CN201325345Y - Box section post for electrified railway - Google Patents
Box section post for electrified railway Download PDFInfo
- Publication number
- CN201325345Y CN201325345Y CNU2008201413586U CN200820141358U CN201325345Y CN 201325345 Y CN201325345 Y CN 201325345Y CN U2008201413586 U CNU2008201413586 U CN U2008201413586U CN 200820141358 U CN200820141358 U CN 200820141358U CN 201325345 Y CN201325345 Y CN 201325345Y
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- CN
- China
- Prior art keywords
- bus
- switch cabinet
- gas insulation
- insulation switch
- transformer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model provides a box section post for an electrified railway, which solves the problem that the prior box section post has large volume and is greatly influenced by the external environment. A first bus penetrates a first gas insulating switch cabinet and a second gas insulating switch cabinet and is connected with a transformer, a first isolating switch is arranged on the first bus of the first gas insulating switch cabinet, a second bus penetrates the first and the second gas insulating switch cabinet, a second isolating switch is arranged on the second bus of the second gas insulating switch cabinet, first and second incoming lines are respectively connected with the first and the second buses in the first gas insulating switch cabinet, a first circuit breaker and a first current transformer are connected in series between the buses, third and fourth incoming lines are respectively connected with the first and the second buses in the second gas insulating switch cabinet, a second circuit breaker and a second current transformer are connected in series between the buses, the circuit breakers, the current transformers and the isolating switches are encapsulated in an insulating gas separation chamber of the switch cabinet, and three voltage transformers and four lightning arresters are respectively connected with the buses.
Description
Technical field:
The utility model belongs to the power technology field, and is relevant with the 27.5kV electrified railway traction power supply system.
Background technology:
The electric railway section post is a power supply facilities important in the tractive power supply system, its function is to realize the parallel operation of multiple line section contact nets in electrified railways end, improve the contact system terminal voltage, disconnect parallel operation during the contact system fault and dwindle fault coverage, when a side-lining substation fault or interruption maintenance, can the both sides feeding section be coupled together the realization over zone feeding, improve power supply alerting ability and reliability by section post.
At present, electric railway section post high voltage electric equipment adopts the air insulation mode more, and floor area is big, and electrical main connecting wire complexity, insulating power are influenced greatly by environment and sea level elevation, and high voltage electric equipment needs certain handling labor.
The utility model content:
The purpose of this utility model provides a kind of compact conformation, volume is little, and operation and maintenance is convenient, safety, the box section post of the electric railway of dependable performance.
The utility model is achieved in that
The box section post of the utility model electric railway, comprise first, two gas insulation switch cabinets and voltage transformer, circuit breaker in the primary equipment, current transformer, disconnector is installed in the insulating gas compartment of gas insulation switch cabinet, voltage transformer and lightning arrester are installed on the cabinet of gas insulation switch cabinet, first bus runs through first, two gas insulation switch cabinets also are connected with voltage transformer T, on first bus in first gas insulation switch cabinet or second bus first disconnector is arranged, second bus runs through first, two gas insulation switch cabinets, on second bus in second gas insulation switch cabinet or first bus second disconnector is arranged, first, two disconnectores are respectively on two different buses, first, two inlet wires are connected respectively to first gas insulation switch cabinet interior first, two buses, be in series with first circuit breaker and first current transformer between two buses, the 3rd, four inlet wires are connected respectively to second gas insulation switch cabinet interior first, two buses, be in series with second current transformer and second circuit breaker between two buses, first, two voltage transformer and first, two lightning arresters are positioned on first gas insulation switch cabinet, first voltage transformer is connected with first bus respectively with first lightning arrester, second voltage transformer is connected with second bus respectively with second lightning arrester, tertiary voltage transformer and the 3rd, four lightning arresters are positioned on second gas insulation switch cabinet, the 3rd lightning arrester is connected with first bus, and the tertiary voltage transformer is connected with second bus respectively with the 4th lightning arrester.
Be in series with the 3rd disconnector and fuse on the line of first bus and voltage transformer.
Voltage transformer and lightning arrester adopt all-sealed structure to be installed on the gas insulation switch cabinet.
First and second disconnector lays respectively between two inlet wires on the bus of place.
Secondary device cabinet and transformer case are arranged; voltage transformer is arranged in the transformer case; secondary device is arranged; secondary device comprises digital relay and monitoring unit, alterating and direct current source unit, Environment Monitor Unit, communication unit, video monitoring unit, network management unit and local monitoring unit, secondary device is installed in the secondary device cabinet respectively and the low-voltage equipment compartment of first and second gas insulation switch cabinet, transformer case in.
Secondary device cabinet, first and second gas insulation switch cabinet, transformer case are positioned at casing 6, and A/C 1 is arranged in the casing 6.
The utility model only connects the radical function that can realize the electric railway subregion with the gas insulation switch cabinet of 2 structural similitudies by simple bus, make that the box section post main electrical scheme of electric railway is simple, volume is littler, not influenced by external environment and sea level elevation, the repair and maintenance work capacity is little, is convenient to assembling and batch production production.
The utility model secondary device is made up of digital relay and monitoring unit, communication unit, video monitoring unit, alternating current-direct current unit and Environment Monitor Unit, and by the network interconnection.
The utility model is encapsulated in the high voltage electric equipment in the section post in the gas-insulated switch, is assembled in factory in a sealing, constant temperature, protection against the tide, the corrosion-proof casing with secondary device.
The beneficial effects of the utility model are, electric loop compact conformation, high-tension apparatus are sealed in the insulating gas compartment, and personnel and tool in contact are less than high-pressure section, maintenance safety is convenient, maintenance workload is few, and operating cost is low, and electrical equipment is not influenced by external environment and sea level elevation, dependable performance, quick for installation, save and take up an area of, be that a kind of desirable unmanned electric railway section post is built institute's pattern.
Description of drawings:
Fig. 1 is the integral structure scheme drawing (opening the front view of chamber door) of embodiment.
1. A/Cs among the figure, 2. secondary device cabinet, 3. first gas insulation switch cabinet, 4. second gas insulation switch cabinet, 5. transformer case, 6. casing.
Fig. 2 is an electric hookup of the present utility model.
The specific embodiment:
Box section post is made up of casing 6, primary equipment, secondary device, voltage transformer and A/C 1, and structure as shown in Figure 1.Circuit breaker, current transformer and separating more leaves to close and is encapsulated in the insulating gas compartment of gas insulation switch cabinet 3,4, and voltage transformer, lightning arrester and inlet wire cable connector be in the gas insulation switch cabinet outside, and links to each other with the cabinet internal bus.Voltage transformer is installed in the transformer case 5.Secondary device is installed in the low-voltage equipment compartment of secondary device cabinet 2 and gas insulation switch cabinet 3,4, transformer case 5, and secondary device comprises digital relay and monitoring unit, alterating and direct current source unit, Environment Monitor Unit, communication unit, video monitoring unit, network management unit and local monitoring unit.
Being configured to of primary equipment in the box section post: 2 circuit breaker 1CB, 2CB, 2 current transformer 1CT, 2CT, 2 separate more and leave the voltage transformer 1PT, the 2PT that close 1DS, 2DS, 3 built-in fuses, 4PT, 4 lightning arrester 1LA, 2LA, 3LA, 4LA, 1 voltage transformer T, 1 fuse FU, 1 disconnector 3DS.The low pressure side one side of voltage transformer T is as the auxiliary power supply of section post, double as voltage transformer on the other hand.The annexation of above-mentioned primary equipment is:
Disconnector 1DS one end is connected with bus 1B in the gas insulation switch cabinet 1C, the other end links to each other by connecting between cabinet with bus 3B in the gas insulation switch cabinet 4, disconnector 2DS one end is connected with bus 4B in the gas insulation switch cabinet 4, and the other end links to each other by connecting between cabinet with bus 2B in the gas insulation switch cabinet 3.
Lightning arrester 1LA, 2LA, 3LA, 4LA are attempted by respectively between 4 sections buses and the ground, voltage transformer 1PT, 2PT, 4PT are attempted by respectively between bus 1B, 2B, 4B and the ground, are attempted by between bus 3B and the ground behind voltage transformer T serial connection fuse FU and the disconnector 3DS.
Secondary device can be by the network interconnection.
Environment Monitor Unit uses the A/C with communication interface, has heating, refrigeration and dehumidification function, and can be by the mode of operation of network control A/C.
Claims (6)
1, the box section post of electric railway, it is characterized in that comprising first, two gas insulation switch cabinets and voltage transformer, circuit breaker in the primary equipment, current transformer, disconnector is installed in the insulating gas compartment of gas insulation switch cabinet, voltage transformer and lightning arrester are installed on the cabinet of gas insulation switch cabinet, first bus runs through first, two gas insulation switch cabinets also are connected with voltage transformer T, on first bus in first gas insulation switch cabinet or second bus first disconnector is arranged, second bus runs through first, two gas insulation switch cabinets, on second bus in second gas insulation switch cabinet or first bus second disconnector is arranged, first, two disconnectores are respectively on two different buses, first, two inlet wires are connected respectively to first gas insulation switch cabinet interior first, two buses, be in series with first circuit breaker and first current transformer between two buses, the 3rd, four inlet wires are connected respectively to second gas insulation switch cabinet interior first, two buses, be in series with second current transformer and second circuit breaker between two buses, first, two voltage transformer and first, two lightning arresters are positioned on first gas insulation switch cabinet, first voltage transformer is connected with first bus respectively with first lightning arrester, second voltage transformer is connected with second bus respectively with second lightning arrester, tertiary voltage transformer and the 3rd, four lightning arresters are positioned on second gas insulation switch cabinet, the 3rd lightning arrester is connected with first bus, and the tertiary voltage transformer is connected with second bus respectively with the 4th lightning arrester.
2, the box section post of electric railway according to claim 1 is characterized in that being in series with the 3rd disconnector and fuse on the line of first bus and voltage transformer.
3, the box section post of electric railway according to claim 1 is characterized in that voltage transformer and lightning arrester adopt all-sealed structure to be installed on the gas insulation switch cabinet.
4, the box section post of electric railway according to claim 1 is characterized in that first and second disconnector lays respectively between two inlet wires on the bus of place.
5, the box section post of electric railway according to claim 1; it is characterized in that having secondary device cabinet and transformer case; voltage transformer is arranged in the transformer case; secondary device is arranged; secondary device comprises digital relay and monitoring unit, alterating and direct current source unit, Environment Monitor Unit, communication unit, video monitoring unit, network management unit and local monitoring unit, secondary device is installed in the secondary device cabinet respectively and the low-voltage equipment compartment of first and second gas insulation switch cabinet, transformer case in.
6, the box section post of electric railway according to claim 5 is characterized in that secondary device cabinet, first and second gas insulation switch cabinet, transformer case are positioned at casing (6), have A/C (1) in the casing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201413586U CN201325345Y (en) | 2008-11-12 | 2008-11-12 | Box section post for electrified railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201413586U CN201325345Y (en) | 2008-11-12 | 2008-11-12 | Box section post for electrified railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201325345Y true CN201325345Y (en) | 2009-10-14 |
Family
ID=41177324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201413586U Expired - Lifetime CN201325345Y (en) | 2008-11-12 | 2008-11-12 | Box section post for electrified railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201325345Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993410A (en) * | 2015-08-11 | 2015-10-21 | 四川电器集团股份有限公司 | Box-type section post |
-
2008
- 2008-11-12 CN CNU2008201413586U patent/CN201325345Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993410A (en) * | 2015-08-11 | 2015-10-21 | 四川电器集团股份有限公司 | Box-type section post |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Box section post of outdoor total box electric railway Effective date of registration: 20131226 Granted publication date: 20091014 Pledgee: Chengdu technology transfer (Group) Co., Ltd. Pledgor: Sichuan Huiyou Electric Co., Ltd. Registration number: 2013990001027 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150602 Granted publication date: 20091014 Pledgee: Chengdu technology transfer (Group) Co., Ltd. Pledgor: Sichuan Huiyou Electric Co., Ltd. Registration number: 2013990001027 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Box section post of outdoor total box electric railway Effective date of registration: 20150608 Granted publication date: 20091014 Pledgee: Chengdu technology transfer (Group) Co., Ltd. Pledgor: Sichuan Huiyou Electric Co., Ltd. Registration number: 2015990000450 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170120 Granted publication date: 20091014 Pledgee: Chengdu technology transfer (Group) Co., Ltd. Pledgor: Sichuan Huiyou Electric Co., Ltd. Registration number: 2015990000450 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20091014 |
|
| CX01 | Expiry of patent term |