CN106208120A - A kind of hybrid energy accumulation current converter energy dispensing control method - Google Patents
A kind of hybrid energy accumulation current converter energy dispensing control method Download PDFInfo
- Publication number
- CN106208120A CN106208120A CN201610860690.7A CN201610860690A CN106208120A CN 106208120 A CN106208120 A CN 106208120A CN 201610860690 A CN201610860690 A CN 201610860690A CN 106208120 A CN106208120 A CN 106208120A
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- China
- Prior art keywords
- energy
- storage units
- unit
- soc
- current converter
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- 238000009825 accumulation Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004146 energy storage Methods 0.000 claims abstract description 49
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 230000005587 bubbling Effects 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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- H02J13/0013—
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/14—Energy storage units
-
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
Abstract
The present invention relates to a kind of hybrid energy accumulation current converter energy dispensing control method, comprise the following steps: (1), obtain charging and discharging capabilities value Q of each energy-storage units by the fixing cycle1、Q2…Qi…QN, SOC SOC1、SOC2…SOCi…SOCN(N is energy-storage units number) and current energy accumulation current converter total charging and discharging capabilities Q of required allotmentz；(2), basisCalculate factor of influence Ei, (3), according to bubbling method N number of factor of influence carried out sequence from small to large, and the energy-storage units order rearranged is drawn according to ranking results；(4), according to the required energy-storage units selected of charge and discharge mode combination.Each energy storage units of hybrid energy-storing current transformer can be allocated by the present invention effectively.
Description
Technical field
The present invention relates to electric and electronic power converter technique field and field of micro-grid operational control, particularly relate to a kind of mixed
Box-like energy accumulation current converter energy concocting method.
Background technology
Energy accumulation current converter, as the important component part of micro-capacitance sensor, is handed in order to realize energy between electrical network and energy-storage units
Change.Owing to the multiformity of energy-storage units and energy-storage units are in the different characteristics of the aspects such as performance, capacity, state-of-charge, in order to turn
The energy accumulation current converter of transducing can possess multiple energy-storage units energy storage device, forms hybrid energy accumulation current converter, with satisfied difference
Energy scheduling demand in the case of dispatching of power netwoks, to improve micro-capacitance sensor internal power surge suppression capability, to improve micro-capacitance sensor voltage
Random fluctuation rejection ability.And when same energy accumulation current converter is simultaneously worked in for multiple energy-storage units, how to solve multiple storage
Energy unit participates in the issue of priority of energy allotment work, does not the most still have preferable solution.
Summary of the invention
In order to solve above-mentioned technical problem, it is provided that a kind of by judge each energy-storage units state-of-charge, charging and discharging capabilities and
Energy-storage system required allotment instantaneous power size carries out energy distribution to various energy-storage units, can each to hybrid energy-storing current transformer
The energy dispensing control method that individual energy storage units is allocated effectively, the present invention provides techniques below scheme:
A kind of hybrid energy accumulation current converter energy dispensing control method, comprises the following steps:
(1) charging and discharging capabilities value Q of each energy-storage units, is obtained by the fixing cycle1、Q2…Qi…QN, SOC
SOC1、SOC2…SOCi…SOCNNeeded for (N is energy-storage units number, 1≤i≤N) and current energy accumulation current converter, allotment is always filled
Discharge capability Qz；
(2), basisCalculate factor of influence Ei, wherein x is SOCiAffect coefficient, it takes
Value is:
(3), according to bubbling method, N number of factor of influence is carried out sequence from small to large, and draw again according to ranking results
The energy-storage units order Q ' of arrangement1、Q’2…Q’3…Q’N；
(4), according to the required energy-storage units selected of charge and discharge mode combination, when energy accumulation current converter need to be charged, from
The unit of factor of influence minimum is combined, and a combination thereof need to meet:Wherein 0 ＜ k≤N, until full
Till foot power adjustment demand or whole energy-storage units have the most all been allocated；When energy accumulation current converter need to discharge, from impact
The unit of factor maximum is combined, and a combination thereof need to meet:Wherein 0 ＜ k≤N, until meeting merit
Till rate allotment demand or whole energy-storage units have all been allocated.
Further, including an AC/DC unit, two-way DC/DC unit no less than two, respectively with two-way DC/DC
Energy-storage units, controller and the system scheduling module that unit connects；Described AC/DC unit AC by switch with electrical network or
Person loads connection, DC side is connected with DC/DC unit by dc bus, and in parallel between each DC/DC unit；Described controller
The each energy-storage units of AC/DC is connected respectively, by holding wire with AC/DC unit, each two-way DC/DC unit even by communication bus
Connect；Described system scheduling module is connected with controller by RS485/ or Ethernet, sends instructions to controller.
Further, the one during described communication bus is RS485 or CAN.
Further, the one during described system scheduling module is EMS or host computer.
The beneficial effects of the present invention is: by judging each energy-storage units state-of-charge, charging and discharging capabilities and energy-storage system
Required allotment instantaneous power size carries out energy distribution to various energy-storage units, can deposit each energy of hybrid energy-storing current transformer
Storage unit is allocated effectively；Energy-storage units for same type is obtained in that preferable discharge and recharge concordance, dissimilar
Energy-storage units will the most successively be charged or discharge.
Accompanying drawing explanation
Fig. 1, the allotment flow chart of energy dispensing control method of the present invention.
Fig. 2, use the hybrid energy accumulation current converter structural representation of energy dispensing control method of the present invention.
Detailed description of the invention
Use hybrid energy accumulation current converter as shown in Figure 2 to carry out energy allotment to control, described hybrid energy accumulation current converter
Including an AC/DC unit, two-way DC/DC unit no less than two, the energy storage list that is connected with two-way DC/DC unit respectively
Unit, controller and system scheduling module；Described AC/DC unit AC is connected with electrical network or load by switch, direct current
Side is connected with DC/DC unit by dc bus, and in parallel between each DC/DC unit；Described controller is divided by communication bus
Not Lian Jie each energy-storage units of AC/DC, by holding wire be AC/DC unit, each two-way DC/DC unit provide drive signal；Described
System scheduling module is connected with controller by RS485/ or Ethernet, sends instructions to controller；Described system call mould
Block can time EMS or host computer.
The energy allotment control flow of above-mentioned hybrid energy accumulation current converter is as it is shown in figure 1, controller is by Fig. 2 when starting
Communication bus gather the charging and discharging capabilities of each energy-storage units and state-of-charge, calculate the factor of influence of N number of energy-storage units, right
The factor of influence of N number of energy-storage units is ranked up by bubbling method, it is judged that system command is charging or electric discharge；
If system command is charging, in N number of factor of influence, one that first selects minimum preferential as charging energy-storing list
Unit, as this energy-storage units can not meet requirement, then in N-1 factor of influence, selects the energy storage list that factor of influence is minimum
Unit and first energy-storage units combination, by that analogy, until the energy-storage units combination selected meets system charging instruction demand；
If system command is electric discharge, then in N-1 factor of influence, one that first selects maximum preferential as electric discharge storage
Energy unit, as this energy-storage units can not meet requirement, then in N-1 factor of influence, selects the storage that factor of influence is maximum
Energy unit and first energy-storage units combination, by that analogy, until the energy-storage units selected meets system discharge instruction demand.
With above-mentioned foundation desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff is complete
Various change and amendment can be carried out in the range of without departing from this invention technological thought.This invention technical
Scope is not limited to the content in description, it is necessary to determine its technical scope according to right.
Claims (4)
1. a hybrid energy accumulation current converter energy dispensing control method, it is characterised in that comprise the following steps: (1), by fixing
Cycle obtain each energy-storage units charging and discharging capabilities value Q1、Q2…Qi…QN, SOC SOC1、SOC2…SOCi…SOCN
(N is energy-storage units number, 1≤i≤N) and current energy accumulation current converter total charging and discharging capabilities Q of required allotmentz；
(2), basisCalculate factor of influence Ei, wherein x is SOCiAffect coefficient, its value is:
(3), according to bubbling method N number of factor of influence carried out sequence from small to large, and draws according to ranking results and rearrange
Energy-storage units order Q'1、Q'2…Q'3…Q'N；
(4), according to the required energy-storage units selected of charge and discharge mode combination, when energy accumulation current converter need to be charged, from impact
The unit of factor minimum is combined, and a combination thereof need to meet:Wherein 0 ＜ k≤N, until meeting merit
Till rate allotment demand or whole energy-storage units have the most all been allocated；When energy accumulation current converter need to discharge, from factor of influence
Maximum unit is combined, and a combination thereof need to meet:Wherein 0 ＜ k≤N, adjusts until meeting power
Join demand or till all energy-storage units has the most all been allocated.
2. use the hybrid energy storage unsteady flow of hybrid energy accumulation current converter energy dispensing control method as claimed in claim 1
Device, it is characterised in that: include an AC/DC unit, two-way DC/DC unit no less than two, respectively with two-way DC/DC unit
Energy-storage units, controller and the system scheduling module connected；Described AC/DC unit AC is by switch and electrical network or bears
Carry connection, DC side is connected with DC/DC unit by dc bus, and in parallel between each DC/DC unit；Described controller passes through
Communication bus connects each energy-storage units of AC/DC respectively, is connected with AC/DC unit, each two-way DC/DC unit by holding wire；Institute
State system scheduling module to be connected with controller by RS485/ or Ethernet, send instructions to controller.
A kind of hybrid energy accumulation current converter the most as claimed in claim 2, it is characterised in that: described communication bus be RS485 or
One in CAN.
A kind of hybrid energy accumulation current converter the most as claimed in claim 2, it is characterised in that: described system scheduling module is energy
One in management system or host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610860690.7A CN106208120B (en) | 2016-09-28 | 2016-09-28 | A kind of hybrid energy accumulation current converter energy dispensing control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610860690.7A CN106208120B (en) | 2016-09-28 | 2016-09-28 | A kind of hybrid energy accumulation current converter energy dispensing control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106208120A true CN106208120A (en) | 2016-12-07 |
| CN106208120B CN106208120B (en) | 2019-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610860690.7A Active CN106208120B (en) | 2016-09-28 | 2016-09-28 | A kind of hybrid energy accumulation current converter energy dispensing control method |
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| CN (1) | CN106208120B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681671A (en) * | 2017-11-03 | 2018-02-09 | 华泰慧能（北京）能源技术有限公司 | A kind of battery energy storage system for considering priority level participates in the control method of power grid frequency modulation |
| CN108808712A (en) * | 2017-04-28 | 2018-11-13 | 中国电力科学研究院 | A kind of mixed energy storage system complimentary control method and system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997052A (en) * | 2014-04-23 | 2014-08-20 | 国家电网公司 | A method for controlling the active power of multiple energy-storage power stations |
| WO2014136705A1 (en) * | 2013-03-04 | 2014-09-12 | 株式会社 東芝 | Secondary cell system having plurality of cells, and method for distributing charge/discharge electric power |
-
2016
- 2016-09-28 CN CN201610860690.7A patent/CN106208120B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014136705A1 (en) * | 2013-03-04 | 2014-09-12 | 株式会社 東芝 | Secondary cell system having plurality of cells, and method for distributing charge/discharge electric power |
| CN103997052A (en) * | 2014-04-23 | 2014-08-20 | 国家电网公司 | A method for controlling the active power of multiple energy-storage power stations |
Non-Patent Citations (1)
| Title |
|---|
| 刘皓明等: "可平抑高渗透分布式光伏发电功率波动的储能电站调度策略", 《高压电技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808712A (en) * | 2017-04-28 | 2018-11-13 | 中国电力科学研究院 | A kind of mixed energy storage system complimentary control method and system |
| CN108808712B (en) * | 2017-04-28 | 2021-06-29 | 中国电力科学研究院 | Power complementary control method and system for hybrid energy storage system |
| CN107681671A (en) * | 2017-11-03 | 2018-02-09 | 华泰慧能（北京）能源技术有限公司 | A kind of battery energy storage system for considering priority level participates in the control method of power grid frequency modulation |
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| CN106208120B (en) | 2019-04-09 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170119 Address after: 230022 Jinzhai Road, Shushan District, Anhui, No. 73, No. Applicant after: Anhui Xinli Electric Utility Technology Consulting Co., Ltd. Applicant after: Anhui University Address before: 230039 Hefei West Road, Anhui, No. 3 Applicant before: Anhui University |
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| CB03 | Change of inventor or designer information |
Inventor after: Zhao Long Inventor after: Huang Debao Inventor after: Li Delin Inventor after: Yang Xian Inventor before: Zhao Long Inventor before: Rui Tao Inventor before: Hu Cungang |
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