CN201174591Y - Synthetic energy saving system of enterprise power distribution network - Google Patents
Synthetic energy saving system of enterprise power distribution network Download PDFInfo
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- CN201174591Y CN201174591Y CNU2008200522054U CN200820052205U CN201174591Y CN 201174591 Y CN201174591 Y CN 201174591Y CN U2008200522054 U CNU2008200522054 U CN U2008200522054U CN 200820052205 U CN200820052205 U CN 200820052205U CN 201174591 Y CN201174591 Y CN 201174591Y
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The utility model discloses an integrated energy saving system for an enterprise distribution network. A high power mixed type active electric power filter HAPF and a high voltage stationary reactive compensator SVC are connected to a 10KV side the distribution network; an intelligent type indoor and outdoor energy saving IVC and a distribution network stationary reactive generator DSTATCOM are connected to a 380V side of the distribution network. The system can promote the integrated energy conservation and consumption reduction of the enterprise, reduces the reactive tidal current of the circuit, reduces the heat of the circuit, and prolongs the service life of the enterprise distribution network. The working current of the electric machine is reduced, and the service life is prolonged. The quality of the power supply is improved and the relatively stable voltage is ensured. Compared with the conventional device, the system is more optimized in configuration and more intelligentized in equipment, and can realize overall optimization control.
Description
Technical field
The utility model relates to a kind of power distribution network synthesis energy saving technology, particularly a kind of enterprise power distribution network synthesis energy saving system.
Background technology
Energy-saving and emission-reduction as a vital task in China's Eleventh Five-Year Plan, have been not only an action target of government, and can also have been brought managerial income to enterprise, allow the city dweller can obtain a living environment preferably.Energy-saving and emission-reduction are a human the only way which must be passed that solves environmental problem especially.Enterprise is as the topmost electricity consumer in the whole nation, and the industry energy conservation consumption reduction brings economic benefit not only can for enterprise itself, and can alleviate the power supply pressure in the whole nation.According to State Grid's information network statistics, a whole nation year energy loss reached 87,500,000,000 degree in 2000; The statistics of Economy Prediction Dept of National Information Center shows that the whole nation year energy loss surpassed 200,000,000,000 degree in 2005.The reactive power compensation deficiency is the principal element that causes energy loss.
GA for reactive power optimization is to reduce important measures of network loss.Reactive power flow by idle work optimization scheduling can optimization power distribution network distributes, and reduces the active loss and the voltage loss of power distribution network, thereby improves quality of voltage, and the electricity consumption device security is moved reliably.Aspect the fail safe and economy that guarantee modern power systems, the importance of idle work optimization scheduling has obtained global concern.At present, be the normal operation that guarantees that enterprise produces, improve the electricity consumption quality of power supply, in each large enterprises' power distribution network, disposed advanced harmonic wave control and reactive power compensator, change the distribution of reactive power flow in distribution network by regulating various devices, thereby reach the purpose of wastage reducing and energy saving.
The utility model content
The utility model provides a kind of enterprise power distribution network synthesis energy saving system, dissimilar reactive power compensators is installed in the enterprise power distribution network according to different application scenarios, reach systems stabilisation voltage, improve the purpose of dynamic performance and transient stability and the improvement power supply quality of power supply, realize that enterprise power distribution network is energy-conservation.
The technical solution adopted in the utility model is: a kind of enterprise power distribution network synthesis energy saving system is mounted with high-power mixed active electric power filter HAPF and high voltage static reactive-load compensator SVC in the power distribution network high-pressure side; Low-pressure side is mounted with intelligent indoor outer energy-conservation IVC, power distribution network static reacance generator DSTATCOM and low pressure Static Var Compensator SVC; In the high-pressure side, high voltage bus is by transformer or directly connect high-power mixed active electric power filter HAPF and high voltage static reactive-load compensator SVC, the HAPF that is connected with the high-pressure side links to each other with fieldbus through the optical fiber and the optical fiber connector with SVC, and fieldbus is connected with express network with the exchange connection device through optical fiber and network; High voltage bus is connected with low-voltage bus bar by step-down transformer; In low-pressure side, low-voltage bus bar is by connecting transformer or directly connecting intelligent reactive power automatic compensation device IVC, power distribution network static reacance generator DSTATCOM and low pressure Static Var Compensator SVC; The IVC that is connected with low-pressure side, DSTATCOM link to each other with fieldbus through the optical fiber and the optical fiber connector with SVC, and fieldbus is connected with express network with the exchange connection device through optical fiber and network; Express network is connected with the enterprise power distribution network control centre by the network switch at last.
Operation principle of the present utility model is as follows:
Be mounted with high-power mixed active electric power filter HAPF in the enterprise power distribution network high-pressure side and high voltage static reactive-load compensator SVC carries out harmonic wave control and reactive power compensation; Low-pressure side is mounted with intelligent indoor outer energy-conservation IVC, power distribution network static reacance generator DSTATCOM and low pressure Static Var Compensator SVC; In the high-pressure side, high voltage bus is by transformer or directly connect high-power mixed active electric power filter HAPF and high voltage static reactive-load compensator SVC, the voltage, electric current and the frequency signal that detect each high-pressure side energy-saving equipment link to each other with fieldbus through the optical fiber and the optical fiber connector, and on-the-spot total road is connected with express network with the exchange connection device through optical fiber and network.High voltage bus is connected with low-voltage bus bar by step-down transformer.In low-pressure side, low-voltage bus bar is by connecting transformer or directly connecting intelligent reactive power automatic compensation device IVC, power distribution network static reacance generator DSTATCOM and low pressure Static Var Compensator SVC suppresses load unbalanced and flickering.The voltage, electric current and the frequency signal that detect each low-pressure side energy-saving equipment link to each other with fieldbus through the optical fiber and the optical fiber connector, and on-the-spot total road is connected with express network with the exchange connection device through optical fiber and network.Express network is connected with the enterprise power distribution network control centre by the network switch, thereby makes the monitoring of enterprise power distribution network control centre coordinate high-pressure side and low-pressure side energy-saving equipment, realizes that enterprise power distribution network is energy-saving and cost-reducing.
High-pressure side and each energy-saving equipment of low-pressure side are coordinated in the monitoring of above-mentioned enterprise power distribution network control centre, be idle work optimization scheduling strategy global collaborative harmonic wave control and reactive power compensation equipment by with the network loss minimum target, utilize Optimum Matching to inject optimum switching state and switching capacity that the stream method is obtained reactive power compensator, determine reactive power compensation equipment making time and place selection, reactive power compensator input capacity etc., thereby reduce line loss and distortion loss, realize that enterprise power distribution network is energy-saving and cost-reducing.
Benefit of the present utility model is: dissimilar reactive power compensators is installed in the enterprise power distribution network according to different application scenarios, reach systems stabilisation voltage, improve the purpose of dynamic performance and transient stability and the improvement power supply quality of power supply, for the enterprise power distribution network reactive power compensation provides a kind of comprehensive solution, reach energy-saving and cost-reducing effect.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model;
Fig. 2 is the sketch that is electrically connected of the present utility model.
Embodiment
Fig. 1 is a structured flowchart of the present utility model, carries out harmonic wave control and reactive power compensation in the mode that the 10KV side adopts high-power mixed active electric power filter (HAPF) and high voltage static reactive-load compensator (SVC) to unite use; Use low pressure Static Var Compensator SVC, intelligent powerless compensation apparatus IVC and power distribution network Static Var Compensator DSTATCOM to suppress load unbalanced and flickering in the 380V side, realize the dynamic energy-saving of low-voltage network; The voltage, electric current and the frequency signal that detect 10KV high-pressure side and each equipment of 380V low-pressure side link to each other with fieldbus through the optical fiber and the optical fiber connector, on-the-spot total road is connected with express network with the exchange connection device through optical fiber and network carries out information interaction, express network is communicated by letter with the enterprise power distribution network control centre by the network switch, thereby make the monitoring of enterprise power distribution network control centre coordinate high-pressure side and low-pressure side energy-saving equipment, realize that enterprise power distribution network is energy-saving and cost-reducing.
Fig. 2 is the sketch that is electrically connected of the present utility model.Numeral 1-28 represents electric connecting point, symbol T1-T12 indication transformer.Node 1 expression 110KV bus is that the 10KV bus is connected by step-down transformer T1 with node 2.Node 3-10 and the node 2 the same nodes that link to each other with 10KV that all are expressed as.T9 and T10 represent step-down transformer node 9 and 10 corresponding corresponding link nodes 20 and 21, and node 18-23 represents to be connected with the 380V bus.Node 11-17 and node 24-28 represent points of common connection.Easy in order to represent, each energy-saving equipment is all represented with variable capacitor.In the 10KV high-pressure side, high voltage bus is by transformer or directly connect load, high-power mixed active electric power filter HAPF and high voltage static reactive-load compensator SVC.In the 380V low-pressure side, low-voltage bus bar is by connecting transformer or directly connecting load, intelligent reactive power automatic compensation device IVC, power distribution network static reacance generator DSTATCOM and low pressure Static Var Compensator SVC.
The enterprise power distribution network control centre carries out analysis-by-synthesis by the information of the power distribution network real-time status parameter that will collect, select economically with on the compensation effect and all reach several optimum Control Node, the information of these nodes should be able to fully reflect the ruuning situation of power distribution network, multinode is when networking mode, by with the network loss minimum being the idle work optimization scheduling strategy global collaborative harmonic wave control and the reactive power compensation equipment of target, inject optimum switching state and the switching capacity that the stream method is obtained reactive power compensator with Optimum Matching, determine reactive power compensation equipment making time and place selection, reactive power compensator input capacity etc., dynamic programming method is controlled the unit reactive compensation system of a plurality of nodes, thereby reduce line loss and distortion loss, the realization enterprise power distribution network is energy-saving and cost-reducing, make each energy-saving equipment collaborative work, the final global collaborative optimal compensating that realizes the reactive power of multinode makes system reach optimum economically with on the compensation effect.Simultaneously; utilize intelligent monitoring and protective device that promulgation is carried out the live signal collection in each electricity consumption energy consumption equipment of production scene; by high performance industrial field bus technology power consumption equipment is carried out networking; thereby set up the electrical monitoring system that is fit to large size industrial enterprise; utilize energy-saving equipment and energy saving of system analysis platform simultaneously; to the energy consumption of whole power distribution network, idle and harmonic wave is monitored and optimized dispatching; form a power distribution network synthesis automated system, realized comprehensive electric energy-saving loss.
Claims (1)
1, a kind of enterprise power distribution network synthesis energy saving system is characterized in that, is mounted with high-power mixed active electric power filter HAPF and high voltage static reactive-load compensator SVC in the power distribution network high-pressure side; Low-pressure side is mounted with intelligent indoor outer energy-conservation IVC, power distribution network static reacance generator DSTATCOM and low pressure Static Var Compensator SVC; In the high-pressure side, high voltage bus is by transformer or directly connect high-power mixed active electric power filter HAPF and high voltage static reactive-load compensator SVC, the HAPF that is connected with the high-pressure side links to each other with fieldbus through the optical fiber and the optical fiber connector with SVC, and fieldbus is connected with express network through optical fiber and network or exchange connection device; High voltage bus is connected with low-voltage bus bar by step-down transformer; In low-pressure side, low-voltage bus bar is by connecting transformer or directly connecting intelligent reactive power automatic compensation device IVC, power distribution network static reacance generator DSTATCOM and low pressure Static Var Compensator SVC; The IVC that is connected with low-pressure side, DSTATCOM link to each other with fieldbus through the optical fiber and the optical fiber connector with SVC, and fieldbus is connected with express network with the exchange connection device through optical fiber and network; Express network is connected with the enterprise power distribution network control centre by the network switch at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNU2008200522054U CN201174591Y (en) | 2008-01-30 | 2008-01-30 | Synthetic energy saving system of enterprise power distribution network |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008200522054U CN201174591Y (en) | 2008-01-30 | 2008-01-30 | Synthetic energy saving system of enterprise power distribution network |
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| CN201174591Y true CN201174591Y (en) | 2008-12-31 |
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| CNU2008200522054U Expired - Fee Related CN201174591Y (en) | 2008-01-30 | 2008-01-30 | Synthetic energy saving system of enterprise power distribution network |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102148506A (en) * | 2011-05-05 | 2011-08-10 | 江苏现代电力电容器有限公司 | Reactive control system for intelligent power distribution lines |
| CN103227470A (en) * | 2013-04-01 | 2013-07-31 | 国家电网公司 | Coordinated control system of multiple static var compensators in regional power grid |
| CN104882880A (en) * | 2015-05-20 | 2015-09-02 | 河南省水利勘测设计研究有限公司 | High-voltage long-distance multi-node chain type power supply system |
| CN108155642A (en) * | 2017-12-21 | 2018-06-12 | 中国联合网络通信集团有限公司 | A kind of distribution system of data center |
-
2008
- 2008-01-30 CN CNU2008200522054U patent/CN201174591Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102148506A (en) * | 2011-05-05 | 2011-08-10 | 江苏现代电力电容器有限公司 | Reactive control system for intelligent power distribution lines |
| CN102148506B (en) * | 2011-05-05 | 2014-05-07 | 江苏现代电力电容器有限公司 | Reactive control system for intelligent power distribution lines |
| CN103227470A (en) * | 2013-04-01 | 2013-07-31 | 国家电网公司 | Coordinated control system of multiple static var compensators in regional power grid |
| CN104882880A (en) * | 2015-05-20 | 2015-09-02 | 河南省水利勘测设计研究有限公司 | High-voltage long-distance multi-node chain type power supply system |
| CN104882880B (en) * | 2015-05-20 | 2018-10-26 | 河南省水利勘测设计研究有限公司 | A kind of high pressure length is away from multinode chain type power supply system |
| CN108155642A (en) * | 2017-12-21 | 2018-06-12 | 中国联合网络通信集团有限公司 | A kind of distribution system of data center |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20170130 |