CN102738801A - Power demand responding method and system - Google Patents
Power demand responding method and system Download PDFInfo
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- CN102738801A CN102738801A CN2012101683533A CN201210168353A CN102738801A CN 102738801 A CN102738801 A CN 102738801A CN 2012101683533 A CN2012101683533 A CN 2012101683533A CN 201210168353 A CN201210168353 A CN 201210168353A CN 102738801 A CN102738801 A CN 102738801A
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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
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
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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
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
Abstract
The invention provides a power demand responding method, comprising the following steps of: connecting a power department interface with a power supply system; obtaining power supply information from the power supply system through the power department interface; analyzing a power demand on an entire power grid according to the power supply information; analyzing the power supply information and a power demand of a community according to the analysis of the power demand; generating a scheduling scheme; and executing the scheduling scheme through a demand responding device. A system corresponding to the power demand responding method comprises a power department interface device, a power demand analyzing device, a community analyzing device, a demand scheduling device and the demand responding device. With the adoption of the responding method and the responding system, the load of the power grid can be balanced; the security property of the power grid is improved; the comprehensive electric charge of a user can be reduced; and the influence of power rationing on resident lives can be avoided.
Description
Technical field
The present invention relates to electricity needs response method and responding system.
Background technology
Recent years, the power consumption sustainable growth of China, particularly electric load increases rapidly, and the anxiety of supply of electric power has become the key factor of restriction economic development.In this case, scientific management being carried out in the response of electricity needs, is the effective way that improves power consumption efficiency, reduces network load.
The electricity needs response is to combine current supply of electric power situation and user power utilization demand; Electricity needs is carried out the science response, avoid influencing the stability of electrical network, the efficient operation that improves supply network; Reduce user's electricity charge expenditure simultaneously, and avoid influence user's quality of life.Electricity needs response is the part of demand Side Management, is direct user oriented, towards electrical equipment, acts on " last kilometer " of supply network.
Last century, the seventies after the U.S. carries out electricity market reform, at first proposed the notion of electricity needs response.After this notion got into China, ins conjunction with the actual conditions of China Power, the theory that electricity needs is responded, effect, implementation method etc. had been done a lot of expansions and optimization.According to the mode of demand response, can be divided into electricity price response, exciter response, be called comprehensive response in conjunction with both response.
The electricity price response can be divided into tou power price response, Spot Price response and the response of spike electricity price etc. again.Tou power price is about to the mechanism that fixing electricity price changes the different prices of different periods into, improves electricity price in the peak of power consumption period, reduces electricity price in the low power consumption period, uses electricity in off-peak hours with guides user, guarantee the stable of electrical network with efficiently.Tou power price comprises period electricity price, holiday electricity price, seasonal electricity price etc.Spot Price promptly adopts than traditional approach price updating mechanism faster, and power supply department is according to the load variations of electrical network, accident etc., adjustment electricity price in real time in the scope of agreement in advance, and the cycle of adjustment can be 1 hour or shorter.The spike electricity price, promptly when electrical network makes a difference accident, in for example great celebration, region red-letter days etc., system adjusts electricity price temporarily, and the means of using market are that electrical network reduces load.
Exciter response is according to power supply department periodically or provisional policy, and the method in that system reliability possibly be affected or electricity price is intervened electricity consumption when higher comprises direct load control, interruptible load control, the control of Demand Side price etc.Directly load control is the instruction according to power supply department, directly adjusts the switch and the running status of electrical equipment, thus when guaranteeing power grid security the least possible user power utilization that influences.Interruptible load control is when emergency case or network load are excessive, and the part power consumption equipment is directly had a power failure, and to reduce network load, the safety that guarantees electrical network is with efficient.The Demand Side price is that electricity price is carried out confirming that afterwards the power consumption according to the user in special time is confirmed electricity price, adopts lever of price, control user's electricity consumption behavior.
At present, a kind of intelligent responding system and response method of system also do not appear, caused that network load is uneven, electric network security is poor, the user comprehensively the electric lighting bill is heavy, it is big to the influence of resident living to ration the power supply.
Summary of the invention
For solving the problems of the technologies described above; The invention provides a kind of electricity needs response method and responding system, this response method and responding system can balancing power network loads, improve the power grid security performance, reduce user's the comprehensive electricity charge, the influence to resident living of avoiding rationing the power supply.
The technical scheme that solves the problems of the technologies described above is:
A kind of electricity needs response method comprises:
Be used for power department interface and electric power system are carried out step of connecting;
Be used for obtaining to electric power system the step of power supply information through the power department interface;
Be used for the step the need for electricity of full electric network analyzed according to power supply information;
Be used for the step the power supply information and the need for electricity of community analyzed according to the analysis of need for electricity;
Be used to generate the step of scheduling scheme;
Be used for the step carried out through the demand response device according to scheduling scheme.
The responding system of realizing above-mentioned response method comprises:
Be used for obtaining to electric power system the power department interface arrangement of power supply information through the power department interface;
Be used for the need for electricity analytical equipment the need for electricity of full electric network analyzed according to power supply information;
Be used for community analysis's device of the power supply information and the need for electricity of community being analyzed according to the analysis of need for electricity;
Be used to generate the demand dispatch device of scheduling scheme;
Be used for the demand response device carried out through the demand response device according to scheduling scheme.
The method of electricity needs responding system of the present invention and response provides the means of a kind of efficient, easy-to-use, reliable industry and commerce and community's need for electricity response; Improve the transparency of power supply and electricity consumption; Accurately grasp each user's electricity consumption situation, power supply and electricity consumption are become more meticulous analyze and manage; Native system and method can make more intellectualized management need for electricity of industry and commerce and community, and reaching balancing power network load, the fail safe that can improve supply network again simultaneously reduces user's the comprehensive electricity charge, the influence to resident living of avoiding rationing the power supply.
Description of drawings
Fig. 1 is the functional block diagram of electricity needs responding system of the present invention.
Fig. 2 is the flow chart of steps of electricity needs response method of the present invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In embodiments of the present invention; Need for electricity through to industry and commerce and community is carried out scientific management and response; Directly user oriented carries out demand management, realize automatic information obtain, automatically electrical network analysis, automatic community analysis, generate automatically and the optimized dispatching scheme, carry out the interactive control of field demand response and electrical equipment automatically.
See also Fig. 1, it is an electricity needs responding system functional block diagram of the present invention.This electricity needs responding system comprises power department interface arrangement 10, need for electricity analytical equipment 11, community analysis's device 12, demand dispatch device 13 and demand response device 14.
This power department interface arrangement 10 comprises the data base set application software of unifying; Utilize webservice data-interface and the Internet passage; Real time remote obtains the open in real time issue of electric power system and specific aim is issued electricity price data such as tou power price, ladder electricity price, Spot Price; And the excitation informations of supplying power such as great celebration, directly load control, interruptible load control, Demand Side price, and, send need for electricity analytical equipment 11 to these information via encrypted transmission.
This need for electricity analytical equipment 11 comprehensively comes the data of self-contained electric system and the demand data of power consumer, in whole electrical network or regional power grid scope, analyzes, and the analysis result that obtains is passed to community analysis's device 12; Community analysis's device 12 is analyzed power supply information and need for electricity in community's scope, and analysis result is passed to demand dispatch device 13; Demand dispatch device 13 generates and optimizes the demand dispatch scheme, sends demand response device 14 to and carries out demand response.When analyzing power supply information and demand information; Fully combine electricity price demand responses such as tou power price, Spot Price, spike electricity price; With direct load control, interruptible load control, Demand Side price equal excitation demand response; And, carry out priority ordering from high to low, the preferential answering demand for security according to the order of power grid security, essential household electricity, main household electricity, controllable burden, interruptible load; Its secondary response economic needs and comfort need obtain the demand response scheme of complex optimum.
Wherein, demand response device 14 comprises electricity price responding device 141, exciter response device 142 and comprehensive responding device 143.This electricity price responding device 141 utilizes the mechanism of tou power price, Spot Price and spike electricity price, and each type load is carried out switch control and power adjustments, reaches the purpose that reduces the electricity charge, balancing power network load.This exciter response device 142 is according to the power supply policy; Adopt mode control appliance loads such as directly load control, interruptible load control and Demand Side price; Can protect electrical network, can avoid large-area power-cuts or whole summit, family again, the influence of avoiding people's live and work to be had a power failure.
Fig. 2 is the flow chart of electricity needs responding system shown in Figure 1, and this method comprises the steps:
Step S101 is used for power department interface and electric power system are carried out step of connecting;
In this step, electric power system is connected through optical fiber, bandwidth carrier or network channel with the power department interface.
Step S102 is used for obtaining to electric power system through the power department interface step of power supply information;
In this step, collect all kinds of power supply data that electric power system is issued through the power department interface, comprise electricity price data such as tou power price, Spot Price, ladder electricity price, power supply incidents such as major event, temporary scheduling, load guarantee etc.Power supply information to obtaining is carried out automatic screening, and storage is used when supplying next step analysis and processing the native system Useful Information.
Step S103 is used for the step of the need for electricity of full electric network being analyzed according to power supply information;
In this step, system analyzes the power demands in whole electrical network or the regional power grid, because the location of native system is supply network " last kilometer ", promptly electrical network is terminal, and the emphasis of therefore analyzing is at regional power grid or partial electric grid.This step is through electricity price calculating, demand statistics, accident statistics, electric network swim computational methods; Calculate the electricity needs situation of electrical network; And divide demand by community, the index of will supplying power is distributed to each community, so that can form rational scheduling scheme.Wherein power supply information comprises quantity and the energy storage state etc. of overall supply of electric power, distributed power source quantity and capacity, the energy storage device in zone; Need for electricity comprises the load priority of user distribution, user type, power consumption equipment quantity and capacity, power consumption equipment etc.
Step S104 is used for the step of the power supply information and the need for electricity of community being analyzed according to the analysis of need for electricity;
In this step, system analyzes the power supply information and the need for electricity of this community according to the result of electrical network analysis.Community is the grass-roots unit of the management of power use, has same or analogous need for electricity usually, and identical electricity price is interval.In community, system is to analysiss that become more meticulous of the power consumption equipment data acquisition information of emphasis user, emphasis load type and part throttle characteristics, and combines the ladder electricity price and the tou power price of community, obtains the confession electricity consumption balance point of the best.
Step S105 is used to generate the step of scheduling scheme;
In this step; System generates best demand response scheduling scheme according to above-mentioned analysis result, when generation and prioritization scheme, fully combines electricity price demand responses such as tou power price, Spot Price, spike electricity price; With direct load control, interruptible load control, Demand Side price equal excitation demand response; And, carry out priority ordering from high to low, the preferential answering demand for security according to the order of power grid security, essential household electricity, main household electricity, controllable burden, interruptible load; Its secondary response economic needs and comfort need obtain the demand response scheme of complex optimum.
Step S106 is used for the step of carrying out through the demand response device according to scheduling scheme;
In this step, system will generate and be transferred to the demand response device through the demand response scheduling scheme of optimizing, and operated by demand response device operation dispatching.
The said step of carrying out through the demand response device according to scheduling scheme comprises: electricity price response of step, exciter response step and comprehensive response of step.
Wherein this electricity price response of step is utilized the mechanism of tou power price, Spot Price and spike electricity price, and each type load is carried out switch control and power adjustments, reaches the purpose that reduces the electricity charge, balancing power network load.The exciter response step is according to the power supply policy; Adopt mode control appliance loads such as directly load control, interruptible load control and Demand Side price; Can protect electrical network, can avoid large-area power-cuts or whole summit, family again, the influence of avoiding people's live and work to be had a power failure.Comprehensive response of step is the combination of above-mentioned electricity price response of step and exciter response step.
The communication of field demand response can be adopted multiple mode, comprises low-voltage power carrier, small wireless network, WIFI network etc., can fully adapt to various environment, utilizes existing network channel.
Step S107, the interactive control of electrical equipment;
In this step, system resolves control command according to preset rule; And the enciphering and deciphering algorithm special-purpose according to electric power system, instruction is deciphered; According to the information of operator's input, verify its legitimacy, whether inspection has the authority of control with electric switch and appliance power; If do not possess authority; Then return the signal that refusal is controlled to the operator,, then generate the working control instruction if checking is passed through through network; Control is perhaps regulated the power of electrical equipment with the action of electric switch.
The electricity needs responding system is crossed over three macroreticulars on communication channel, promptly fiber optic network, power network and carrier channel are closely connected the three, has one's own work to do again simultaneously.When main website spread out of, signal was the mode of fiber optic network in control command; After getting into community, signal transmits on power network; After getting into building inside, signal transmits on carrier channel.Just because of this; Special processing has been done by system in the reliability of signal transmission, fail safe; Comprise signal message is encrypted, user's identity is carried out strict authentication, power carrier signal is carried out CRC check etc.; Thereby guarantee the transmission that control signal can be accurate, safe, avoid dropout, misinformation, avoid disabled user's use.
The present invention has certain perspective on system architecture and network organization mode, and the combination of cordless communication network and wireline communication network on the means of communication is with the advance that guarantees system and the validity of investment.
In whole data communication process, adopt the tcp/ip communication agreement, the various intermediate layers of maskable agreement can be regarded as the transmission of data wide area network from this power department interface arrangement 10 to the communication of the communication instruction of this need for electricity analytical equipment 11.Owing to adopt data W EB method of service based on the J2EE framework; Can avoid directly utilizing the Socket communication of bottom; The relevant international standard that meets HTTP1.1 and DATA Service; The data of transmission can be effectively through the various safety means in the wide area network, and data are through digital signature simultaneously, and itself fail safe and integrality also are guaranteed.
The concurrent transmission solution of data: the concurrent transmission of data is big bottlenecks of general network application system; Because a big system has the basic unit of huge amount to use (several ten thousand) in practical application, the prerequisite that guarantees the high-transmission success rate is the communication blocking that solves concurrent transmission.The present invention adopts the J2EE+Web service to constitute; Be the data acquisition and the data, services releasing software framework based on J2EE framework basis of enterprise-level; This system can support concurrent transmission of high-intensity data and data, services, supports the mass data inquiry, has high practicality.Wherein include four big core technologies:
1, J2EE linked system: the J2EE linked system provides the standard card cage of the EIS system integration that exists in J2EE application and the enterprise.
2, JMS (Java information service): the Java information service is a standard program interface of supporting communication system for enterprise, and purpose is to provide the common interface of the dissimilar communication systems of leap.After the Java application program utilized the communication system of JMS API and enterprise to be connected, the function that application program just can utilize communication system to provide was created and is sent message, reaches the purpose with other application system asynchronous communication.
3, JDBC API: it is the standard interface integrated with system R.Application program obtains other database function of database connection, data query and execution with this interface.
4, Web Services: allow EIS that some service access points are provided, new application can be obtained data through these points, also can submit data to.
Electricity needs response management of the present invention system utilizes the advanced communication technology, computer and network technology, is industry and commerce or community users science, ordered electric, and science response need for electricity provides a practicable solution.It can make full use of all kinds of communication medias, makes administrative staff can grasp each user's information such as power consumption and electricity consumption trend anywhere or anytime, Long-distance Control electricity consumption as required, and the Pinggu of also can the setting scheme avoiding the peak hour reduces power consumption.Application of the present invention is mainly all kinds of industry and commerce, community's power consumer etc.
From the above, the present invention is based on the data, services of J2EE framework, solve concurrent transmission bottleneck problem, data, services and the data verification of powerful Web Data Service based on J2EE are provided.Adopt the present invention; The operation cost of electricity needs response management system is reduced greatly, and reliability and fail safe are greatly improved, and make system really have practicality; Improve the using electricity automation level of final power consumer, promote the orderly development of power supply, distribution, electricity consumption each side.
In sum; The invention solves and existingly in the prior art should carry out the response of comprehensive need for electricity all kinds of power consumers; Solve contradictory problems such as power supply shortage, network load are heavier again, solve the problem that when number of users is huge, is prone to cause network congestion simultaneously.When carrying out the field demand response; Through before the network sending controling instruction, earlier control command is carried out password authentification and MD5/SHA1 encryption, in whole transmission course, all use encrypted test mode; And make full use of passages such as wireless network, the Internet, local area network (LAN); Thereby make full use of Internet resources, avoid network congestion, fully guarantee the integrality and the fail safe of control command simultaneously.Wherein, main station system adopts the method for J2EE+WebService, uses the Weblogic middleware system, can support 1～20,000 end user's access simultaneously, adapts to all kinds of industry and commerce, the community users of domestic all regions.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. electricity needs response method is characterized in that comprising:
Be used for power department interface and electric power system are carried out step of connecting;
Be used for obtaining to electric power system the step of power supply information through the power department interface;
Be used for the step the need for electricity of full electric network analyzed according to power supply information;
Be used for the step the power supply information and the need for electricity of community analyzed according to the analysis of need for electricity;
Be used to generate the step of scheduling scheme;
Be used for the step carried out through the demand response device according to scheduling scheme.
2. electricity needs response method according to claim 1 is characterized in that: described power supply information comprises tou power price, Spot Price, ladder electricity price and major event, temporary scheduling, load guarantee.
3. electricity needs response method according to claim 1; It is characterized in that: the said step of the need for electricity of full electric network being analyzed according to power supply information is meant through electricity price calculating, demand statistics, accident statistics, electric network swim computational methods; Calculate the electricity needs situation of electrical network; And divide demand by community, the index of will supplying power is distributed to each community.
4. electricity needs response method according to claim 1 is characterized in that: the said step of carrying out through the demand response device according to scheduling scheme comprises: electricity price response of step, exciter response step and comprehensive response of step.
5. electricity needs response method according to claim 4 is characterized in that: the electricity price response of step comprises: tou power price response of step, Spot Price response of step and spike electricity price response of step; Wherein,
The tou power price response of step is for to classify to the load type of power consumption equipment through the electricity price responding device; Utilize the electricity price between peak and valley of electrical network, actuating section load when low ebb is closed during the peak or is reduced sub-load; Thereby reduce electricity charge expenditure, and guarantee the stable and efficient of electrical network;
The Spot Price response of step is switch and the power according to Spot Price adjustment electrical equipment;
Spike electricity price response of step is meant that the previous day is carried by system or a week is obtained electricity price from power supply department, and the production scheduling scheme is adjusted appliance power automatically during electricity consumption.
6. electricity needs response method according to claim 4 is characterized in that: the exciter response step comprises direct load controlled step, interruptible load controlled step, Demand Side price controlled step.
7. electricity needs responding system is characterized in that comprising:
Be used for obtaining to electric power system the power department interface arrangement of power supply information through the power department interface;
Be used for the need for electricity analytical equipment the need for electricity of full electric network analyzed according to power supply information;
Be used for community analysis's device of the power supply information and the need for electricity of community being analyzed according to the analysis of need for electricity;
Be used to generate the demand dispatch device of scheduling scheme;
Be used for the demand response device carried out through the demand response device according to scheduling scheme.
8. electricity needs responding system according to claim 7 is characterized in that: the demand response device comprises electricity price responding device, exciter response device and comprehensive responding device.
9. electricity needs responding system according to claim 7; It is characterized in that: the power department interface arrangement connects electric power system through optical fiber, bandwidth carrier or network channel; Obtain power supply information, power supply information comprises tou power price, ladder electricity price, Spot Price and preferential electricity price.
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