CN205693234U - A kind of 252kV Cubicle Gas-Insulated Switchgear - Google Patents
A kind of 252kV Cubicle Gas-Insulated Switchgear Download PDFInfo
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- CN205693234U CN205693234U CN201620459096.2U CN201620459096U CN205693234U CN 205693234 U CN205693234 U CN 205693234U CN 201620459096 U CN201620459096 U CN 201620459096U CN 205693234 U CN205693234 U CN 205693234U
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- bus
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- chopper
- current transformer
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Abstract
This utility model relates to substation equipment field, a kind of 252kV Cubicle Gas-Insulated Switchgear.Including base, convergence control cabinet, main bus-bar, chopper, main bus-bar disconnecting switch, it is characterized in that: the right side above described base is provided with main bus-bar, being positioned at the base on the left of main bus-bar and be arranged over chopper, described main bus-bar is all vertically disposed on base with chopper and is parallel to each other, and the left side of main bus-bar is provided with main bus-bar disconnecting switch, main bus-bar connects current transformer by main bus-bar disconnecting switch, and the left side of described current transformer connects chopper.Compared with the existing technology, the impurity that operation produces will not fall directly on insulator this utility model, significantly improves the reliability of product longtime running；First bus isolating switch and the second bus isolating switch are parallel-connection structure with chopper, it is ensured that can not have a power failure switchover operation bus, and interval height does not changes with current transformer, it is ensured that can be with whole Transporting.
Description
Technical field
This utility model relates to substation equipment field, a kind of 252kV gas-insulated metal enclosed switchgear
Equipment.
Background technology
Main flow 252kV GIS double-bus line interval arranges that principal mode is that chopper hangs down with main bus-bar the most both at home and abroad
Straight layout.Product is broadly divided into two kinds on arrangement, and a kind of chopper uses horizontal chopper, two vertical cloth of bus
Putting, as shown in Figure of description 3, its shortcoming is 1) chopper is arranged in the bottom, it has not been convenient to the maintenance of chopper and maintenance；
2) under bus isolating switch moving contact, still there are horizontal insulator, the impurity produced during the operation of disconnecting switch moving contact in chopper side
Can fall on this insulator, cause the dielectric level of horizontal insulator to decline the most breakdown, disconnecting switch longtime running is not
Safe and reliable；3) connection of two bus isolating switch and chopper is for being connected in series structure, on the one hand bus isolating switch inspection
Repairing, safeguard extremely inconvenience, between another aspect, insulator is if there is problem, will affect the safe operation of two main bus-bars.4)
Interval height changes with current transformer, when current mutual inductor coil height is the highest, and equipment interval delivery unit superelevation, it is impossible to
Whole Transporting；5) double-bus belongs to high-order layout, and equipment center of gravity is high.And another kind chopper uses vertical-break disconnector, two mothers
Line is horizontally disposed, and as shown in Figure of description 4, its shortcoming is 1) main bus-bar is the equipment bottom, is not easy to maintenance；2) bus
Having horizontal insulator under disconnecting switch moving contact, the foul that bus isolating switch moving contact produces can fall on this insulator, no
Only affect the safe operation of bus isolating switch, also directly affect the safe operation of main bus-bar；3) two bus isolating switch with
The connection of chopper is for being connected in series structure, and on the one hand bus isolating switch maintenance, maintenance are extremely inconvenient, between another aspect absolutely
Edge, if there is problem, will affect the safe operation of two main bus-bars.
Summary of the invention
This utility model is the deficiency overcoming two kinds of main flow structural arrangement forms, in conjunction with respective advantage, it is ensured that power network switch
By structure, the long-term safety reliability service of equipment, arranges that innovation is arranged in parallel with main bus-bar for chopper, the first bus is kept apart
Close, the second bus isolating switch is the mode of parallel-connection structure with chopper, both easy access and maintenances, makes again all moving components
Under there is no horizontal insulator, improve the reliability of product longtime running.
For achieving the above object, a kind of 252kV Cubicle Gas-Insulated Switchgear of design, including base, convergence control cabinet,
Main bus-bar, chopper, main bus-bar disconnecting switch, it is characterized in that: the right side above described base is provided with main bus-bar, is positioned at main bus-bar
The base in left side is arranged over chopper, and described main bus-bar is all vertically disposed on base with chopper and is parallel to each other, main mother
The left side of line is provided with main bus-bar disconnecting switch, and main bus-bar connects current transformer by main bus-bar disconnecting switch, and described electric current is mutual
The right-hand member of sensor connects main bus-bar by main bus-bar disconnecting switch, and the left side of current transformer connects chopper.
Described main bus-bar is made up of the first bus and the second bus, and described main bus-bar disconnecting switch is kept apart by the first bus
Closing and the second bus isolating switch composition, the left side of described first bus is provided with the first bus isolating switch and the first bus and the
Being connected by straight tube between one bus isolating switch, the left side of described second bus is provided with the second bus isolating switch, and described the
One bus isolating switch and the second bus isolating switch are parallel-connected to be connected on current transformer and by current transformer
On chopper.
Described first bus isolating switch and the second bus isolating switch share same import on-board the circuit breaker, and first is female
Line disconnecting switch and the second bus isolating switch be respectively provided on two sides with an air bound insulator, described first bus isolating switch
Being provided with earthed switch, the air bound insulator of the first bus isolating switch and straight tube connecting place is vertically placed, the second bus isolation
Switch the air bound insulator with the second bus connecting place vertically to place.
The described right of circuit breaker being positioned at above current transformer connects another current transformer, and another electric current described is mutual
The left side of sensor connects chopper, and the right side of another current transformer connects disconnecting switch, described disconnecting switch and another electric current
The connecting place of transformer is provided with another air bound insulator, and described air bound insulator is vertically placed.
The described base being positioned on the left of chopper is provided with convergence control cabinet.
Described main bus-bar is only made up of the first bus, and the left side of described first bus is provided with the first bus isolating switch, institute
State the first bus isolating switch to be connected on chopper by current transformer.
Described first bus isolating switch be respectively provided on two sides with an air bound insulator, the first bus isolating switch sets
Having earthed switch, the air bound insulator of the first bus isolating switch and the first bus connecting place is vertically placed.
The described right of circuit breaker being positioned at above current transformer connects another current transformer, and another electric current described is mutual
The left side of sensor connects chopper, and the right side of another current transformer connects disconnecting switch, described disconnecting switch and another electric current
The connecting place of transformer is provided with another air bound insulator, and described air bound insulator is vertically placed.
The described base being positioned on the left of chopper is provided with convergence control cabinet.
This utility model compared with the existing technology, makes do not have horizontal insulator under all moving components, therefore operates generation
Impurity will not fall directly on insulator, significantly improve the reliability of product longtime running；And first bus and the second bus
Disconnecting switch and chopper are parallel-connection structure, it is ensured that can not have a power failure switchover operation bus, and interval height is not with current transformer
Change, it is ensured that can be with whole Transporting.Equipment entirety center of gravity is low, and shock resistance is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of embodiment two in this utility model.
Fig. 3 is the structural representation that in prior art, horizontal chopper is arranged.
Fig. 4 is the structural representation that in prior art, vertical-break disconnector is arranged.
Seeing Fig. 1～Fig. 4, wherein, 1 is base, and 2 is the first bus, and 3 is main bus-bar, and 4 is the second bus, and 5 is to converge with controlling
Cabinet, 6 is chopper, and 7 is current transformer, and 8 is another current transformer, and 9 is disconnecting switch, and 10 is air bound insulator, and 11 are
First bus isolating switch, 12 is earthed switch, and 13 is the second bus isolating switch, and 14 is straight tube, and 15 is that main bus-bar is kept apart
Close, 16 another air bound insulators.
Detailed description of the invention
Below according to accompanying drawing, this utility model is described further.
Embodiment one:
As it is shown in figure 1, the right side above described base 1 is provided with main bus-bar 3, it is positioned at above the base 1 on the left of main bus-bar 3 and sets
Having chopper 6, described main bus-bar 3 are all vertically disposed on base 1 with chopper 6 and are parallel to each other, the left side of main bus-bar 3 is provided with
Main bus-bar disconnecting switch 15, main bus-bar 3 connects current transformer 7 by main bus-bar disconnecting switch 15, described current transformer 7
Right-hand member connects main bus-bar 3 by main bus-bar disconnecting switch 15, and the left side of current transformer 7 connects chopper 6.
Described main bus-bar 3 is made up of the first bus 2 and the second bus 4, and described main bus-bar disconnecting switch 15 is by the first bus
Disconnecting switch 11 and the second bus isolating switch 13 form, and the left side of described first bus 2 is provided with the first bus isolating switch 11
And first be connected by straight tube 14 between bus 2 and the first bus isolating switch 11, the left side of described second bus 4 is provided with second
Bus isolating switch 13, described first bus isolating switch 11 and the second bus isolating switch 13 are parallel-connected to current transformer
It is connected on chopper 6 on 7 and by current transformer 7.
Described first bus isolating switch 11 and the second bus isolating switch 13 share same import on chopper 6,
First bus isolating switch 11 and the second bus isolating switch 13 be respectively provided on two sides with an air bound insulator 10, described first
Bus isolating switch 11 is provided with earthed switch 12, the first bus isolating switch 11 and the air bound insulator 10 of straight tube 14 connecting place
Vertically placing, the air bound insulator 10 of the second bus isolating switch 13 and the second bus 4 connecting place is vertically placed.
Connect on the right side of the described chopper 6 being positioned at above current transformer 7 and have another current transformer 8, another electricity described
The left side of current transformer 8 connects chopper 6, and the right side of another current transformer 8 connects disconnecting switch 9, described disconnecting switch 9 with
The connecting place of another current transformer 8 is provided with another air bound insulator 16, and described air bound insulator 16 is vertically placed.
The described base 1 being positioned on the left of chopper 6 is provided with convergence control cabinet 5.
And first bus isolating switch 11 and the second bus isolating switch 13 moving contact under all there is no horizontal insulator, every
Leave and also there is no horizontal insulator under the moving contact of pass 9.
Embodiment two:
As in figure 2 it is shown, the right side above described base 1 is provided with main bus-bar 3, it is positioned at above the base 1 on the left of main bus-bar 3 and sets
Having chopper 6, described main bus-bar 3 are all vertically disposed on base 1 with chopper 6 and are parallel to each other, the left side of main bus-bar 3 is provided with
Main bus-bar disconnecting switch 15, main bus-bar 3 connects current transformer 7 by main bus-bar disconnecting switch 15, described current transformer 7
Right-hand member connects main bus-bar 3 by main bus-bar disconnecting switch 15, and the left side of current transformer 7 connects chopper 6.
Described main bus-bar 3 is only made up of the first bus 2, and the left side of described first bus 2 is provided with the first bus isolating switch
11, described first bus isolating switch 11 is connected on chopper 6 by current transformer 7.
Described first bus isolating switch 11 be respectively provided on two sides with an air bound insulator 10, the first bus isolating switch
11 are provided with earthed switch 12, and the air bound insulator 10 of the first bus isolating switch 11 and the first bus 2 connecting place is vertically placed.
Connect on the right side of the described chopper 6 being positioned at above current transformer 7 and have another current transformer 8, another electricity described
The left side of current transformer 8 connects chopper 6, and the right side of another current transformer 8 connects disconnecting switch 9, described disconnecting switch 9 with
The connecting place of another current transformer 8 is provided with another air bound insulator 16, and described air bound insulator 16 is vertically placed.
The described base 1 being positioned on the left of chopper 6 is provided with convergence control cabinet 5.
And first do not have horizontal insulator under bus isolating switch 11 moving contact, do not have under the moving contact of disconnecting switch 9 yet
Horizontal insulator.
When this utility model uses, structure is arranged that innovation is arranged in parallel with main bus-bar 3 for chopper 6 so that first is female
Line disconnecting switch the 11, second bus isolating switch 13 and chopper 6 are the mode of parallel-connection structure, both easy access and maintenances, again
Make there is no horizontal insulator under all moving components, improve the reliability of product longtime running, so that it is guaranteed that power network switch sets
Standby long-term safety reliability service.
Claims (9)
1. a 252kV Cubicle Gas-Insulated Switchgear, including base, convergence control cabinet, main bus-bar, chopper, main bus-bar
Disconnecting switch, is characterized in that: the right side of described base (1) top is provided with main bus-bar (3), is positioned at the base in main bus-bar (3) left side
(1) being arranged over chopper (6), described main bus-bar (3) and chopper (6) are all vertically disposed in base (1) and above and are parallel to each other,
The left side of main bus-bar (3) is provided with main bus-bar disconnecting switch (15), and main bus-bar (3) connects electric current by main bus-bar disconnecting switch (15)
Transformer (7), the right-hand member of described current transformer (7) connects main bus-bar (3), Current Mutual Inductance by main bus-bar disconnecting switch (15)
The left side of device (7) connects chopper (6).
2. a kind of 252kV Cubicle Gas-Insulated Switchgear as claimed in claim 1, is characterized in that: described main bus-bar
(3) being made up of the first bus (2) and the second bus (4), described main bus-bar disconnecting switch (15) is by the first bus isolating switch
(11) and the second bus isolating switch (13) forms, and the left side of described first bus (2) is provided with the first bus isolating switch (11)
And first be connected by straight tube (14) between bus (2) and the first bus isolating switch (11), the left side of described second bus (4)
It is provided with the second bus isolating switch (13), described first bus isolating switch (11) and the second bus isolating switch (13) in parallel even
Receive current transformer (7) above and to be connected on chopper (6) by current transformer (7).
3. a kind of 252kV Cubicle Gas-Insulated Switchgear as claimed in claim 2, is characterized in that: described first is female
Line disconnecting switch (11) and the second bus isolating switch (13) are in the upper shared same import of chopper (6), the first bus isolation
Switch (11) and the second bus isolating switch (13) be respectively provided on two sides with an air bound insulator (10), described first bus every
Leave pass (11) and be provided with the air bound insulator of earthed switch (12), the first bus isolating switch (11) and straight tube (14) connecting place
(10) vertically placing, the air bound insulator (10) of the second bus isolating switch (13) and the second bus (4) connecting place is vertically placed.
4. as claimed in claim 2 a kind of 252kV Cubicle Gas-Insulated Switchgear, is characterized in that: described in be positioned at electric current
Chopper (6) right side of transformer (7) top connects another current transformer (8), a left side for described another current transformer (8)
Side connects chopper (6), and the right side of another current transformer (8) connects disconnecting switch (9), described disconnecting switch (9) and another
The connecting place of current transformer (8) is provided with another air bound insulator (16), and described air bound insulator (16) is vertically placed.
5. 252kV Cubicle Gas-Insulated Switchgear as claimed in claim 2 a kind of, is characterized in that: described in be positioned at disconnected
The base (1) in road device (6) left side is provided with convergence control cabinet (5).
6. a kind of 252kV Cubicle Gas-Insulated Switchgear as claimed in claim 1, is characterized in that: described main bus-bar
(3) being only made up of the first bus (2), the left side of described first bus (2) is provided with the first bus isolating switch (11), and described first
Bus isolating switch (11) is connected on chopper (6) by current transformer (7).
7. a kind of 252kV Cubicle Gas-Insulated Switchgear as claimed in claim 6, is characterized in that: described first is female
Line disconnecting switch (11) be respectively provided on two sides with an air bound insulator (10), the first bus isolating switch (11) is provided with ground connection
Switch (12), the air bound insulator (10) of the first bus isolating switch (11) and the first bus (2) connecting place is vertically placed.
8. 252kV Cubicle Gas-Insulated Switchgear as claimed in claim 6 a kind of, is characterized in that: described in be positioned at electricity
Chopper (6) right side of current transformer (7) top connects another current transformer (8), described another current transformer (8)
Left side connects chopper (6), and the right side of another current transformer (8) connects disconnecting switch (9), and described disconnecting switch (9) is with another
The connecting place of one current transformer (8) is provided with another air bound insulator (16), and described air bound insulator (16) is vertically placed.
9. 252kV Cubicle Gas-Insulated Switchgear as claimed in claim 6 a kind of, is characterized in that: described in be positioned at disconnected
The base (1) in road device (6) left side is provided with convergence control cabinet (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620459096.2U CN205693234U (en) | 2016-05-19 | 2016-05-19 | A kind of 252kV Cubicle Gas-Insulated Switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620459096.2U CN205693234U (en) | 2016-05-19 | 2016-05-19 | A kind of 252kV Cubicle Gas-Insulated Switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205693234U true CN205693234U (en) | 2016-11-16 |
Family
ID=57262725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620459096.2U Active CN205693234U (en) | 2016-05-19 | 2016-05-19 | A kind of 252kV Cubicle Gas-Insulated Switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205693234U (en) |
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2016
- 2016-05-19 CN CN201620459096.2U patent/CN205693234U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |