CN103955765A - Micro power source capacity configuring method based on power generation capability evaluation and load classification - Google Patents
Micro power source capacity configuring method based on power generation capability evaluation and load classification Download PDFInfo
- Publication number
- CN103955765A CN103955765A CN201410175991.7A CN201410175991A CN103955765A CN 103955765 A CN103955765 A CN 103955765A CN 201410175991 A CN201410175991 A CN 201410175991A CN 103955765 A CN103955765 A CN 103955765A
- Authority
- CN
- China
- Prior art keywords
- micro
- micro power
- power supply
- electrical network
- user
- 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.)
- Pending
Links
Abstract
The invention discloses a micro power source capacity configuring method based on power generation capability evaluation and load classification. Micro power sources of the method include wind energy, solar energy, a storage battery and other types of micro power sources including a fuel machine. The micro power source capacity configuring method is characterized in that constraint conditions of micro power source output power and environmental parameters are established according to wind force and solar energy resource evaluation data of a micro power grid construction field, meanwhile, classification setting of loads is finished according to power demand features of the loads of a micro power grid, wherein the powder demand features are provided by a user, an evaluation system of load significance is established, and on the basis, micro power source capacity configuring schemes suitable for being set under a micro power grid framework and for the user to select are generated. According to the micro power grid structure selected by the user and the set constraint conditions, renewable energy resource distribution conditions of the micro power grid construction field are synthesized, the basis is provided for correctly setting the capacities of various micro power sources, the reliable operation of a micro power grid system is ensured, and the investment of the micro power grid system is saved.
Description
Technical field
The present invention relates to micro-grid system, particularly the Optimal Configuration Method of the micro-power supply capacity of a kind of micro-electrical network.
Background technology
Micro-electrical network, as the important component part of intelligent grid, is the important new and high technology of promoting new forms of energy, saving energy and reduce the cost, reduce carbon emission amount.Various regenerative resources and other forms of micro-power supply, in bringing energy-saving effect, have also brought many new problems.Bring threat from promoting sustainability, security and the enthusiasm of power supply, distribute decline the also stability to electrical network that is connected of electrical network and main electrical network.Especially the use of large number of intermittently formula regenerative resource in distribution declines power supply, these power supply energy can not continued power, also cannot accurately predict, has brought a difficult problem to the energy equilibrium of micro-electrical network.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of Optimal Configuration Method that is applicable to the micro-power supply capacity of micro-electrical network, under the prerequisite that takes into full account micro-electric power netting safe running, in conjunction with fan-out capability and the undulatory property of all kinds of micro-power supplys, provide the optimum capacity configuration of micro-power supply under the micro-electric network composition that is applicable to micro-electrical network location and user's setting.
In order to achieve the above object, the present invention has taked following technical scheme:
A kind of micro-power supply capacity collocation method based on generating capacity assessment and load classification, its micro-power type comprises wind energy, sun power, accumulator and oil-burning machine are at the interior micro-power supply of other forms, it is characterized in that: according to the wind-force on micro-power grid construction ground, solar energy resources assessment data is set up the constraint condition of micro-output power of power supply and environmental parameter, the electricity needs feature of the micro-electrical network load providing according to user completes the classification setting of load simultaneously, set up the evaluation system of load important, what generation can be selected for user on this basis is suitable for setting the micro-power supply capacity allocation plan under micro-electrical network framework.
The described Optimal Configuration Method that is applicable to the micro-power supply capacity of micro-electrical network, considers undulatory property and the uncertainty of delivery of electrical energy in micro-electrical network, using the configuration scope of capacity as the constraint condition of optimizing;
The described Optimal Configuration Method that is applicable to the micro-power supply capacity of micro-electrical network, can optimize constraint condition according to user's setting and modifying.
Advantage of the present invention and good effect are:
Micro-electric network composition that the present invention chooses according to user and the constraint condition of setting, the regenerative resource distribution situation on comprehensive micro-power grid construction ground, for the capacity that all kinds of micro-power supplys are correctly set provides foundation, ensure the reliability service of micro-grid system, save the investment of micro-grid system.
Brief description of the drawings
Fig. 1 is implementation step figure of the present invention.
Embodiment
The invention provides a kind of Optimal Configuration Method that is applicable to the micro-power supply capacity of micro-electrical network, under the prerequisite that takes into full account micro-electric power netting safe running, in conjunction with fan-out capability and the undulatory property of all kinds of micro-power supplys, provide the optimum capacity configuration of micro-power supply under the micro-electric network composition that is applicable to micro-electrical network location and user's setting.
For making object of the present invention, technical scheme and effect clearer, clear and definite, referring to process flow diagram shown in accompanying drawing 1, the present invention is described in more detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
1) analyzing on the basis of the inner each component working characteristic of micro-electrical network, particularly on the basis of analyzing energy storage component charge-discharge characteristic, generating characteristics of components, electricity consumption load compensation characteristic and the division of load priority level, the characteristic of the micro-power supply of routine inside is being studied.
2) by analyzing electric current and flow of power feature between micro-power supply, under comparative analysis normal operative condition and for example, under non-normal working situation (: power supply sudden change, load changing and single-phase sudden change conditions are inferior), moving, the steady-state characteristic of certain micro-power supply main electrical parameters and the corresponding electric parameter of all the other micro units, carry out the abstract and modeling of micro-power supply and load on this basis.
3) substituted by regional feature, weather conditions, season according to the duty of micro-power supply and load in micro-electrical network and the feature of variable effect round the clock, utilize statistical correlation analysis method, the multiple variablees that affect micro-network operation are carried out to right assessment, obtain micro-power supply generating capacity assessment and load classification results under different external condition.
4) by evaluating the power on micro unit impact such as electric current between main micro-power supply, the crucial electric parameter such as meritorious, idle, structure is by the optimized mathematical model of micro-electrical network of the micro-electric power generating composition of finite population.
5), according to the weight of the optimization aim functions such as the economic benefit of user's setting, renewable energy utilization rate, the quality of power supply, what generation can be selected for user is suitable for setting the micro-power supply capacity allocation plan under micro-electrical network framework.
6) configuration result is carried out to simulation analysis and assessment, as rationally capacity configuration success of result, as unreasonablely in result need user to reset objective function weight to obtain new capacity configuration result.
Claims (3)
1. the micro-power supply capacity collocation method based on generating capacity assessment and load classification, its micro-power type comprises wind energy, sun power, accumulator and oil-burning machine are at the interior micro-power supply of other forms, it is characterized in that: according to the wind-force on micro-power grid construction ground, solar energy resources assessment data is set up the constraint condition of micro-output power of power supply and environmental parameter, the electricity needs feature of the micro-electrical network load providing according to user completes the classification setting of load simultaneously, set up the evaluation system of load important, what generation can be selected for user on this basis is suitable for setting the micro-power supply capacity allocation plan under micro-electrical network framework.
2. the Optimal Configuration Method that is applicable to the micro-power supply capacity of micro-electrical network according to claim 1, is characterized in that: consider undulatory property and the uncertainty of delivery of electrical energy in micro-electrical network, using the configuration scope of capacity as the constraint condition of optimizing;
3. the Optimal Configuration Method that is applicable to the micro-power supply capacity of micro-electrical network according to claim 1, is characterized in that: can optimize constraint condition according to user's setting and modifying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410175991.7A CN103955765A (en) | 2014-04-25 | 2014-04-25 | Micro power source capacity configuring method based on power generation capability evaluation and load classification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410175991.7A CN103955765A (en) | 2014-04-25 | 2014-04-25 | Micro power source capacity configuring method based on power generation capability evaluation and load classification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103955765A true CN103955765A (en) | 2014-07-30 |
Family
ID=51333038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410175991.7A Pending CN103955765A (en) | 2014-04-25 | 2014-04-25 | Micro power source capacity configuring method based on power generation capability evaluation and load classification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103955765A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104392394A (en) * | 2014-11-20 | 2015-03-04 | 四川大学 | Detection method for energy storage margin of micro-grid |
| CN106022627A (en) * | 2016-05-27 | 2016-10-12 | 国家电网公司 | Energy storage application value evaluation method and system based on data processing |
| CN111626509A (en) * | 2020-05-27 | 2020-09-04 | 国网河南省电力公司经济技术研究院 | Method and system for evaluating effective supply capacity of regional new energy |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130024243A1 (en) * | 2011-07-20 | 2013-01-24 | Nec Laboratories America, Inc. | Systems and methods for optimizing microgrid capacity and storage investment under environmental regulations |
| CN103414213A (en) * | 2013-08-13 | 2013-11-27 | 中国能源建设集团广东省电力设计研究院 | Power supply optimal configuration method for sea island type micro-grid |
| CN103530823A (en) * | 2013-10-25 | 2014-01-22 | 湖南大学 | Comprehensive microgrid planning and design evaluation system based on OTFN-AHP |
| CN103745268A (en) * | 2013-10-29 | 2014-04-23 | 上海电力学院 | Distributed power supply-containing microgrid multi-target optimization scheduling method |
-
2014
- 2014-04-25 CN CN201410175991.7A patent/CN103955765A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130024243A1 (en) * | 2011-07-20 | 2013-01-24 | Nec Laboratories America, Inc. | Systems and methods for optimizing microgrid capacity and storage investment under environmental regulations |
| CN103414213A (en) * | 2013-08-13 | 2013-11-27 | 中国能源建设集团广东省电力设计研究院 | Power supply optimal configuration method for sea island type micro-grid |
| CN103530823A (en) * | 2013-10-25 | 2014-01-22 | 湖南大学 | Comprehensive microgrid planning and design evaluation system based on OTFN-AHP |
| CN103745268A (en) * | 2013-10-29 | 2014-04-23 | 上海电力学院 | Distributed power supply-containing microgrid multi-target optimization scheduling method |
Non-Patent Citations (1)
| Title |
|---|
| 柯人观: "微电网典型供电模式及微电源优化配置研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104392394A (en) * | 2014-11-20 | 2015-03-04 | 四川大学 | Detection method for energy storage margin of micro-grid |
| CN104392394B (en) * | 2014-11-20 | 2017-05-31 | 四川大学 | A kind of detection method of micro-capacitance sensor energy storage nargin |
| CN106022627A (en) * | 2016-05-27 | 2016-10-12 | 国家电网公司 | Energy storage application value evaluation method and system based on data processing |
| CN111626509A (en) * | 2020-05-27 | 2020-09-04 | 国网河南省电力公司经济技术研究院 | Method and system for evaluating effective supply capacity of regional new energy |
| CN111626509B (en) * | 2020-05-27 | 2022-09-09 | 国网河南省电力公司经济技术研究院 | Method and system for evaluating effective supply capacity of regional new energy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102244677B (en) | Green energy Cloud computing method and system | |
| CN103903073A (en) | Planning method and system for optimizing micro-grid containing distributed power sources and stored energy | |
| CN104715340A (en) | Cloud computing energy management system and method based on green energy resources | |
| CN103248064A (en) | Composite energy charging energy storage system and method thereof | |
| Amirthalakshmi et al. | A novel approach in hybrid energy storage system for maximizing solar PV energy penetration in microgrid | |
| CN111009895B (en) | Microgrid optimal scheduling method, system and equipment | |
| CN105117805A (en) | Optimized scheduling method and system based on virtual power plant of electric vehicle | |
| CN103326388A (en) | Power prediction based micro-grid energy storage system and capacity configuration method | |
| Hu et al. | Capacity configuration optimization for island microgrid with wind/solar/pumped storage considering demand response | |
| Li et al. | Optimized operation of hybrid system integrated with MHP, PV and PHS considering generation/load similarity | |
| CN105656026A (en) | Equipment construction resource configuration method and system of renewable energy sources | |
| CN103326389A (en) | Power prediction based micro-grid energy storage system and capacity configuration method | |
| CN103971183B (en) | The Optimizing Site Selection and capacity collocation method of a kind of photovoltaic plant | |
| CN103955765A (en) | Micro power source capacity configuring method based on power generation capability evaluation and load classification | |
| Vendoti et al. | GA based optimization of an stand-alone hybrid renewable energy system for electrification in a cluster of villages in India | |
| CN106356906A (en) | Energy conservation control method and system based on microgrid | |
| Song et al. | Distributed wind power and photovoltaic energy storage capacity configuration method under big data | |
| CN115619159A (en) | Intelligent park energy consumption analysis scheduling method and system | |
| CN103280823B (en) | Power grid real-time and automatic scheduling strategy based on mobile energy storage equipment | |
| CN102520273B (en) | Energy-saving detection method of large generator set | |
| CN111064212A (en) | Cluster type self-organizing energy storage and distribution system and construction method | |
| Shamshiri et al. | Battery energy storage system sizing for high penetration of solar photovoltaic systems in low voltage distribution network | |
| CN105337300A (en) | Exchange power control method and device during microgrid accessed to power distribution network | |
| Nan et al. | Optimal Configuration of Energy Storage Capacity considering Generalized Energy Storage Resource Dispatching | |
| Wang et al. | Economic Analysis of 4MW Distributed Photovoltaic Power Generation Project Based on PVsyst Software Simulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140730 |