CN108879454B - Combined electric vehicle and combined switch - Google Patents
Combined electric vehicle and combined switch Download PDFInfo
- Publication number
- CN108879454B CN108879454B CN201810508031.6A CN201810508031A CN108879454B CN 108879454 B CN108879454 B CN 108879454B CN 201810508031 A CN201810508031 A CN 201810508031A CN 108879454 B CN108879454 B CN 108879454B
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- switch
- voltage transformer
- combined
- station isolation
- phase
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- 238000002955 isolation Methods 0.000 claims abstract description 62
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005191 phase separation Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/075—Earthing arrangements
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention relates to a combined electric vehicle and a combined switch. The combined electrical apparatus car includes the travelling car and installs the combination switch on the travelling car, the combination switch is provided with the circuit breaker including the wiring end that is located both ends around, between two wiring ends, and both sides still are equipped with three station isolation earthing switch respectively around the circuit breaker, the combination switch still includes voltage transformer and arrester, and at least one of voltage transformer and arrester is in same fore-and-aft position with one of them three station isolation earthing switch. The lightning arrester and the voltage transformer are arranged at the same front position and the same rear position of the three-station isolation grounding switch, the lightning arrester and the voltage transformer utilize the space in the width direction of the movable trolley and share the front space and the rear space with the three-station isolation grounding switch, the front size and the rear size of the combination switch are reduced, the whole combination switch is more compact in structure, and the combination switch is convenient to transport.
Description
Technical Field
The invention relates to a combined electric vehicle and a combined switch.
Background
Along with the rapid development of domestic economy, the dependence degree on electric power is higher and higher, the requirement on power supply reliability is also continuously improved, in order to solve various problems in the power supply process, the mobile substation is produced at the same time, when a short-time power consumption peak occurs, the mobile substation can be rapidly transported to the site and can be put into use after being connected with a power grid, and the power supply amount is improved; when natural disasters occur and the original transformer substation fails, the movable transformer substation can be quickly transported to the site to replace the failed transformer substation for use, so that the power failure time of abnormal accidents is shortened, power supply is quickly restored when natural disasters occur, electric power support is provided for disaster prevention and reduction, and loss is reduced.
The structure of portable transformer substation generally includes the trailer, is provided with transformer and combined electrical apparatus etc. on the trailer, and wherein, combined electrical apparatus generally includes circuit breaker, isolation earthing switch, current transformer, voltage transformer, arrester, sets up along the long direction interval of car between each structure. However, in the practical use process of the transformer substation with the structure type, because a certain insulation distance is needed among all components in the combined electrical apparatus, the whole combined electrical apparatus needs to occupy a larger space in the vehicle length direction, the higher the voltage level of the transformer substation is, the larger the occupied space is, and for a mobile transformer substation, the larger the size is, the more inconvenient the transportation is, which greatly restricts the development of the mobile transformer substation.
Disclosure of Invention
The invention aims to provide a combined switch which has compact structure, small volume and convenient transportation; the invention also aims to provide a combined electric vehicle using the combined switch.
In order to achieve the purpose, the technical scheme of the combined switch is as follows: the utility model provides a combination switch, is provided with the circuit breaker including the wiring end that is located both ends around, between two wiring ends, both sides still are equipped with three station isolation earthing switch respectively around the circuit breaker, combination switch still includes voltage transformer and arrester, and at least one of voltage transformer and arrester is in same front and back position with one of them three station isolation earthing switch.
The lightning arrester and the voltage transformer are arranged at the same front position and the same back position of the three-station isolation grounding switch, the lightning arrester and the voltage transformer utilize the space in the width direction of the movable trolley and share the front space and the back space with the isolation grounding switch, the front size and the back size of the combination switch are reduced, the whole combination switch is more compact in structure, and the combination switch is convenient to transport.
The voltage transformer and the lightning arrester are both located at the same front and back positions with the same three-station isolation grounding switch.
The voltage transformer and the lightning arrester are respectively positioned on the left side and the right side of the three-station isolation grounding switch.
And the voltage transformer and the lightning arrester are respectively positioned below the left side and the right side of the three-station isolation grounding switch.
One of the two terminals close to the voltage transformer is a cable terminal, and the cable terminal and the voltage transformer are located at the same front and back positions.
The voltage transformer, the lightning arrester and the cable terminal are arranged circumferentially around the three-station isolation grounding switch, included angles between the voltage transformer, the lightning arrester and the cable terminal are 90 degrees, and the cable terminal is horizontally arranged.
The one of the two terminals which is far away from the voltage transformer is also a cable terminal, one of the two cable terminals is positioned on the left side of the combination switch, and the other cable terminal is positioned on the right side of the combination switch.
The two terminals are three-phase split-phase sleeves.
The three-phase split-phase sleeve is vertically arranged.
The three-phase split-phase sleeve far away from the voltage transformer and the three-station isolation grounding switch far away from the voltage transformer are positioned at the same front and back positions, so that the structure of the combined switch is more compact, and the front and back sizes of the combined switch are further reduced.
The circuit breaker is vertically arranged.
In order to achieve the purpose, the technical scheme of the combined electric vehicle is as follows: the utility model provides a combination electrical apparatus car, includes travelling car and the fixed combination switch that sets up on the travelling car, combination switch is provided with the circuit breaker including the wiring end that is located both ends around, between two wiring ends, and both sides still are equipped with three station isolation earthing switch respectively around the circuit breaker, combination switch still includes voltage transformer and arrester, and at least one of voltage transformer and arrester is in same fore-and-aft position with one of them three station isolation earthing switch.
The lightning arrester and the voltage transformer are arranged at the same front position and the same back position of the three-station isolation grounding switch, the lightning arrester and the voltage transformer utilize the space in the width direction of the movable trolley and share the front space and the back space with the isolation grounding switch, the front size and the back size of the combination switch are reduced, the whole combination switch is more compact in structure, and the combination switch is convenient to transport.
The voltage transformer and the lightning arrester are both located at the same front and back positions with the same three-station isolation grounding switch.
The voltage transformer and the lightning arrester are respectively positioned on the left side and the right side of the three-station isolation grounding switch.
And the voltage transformer and the lightning arrester are respectively positioned below the left side and the right side of the three-station isolation grounding switch.
One of the two terminals close to the voltage transformer is a cable terminal, and the cable terminal and the voltage transformer are located at the same front and back positions.
The voltage transformer, the lightning arrester and the cable terminal are arranged circumferentially around the three-station isolation grounding switch, included angles between the voltage transformer, the lightning arrester and the cable terminal are 90 degrees, and the cable terminal is horizontally arranged.
The one of the two terminals which is far away from the voltage transformer is also a cable terminal, one of the two cable terminals is positioned on the left side of the combination switch, and the other cable terminal is positioned on the right side of the combination switch.
The two terminals are three-phase split-phase sleeves.
The three-phase split-phase sleeve is vertically arranged.
The three-phase split-phase sleeve far away from the voltage transformer and the three-station isolation grounding switch far away from the voltage transformer are positioned at the same front and back positions, so that the structure of the combined switch is more compact, and the front and back sizes of the combined switch are further reduced.
The circuit breaker is vertically arranged.
And the grounding end of the combined switch is communicated with the movable trolley and is grounded through the movable trolley.
Drawings
FIG. 1 is a front view of a preferred embodiment 1 of a combination electric vehicle according to the present invention;
FIG. 2 is a top view of a preferred embodiment 1 of the combined electric vehicle of the present invention;
FIG. 3 is a front view of the combination switch of the preferred embodiment 1 of the combined electric vehicle of the present invention;
FIG. 4 is a top view of the combination switch of the preferred embodiment 1 of the combined electric vehicle of the present invention;
FIG. 5 is a front view of the mobile cart in the preferred embodiment 1 of the combined electric vehicle of the present invention;
FIG. 6 is a top view of the mobile cart in the preferred embodiment 1 of the combined electric vehicle of the present invention;
FIG. 7 is a front view of the electric combination vehicle in accordance with the preferred embodiment 1 of the present invention;
FIG. 8 is a top view of the combined electric vehicle in accordance with the preferred embodiment 1 of the present invention;
FIG. 9 is a wiring diagram of the combination switch in the preferred embodiment 1 of the combined electric vehicle of the present invention;
FIG. 10 is a front view of a preferred embodiment 2 of the combination electric vehicle of the present invention;
FIG. 11 is a top view of a preferred embodiment 2 of the combination electric vehicle of the present invention;
FIG. 12 is a front view of the combination switch of the preferred embodiment of the combination electric vehicle of the present invention 2;
FIG. 13 is a top view of the combination switch of the preferred embodiment of the combination electric vehicle of the present invention 2;
FIG. 14 is a front view of the mobile cart in the preferred embodiment 2 of the combined electric vehicle of the present invention;
FIG. 15 is a top view of the mobile cart in the preferred embodiment 2 of the combined electric vehicle of the present invention;
FIG. 16 is a front view of the combined electric vehicle in accordance with the preferred embodiment 2 of the present invention;
FIG. 17 is a top view of the preferred embodiment of the combination electric vehicle of the present invention in use;
FIG. 18 is a wiring diagram of the combination switch in the preferred embodiment 2 of the combined electric vehicle of the present invention;
in the figure: 1. moving the trolley; 2. a circuit breaker; 3. a current transformer; 4. a three-station isolation grounding switch; 5. a voltage transformer; 6. a lightning arrester; 7. a GIS control cubicle; 8. a front three-phase split-phase sleeve; 9. a rear three-phase split-phase sleeve; 10. a front cable termination; 11. and a rear cable termination.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The embodiment 1 of the combined electrical vehicle comprises a movable trolley and a combined switch fixedly arranged on the movable trolley, wherein the combined switch comprises wiring ends positioned at the front end and the rear end, a circuit breaker is arranged between the two wiring ends, three-station isolation grounding switches are respectively arranged at the front side and the rear side of the circuit breaker, the combined switch further comprises a voltage transformer and an arrester, and at least one of the voltage transformer and the arrester and one of the three-station isolation grounding switches are positioned at the same front position and the same rear position.
The lightning arrester and the voltage transformer are arranged at the same front and back positions with the three-station isolation grounding switch, the lightning arrester and the voltage transformer share the front and back space with the three-station isolation grounding switch by utilizing the space in the width direction of the movable trolley, the front and back size of the combination switch is reduced, the whole combination switch is more compact in structure, and the transportation of the combination switch is facilitated.
Wherein, all be in same front and back position with same three-station isolation earthing switch with voltage transformer and arrester, obtain embodiment 2, in other embodiments, can make one of them and the three-station isolation earthing switch of circuit breaker front side setting of voltage transformer and arrester be in same front and back position, another is in same front and back position with the three-station isolation earthing switch of circuit breaker rear side setting.
When the voltage transformer and the arrester are both located at the same front and rear positions as the same three-station isolation grounding switch, the voltage transformer and the arrester can be located at the left and right sides of the three-station isolation grounding switch respectively, so that embodiment 3 is obtained. In other embodiments, the voltage transformer and the lightning arrester may be arranged at any position in the circumferential direction of the three-position disconnecting and grounding switch, for example, the voltage transformer and the lightning arrester may be arranged at any two positions, such as above, below, left side, and right side, of the three-position disconnecting and grounding switch, respectively. Of course, the voltage transformer and the lightning arrester can be respectively arranged below the left side and the right side of the three-position isolating and grounding switch, and embodiment 4 can be obtained.
When the voltage transformer and the lightning arrester are positioned at the same front and back positions as the same three-station isolation grounding switch, one of the two wiring terminals can be set as a cable terminal, and the other wiring terminal is set as a three-phase split-phase sleeve; or both the two terminals are arranged as cable terminals; or, both the terminals are set as three-phase split-phase sleeves.
In the above arrangement of the terminals, when one of the two terminals is a cable terminal and the cable terminal is close to the voltage transformer, the cable terminal and the voltage transformer are arranged at the same front and rear positions to obtain embodiment 5, at this time, the voltage transformer, the lightning arrester and the cable terminal can be circumferentially arranged around the three-station isolated grounding switch, the included angle between the voltage transformer and the lightning arrester is 90 °, and the cable terminal is horizontally arranged to obtain embodiment 6. When the other of the two terminals is also a cable terminal, one of the cable terminals is disposed on the left side of the combination switch and the other is disposed on the right side of the combination switch, resulting in embodiment 7.
All set up two wiring ends to three-phase separation sleeve pipe, obtain embodiment 8, at this moment, two three-phase separation sleeve pipes can vertical setting to reduce combination switch's horizontal size, obtain embodiment 9, of course, in other embodiments, the sleeve pipe of two three-phase separation sleeve pipe's both sides also can outwards slope the setting, with increase insulating distance. In addition, when both the two terminals are set as three-phase split-phase bushings, the three-phase split-phase bushing far away from the voltage transformer and the three-station isolation grounding switch far away from the voltage transformer are located at the same front and rear positions, so that the front and rear sizes of the combined switch are further reduced, and embodiment 10 is obtained.
In all the above embodiments, the circuit breaker was vertically disposed, resulting in embodiment 11.
In all the above embodiments, the grounding terminal of the combination switch is conducted with the moving trolley and grounded through the moving trolley, so as to obtain the embodiment 12, and in other embodiments, the grounding terminal of the combination switch may be directly grounded.
The above embodiments are all brief descriptions of the combined electric vehicle of the present invention, and these embodiments can be implemented individually or in combination, and the following provides the best implementation modes of the two combined electric vehicles combined by the above embodiments.
The optimal embodiment 1 of the combined electric vehicle comprises a movable trolley 1 and a combined switch fixedly arranged on the movable trolley, wherein the combined switch comprises wiring ends positioned at the front end and the rear end, a circuit breaker 2 is arranged between the two wiring ends, three-station isolation grounding switches 4 are respectively arranged at the front side and the rear side of the circuit breaker 2, the combined switch further comprises a voltage transformer 5 and an arrester 6, and the voltage transformer 5 and the arrester 6 are positioned at the same front and rear positions as the three-station isolation grounding switches arranged at the rear side of the circuit breaker 2.
The front three-position isolating grounding switch 4 and the rear three-position isolating grounding switch 4 are respectively connected with a front three-phase split-phase bushing 8 and a rear three-phase split-phase bushing 9 which are used for incoming and outgoing lines. The vertical setting of preceding, back three-phase-splitting sleeve pipe leads to the whole width increase of combination switch when avoiding the sleeve pipe slope to set up, is unfavorable for combination switch's transportation. In addition, the lightning arrester 6 is located three station isolation earthing switch's left side below, and voltage transformer 5 is located three station isolation earthing switch's right side below, places lightning arrester 6 and voltage transformer 5 in three station isolation earthing switch's both sides below, can increase the insulating distance between lightning arrester and voltage transformer and the sleeve pipe, improves combination switch's operational reliability.
In addition, the three-station isolation grounding switch 4 on the front side of the circuit breaker is connected with the lower portion of the circuit breaker 2, the front three-phase split-phase bushing 8 is located above the front three-station isolation grounding switch, and the front three-phase split-phase bushing 8 and the front three-station isolation grounding switch share a section of front and rear space, so that the structure of the combination switch is more compact, and the front and rear sizes of the combination switch are further reduced. A current transformer 3 is connected in series between the circuit breaker 2 and a rear three-station isolation grounding switch 4, and a rear three-phase split-phase sleeve 9 is connected with the rear end of the rear three-station isolation grounding switch.
And a GIS control cubicle 7 is also arranged on the movable trolley 1.
The specific structure of the moving trolley is shown in fig. 5 and 6, and fig. 6 shows a mounting position diagram of the combined switch on the moving trolley, which includes a voltage transformer mounting area a, a lightning arrester mounting area B, a circuit breaker, a current transformer, a three-station isolation grounding switch mounting area C, and a bushing support mounting area D, GIS bus control cabinet mounting area E.
In the actual use process of the combined electric vehicle, the combined switch is fixed on the movable trolley according to the installation area, then debugging and testing are carried out, and the combined electric vehicle is integrally transported to the site to be put into operation. The whole height of the movable trolley is 1100mm, the length of the trolley body is 4500mm, the width of the trolley body is 3000mm, the whole height of the combination switch is 3400mm, and the length of the whole combined electric trolley after assembly is 4500mm, the width of the combined electric trolley is 3000mm, the height of the combined electric trolley is 4500mm, and the combined electric trolley meets the road transportation requirement. After the combined electric vehicle is transported to the site, the rear three-phase split-phase sleeve is connected with the overhead line, and the front three-phase split-phase sleeve is connected with the transformer, so that the operation can be carried out.
As shown in fig. 10 to 18, a preferred embodiment 2 of the combined electric vehicle of the present invention has a structure substantially the same as that of the combined electric vehicle of embodiment 1, except that in this embodiment, the combined switch is configured to input and output wires through a front cable terminal 10 and a rear cable terminal 11 connected to three-position isolation grounding switches 4 on front and rear sides, wherein the rear cable terminal 11 and the rear three-position isolation grounding switch 4 are located at the same front and rear positions and are spaced from a lightning arrester 6 and a voltage transformer 5, and the front cable terminal 10 and the front three-position isolation grounding switch 4 are located at the same front and rear positions.
In addition, three-position isolation grounding switch 4 on the front side of circuit breaker 2 is connected with the middle of circuit breaker 2, and front cable terminal 10 is located at the lower left of three-position isolation grounding switch 4 on the front side. The rear cable terminal 11 is positioned at the right lower part of the rear three-station isolation grounding switch 4, the voltage transformer 5 is positioned above the rear three-station isolation grounding switch, and the lightning arrester 6 is positioned at the left lower part of the rear three-station isolation grounding switch.
The specific structure of the moving trolley 1 is shown in fig. 14 and 15, wherein fig. 15 is a distribution diagram of the installation of each structure of the combination switch on the moving trolley, and the distribution diagram includes a circuit breaker, a voltage transformer, a front-rear three-station isolation grounding switch installation area a, a control cubicle installation area b, a cable terminal support area c, and a lightning arrester support area d.
In the practical use process of the combined electrical vehicle in the embodiment, the combined switch is also fixed on the mobile trolley in a factory according to the layout, and the combined switch is integrally transported to the field to be put into operation after debugging and testing. The whole height of the movable trolley is 1100mm, the length of the trolley body is 4000mm, the width of the trolley body is 3000mm, the whole height of the combination switch is 2600mm, the length of the whole combined electric appliance trolley after assembly is 4000mm, the width of the combined electric appliance trolley is 3000mm, the height of the combined electric appliance trolley is 3700mm, and the combined electric appliance trolley meets the road transportation requirement. After the combined electric vehicle is transported to the site, the rear cable terminal is connected with the door frame, and after the front cable terminal is connected with the transformer, the operation can be carried out.
The specific structure of the embodiment of the combination switch of the present invention is the same as that of the combination switch in each embodiment of the above-mentioned combined electric vehicle, and details are not repeated here.
Claims (5)
1. The utility model provides a combination electrical apparatus car, includes travelling car and the fixed combination switch that sets up on the travelling car, its characterized in that: the combined switch comprises wiring ends positioned at the front end and the rear end, a circuit breaker is arranged between the two wiring ends, three-station isolation grounding switches are respectively arranged at the front side and the rear side of the circuit breaker, the combined switch also comprises a voltage transformer and an arrester, the voltage transformer and the arrester are positioned at the same front and rear positions as the same three-station isolation grounding switch, and the voltage transformer and the arrester are respectively positioned below the left side and the right side of the three-station isolation grounding switch at the same front and rear positions; the two wiring terminals are three-phase split-phase sleeves; the three-station isolation grounding switch on the front side of the circuit breaker is connected with the lower part of the circuit breaker, and the front three-phase split-phase sleeve is positioned above the three-station isolation grounding switch on the front side; a current transformer is connected in series between the circuit breaker and the rear three-station isolation grounding switch, and the rear three-phase split-phase sleeve is connected with the rear end of the rear three-station isolation grounding switch; the current transformer is connected with the middle part of the breaker.
2. The combined electric vehicle as claimed in claim 1, wherein the three-phase split-phase bushing is vertically disposed.
3. The combined electric vehicle as recited in claim 1, wherein the three-phase split-phase bushing far away from the voltage transformer is located at the same front and rear positions as the three-position isolated grounding switch far away from the voltage transformer.
4. The combined electric vehicle as claimed in any one of claims 1-3, wherein the circuit breaker is vertically disposed.
5. The combined electric vehicle as claimed in any one of claims 1-3, wherein the grounding terminal of the combined switch is electrically connected with the moving trolley and grounded through the moving trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810508031.6A CN108879454B (en) | 2018-05-24 | 2018-05-24 | Combined electric vehicle and combined switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810508031.6A CN108879454B (en) | 2018-05-24 | 2018-05-24 | Combined electric vehicle and combined switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108879454A CN108879454A (en) | 2018-11-23 |
| CN108879454B true CN108879454B (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810508031.6A Active CN108879454B (en) | 2018-05-24 | 2018-05-24 | Combined electric vehicle and combined switch |
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| CN (1) | CN108879454B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2935398B2 (en) * | 1993-06-30 | 1999-08-16 | 株式会社高岳製作所 | Gas insulated combined switchgear |
| JPH11234824A (en) * | 1998-02-17 | 1999-08-27 | Takaoka Electric Mfg Co Ltd | Gas-insulated switchgear |
| CN205178364U (en) * | 2015-11-06 | 2016-04-20 | 泰安泰山高压开关有限公司 | Female structure that allies oneself with interval transversal arrangement of 126kVGIS |
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| CN108879454A (en) | 2018-11-23 |
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