CN104143777A - Gas-insulated metal-enclosed switchgear and single phase thereof - Google Patents
Gas-insulated metal-enclosed switchgear and single phase thereof Download PDFInfo
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- CN104143777A CN104143777A CN201310564598.2A CN201310564598A CN104143777A CN 104143777 A CN104143777 A CN 104143777A CN 201310564598 A CN201310564598 A CN 201310564598A CN 104143777 A CN104143777 A CN 104143777A
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- ground connection
- connection unit
- cylindrical shell
- unit switch
- isolation ground
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Abstract
The invention relates to a gas-insulated metal-enclosed switchgear and a single phase thereof. The single phase comprises a base provided with a sealed casing. The sealed casing comprises a horizontal barrel body, a first wire inlet insulating sleeve and a wire outlet insulating sleeve. A wire inlet end isolating ground connection combined switch and a wire outlet end isolating ground connection combined switch are arranged in the horizontal barrel body, wire outlet conductors are respectively arranged in the first wire inlet insulating sleeve and the wire outlet insulating sleeve in a sealed and insulated mode, the upper ends of the wire outlet conductors are exposed outwards, the lower ends of the wire outlet conductors are electrically connected with corresponding switches, a vertical barrel body is in series connection with the horizontal barrel body and arranged between the wire inlet end isolating ground connection combined switch and the wire outlet end isolating ground connection combined switch, a breaker is arranged in the vertical barrel body, and a current transformer is arranged in the horizontal barrel body and between the breaker and the wire outlet end isolating ground connection combined switch. The single phase is clear in wire connection and compact in structure, and the single phase is applied to the gas-insulated metal-enclosed switchgear.
Description
Technical field
The present invention relates to high-voltage electrical apparatus field, relate in particular to a kind of Cubicle Gas-Insulated Switchgear and single-phase.
Background technology
Conventional high voltage switchgear has AIS(open type equipment at present) and GIS(gas insulating enclosed switch equipment), GIS is using sulfur hexafluoride gas as dielectric, the switchgear that multiple elements (as circuit breaker, isolation ground connection unit switch, current transformer, bus etc.) are integrated, therefore GIS transformer station floor space is few, compact conformation, and operational reliability is high, anti-pollution and shock resistance are strong, but it is expensive, wiring difficulty, is difficult to after fault repair at short notice.AIS is the switchgear of arranging as dielectric using air, existing AIS equipment winding diagram is as shown in Figure 1: comprise the first inlet wire bus 50, the second inlet wire bus 57, end of incoming cables isolation ground connection unit switch 51, end of incoming cables isolating switch 52, circuit breaker 53, current transformer 54, leading-out terminal isolation ground connection unit switch 55 and high speed grounding switch 56, wherein end of incoming cables, leading-out terminal isolation ground connection unit switch includes two station disconnecting switchs and two station grounding switchs, one end of circuit breaker and end of incoming cables isolation ground connection unit switch, end of incoming cables isolating switch electrical connection, the other end is connected with current transformer, the other end of current transformer is electrically connected with leading-out terminal isolation ground connection unit switch, in existing this AIS equipment, each element is using air as dielectric, between element and element and all need between phase and phase larger safe insulation distance, this has just caused AIS transformer station floor space large, structure is compact not, charged position is exposed many, having limited place narrow and small at transformer station's area and that environment is severe uses.
Summary of the invention
The object of the present invention is to provide the Cubicle Gas-Insulated Switchgear of the clear and compact conformation of a kind of wiring; The present invention also aims to provide the single-phase of a kind of this Cubicle Gas-Insulated Switchgear.
In order to address the above problem, in the present invention, a kind of single-phase technical scheme of Cubicle Gas-Insulated Switchgear is:
A kind of Cubicle Gas-Insulated Switchgear single-phase, comprise base, on base, be provided with closure casing, closure casing comprises horizontal cylindrical shell and the first inlet wire insulating sleeve and outlet insulating sleeve along laterally cylindrical shell bearing of trend spacing parallel arranging setting, each insulating sleeve is all along being vertically arranged at horizontal cylindrical shell upside, laterally in cylindrical shell, be respectively arranged with end of incoming cables isolation ground connection unit switch and leading-out terminal isolation ground connection unit switch with the corresponding position of each insulating sleeve, in the first inlet wire insulating sleeve, sealed insulation is equipped with upper end and exposes, the first inlet wire conductor of lower end for being electrically connected with described end of incoming cables isolation ground connection unit switch, in outlet insulating sleeve, sealed insulation is equipped with upper end and exposes the outlet conductor of lower end for being electrically connected with described leading-out terminal isolation ground connection unit switch, on described horizontal cylindrical shell, between end of incoming cables isolation ground connection unit switch and leading-out terminal isolation ground connection unit switch, be serially connected with vertical cylindrical shell, in vertical cylindrical shell, be provided with the circuit breaker of vertical layout, in described horizontal cylindrical shell, between circuit breaker and leading-out terminal isolation ground connection unit switch, be provided with the current transformer of transverse arrangement of turbo.
The horizontal cylindrical shell at described current transformer place is higher or lower than the horizontal cylindrical shell at isolation ground connection unit switch place, described end of incoming cables.
Described the first inlet wire insulating sleeve and outlet insulating sleeve are connected on described horizontal cylindrical shell by each self-corresponding transition cylindrical shell respectively, and each transition cylindrical shell is all vertically arranged.
Described end of incoming cables, leading-out terminal isolation ground connection unit switch are three station isolation/ground connection unit switches.
Described base comprises underframe, on underframe, be provided with the support that is respectively used to support described end of incoming cables isolation ground connection unit switch, circuit breaker and leading-out terminal isolation ground connection unit switch, each support respectively corresponding be arranged at described end of incoming cables isolation ground connection unit switch, circuit breaker and leading-out terminal isolation ground connection unit switch under.
In the present invention, a kind of technical scheme of Cubicle Gas-Insulated Switchgear is:
A kind of Cubicle Gas-Insulated Switchgear, comprise three single-phase, the described single-phase base that comprises, on base, be provided with closure casing, closure casing comprises horizontal cylindrical shell and the first inlet wire insulating sleeve and outlet insulating sleeve along laterally cylindrical shell bearing of trend spacing parallel arranging setting, each insulating sleeve is all along being vertically arranged at horizontal cylindrical shell upside, laterally in cylindrical shell, be respectively arranged with end of incoming cables isolation ground connection unit switch and leading-out terminal isolation ground connection unit switch with the corresponding position of each insulating sleeve, in the first inlet wire insulating sleeve, sealed insulation is equipped with upper end and exposes, the first inlet wire conductor of lower end for being electrically connected with described end of incoming cables isolation ground connection unit switch, in outlet insulating sleeve, sealed insulation is equipped with upper end and exposes the outlet conductor of lower end for being electrically connected with described leading-out terminal isolation ground connection unit switch, on described horizontal cylindrical shell, between end of incoming cables isolation ground connection unit switch and leading-out terminal isolation ground connection unit switch, be serially connected with vertical cylindrical shell, in vertical cylindrical shell, be provided with the circuit breaker of vertical layout, in described horizontal cylindrical shell, between circuit breaker and leading-out terminal isolation ground connection unit switch, be provided with the current transformer of transverse arrangement of turbo.
The horizontal cylindrical shell at described current transformer place is higher or lower than the horizontal cylindrical shell at isolation ground connection unit switch place, described end of incoming cables.
Described the first inlet wire insulating sleeve and outlet insulating sleeve are connected on described horizontal cylindrical shell by each self-corresponding transition cylindrical shell respectively, and each transition cylindrical shell is all vertically arranged.
Described end of incoming cables, leading-out terminal isolation ground connection unit switch are three station isolation/ground connection unit switches.
Described base comprises underframe, on underframe, be provided with the support that is respectively used to support described end of incoming cables isolation ground connection unit switch, circuit breaker and leading-out terminal isolation ground connection unit switch, each support respectively corresponding be arranged at described end of incoming cables isolation ground connection unit switch, circuit breaker and leading-out terminal isolation ground connection unit switch under.
Beneficial effect of the present invention is: the end of incoming cables isolation ground connection unit switch circuit breaker in the present invention and leading-out terminal isolation ground connection unit switch are all arranged in closure casing, conductor upper end in each insulating sleeve is respectively used to be connected with corresponding external bus, this that is to say that bus is external in the time using in the future, thereby it is clear, easy to maintenance to have realized wiring; End of incoming cables isolation ground connection unit switch, circuit breaker and leading-out terminal isolation ground connection unit switch are all arranged in closure casing, when use, in closure casing, fill insulating gas, ensure the good insulation between each element, can realize layout compact between each element, in addition, the current transformer of the vertical insulating sleeve arranging, the vertical circuit breaker arranging and horizontally set all makes this single-phase structure compacter.
Brief description of the drawings
Fig. 1 is the wiring schematic diagram of each element in background technology;
Fig. 2 is the structural representation of a single-phase embodiment of Cubicle Gas-Insulated Switchgear in the present invention, is also simultaneously single-phase structural representation in an embodiment of Cubicle Gas-Insulated Switchgear in the present invention;
Fig. 3 is the wiring schematic diagram of each element in Fig. 2.
Embodiment
A kind of embodiment of Cubicle Gas-Insulated Switchgear is as shown in Fig. 2 ~ 3: comprise three be set up in parallel single-phase, each single-phase structure is all identical, single-phasely its structure is elaborated as example below taking one of them, and two other is single-phase no longer describes in detail.The single-phase base that comprises, base comprises underframe 16 and is arranged at four supports 15 on underframe, each support all vertically arranges, in each support, be provided with closure casing, closure casing comprises horizontal cylindrical shell 4, laterally in cylindrical shell, be arranged at intervals with end of incoming cables isolation ground connection unit switch 3, end of incoming cables isolating switch 7 and leading-out terminal isolation ground connection unit switch 10, end of incoming cables isolation ground connection unit switch and end of incoming cables isolating switch are arranged in same section of horizontal cylindrical shell, wherein end of incoming cables isolation ground connection unit switch and leading-out terminal isolation ground connection unit switch are three station isolation/ground connection unit switches, three station isolation/ground connection unit switches are by the switch together with two kinds of elements combinations of isolating switch and earthed switch, operating mechanism of its need can be realized isolation and ground connection, there is compact conformation, the feature that integrated level is high, three station isolation/ground connection unit switches belong to prior art, its concrete structure is not described in detail in this, end of incoming cables isolation ground connection unit switch and end of incoming cables isolating switch belong to bus type isolating switch, the combination of leading-out terminal isolation earthing switch belongs to line type isolating switch.Bus type isolating switch refers to the isolating switch that is arranged on bus bar side, adopts common isolating switch when general single bus scheme, only plays simple electrical isolation effect.When double bus scheme, adopt quick isolation switch except realizing electrical isolation effect, also there is certain extinguish arcs ability, for suiting bus switching current.Line type isolating switch refers to the isolating switch that is arranged on line side (outgoing line side), adopts common isolating switch, plays electrical isolation effect.Bus type isolating switch and line type isolating switch all belong to prior art, and its concrete structure no longer describes in detail.Laterally on cylindrical shell, between end of incoming cables isolating switch and the combination of leading-out terminal isolation earthing switch, be serially connected with vertical cylindrical shell, in this vertical cylindrical shell, be provided with the circuit breaker 8 of vertical layout, laterally in cylindrical shell, between circuit breaker and leading-out terminal isolation earthing switch, be provided with the current transformer 9 of transverse arrangement of turbo, wherein the horizontal cylindrical shell at current transformer place will be higher than the horizontal cylindrical shell at isolating switch place, end of incoming cables, this is because the vertical cloth postpone of circuit breaker, moving contact and fixed contact be not on sustained height, be furnished with to be like this beneficial to and reduce circuit breaker and end of incoming cables isolating switch, the length of line between current transformer, also be conducive to reduce circuit breaker and end of incoming cables isolating switch simultaneously, the angle of bend of line between current transformer, be conducive to Electric Field Distribution and convenient for assembly.Four supports respectively corresponding be supported in end of incoming cables isolation ground connection unit switch, end of incoming cables isolating switch, circuit breaker and leading-out terminal isolation ground connection unit switch under, end of incoming cables isolation ground connection unit switch, end of incoming cables isolating switch, circuit breaker and leading-out terminal isolation ground connection unit switch are supported and fixed on underframe by correspondence respectively.Laterally on cylindrical shell, isolate ground connection unit switch in end of incoming cables, the corresponding position of end of incoming cables isolating switch and leading-out terminal isolation ground connection unit switch is connected with respectively the transition cylindrical shell 2 of vertical setting, be respectively arranged with the first inlet wire insulating sleeve 1 in the upper end of each transition cylindrical shell, the second inlet wire insulating sleeve 5 and outlet insulating sleeve 13, each insulating sleeve is ceramic insulation sleeve pipe (or silicon rubber insulation sleeve pipe), each insulating sleeve all arranges along vertical, in the first inlet wire insulating sleeve, sealed insulation is equipped with upper end and exposes, the first inlet wire conductor of lower end for being electrically connected with described end of incoming cables isolation ground connection unit switch, in the second insulating sleeve, sealed insulation is equipped with upper end and exposes, the second inlet wire conductor of lower end for being electrically connected with described end of incoming cables isolating switch, in outlet insulating sleeve, sealed insulation is equipped with upper end and exposes the outlet conductor of lower end for being electrically connected with described leading-out terminal isolation ground connection unit switch, the lower end of each conductor is electrically connected respectively with to inductive switch, laterally in cylindrical shell, between end of incoming cables isolation ground connection unit switch and end of incoming cables isolating switch, be provided with busbar, in each transition cylindrical shell, be also provided with busbar, above-mentioned end of incoming cables isolation ground connection unit switch, end of incoming cables isolating switch, circuit breaker, current transformer, the wiring relation of the combination of leading-out terminal isolation earthing switch and high speed grounding switch belongs to prior art, be not described in detail in this.Figure middle term 11 represents high speed grounding switch, and high speed grounding switch is arranged at the end of horizontal cylindrical shell; Item 14 represents convergence control cabinets.
When use, by flexible conductor, corresponding open type bus 17 is connected with the exposed junction of the conductor in each insulating sleeve, without enclosed busbar, electrical wiring is clear, be easy to safeguard, and enlarging is convenient, make this Cubicle Gas-Insulated Switchgear structure on the basis with GIS compact equipment compacter by the insulating sleeve of vertical setting, the vertical circuit breaker arranging and the current transformer of transverse arrangement of turbo simultaneously, greatly saved floor space, improved the reliability of equipment; Each support respectively supported each supporting point, ensured the fail safe of equipment, also reduced the weight of base simultaneously.
In other embodiment of this Cubicle Gas-Insulated Switchgear: the height of the horizontal cylindrical shell at current transformer place can also be less than or equal to the height of the horizontal cylindrical shell in isolating switch place, end of incoming cables; End of incoming cables isolation ground connection unit switch and leading-out terminal isolation ground connection unit switch can also form by two station disconnecting switchs and two station grounding switchs; End of incoming cables isolating switch also can not established, and is applied to single bus scheme form; Transition cylindrical shell also can not established, such as each insulating sleeve is directly arranged on horizontal cylindrical shell; Certainly base also can adopt the full supporting construction that horizontal cylinder is also supported.
The single-phase embodiment of Cubicle Gas-Insulated Switchgear is as shown in Fig. 2 ~ 3: single-phase identical with described in above-mentioned each Cubicle Gas-Insulated Switchgear embodiment of single-phase concrete structure, is not described in detail in this.
Claims (10)
1. a Cubicle Gas-Insulated Switchgear is single-phase, comprise base, it is characterized in that: on base, be provided with closure casing, closure casing comprises horizontal cylindrical shell and the first inlet wire insulating sleeve and outlet insulating sleeve along laterally cylindrical shell bearing of trend spacing parallel arranging setting, each insulating sleeve is all along being vertically arranged at horizontal cylindrical shell upside, laterally in cylindrical shell, be respectively arranged with end of incoming cables isolation ground connection unit switch and leading-out terminal isolation ground connection unit switch with the corresponding position of each insulating sleeve, in the first inlet wire insulating sleeve, sealed insulation is equipped with upper end and exposes, the first inlet wire conductor of lower end for being electrically connected with described end of incoming cables isolation ground connection unit switch, in outlet insulating sleeve, sealed insulation is equipped with upper end and exposes the outlet conductor of lower end for being electrically connected with described leading-out terminal isolation ground connection unit switch, on described horizontal cylindrical shell, between end of incoming cables isolation ground connection unit switch and leading-out terminal isolation ground connection unit switch, be serially connected with vertical cylindrical shell, in vertical cylindrical shell, be provided with the circuit breaker of vertical layout, in described horizontal cylindrical shell, between circuit breaker and leading-out terminal isolation ground connection unit switch, be provided with the current transformer of transverse arrangement of turbo.
2. according to claim 1 single-phase, it is characterized in that: the horizontal cylindrical shell at described current transformer place is higher or lower than the horizontal cylindrical shell at isolation ground connection unit switch place, described end of incoming cables.
3. according to claim 1 single-phase, it is characterized in that: described the first inlet wire insulating sleeve and outlet insulating sleeve are connected on described horizontal cylindrical shell by each self-corresponding transition cylindrical shell respectively, each transition cylindrical shell is all vertically arranged.
4. according to claim 1 single-phase, it is characterized in that: described end of incoming cables, leading-out terminal isolation ground connection unit switch are three station isolation/ground connection unit switches.
5. single-phase according to described in claim 1 ~ 4 any one, it is characterized in that: described base comprises underframe, on underframe, be provided with the support that is respectively used to support described end of incoming cables isolation ground connection unit switch, circuit breaker and leading-out terminal isolation ground connection unit switch, each support respectively corresponding be arranged at described end of incoming cables isolation ground connection unit switch, circuit breaker and leading-out terminal isolation ground connection unit switch under.
6. a Cubicle Gas-Insulated Switchgear, comprise three single-phase, the described single-phase base that comprises, it is characterized in that: on base, be provided with closure casing, closure casing comprises horizontal cylindrical shell and the first inlet wire insulating sleeve and outlet insulating sleeve along laterally cylindrical shell bearing of trend spacing parallel arranging setting, each insulating sleeve is all along being vertically arranged at horizontal cylindrical shell upside, laterally in cylindrical shell, be respectively arranged with end of incoming cables isolation ground connection unit switch and leading-out terminal isolation ground connection unit switch with the corresponding position of each insulating sleeve, in the first inlet wire insulating sleeve, sealed insulation is equipped with upper end and exposes, the first inlet wire conductor of lower end for being electrically connected with described end of incoming cables isolation ground connection unit switch, in outlet insulating sleeve, sealed insulation is equipped with upper end and exposes the outlet conductor of lower end for being electrically connected with described leading-out terminal isolation ground connection unit switch, on described horizontal cylindrical shell, between end of incoming cables isolation ground connection unit switch and leading-out terminal isolation ground connection unit switch, be serially connected with vertical cylindrical shell, in vertical cylindrical shell, be provided with the circuit breaker of vertical layout, in described horizontal cylindrical shell, between circuit breaker and leading-out terminal isolation ground connection unit switch, be provided with the current transformer of transverse arrangement of turbo.
7. Cubicle Gas-Insulated Switchgear according to claim 6, the horizontal cylindrical shell at described current transformer place is higher or lower than the horizontal cylindrical shell at isolation ground connection unit switch place, described end of incoming cables.
8. Cubicle Gas-Insulated Switchgear according to claim 6, it is characterized in that: described the first inlet wire insulating sleeve and outlet insulating sleeve are connected on described horizontal cylindrical shell by each self-corresponding transition cylindrical shell respectively, each transition cylindrical shell is all vertically arranged.
9. Cubicle Gas-Insulated Switchgear according to claim 6, is characterized in that: described end of incoming cables, leading-out terminal isolation ground connection unit switch are three station isolation/ground connection unit switches.
10. according to the Cubicle Gas-Insulated Switchgear described in claim 6 ~ 9 any one, it is characterized in that: described base comprises underframe, on underframe, be provided with the support that is respectively used to support described end of incoming cables isolation ground connection unit switch, circuit breaker and leading-out terminal isolation ground connection unit switch, each support respectively corresponding be arranged at described end of incoming cables isolation ground connection unit switch, circuit breaker and leading-out terminal isolation ground connection unit switch under.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310564598.2A CN104143777A (en) | 2013-11-14 | 2013-11-14 | Gas-insulated metal-enclosed switchgear and single phase thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310564598.2A CN104143777A (en) | 2013-11-14 | 2013-11-14 | Gas-insulated metal-enclosed switchgear and single phase thereof |
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| Publication Number | Publication Date |
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| CN104143777A true CN104143777A (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310564598.2A Pending CN104143777A (en) | 2013-11-14 | 2013-11-14 | Gas-insulated metal-enclosed switchgear and single phase thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838511A (en) * | 2020-08-13 | 2021-05-25 | 平高集团有限公司 | Combined electrical appliance |
| CN114128068A (en) * | 2019-05-29 | 2022-03-01 | 西门子能源全球有限公司 | Switching device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001186611A (en) * | 1999-12-27 | 2001-07-06 | Mitsubishi Electric Corp | Gas-insulated switchgear |
| CN101001005A (en) * | 2007-01-05 | 2007-07-18 | 西安电力机械制造公司 | Gas insulation switch device |
-
2013
- 2013-11-14 CN CN201310564598.2A patent/CN104143777A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001186611A (en) * | 1999-12-27 | 2001-07-06 | Mitsubishi Electric Corp | Gas-insulated switchgear |
| CN101001005A (en) * | 2007-01-05 | 2007-07-18 | 西安电力机械制造公司 | Gas insulation switch device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114128068A (en) * | 2019-05-29 | 2022-03-01 | 西门子能源全球有限公司 | Switching device |
| US12046879B2 (en) | 2019-05-29 | 2024-07-23 | Siemens Energy Global GmbH & Co. KG | Switching arrangement |
| CN112838511A (en) * | 2020-08-13 | 2021-05-25 | 平高集团有限公司 | Combined electrical appliance |
| CN112838511B (en) * | 2020-08-13 | 2023-08-15 | 平高集团有限公司 | Combined electrical apparatus |
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Application publication date: 20141112 |
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