CN201256293Y - Synthetic energy saving system of power distribution network - Google Patents
Synthetic energy saving system of power distribution network Download PDFInfo
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- CN201256293Y CN201256293Y CNU200820054378XU CN200820054378U CN201256293Y CN 201256293 Y CN201256293 Y CN 201256293Y CN U200820054378X U CNU200820054378X U CN U200820054378XU CN 200820054378 U CN200820054378 U CN 200820054378U CN 201256293 Y CN201256293 Y CN 201256293Y
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- power distribution
- distribution network
- energy
- energy saving
- saving
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/10—Flexible AC transmission systems [FACTS]
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/20—Active power filtering [APF]
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a power distribution network integrated energy-saving system, which comprises an energy-saving device and an integrated management system, wherein the energy-saving device is connected with a network conversion device through an optical fiber, the network conversion device is connected with the integrated management system through an industrial Ethernet, and the energy-saving device comprises a high-low voltage lateral energy saving device. The power distribution network integrated energy-saving system achieves 'omnibearing and multi-aspect' integrated energy-saving consumption-lowering and electric management of power distribution network.
Description
Technical field
The utility model relates to electric energy-saving, particularly the power distribution network synthesis energy saving system.
Background technology
Along with the development of power electronic technology, STATCOM STATCOM and Active Power Filter-APF APF have obtained extensive use in power transmission and distribution, improved the electrical network quality of power supply, have reduced line loss, have played the effect of electric energy-saving.But because single energy-saving equipment only possesses in a certain respect energy-conservation function,, be mainly used in reactive power compensation, reduce reactive current flowing in electrical network, can not satisfy the needs of electric energy-saving in all directions as static compensator.
Make a general survey of the power distribution network power-saving technology, have following deficiency: 1, whole power distribution network lacks the planning and the management means of the overall situation, and energy management levels is not high, does not have to form the synthesis energy saving consumption reduction of " comprehensive, many-side ".The energy-saving equipment of power distribution network still is single operation, forms the situation that " isolated island " stands in great numbers, and information is relatively disperseed, and integrated level is not high, is not easy to top management and control.2, influence each other between the single isolated node energy-saving equipment, in case the excessive or not enough fault that can cause nearby lines of local modulation forms in " zone, key ".For example: certain node is used Static Var Compensator SVC and is improved power factor, reduces the loss of electric energy; Use harmonic suppression apparatus simultaneously and reduce this node harmonic content, reduce harmonic loss; But do not consider the characteristics of the harmonic wave that SVC itself produces and to the influence of harmonic suppression apparatus, cause between the equipment and equipment and electrical network between resonance takes place, and then cause the fault of nearby lines, form in " zone, key ".3, it is too frequent that the control of the independence of energy-saving equipment causes the equipment adjusting easily, and service life of equipment shortens, and maintenance cost increases.
Simultaneously, the improving constantly of the arrival of information age and the communication technology, the extensive use of Industrial Ethernet is for the power distribution network synthesis energy saving network management provides technical guarantee.
The utility model content
In order to solve the difficult problem of existing power distribution network synthesis energy saving technical deficiency, the utility model is intended in conjunction with the Industrial Ethernet technology, and a kind of power distribution network synthesis energy saving system is provided, and realizes the synthesis energy saving consumption reduction and the electric energy management of power distribution network " comprehensive, many-side ".
The technical scheme that the utility model technical solution problem is adopted is: a kind of power distribution network synthesis energy saving system, comprise energy saver and integrated management system, described energy saver is connected with link switch equipment through optical fiber, link switch equipment is connected with integrated management system by Industrial Ethernet, and described energy saver comprises the energy-conservation equipment of high and low pressure side.
The energy-conservation equipment in described high-pressure side comprises: high-power mixed active electric power filter HAPF, high voltage static reactive-load compensator SVC, HAPF and SVC association system and STATCOM STATCOM; The energy-conservation equipment of low-pressure side comprises: intelligent indoor outer reactive-load compensator IVC, power distribution network STATCOM DSTATCOM, DSTATCOM and thyristor switchable capacitor TSC association system and Active Power Filter-APF APF.
Described HAPF and SVC association system are a kind ofly to be connected in parallel on the energy-conservation equipment that constitutes on the same points of common connection by high-power mixed active electric power filter HAPF and high voltage static reactive-load compensator SVC.
Described DSTATCOM and thyristor switchable capacitor TSC association system are a kind ofly to be connected in parallel on the energy-conservation equipment that constitutes on the same points of common connection by a station power distribution net STATCOM DSTATCOM and a plurality of thyristor switchable capacitor TSC.
Described integrated management system comprises: two communication server, operator station, engineer station, integrated management station, image monitoring system, imitation screen, Operation Ticket Expert System, external server, GPS time dissemination systems that mutual heat is equipped with.
Technique effect of the present utility model has been to provide a kind of new overall electric energy-saving thinking, in conjunction with advanced power electronic technology and information technology, form the power distribution network synthesis energy saving system, solved influencing each other in adjustment process between the limitation of existing single energy-saving equipment and each energy-saving equipment, both improve electric energy-saving efficient, improved the average power factor of power distribution network again.The employing of optical fiber communication has improved the rate of information throughput, has also played the effect of electrical isolation, has improved the antijamming capability and the accuracy of message transmission.The use of Industrial Ethernet has improved information transmission efficiency greatly, provides Information Assurance for realizing power distribution network synthesis energy saving and energy management.
Below in conjunction with drawings and Examples the utility model is further described.
Description of drawings
Fig. 1 is an application The general frame of the present utility model.
Embodiment
Referring to Fig. 1, Fig. 1 is a simple application The general frame of the present utility model.The power distribution network synthesis energy saving system, comprise energy saver and integrated management system, described energy saver is connected with link switch equipment through optical fiber, and link switch equipment is connected with integrated management system by Industrial Ethernet, and described energy saver comprises the energy-conservation equipment of high and low pressure side.Five functional modules that the integrated management energy conserving system is integrated, and can carry out information exchange mutually between the module.
The energy-conservation equipment in high-pressure side comprises Static Var Compensator SVC, STATCOM STATCOM, high-power mixed active electric power filter HAPF and HAPF and SVC association system, described association system is a kind of HAPF and SVC to be connected in parallel on the same points of common connection, the energy-conservation equipment of a kind of high-quality dynamic passive compensation and harmonic wave control is provided, main compensating reactive power of SVC and STATCOM and regulation voltage, HAPF can administer harmonic wave, improve the quality of power supply, simultaneously also can provide certain reactive power compensation, and HAPF and SVC association system not only can provide high-quality reactive power compensation, also can carry out harmonic wave control.The energy-conservation equipment of low-pressure side comprises indoor outer intelligent powerless compensation device IVC, power distribution network STATCOM DSTCOM, DSTATCOM and TSC association system and Active Power Filter-APF APF.Wherein DSTATCOM and TSC association system are meant and a kind ofly are connected in parallel on the same points of common connection by a DSTATCOM and a plurality of TSC, provide the big capacity of a kind of low finished product dynamic continuously adjustable reactive power compensation equipment, and IVC can provide a grade reactive power compensation; DSTATCOM can provide the continuous reactive compensation; DSTATCOM and TSC association system can provide big capacity reactive power compensation; APF can carry out harmonic wave control.
The integrated management system hardware configuration comprises: two communication server, operator station, engineer station, integrated management station, frequency image monitoring system, imitation screen, Operation Ticket Expert System, external server, GPS time dissemination systems that mutual heat is equipped with.
Communication server is selected the industrial computer with high reliability for use, and server links by network adapter and local area network (LAN), obtains the device context data by each station level management front-end processor.Communication server adopts the Various types of data information of different strategy transmission supervisory control systems according to the different demands of operator station, engineer station, integrated management station, portal server by the centre management layer network.Communication server adopts redundant configuration, and two server heat each other is equipped with to improve the fail safe and the reliability of system.
Frequency image monitoring system adopts the high industrial computer of reliability, obtains on-the-spot remote viewing view data by Ethernet from communication server, sees the image change of control point on frequency image monitoring system in real time, and many pictures handoff functionality is provided in frequency image monitoring system; Can carry out image storage, image reproducing to the demand of supervisory control system according to system.
Operator station adopts the higher brand of computer of reliability, obtains system data by local area network (LAN) from communication server, finishes the supervision and the controlled function of system, and various monitoring and administration interface are provided.
The engineer station adopts the higher brand of computer of reliability, constitutes the main operating platform of supervisory control system with operator station.The engineer station obtains system and device data by local area network (LAN) from communication server.
Operation Ticket Expert System is by reading real-time running data, and the pertinent regulations such as latching logic of automatic inspection operation generate correct operation order.
The integrated management station is connected with other websites such as communication server, operator station, engineer stations by the centre management layer network, also is connected to imitation screen, gps satellite time dissemination system in addition on the integrated management station.The integrated management station owner will be responsible for the integrated service in the treating stations.
Imitation screen is by being connected the data message that obtains supervisory control system with the integrated management station, the main wiring diagram in full frame real-time demonstration power station; Refresh single loop winding diagram and operational factor in real time; According to the characteristics of main wiring diagram, provide split screen Pagination Display flexibly; Show contents such as our station overview, operating standard, Operating Guideline simulation, read clock, calendar, safe operation fate.
The gps satellite time dissemination system is connected with the integrated management station, by each website in integrated management station and the system to the time, for whole system provides precise time information, guarantee the reliability of functions such as remote signalling, remote measurement, remote control.
External server provides transparent fully, message reference interface intelligence, unified, realize each application system opening, share and integrated, make various information resources obtain the utilization of fullest, make things convenient for the user to pass through the operation of Internet remote monitoring equipment and the condition of production.
Applied function module in the integrated management system comprises distribution network electric energy quality supervision and analysis module, power distribution network managing power consumption and energy-conservation decision-making module, power distribution network is idle/meritorious tidal current analysis and idle work optimization module, power distribution network load modeling module and power distribution network synthesis automation module, can carry out information interaction between each module.The power distribution network synthesis energy saving integrated management system provides communication bridge for the information exchange between energy-conservation equipment in high-pressure side and the energy-conservation equipment of low-pressure side.Distribution network electric energy quality monitors with analysis module mainly monitors harmonic current, coordinates HAPF and HAPF and SVC association system and carries out overall high-efficiency harmonic improvement, improves distribution network electric energy quality.Power distribution network is idle/and meritorious tidal current analysis and idle work optimization module be by analyzing the information of each node of power distribution network, the optimization result generates instruction and gives SVC, STATCOM, HAPF, IVC, DSTATCOM and transformer by Industrial Ethernet and Optical Fiber Transmission, regulates exerting oneself of they.Power distribution network load modeling module can improve the stability of operation of power networks.Power distribution network managing power consumption and energy-conservation decision-making module can the electrical energy saving costs, increase economic efficiency.Power distribution network synthesis automation module has functions such as each node information of demonstration (voltage current waveform, meritorious, idle), network topology, warning processing, office automation.And integrated management energy conserving system network topology structure is divided into Access Layer, convergence-level, centre management layer, external four layers of service layers.
Claims (7)
1, a kind of power distribution network synthesis energy saving system, comprise energy saver and integrated management system, it is characterized in that, described energy saver is connected with link switch equipment through optical fiber, link switch equipment is connected with integrated management system by Industrial Ethernet, and wherein energy saver comprises the energy-conservation equipment of high and low pressure side.
2, according to the described power distribution network synthesis energy saving of claim 1 system, it is characterized in that the energy-conservation equipment in described high-pressure side comprises: high-power mixed active electric power filter HAPF, high voltage static reactive-load compensator SVC, HAPF and SVC association system and STATCOM STATCOM; The energy-conservation equipment of low-pressure side comprises: intelligent indoor outer reactive-load compensator IVC, power distribution network STATCOM DSTATCOM, DSTATCOM and thyristor switchable capacitor TSC association system and Active Power Filter-APF APF.
3, according to the described power distribution network synthesis energy saving of claim 2 system, it is characterized in that described HAPF and SVC association system are a kind ofly to be connected in parallel on the energy-conservation equipment that constitutes on the same points of common connection by high-power mixed active electric power filter HAPF and high voltage static reactive-load compensator SVC.
4, according to the described power distribution network synthesis energy saving of claim 2 system, it is characterized in that described DSTATCOM and thyristor switchable capacitor TSC association system are a kind ofly to be connected in parallel on the energy-conservation equipment that constitutes on the same points of common connection by a station power distribution net STATCOM DSTATCOM and a plurality of thyristor switchable capacitor TSC.
According to the described power distribution network synthesis energy saving of one of claim 1-4 system, it is characterized in that 5, described integrated management system comprises communication server, the functional module that is attached thereto and the output device that two mutual heat are equipped with.
According to the described power distribution network synthesis energy saving of claim 5 system, it is characterized in that 6, described functional module comprises integrated management station, frequency image monitoring system, Operation Ticket Expert System, external server and GPS time dissemination system.
According to the described power distribution network synthesis energy saving of claim 5 system, it is characterized in that 7, described output device is an imitation screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820054378XU CN201256293Y (en) | 2008-09-05 | 2008-09-05 | Synthetic energy saving system of power distribution network |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU200820054378XU CN201256293Y (en) | 2008-09-05 | 2008-09-05 | Synthetic energy saving system of power distribution network |
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| CN201256293Y true CN201256293Y (en) | 2009-06-10 |
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| CNU200820054378XU Expired - Lifetime CN201256293Y (en) | 2008-09-05 | 2008-09-05 | Synthetic energy saving system of power distribution network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097802A (en) * | 2009-12-10 | 2011-06-15 | 深圳先进技术研究院 | Electrical energy management system and method |
| EP2461452A4 (en) * | 2009-07-27 | 2017-01-04 | Gamesa Innovation & Technology, S.L. | System for reactive power compensation in electricity system |
-
2008
- 2008-09-05 CN CNU200820054378XU patent/CN201256293Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2461452A4 (en) * | 2009-07-27 | 2017-01-04 | Gamesa Innovation & Technology, S.L. | System for reactive power compensation in electricity system |
| CN102097802A (en) * | 2009-12-10 | 2011-06-15 | 深圳先进技术研究院 | Electrical energy management system and method |
| CN102097802B (en) * | 2009-12-10 | 2012-12-26 | 深圳先进技术研究院 | Electrical energy management system and method |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20090610 |
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| CX01 | Expiry of patent term |