CN202260612U - AC power supply system used in transformer station - Google Patents
AC power supply system used in transformer station Download PDFInfo
- Publication number
- CN202260612U CN202260612U CN2011203747297U CN201120374729U CN202260612U CN 202260612 U CN202260612 U CN 202260612U CN 2011203747297 U CN2011203747297 U CN 2011203747297U CN 201120374729 U CN201120374729 U CN 201120374729U CN 202260612 U CN202260612 U CN 202260612U
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- CN
- China
- Prior art keywords
- power supply
- supply system
- tse
- transformer station
- switch
- 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.)
- Withdrawn - After Issue
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model provides an AC power supply system used in a transformer station. The AC power supply system comprises two transformers, two circuit breakers and a three-position change-over switch, wherein the upper sides of the circuit breakers are connected with the transformers respectively; the upper side of the three-position change-over switch is connected with the two circuit breakers respectively; and the lower side of the three-position change-over switch is connected with two sections of AC buses respectively. In the AC power supply system, as the three-position change-over switch replaces two ATSes (Automatic Transfer Switch) in an original system to achieve operation of the two transformers in both the back-up and breaking modes, the problem that a conventional AC power supply system used in the transformer station can not reliably realize the back-up mode and circumferential flow is effectively solved, meanwhile, the system is simplified and the operational reliability of the system is improved.
Description
Technical field
The utility model relates to a kind of transformer station and uses AC power supply system, belongs to the distribution field.
Background technology
Transformer station is the important component part of transformer station with power supply, generally is divided into AC system, direct current system, the power supply system for communications, UPS etc.It is charging, ventilation, illumination, power, cooling, the energy storage of circuit breaker and the electric equipment power supply that other use AC power of whole transformer station that transformer station uses AC power.Along with the continuous progress of converting equipment manufacturing technology and the popularization of unattended operation transformer station, have higher requirement with the security reliability of AC power supply system, economy, automaticity etc. for transformer station.
Transformer station should be based on systems technology all the time with power supply and come research and development, proposes thinking of development according to practical problem, current situation.All also there is very big optimization space in existing transformer station with power supply at aspects such as resource consolidation, automatization level, management modes, can know with the power supply development trend and the market demand according to transformer station: transformer station's alternating current-direct current integrated power supply pattern of compact conformation, economic and reliable has vast potential for future development.A kind of transformer station station is disclosed among the utility model patent CN 101594001A with alternating current-direct current integrated power supply device, with reference to figure 1.This device comprises 1,2 and two ATS switches 3,4 of two transformers.Used alternating current bus is divided into two sections, and promptly 5 and 6, respectively by two ATS power supplies.Be connected with respectively in every section ac bus and exchange feeder line module, charging module and intelligent lighting feeder line module etc.Each charging module is connected with same dc bus 7 respectively, connects two groups of dc feeder modules, two groups of inverter modules, two groups of DC-DC modules and a group storage battery 8 in the dc bus respectively.Be provided with fuse 9 between each charging module and the dc bus.When the AC transformer of operation lost efficacy, can automatically switch to subsequent use AC transformer power supply, guarantee the reliability of power supply.General ATS switch is the double break mouth, and through motor driven, linkage adopts the Machine Design of seesaw type to realize the automatic switchover of two transformer baies.Owing to adopted two ATS to realize the subsequent use each other and fanout operation of two sections buses in this power supply device for transformer substation, so had following problem:
When two ATS all connected the 1# transformer, 1# and 2# transformer were to be equipped with mode operation mutually, and when the 1# transformer broke down, two ATS all should change and be connected to the 2# spare transformer, realized the standby mode conversion.If but two ATS change nonsynchronous words, promptly one of them ATS successful conversion is to the 2# transformer, but another ATS convert failed or have certain delay with respect to the 1#ATS conversion; Then can not reliably realize being equipped with mutually pattern; If be provided with interconnection switch between two sections ac bus, then will between two sections ac bus, cause circulation, can cause certain impact to system when circulation is big; Heavy then damage equipment burns transformer or causes the misoperation of overcurrent protection.
Given this; The utility model provides a kind of transformer station to use AC power supply system; Through adopting a three-position switch to substitute 2 ATS; Effectively avoided existing transformer station might problem with AC power supply system, the problem includes: the problem that can not reliably realize being equipped with mutually pattern and circulation has been simplified system simultaneously, improved reliability of system operation.
The utility model content
According to the problems referred to above, the utility model aims to provide a kind ofly can effectively avoid the transformer station of two transformer circulation to use AC power supply system simply, reliably.
The technical scheme of the utility model is following:
A kind of transformer station comprises two transformers, two circuit breakers and a three-position switch TSE with AC power supply system, wherein:
The upside of each circuit breaker is connected with a transformer respectively, and the upside of three-position switch TSE is connected with two circuit breakers respectively;
The downside of three-position switch TSE connects two sections ac bus respectively;
The feeder line load kind of every section ac bus connection comprises living load, electrothermal load and lighting load.
Further:
Two circuit breakers are for communicating by letter circuit breaker;
Said transformer station is with the supervising device that a cover is used to monitor transformer outlet voltage, busbar voltage, circuit breaker current, circuit-breaker status is set in the AC power supply system; Each input of this supervising device connects transformer, busbar voltage, circuit breaker respectively, and the output of this supervising device drives change over switch work;
Change over switch TSE is three positions conversion, promptly 0, I position and II position, and when change over switch TSE was in 0, two transformers were with the apportion mode operation; When change over switch TSE was in I position or II position, two transformers were to be equipped with mode operation mutually;
Change over switch TSE is derived from by the ATS switch, promptly obtains change over switch TSE through the load end of ATS switch being untied derive from.
The utility model provides a kind of transformer station to use AC power supply system; Two ATS that this system adopts a three-position switch to substitute in the original system realize being equipped with mutually and the apportion mode operation of two transformers; Can avoid effectively that existing transformer station might problem with AC power supply system, the problem includes: can not reliably realize mutually the problem of pattern and circulation fully; Simplify system simultaneously, improved reliability of system operation.
Description of drawings
Fig. 1 uses the AC power supply system structure diagram for existing transformer station;
The transformer station that Fig. 2 provides for the utility model uses the AC power supply system structure diagram.
Embodiment
The utility model provides a kind of transformer station to use AC power supply system, and is as shown in Figure 2, and its composition comprises two transformer TR1 and TR2 and following three parts:
(1) power cabinet: comprise two circuit breaker CB1 and CB2, two surge protector SPD, a cover supervising device MC and three-position switch TSE etc.Two circuit breaker CB1, CB2 are the circuit breaker of can communicating by letter.
The upside of two circuit breaker CB1 and CB2 links to each other with TR2 with two transformer TR1 respectively, and the downside of two circuit breakers connects two sections ac bus I/AC and II/AC respectively; Two surge protector SP1 link to each other with TR2 with two transformer TR1 respectively with SP2.
Three-position switch has three dresses 0 of change place, I position and II positions, obtains through the load end of the ATS switch of special use is untied to derive from, and promptly the load end of two TSE switches connects two sections ac bus respectively.The upside of three-position switch links to each other with the downside of two circuit breaker CB1 and CB2, and the downside of three-position switch links to each other with II/AC with two sections ac bus I/AC.When change over switch was in 0, transformer TR1 and TR2 all connected, and two transformers are with the apportion mode operation; When change over switch was in I position or II position, only transformer TR1 or TR2 connected, and two transformers to be to be equipped with mode operation mutually, therefore can reliably realize apportion and received shipment row mode mutually.In native system through adopting a three-position switch TSE to substitute two ATS; Therefore two the ATS action inefficacies or the problem that postpones of moving have been avoided; Efficiently solve two transformer baies and might produce the problem of circulation, improved the security row and the reliability of system's operation.
Supervising device MC in the utility model can realize that transformer station is intelligent with electric power network, is connected with higher level Surveillance center through the system integration monitoring module.Supervising device MC comprises an AC power monitoring module and a DC power supply monitoring module, and wherein the DC power supply monitoring module comprises dc switch state acquisition module, communication power supply monitoring module, charging device monitoring module, insulating monitor and battery logging.The AC power monitoring module is responsible for monitoring the service data of AC power, comprises transformer outlet voltage monitoring module, AC circuit breaker state acquisition module and busbar voltage monitoring module.
Each input of supervising device MC links to each other with the circuit breaker of the circuit breaker of two transformers, two power cabinets, two sections ac bus, two feeder line cabinets respectively; The output of supervising device MC links to each other with three-position switch, and supervising device MC can be to higher level Surveillance center bi-directional transmission of information.Supervising device is used to monitor transformer outlet voltage, busbar voltage, circuit breaker current, circuit breaker is normal or abnormal condition; Supervising device MC monitors above service data; Changing the service data dress into signal of communication transmits to higher level Surveillance center; Also can receive simultaneously the order of higher level's module, drive three-position switch work.
(2) feeder line cabinet: two sections ac bus I/AC and II/AC are connected with the feeder line cabinet respectively, and protection for feed line circuit breaker CB11, CB12, CB21, CB22 of some branch roads etc. are housed in the feeder line cabinet, and the feeder line cabinet is connected with the load cabinet downwards.
Stipulate according to 5.1.1 among the DL/T 5155-2002: the feeder line load kind of two sections ac bus connections comprises living load, electrothermal load and lighting load; Wherein living load comprises charging device, float charger, communication power supply, inverter and UPS etc.; Electrothermal load comprises power distribution equipment heating, electrically heated boilers, air conditioner etc., and lighting load comprises various device illuminations.
(3) load cabinet: load cashier's office in a shop side links to each other with the feeder line cabinet, and the load protection circuit breaker CB111 of some branch roads etc. is housed in the load cabinet, and load cabinet downside connects uses electric loading.
Claims (5)
1. a transformer station uses AC power supply system, it is characterized in that comprising:
Two transformers, two circuit breakers and a three-position switch TSE, wherein:
The upside of each circuit breaker is connected with a transformer respectively, and the upside of three-position switch TSE is connected with two circuit breakers respectively;
The downside of three-position switch TSE connects two sections ac bus respectively;
The feeder line load kind of every section ac bus connection comprises living load, electrothermal load and lighting load.
2. transformer station according to claim 1 uses AC power supply system, it is characterized in that:
Two circuit breakers are for communicating by letter circuit breaker.
3. transformer station according to claim 1 and 2 uses AC power supply system, it is characterized in that:
The supervising device that one cover is used to monitor transformer outlet voltage, busbar voltage, circuit breaker current, circuit-breaker status is set; Each input of this supervising device connects transformer, busbar voltage, circuit breaker respectively, and the output of this supervising device drives change over switch work.
4. transformer station according to claim 1 uses AC power supply system, it is characterized in that:
Change over switch TSE is three positions conversion, promptly 0, I position and II position, and when change over switch TSE was in 0, two transformers were with the apportion mode operation; When change over switch TSE was in I position or II position, two transformers were to be equipped with mode operation mutually.
5. transformer station according to claim 4 uses AC power supply system, it is characterized in that:
Change over switch TSE is derived from by the ATS switch, promptly obtains change over switch TSE through the load end of ATS switch being untied derive from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203747297U CN202260612U (en) | 2011-09-30 | 2011-09-30 | AC power supply system used in transformer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203747297U CN202260612U (en) | 2011-09-30 | 2011-09-30 | AC power supply system used in transformer station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202260612U true CN202260612U (en) | 2012-05-30 |
Family
ID=46121796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203747297U Withdrawn - After Issue CN202260612U (en) | 2011-09-30 | 2011-09-30 | AC power supply system used in transformer station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202260612U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103036304A (en) * | 2011-09-30 | 2013-04-10 | 首瑞（北京）投资管理集团有限公司 | Alternating current power supply system for substation |
| CN106992515A (en) * | 2017-03-23 | 2017-07-28 | 国网福建省电力有限公司 | Use electric screen cabinet remodeling method in one kind station |
-
2011
- 2011-09-30 CN CN2011203747297U patent/CN202260612U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103036304A (en) * | 2011-09-30 | 2013-04-10 | 首瑞（北京）投资管理集团有限公司 | Alternating current power supply system for substation |
| CN103036304B (en) * | 2011-09-30 | 2015-05-20 | 首瑞（北京）投资管理集团有限公司 | Alternating current power supply system for substation |
| CN106992515A (en) * | 2017-03-23 | 2017-07-28 | 国网福建省电力有限公司 | Use electric screen cabinet remodeling method in one kind station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120530 Effective date of abandoning: 20150520 |
|
| RGAV | Abandon patent right to avoid regrant |