintenance terminals, connect with the 3rd ground connection terminals by being built in wire in isolated bus, for overhauling the 3rd line status overhauling cable.
Adopt the isolated bus of the application, by arranging multiple terminals on isolated bus, wherein, terminals include: the first work terminals, the second work terminals, the 3rd work terminals, the first maintenance terminals, the first ground connection terminals, the second maintenance terminals, the second ground connection terminals, the 3rd maintenance terminals and the 3rd ground connection terminals. Wherein, the first work terminals are for receiving the electric energy of the first power equipment; Second work terminals, by being built in wire in isolated bus and the first work terminals connection, are used for exporting electric energy to the second power equipment; 3rd work terminals, by being built in wire in isolated bus and the first work terminals connection, are used for exporting electric energy to transformator; First maintenance terminals, connect with the first ground connection terminals by being built in wire in isolated bus, are used for overhauling the line status of the first maintenance cable;Second maintenance terminals, connect with the second ground connection terminals by being built in wire in isolated bus, are used for overhauling the line status of the second maintenance cable, 3rd maintenance terminals, connect with the 3rd ground connection terminals by being built in wire in isolated bus, for overhauling the 3rd line status overhauling cable. the various operating modes being likely to occur when having been taken into full account work and maintenance by the isolated bus of the application, the simple in construction of isolated bus is made by multiple terminals, use simple, solve prior art raising middle flask and uprise the structure complexity of laminate section, annexation is complicated, cause that case variable volume is bigger, the problem that floor space is big, achieve isolated bus simple in construction, annexation is simple, thus when the isolated bus of the application being applied in case change, case variable volume is little, floor space is little, and when the high-pressure section work that case becomes, will not interfere between cable.
Wherein, the isolated bus in above-described embodiment can be the isolated bus row of epoxy casting 10kV.
In above-described embodiment of the application, the first work terminals, connected by inlet wire cable and the first power equipment, for importing the electric current flowed out from the first power equipment; Second work terminals, are connected by the first outlet cable and the second power equipment, and the electric current imported for the terminals that work first exports in the second power equipment; 3rd work terminals, are connected with transformator by the second outlet cable, and the electric current imported for the terminals that work first exports to transformator.
Specifically, the first work terminals, as the input interface of isolated bus structure, for receiving the electric energy of the first power equipment; Second work terminals, connect with the first work terminals by being built in wire in isolated bus, and second works the terminals the first output interface as isolated bus structure, are used for exporting electric energy to the second power equipment; 3rd work terminals, connect with the first work terminals by being built in wire in isolated bus, and the 3rd works the terminals the second output interface as isolated bus structure, are used for exporting electric energy to transformator. Wherein, the material of the wire in above-described embodiment can be copper, aluminum matter, copper cover aluminum matter.
Above-described embodiment according to the application, the first maintenance terminals and the first maintenance cable connect, and the first ground connection terminals and the first earth cable connect, and the first maintenance terminals are for overhauling the line status of the first maintenance cable; Second maintenance terminals and the second maintenance cable connect, and the second ground connection terminals and the second earth cable connect, and the second maintenance terminals are for overhauling the line status of the second maintenance cable; 3rd maintenance terminals and the 3rd maintenance cable connect, and the 3rd ground connection terminals and the 3rd earth cable connect, and the 3rd maintenance terminals are for overhauling the line status of the 3rd maintenance cable. Wherein, the line status described in above-described embodiment can be whether each cable can the state of normal operation.
Wherein, the first maintenance cable in this embodiment is same cable with above-mentioned inlet wire cable, and the second maintenance cable is same cable with the first above-mentioned outlet cable, and the 3rd maintenance cable is same cable with the second above-mentioned outlet cable.
Specifically, the first maintenance terminals, is connected with the first ground connection terminals, whether overhauling interface as the first of isolated bus, to be used for overhauling the first maintenance cable normal;Second maintenance terminals, are connected with the second ground connection terminals, and whether overhauling interface as the second of isolated bus, to be used for overhauling the second maintenance cable normal; 3rd maintenance terminals, are connected with the 3rd ground connection terminals, and whether being used for overhauling the 3rd as the 3rd maintenance interface of isolated bus, to overhaul cable normal.
Above-described embodiment according to the application, each terminals include respectively: pluggable cable head, and wherein, the pluggable cable head of the first work terminals is connected with inlet wire cable; Pluggable cable head and first outlet cable of the second work terminals connect; Pluggable cable head and second outlet cable of the 3rd work terminals connect; Pluggable cable head and the first maintenance cable of the first maintenance terminals connect; Pluggable cable head and the second maintenance cable of the second maintenance terminals connect; Pluggable cable head and the 3rd maintenance cable of the 3rd maintenance terminals connect; The pluggable cable head of the first ground connection terminals and the first earth cable connect; The pluggable cable head of the second ground connection terminals and the second earth cable connect; The pluggable cable head of the 3rd ground connection terminals and the 3rd earth cable connect. Wherein, the pluggable cable head of the 3rd work terminals installs fuse.
Wherein, each terminals being respectively arranged with insulation protection cap, insulation protection cap is arranged on the socket of the terminals matched with pluggable cable head.
Above-described embodiment according to the application, the first work terminals and the first ground connection terminals are arranged in a mutually vertical manner on the longitudinal direction of isolated bus; Second work terminals and the second ground connection terminals are arranged in a mutually vertical manner on the longitudinal direction of isolated bus.
Specifically, the above-mentioned setting of isolated bus so that after service work terminates, if not extracting earth lead, just cannot make pluggable cable head be installed to operating position, it is impossible to normal operation, efficiently avoid the possibility of personnel's maloperation. The various probabilities that the design of above-mentioned operating position, maintenance position and earthing position has occurred when having taken into full account work and maintenance, it is ensured that during high-pressure section work, will not interfere between cable.
As shown in Fig. 2 a to 2e, first work terminals include the first cylindricality bus, second work terminals include the second cylindricality bus, 3rd work terminals include the 3rd cylindricality bus, first maintenance terminals include the 4th cylindricality bus, first ground connection terminals include the 5th cylindricality bus, second maintenance terminals include the 6th cylindricality bus, second ground connection terminals include the 7th cylindricality bus, 3rd maintenance terminals include the 8th cylindricality bus, 3rd ground connection terminals include the 9th cylindricality bus, wherein, first cylindricality bus is passed through the first main bus-bar and the connection of the second cylindricality bus that are built in isolated bus, to set up the annexation between the first work terminals and the second work terminals, first cylindricality bus is passed through the second main bus-bar and the connection of the 3rd cylindricality bus that are built in isolated bus, to set up the annexation between the first work terminals and the 3rd work terminals, 4th cylindricality bus is passed through the first earth bus and the connection of the 5th cylindricality bus that are built in isolated bus, to set up the annexation between the first maintenance terminals and the first ground connection terminals, 6th cylindricality bus is passed through the second earth bus and the connection of the 7th cylindricality bus that are built in isolated bus, to set up the annexation between the second maintenance terminals and the second ground connection terminals, 8th cylindricality bus is passed through the 3rd earth bus and the connection of the 9th cylindricality bus that are built in isolated bus, to set up the annexation between the 3rd maintenance terminals and the 3rd ground connection terminals.
It addition, as shown in Figure 2 e, each terminals are connected with case change respectively through securing member 10.
Wherein, illustrating in Fig. 2 a to 2e: outlet to the earth bus 1 of Repair of Transformer, main bus-bar 2, the earth bus 3 of line maintenance, main bus-bar 4, cylindricality bus 5, cylindricality bus 6, cylindricality bus 7, M10 �� 30 hexagon socket cap head screw 8, dowel screw 9. Fig. 2 e and Fig. 2 b then illustrates the securing member 10 connecting isolated bus to power equipment.
It addition, as shown in Figure 2 a, the first end of the second main bus-bar and the first bus connect, and the second end and the 3rd cylindricality bus connect.
Specifically, each terminals are arranged in the main body of isolated bus respectively through connector.
It addition, install fault detector and potential indicator respectively on inlet wire cable/the first outlet cable, the second outlet cable is installed potential indicator, and each terminals of isolated bus all can be provided with status indicator.
Fig. 3 illustrates that case uprises the electrical systematic drawing of laminate section, and Fig. 4 a to 4c illustrates the connection diagram during running status of three-phase.
As shown in Fig. 3, Fig. 4 a, Fig. 4 b, Fig. 4 c, this high-tension switch gear includes isolated bus, isolated bus is three, wherein, three isolated bus respectively the first isolated buses, the second isolated bus and the 3rd isolated bus, wherein, the input interface of the first isolated bus and the A phase output interface of the first power equipment connect, first output interface of the first isolated bus and the A phase input interface of the second power equipment connect, and the second output interface of the first isolated bus is connected with the A phase input interface of transformator; The input interface of the second isolated bus and the B phase output interface of the first power equipment connect, first output interface of the second isolated bus and the B phase input interface of the second power equipment connect, and the second output interface of the second isolated bus is connected with the B phase input interface of transformator; The input interface of the 3rd isolated bus and the C phase output interface of the first power equipment connect, first output interface of the 3rd isolated bus and the C phase input interface of the second power equipment connect, and the second output interface of the 3rd isolated bus is connected with the C phase input interface of transformator.
Adopt the high-tension switch gear of the application, by on the isolated bus that the high-tension switch gear in becoming at case adopts, multiple terminals are set, wherein, terminals include: the first work terminals, the second work terminals, the 3rd work terminals, the first maintenance terminals, the first ground connection terminals, the second maintenance terminals, the second ground connection terminals, the 3rd maintenance terminals and the 3rd ground connection terminals. wherein, the first work terminals are for receiving the electric energy of the first power equipment, second work terminals, by being built in wire in isolated bus and the first work terminals connection, are used for exporting electric energy to the second power equipment, 3rd work terminals, by being built in wire in isolated bus and the first work terminals connection, are used for exporting electric energy to transformator, first maintenance terminals, connect with the first ground connection terminals by being built in wire in isolated bus, are used for overhauling the duty of the first work terminals, second maintenance terminals, connect with the second ground connection terminals by being built in wire in isolated bus, are used for overhauling the duty of the second work terminals, 3rd maintenance terminals, connect with the 3rd ground connection terminals by being built in wire in isolated bus, for overhauling the 3rd duty working terminals. the various operating modes being likely to occur when having been taken into full account work and maintenance by the isolated bus of the application, the simple in construction of isolated bus is made by multiple terminals, use simple, solve prior art raising middle flask and uprise the structure complexity of laminate section, annexation is complicated, cause that case variable volume is bigger, the problem that floor space is big, achieve isolated bus simple in construction, annexation is simple, thus when the isolated bus of the application being applied in case change, case variable volume is little, floor space is little, and when the high-pressure section work that case becomes, will not interfere between cable.
Wherein, illustrating in Fig. 4 a to 4c: band fuse unit plug-in elbow-type end 11, fault detector 12, plug-in elbow-type end 13, status indicator 14, insulation protection cap 15, case becomes with epoxy casting isolated bus row 16, electrification display 17. Wherein, status indicator 14 merely illustrates the status indicator of the terminals that work first, and in actual applications, each terminals all can have status indicator.
Specifically, the isolated bus of the application being applied to case and becomes, there is two states in the high-pressure section that case becomes, i.e. normal operating condition and inspecting state. as shown in fig. 4 a, when properly functioning, inlet wire cable is connected on isolated bus (i.e. epoxy casting 10kV isolated bus row) by plug-in elbow-type end, go out line current to be derived by the connected mode of plug-in elbow-type end and the first outlet cable, connecting with other power equipments on looped network, it is then realized by the connected mode of the plug-in elbow-type end with fuse and the second outlet cable that case becomes the second work terminals (i.e. the outlet of transformer side) of upper isolated bus. when inspecting state, maintenance for the terminals (i.e. inlet wire) that work to first: with insulating bar respectively by A, B, on C three-phase, the insulation protection cap on the first maintenance terminals pulls, then with insulating bar respectively by A, B, on C three-phase, the plug-in elbow-type end on the first work terminals pulls and is inserted on corresponding first maintenance terminals, re-use insulating bar respectively by A, B, after on C three-phase, the insulation protection cap on the first ground connection terminals pulls, A is checked respectively with electroscope, B, on C three-phase, whether the first ground connection terminals are charged, if it is not charged, then respectively earth cable head is inserted on the first ground connection terminals with insulating bar, earth cable head now has passed through cable and is connected with the case main earth bus of change, therefore when circuit is carried out inspection operation, maintenance cable ground connection all well, safety is higher. during for carrying out line maintenance by the second/the 3rd maintenance position in the embodiment of the present application, inspection operation is identical with the operation order undertaken during line maintenance by the first maintenance position.
Specifically, the use environmental condition of the high-tension switch gear of the application is as follows:
Height above sea level :��2000m; Ambient temperature: 40 DEG C��+45 DEG C; The highest average temperature of the whole year 20 DEG C; The highest daily mean temperature 35 DEG C; Relative humidity :��95%(25 DEG C); Shock resistance: ground horizontal acceleration 0.3g; Ground normal acceleration 0.15g; Three sine waves of effect lasts simultaneously; Safety coefficient: 1.67; Cable accessory Long-term service temperature, overload temperature and short circuit temperature meet and its accessory cables requirement.
Technical parameter refers to table 1.
Table 1
In from the description above, can be seen that, present invention achieves following technique effect: the various operating modes being likely to occur when having been taken into full account work and maintenance by the isolated bus of the application, the simple in construction of isolated bus is made by multiple terminals, use simple, solve prior art raising middle flask and uprise the structure complexity of laminate section, annexation is complicated, cause that case variable volume is bigger, the problem that floor space is big, achieve isolated bus simple in construction, annexation is simple, thus when the isolated bus of the application being applied in case change, case variable volume is little, floor space is little, and when the high-pressure section work that case becomes, will not interfere between cable.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. an isolated bus, it is characterized in that, including multiple terminals, wherein, described terminals include: the first work terminals, the second work terminals, the 3rd work terminals, the first maintenance terminals, the first ground connection terminals, the second maintenance terminals, the second ground connection terminals, the 3rd maintenance terminals and the 3rd ground connection terminals, wherein
Described first work terminals, as the input interface of described isolated bus structure, for receiving the electric energy of the first power equipment;
Described second work terminals, are connected with described first work terminals by being built in wire in described isolated bus, are used for exporting described electric energy to the second power equipment;
Described 3rd work terminals, are connected with described first work terminals by being built in wire in isolated bus, are used for exporting described electric energy to transformator;
Described first maintenance terminals, are connected with described first ground connection terminals by the wire being built in described isolated bus, for overhauling the line status of the first maintenance cable;
Described second maintenance terminals, are connected with described second ground connection terminals by the wire being built in described isolated bus, for overhauling the line status of the second maintenance cable;
Described 3rd maintenance terminals, are connected with described 3rd ground connection terminals by the wire being built in described isolated bus, for overhauling the line status of the 3rd maintenance cable.
2. isolated bus according to claim 1, it is characterised in that
Described first work terminals, are connected by inlet wire cable and the first power equipment, for importing the electric current flowed out from described first power equipment;
Described second work terminals, are connected with described second power equipment by the first outlet cable, and the electric current imported for the terminals that work described first exports in described second power equipment;
Described 3rd work terminals, are connected with described transformator by the second outlet cable, and the electric current imported for the terminals that work described first exports to described transformator.
3. isolated bus according to claim 1, it is characterised in that
Described first maintenance terminals overhaul cable with described first and are connected, and described first ground connection terminals and the first earth cable connect, and described first inspection earthing terminals are for overhauling the line status of described first maintenance cable;
Described second maintenance terminals overhaul cable with described second and are connected, and described second ground connection terminals and the second earth cable connect, and described second maintenance terminals are for overhauling the line status of described second maintenance cable;
Described 3rd maintenance terminals overhaul cable with the described 3rd and are connected, and described 3rd ground connection terminals and the 3rd earth cable connect, and described 3rd maintenance terminals are for overhauling the line status of described 3rd maintenance cable.
4. isolated bus according to claim 2, it is characterised in that
Described first work terminals are arranged in a mutually vertical manner on the longitudinal direction of described isolated bus with described first ground connection terminals;
Described second work terminals are arranged in a mutually vertical manner on the longitudinal direction of described isolated bus with described second ground connection terminals.
5. isolated bus according to claim 4, it is characterized in that, described first work terminals include the first cylindricality bus, described second work terminals include the second cylindricality bus, described 3rd work terminals include the 3rd cylindricality bus, described first maintenance terminals include the 4th cylindricality bus, described first ground connection terminals include the 5th cylindricality bus, described second maintenance terminals include the 6th cylindricality bus, described second ground connection terminals include the 7th cylindricality bus, described 3rd maintenance terminals include the 8th cylindricality bus, described 3rd ground connection terminals include the 9th cylindricality bus, wherein,
Described first cylindricality bus is connected with described second cylindricality bus by the first main bus-bar being built in described isolated bus, to set up the annexation between described first work terminals and described second work terminals;
Described first cylindricality bus is connected with described 3rd cylindricality bus by the second main bus-bar being built in described isolated bus, to set up the annexation between described first work terminals and described 3rd work terminals;
Described 4th cylindricality bus is connected with described 5th cylindricality bus by the first earth bus being built in described isolated bus, to set up the annexation between described inlet wire cable and described first ground connection terminals;
Described 6th cylindricality bus is connected with described 7th cylindricality bus by the second earth bus being built in described isolated bus, to set up the annexation between described first outlet cable and described second ground connection terminals;
Described 8th cylindricality bus is connected with described 9th cylindricality bus by the 3rd earth bus being built in described isolated bus, to set up the annexation between described second outlet cable and described 3rd ground connection terminals.
6. isolated bus according to claim 5, it is characterised in that the first end of described second main bus-bar is connected with described second main bus-bar, the second end of described second main bus-bar is connected with described 3rd cylindricality bus.
7. isolated bus according to claim 1, it is characterised in that each described terminals include respectively: pluggable cable head, wherein,
The pluggable cable head of described first work terminals is connected with inlet wire cable;
Pluggable cable head and first outlet cable of described second work terminals connect;
Pluggable cable head and second outlet cable of described 3rd work terminals connect;
The pluggable cable head of described first maintenance terminals overhauls cable with described first and is connected;
The pluggable cable head of described second maintenance terminals overhauls cable with described second and is connected;
The pluggable cable head of described 3rd maintenance terminals overhauls cable with the described 3rd and is connected;
The pluggable cable head of the first ground connection terminals and the first earth cable connect;
The pluggable cable head of the second ground connection terminals and the second earth cable connect;
The pluggable cable head of the 3rd ground connection terminals and the 3rd earth cable connect.
8. isolated bus according to claim 7, it is characterised in that install fault detector and potential indicator respectively on described inlet wire cable/the first outlet cable, install potential indicator on described second outlet cable.
9. isolated bus according to claim 7, it is characterised in that install fuse on the pluggable cable head of described 3rd work terminals.
10. a high-tension switch gear, it is characterised in that include the isolated bus described in any one in claim 1 to 9, described isolated bus is three, wherein, and three described isolated bus respectively the first isolated buses, the second isolated bus and the 3rd isolated bus, wherein
The input interface of described first isolated bus and the A phase output interface of the first power equipment connect, first output interface of described first isolated bus is connected with the A phase input interface of described second power equipment, and the second output interface of described first isolated bus is connected with the A phase input interface of described transformator;
The input interface of described second isolated bus and the B phase output interface of the first power equipment connect, first output interface of described second isolated bus is connected with the B phase input interface of described second power equipment, and the second output interface of described second isolated bus is connected with the B phase input interface of described transformator;
The input interface of described 3rd isolated bus and the C phase output interface of the first power equipment connect, first output interface of described 3rd isolated bus is connected with the C phase input interface of described second power equipment, and the second output interface of described 3rd isolated bus is connected with the C phase input interface of described transformator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210545727.9A CN103872592B (en) | 2012-12-14 | 2012-12-14 | Isolated bus and high-tension switch gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210545727.9A CN103872592B (en) | 2012-12-14 | 2012-12-14 | Isolated bus and high-tension switch gear |
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| Publication Number | Publication Date |
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| CN103872592A CN103872592A (en) | 2014-06-18 |
| CN103872592B true CN103872592B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210545727.9A Active CN103872592B (en) | 2012-12-14 | 2012-12-14 | Isolated bus and high-tension switch gear |
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| CN200990485Y (en) * | 2006-10-30 | 2007-12-12 | 泰豪科技股份有限公司 | Non-switch cable distributing box with grounding |
| CN101217230A (en) * | 2008-01-14 | 2008-07-09 | 冯骏明 | A fully buried high voltage cable branch box |
| JP2009189076A (en) * | 2008-02-01 | 2009-08-20 | Kanto Denki Hoan Kyokai | Cubicle type high voltage power receiving facility, and power supply facility at inspection |
| CN201438626U (en) * | 2009-06-24 | 2010-04-14 | 浙江雷得隆电气有限公司 | High-voltage cable branching box |
| CN202997326U (en) * | 2012-12-14 | 2013-06-12 | 国家电网公司 | Insulated bus and high-voltage switch device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200990485Y (en) * | 2006-10-30 | 2007-12-12 | 泰豪科技股份有限公司 | Non-switch cable distributing box with grounding |
| CN101217230A (en) * | 2008-01-14 | 2008-07-09 | 冯骏明 | A fully buried high voltage cable branch box |
| JP2009189076A (en) * | 2008-02-01 | 2009-08-20 | Kanto Denki Hoan Kyokai | Cubicle type high voltage power receiving facility, and power supply facility at inspection |
| CN201438626U (en) * | 2009-06-24 | 2010-04-14 | 浙江雷得隆电气有限公司 | High-voltage cable branching box |
| CN202997326U (en) * | 2012-12-14 | 2013-06-12 | 国家电网公司 | Insulated bus and high-voltage switch device |
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|---|---|
| CN103872592A (en) | 2014-06-18 |
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