CN106684468A - Storage battery array multiobjective optimization design method - Google Patents
Storage battery array multiobjective optimization design method Download PDFInfo
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- CN106684468A CN106684468A CN201610534390.XA CN201610534390A CN106684468A CN 106684468 A CN106684468 A CN 106684468A CN 201610534390 A CN201610534390 A CN 201610534390A CN 106684468 A CN106684468 A CN 106684468A
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- Prior art keywords
- accumulator
- array
- cell batteries
- storage battery
- cost
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- 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
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a storage battery array multiobjective optimization design method. The two largest numbers of continuous rainy days and the smallest number of interval days are comprehensively considered to effectively ensure the power distribution reliability of equipment in the rainy period. The storage battery cell price, the storage battery series-parallel connection number, the potential fault probability of the storage battery in the normal life cycle, and the potential fault probability of the connecting cable are utilized to calculate the total cost and potential fault probability of the array, thereby providing certain evaluation on the array economy and power distribution reliability. The array economy and power distribution reliability of the storage battery are comprehensively considered to further calculate the integrative coefficient of the array. The minimum value of the integrative coefficient of the array is selected as the optimum design scheme, thereby effectively enhancing the comprehensive properties of the storage battery array. Compared with the prior art, the method has the advantages of low cost, high power distribution reliability and the like.
Description
Technical field
The present invention relates to a kind of accumulator array design, more particularly to a kind of accumulator array multi-objective optimization design of power side
Method.
Background technology
With the continuous development of batteries to store energy technology, accumulator cell charging and discharging number of times and its safety etc. are constantly carried
Height, solar electric power supply system are widely used in the load of the fields such as on-line monitoring system, communication system, but how to design economy
And reliable accumulator array of powering but does not form unified method.
Majority accumulator array is being designed without the consideration most short space-number of most long continuous wet weather twice at present, when twice most
When the continuous wet weather space-number of length is less, as accumulator does not have timely electric energy supplement to will be unable to ensure most long continuous wet weather for the second time
It when reliable power supply;Some methods are although it is contemplated that most long continuous wet weather most short space-number twice, but do not account for accumulator and fill
Electrical efficiency, array economy and power supply reliability, cause accumulator array relatively costly or power supply reliability is poor.
The content of the invention
The present invention be directed to the problem that accumulator array design is present, it is proposed that a kind of accumulator array multiple-objection optimization sets
Meter method, the accumulator array good economy performance designed, power supply reliability are high.
The technical scheme is that:A kind of accumulator array multi-objective optimization design of power method, specifically includes following steps:
1) output voltage U is designed by accumulator arrayBOWith cell batteries rated voltage UBBAsk for accumulator series connection
Number;
2) according to load rating power WLMost long continuous overcast and rainy days NL, ask for accumulator array minimum total capacity QBmin;
3) accumulator sets accumulator parallel connection number N according to environmentBVInitial value is permission minima;
4) according to array minimum total capacity QBminCell batteries minimum capacity Q is asked for accumulator connection in series-parallel numberB0minAnd
Choose corresponding cell batteries, actual accumulator capacity Q chosenBOQ should be not less thanBomin;
5) accumulator of same nominal voltage is used as data base, using in data base maximum cell batteries rated capacity as
Screening conditions, judging whether cell batteries capacity exceedes allows maximum cell batteries capacity, if it is not, choosing, proceeds to step
6), if so, do not select, then proceed to step 7);;
6) according to cell batteries price, accumulator connection in series-parallel number, incipient fault of the accumulator in normal life cycle
Probability and connection cables incipient fault probability are asked for the cost of accumulator first of array, change accumulator cost, accumulator connection
Cable cost, array totle drilling cost and array incipient fault probability, and preserve each result of calculation;
7) judge whether accumulator parallel connection number is to allow maximum, if it is not, then proceeding to step 8), if so, then proceed to step
9);
8) accumulator parallel connection number Jia 1 certainly, and proceeds to step 4);
9) consider array economy and power supply reliability, calculate the array synthetic coefficient of correspondence accumulator parallel connection number;
10) by comparing the design for choosing array synthetic coefficient minimum, design terminates.
The step 6) specific formula for calculation is as follows:
N=NBHNBV
Y0B=nMB
YDB=KDB(n+NBV-2)MB
YB=Y0B+YHB+YDB
PBAPF=1- (1-PBPF)n(1-PWPF)2n
In formula:N be cell batteries quantity, Y0BFor the cost of accumulator first of array, YHBFor change accumulator cost,
YDBFor storage battery connecting line cable cost, YBFor array totle drilling cost, PBAPFFor array incipient fault probability;NBHConnect for accumulator
Number, NBVFor accumulator parallel connection number, MBFor cell batteries price;PBPFThe incipient fault for being accumulator in normal life cycle
Probability, KDBFor cell batteries connection cables cost coefficient, PWPFFor connection cables incipient fault probability.
The step 9) in array synthetic COEFFICIENT KBComputing formula be:
In formula:YBminFor the minimum total price in all accumulator array schemes.
The beneficial effects of the present invention is:Accumulator array multi-objective optimization design of power method of the present invention, by considering
Most long continuous overcast and rainy days and its most short interval natural law, can effectively ensure that power supply reliability of the equipment in overcast and rainy period equipment twice
Property;The incipient fault probability in normal life cycle and company by cell batteries price, accumulator connection in series-parallel number, accumulator
Wiring cable incipient fault probability asks for array totle drilling cost and array incipient fault probability, and array economy and power supply reliability are had
It is certain to evaluate, consider accumulator array economy and power supply reliability, further ask for array synthetic coefficient, choose array
Coefficient of colligation minima is optimization design scheme, can effectively improve the combination property of accumulator array.
Description of the drawings
Fig. 1 is accumulator array multi-objective optimization design of power method flow diagram of the present invention.
Specific embodiment
As shown in figure 1, the accumulator array multi-objective optimization design of power method that the present invention is provided, comprises the following steps:
Step S1, designs output voltage U by accumulator arrayBOWith cell batteries rated voltage UBBAsk for accumulator
Serial number, accumulator serial number minima NBHminComputing formula is:
In formula:Actual serial number N of accumulatorBHIt is not less than NBHminPositive integer, and minima be 1;
Step S2, according to load rating power WLMost long continuous overcast and rainy days NL, ask for accumulator array minimum total capacity
QBmin, its computing formula is:
In formula:A is safety coefficient, takes 1.1-1.4;ULFor rated voltage with load;KTFor battery temp penalty coefficient, one
As more than 0 DEG C take 1.0,0 DEG C~-10 DEG C and take 1.1, less than -10 DEG C take 1.2;CCFor battery discharging depth, general non-maintaining lead
Acid accumulator takes 0.75, and alkaline nickel-cadmium storage battery and ferric phosphate lithium cell take 0.85;ηKFFor controller conversion efficiency;
Step S3, accumulator set accumulator parallel connection number N according to environmentBVInitial value is permission minima;
Step S4, according to array minimum total capacity QBminCell batteries minimum capacity is asked for accumulator connection in series-parallel number
QB0minAnd choose corresponding cell batteries, QB0minComputing formula is:
In formula:Actual accumulator capacity Q chosenBOQ should be not less thanBomin;
Step S5, the accumulator of same nominal voltage as data base, with the specified appearance of maximum cell batteries in data base
Used as screening conditions, judge whether cell batteries capacity exceedes allows maximum cell batteries capacity to amount, if it is not, choosing, turns
Enter step S6, if so, do not select, then proceed to step S7;
Step S6, according to cell batteries price MB, accumulator connection in series-parallel number NBV, accumulator is in normal life cycle
Incipient fault probability PBPFWith connection cables incipient fault probability PWPF, ask for the cost Y of accumulator first of array0B, change electric power storage
Pond cost YHBWith storage battery connecting line cable cost YDB, array totle drilling cost YBWith array incipient fault probability PBAPF, and preserve each meter
Result is calculated, specific formula for calculation is as follows:
N=NBHNBV
Y0B=nMB
YDB=KDB(n+NBV-2)MB
YB=Y0B+YHB+YDB
PBAPF=1- (1-PBPF)n(1-PWPF)2n
In formula:N be cell batteries quantity, KDBFor accumulator array connection cables cost coefficient;
Step S7, judges whether accumulator parallel connection number is to allow maximum, if it is not, then proceeding to step S8, if so, then proceeds to
Step S9;
Step S8, accumulator parallel connection number NBV=NBV+ 1, and proceed to step S4;
Step S9, considers array economy and power supply reliability, calculates the array synthetic of correspondence accumulator parallel connection number
Coefficient, its computing formula is:
In formula:YBminFor the minimum total price in all accumulator array schemes;KBIt is bigger, accumulator array economy and confession
Electric Reliability Synthesis performance is lower.
Step S10, chooses the minimum design of array synthetic coefficient by comparing, and design terminates.
Claims (3)
1. a kind of accumulator array multi-objective optimization design of power method, it is characterised in that specifically include following steps:
1) output voltage U is designed by accumulator arrayBOWith cell batteries rated voltage UBBAsk for accumulator serial number;
2) according to load rating power WLMost long continuous overcast and rainy days NL, ask for accumulator array minimum total capacity QBmin;
3) accumulator sets accumulator parallel connection number N according to environmentBVInitial value is permission minima;
4) according to array minimum total capacity QBminCell batteries minimum capacity Q is asked for accumulator connection in series-parallel numberB0minAnd choose
Corresponding cell batteries, actual accumulator capacity Q chosenBOQ should be not less thanBomin;
5), used as data base, using in data base, maximum cell batteries rated capacity is used as screening for the accumulator of same nominal voltage
Condition, judging whether cell batteries capacity exceedes allows maximum cell batteries capacity, if it is not, choosing, proceeds to step 6), if
It is not select, then proceeds to step 7);;
6) the incipient fault probability according to cell batteries price, accumulator connection in series-parallel number, accumulator in normal life cycle
Ask for the cost of accumulator first of array, change accumulator cost, storage battery connecting line cable with connection cables incipient fault probability
Cost, array totle drilling cost and array incipient fault probability, and preserve each result of calculation;
7) judge whether accumulator parallel connection number is to allow maximum, if it is not, then proceeding to step 8), if so, then proceed to step 9);
8) accumulator parallel connection number Jia 1 certainly, and proceeds to step 4);
9) consider array economy and power supply reliability, calculate the array synthetic coefficient of correspondence accumulator parallel connection number;
10) by comparing the design for choosing array synthetic coefficient minimum, design terminates.
2. accumulator array multi-objective optimization design of power method according to claim 1, it is characterised in that the step 6) it is concrete
Computing formula is as follows:
N=NBHNBV
Y0B=nMB
YDB=KDB(n+NBV-2)MB
YB=Y0B+YHB+YDB
PBAPF=1- (1-PBPF)n(1-PWPF)2n
In formula:N be cell batteries quantity, Y0BFor the cost of accumulator first of array, YHBTo change accumulator cost, YDBFor
Storage battery connecting line cable cost, YBFor array totle drilling cost, PBAPFFor array incipient fault probability;NBHFor accumulator serial number, NBV
For accumulator parallel connection number, MBFor cell batteries price;PBPFThe incipient fault probability for being accumulator in normal life cycle,
KDBFor cell batteries connection cables cost coefficient, PWPFFor connection cables incipient fault probability.
3. accumulator array multi-objective optimization design of power method according to claim 2, it is characterised in that the step 9) in battle array
Row coefficient of colligation KBComputing formula be:
In formula:YBminFor the minimum total price in all accumulator array schemes.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108664734A (en) * | 2018-05-11 | 2018-10-16 | 深圳航天科技创新研究院 | Spacecraft power supply system multi-objective optimization design of power method, system and storage medium |
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WO2004057723A2 (en) * | 2002-12-19 | 2004-07-08 | Ilion Technology | Electrical connecting device for rechargeable electrochemical energy storage system |
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CN102403930A (en) * | 2011-11-11 | 2012-04-04 | 江苏科技大学 | Independent type photovoltaic power generation system and capacity optimization method |
CN103279807A (en) * | 2013-05-06 | 2013-09-04 | 国家电网公司 | Static risk assessment method for power grid in severe weather |
CN105225167A (en) * | 2015-04-20 | 2016-01-06 | 国家电网公司 | A kind of cascading failure recognition sequence system and method |
CN105375493A (en) * | 2015-11-24 | 2016-03-02 | 中国电力科学研究院 | Rated parameter adjustable series compensation design method |
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2016
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Patent Citations (6)
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WO2004057723A2 (en) * | 2002-12-19 | 2004-07-08 | Ilion Technology | Electrical connecting device for rechargeable electrochemical energy storage system |
US20120028105A1 (en) * | 2010-08-02 | 2012-02-02 | Sujeet Kumar | Battery Packs for Vehicles and High Capacity Pouch Secondary Batteries for Incorporation into Compact Battery Packs |
CN102403930A (en) * | 2011-11-11 | 2012-04-04 | 江苏科技大学 | Independent type photovoltaic power generation system and capacity optimization method |
CN103279807A (en) * | 2013-05-06 | 2013-09-04 | 国家电网公司 | Static risk assessment method for power grid in severe weather |
CN105225167A (en) * | 2015-04-20 | 2016-01-06 | 国家电网公司 | A kind of cascading failure recognition sequence system and method |
CN105375493A (en) * | 2015-11-24 | 2016-03-02 | 中国电力科学研究院 | Rated parameter adjustable series compensation design method |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108664734A (en) * | 2018-05-11 | 2018-10-16 | 深圳航天科技创新研究院 | Spacecraft power supply system multi-objective optimization design of power method, system and storage medium |
CN108664734B (en) * | 2018-05-11 | 2020-02-18 | 深圳航天科技创新研究院 | Multi-objective optimization design method and system for spacecraft power supply system and storage medium |
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