CN103413983B - The wind power generating set chargingmethod of lead-acid cell group and charging management system - Google Patents

The wind power generating set chargingmethod of lead-acid cell group and charging management system Download PDF

Info

Publication number
CN103413983B
CN103413983B CN201310292854.7A CN201310292854A CN103413983B CN 103413983 B CN103413983 B CN 103413983B CN 201310292854 A CN201310292854 A CN 201310292854A CN 103413983 B CN103413983 B CN 103413983B
Authority
CN
China
Prior art keywords
charging
voltage
cell
lead
negative pulse
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.)
Active
Application number
CN201310292854.7A
Other languages
Chinese (zh)
Other versions
CN103413983A (en
Inventor
周腊吾
谭海波
刘滨升
彭建国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUNAN SHIYOU ELECTRIC PUBLIC Co Ltd
Original Assignee
HUNAN SHIYOU ELECTRIC PUBLIC Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HUNAN SHIYOU ELECTRIC PUBLIC Co Ltd filed Critical HUNAN SHIYOU ELECTRIC PUBLIC Co Ltd
Priority to CN201310292854.7A priority Critical patent/CN103413983B/en
Publication of CN103413983A publication Critical patent/CN103413983A/en
Application granted granted Critical
Publication of CN103413983B publication Critical patent/CN103413983B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

The present invention discloses chargingmethod and the charging management system of a kind of wind power generating set lead-acid cell group, described chargingmethod step is as follows: whether detection monomer battery voltage is lower than 60%, if then pointing out fault, it not, more whether detect voltage lower than 90%, if then charging, if not, then jump to next cell and continue detection; Detection monomer battery voltage, whether lower than 100%, if then charging, forwards constant voltage charge to after reaching 100%; If not, then directly forward constant voltage charge pattern to; Then judge whether battery completes this cell process of charging, if forwarding to and judging next cell; If not, then continue constant voltage charge; After completing each cell supplementary charging stage of series of cells, per trigger voltage detection half an hour and corresponding supplementary procedure. Present invention reduces the series of cells duration of charging, avoid the polarization phenomena of battery and reparation part can slightly damage lead-acid cell, extend the work-ing life of lead-acid cell group.

Description

The wind power generating set chargingmethod of lead-acid cell group and charging management system
Technical field
The present invention relates to the charging management system of a kind of lead-acid cell group and chargingmethod, in particular to chargingmethod and the charging management system of a kind of wind power generating set lead-acid cell group.
Background technology
Wind energy is the important component part of new forms of energy, and wind resource is very abundant, has wide development prospect. Along with being gradually improved of wind generating technology, wind power generating set single-machine capacity also constantly increases, and the Controlling System of wind power generating set is the brain of wind power generating set, not only assume responsibility for the safe operation task of Wind turbines, most importantly realize maximal wind-energy capture by suitable control method and control strategy. Feather is conservative control paddle pitch angle, when running below wind rating, is combined with variable speed constant frequency technology and can obtain energy to greatest extent; When running more than wind rating, it is possible to obtain stable power stage. Consider that blower fan has that wind speed is excessive and the emergency situation such as the necessary maintenance of wind-force power generation system at Feng Chang, it is necessary to being put away the oars by fan blade fast, now just needs are promptly powered to pitch-controlled system by lead-acid cell group, to guarantee fan safe. Due to the discordance of lead-acid cell own and in-built feature, existing lead-acid cell group charging modes can not realize rapid charge and equalizing charge well, shortens the life-span of whole series of cells, is unfavorable for whole wind-force power generation system safe and stable operation. Therefore ensure stability and the reliability of series of cells for variable pitch, significant.
Summary of the invention
In order to solve the problems of the technologies described above, the present invention provides that a kind of working stability is reliable, charging efficiency height, the chargingmethod that can avoid the wind power generating set lead-acid cell group of battery polarization phenomenon and charging management system.
The technical scheme that the present invention solves the problem is: the chargingmethod of a kind of wind power generating set lead-acid cell group, and it comprises the following steps:
(1) whether first monomer battery voltage is detected lower than 60%, if then pointing out fault by display unit; If not, then whether detect voltage again lower than 90%, if then entering pulse charge modes I, the institute of detection in real time rechargable battery voltage, whether duplicate detection voltage is lower than 90%; If not, then jump to next cell and continue detection;
(2), after completing the charging to each cell of series of cells, forward to the batteries monomer battery supplementary charging stage;
(3) whether detecting monomer battery voltage lower than 100%, if then entering pulse charge mode II, the institute of detection in real time rechargable battery voltage, forwards constant voltage charge to after reaching 100%; If not, then directly forward constant voltage charge pattern to;
(4) judge whether battery completes this cell process of charging by charging current feedback, if forwarding to and judging next cell; If not, then continue constant voltage charge;
(5) after completing each cell supplementary charging stage of series of cells, per trigger voltage detection half an hour and corresponding supplementary procedure;
(6) when control chip receive promptly use signal from outside time, stop charging, make series of cells to system power supply.
Pulse charge modes I in described step (1) is positive negative pulse stuffing charging, positive negative pulse stuffing ratio controls to insert between 7:1 and positive negative pulse stuffing change to stop the time of filling (equal with the negative pulse charging time), form " positive pulse-stop fills-and negative pulse-stop filling " pattern, circulating according to this, now charging current controls between 0.2C��0.3C.
Pulse charge mode II in described step (3) is positive negative pulse stuffing charging, positive negative pulse stuffing ratio controls to insert between 5:1 and positive negative pulse stuffing change to stop the time of filling (equal with the negative pulse charging time), form " positive pulse-stop fills-and negative pulse-stop filling " pattern, circulating according to this, now charging current controls at 0.1C.
The charging management system of a kind of wind power generating set lead-acid cell group, comprise series of cells, series of cells is connected with the input terminus of temperature detecting unit, voltage detecting unit respectively, the output terminal of temperature detecting unit, voltage detecting unit is connected with Phototube Coupling unit, Phototube Coupling unit is connected with micro-chip, micro-chip, pulse control unit, management of charging and discharging unit, series of cells connect successively, management of charging and discharging unit is connected with voltage, current feedback unit, and voltage, current feedback unit are connected with micro-chip.
The charging management system of described wind power generating set lead-acid cell group also comprises display unit, and display unit is connected with micro-chip.
Described temperature detecting unit is temperature sensor.
Described voltage detecting unit is voltage sensor.
The useful effect of the present invention is: the voltage of the charging management system energy high precision test institute rechargable battery group of wind power generating set lead-acid cell group of the present invention and temperature, and gives micro-chip process by voltage and temperature signal through Phototube Coupling unit; Micro-chip control pulse control unit, to the charging of management of charging and discharging unit, has the advantage that working stability is reliable, cost is low; The chargingmethod of wind power generating set lead-acid cell group of the present invention, the series of cells duration of charging can be greatly shortened and the problem that each cell causes due to discordance can be effectively eliminated, the positive negative pulse stuffing charge mode used largely avoid the polarization phenomena of battery, and reparation part can slightly damage lead-acid cell, extend the work-ing life of lead-acid cell group, reduce the safety that simultaneously further ensure that wind-force power generation system and the stability factor of cost.
Accompanying drawing explanation
Fig. 1 is the chargingmethod schema of wind power generating set lead-acid cell group of the present invention.
Fig. 2 is the charging management system structure iron of wind power generating set lead-acid cell group of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As shown in Figure 1, the chargingmethod flow process of wind power generating set lead-acid cell group is as follows:
(1) judge that whether first monomer battery voltage be lower than 60%, if then pointing out fault by display unit; If not, then judge that whether voltage is lower than 90% again, if then entering pulse charge modes I, timing detects institute's rechargable battery voltage, repeats to judge that whether voltage is lower than 90%; If not, then jump to next cell and continue detection;
(2) after completing the rapid charge to each cell of series of cells, now ensure that series of cells has been filled with the electricity of about 90%, then forwarded to the batteries monomer battery supplementary charging stage;
(3) whether detecting cell voltage lower than 100%, if then forwarding the charging of pulse charge mode II to, timing detects voltage, reaches 100%, then forwards constant voltage charge to; If not, directly forward constant voltage charge pattern to;
(4) judge whether battery completes this cell process of charging by charging current feedback, if forwarding to and judging next cell; If not, then continue constant voltage charge;
(5) after completing the charging of each monomer supplemental stages of series of cells, per trigger voltage detection half an hour and corresponding supplementary procedure;
(6) when control chip receive promptly use signal from outside time, stop charging, make series of cells to system power supply.
Pulse charge modes I in step (1) is positive negative pulse stuffing charging, positive negative pulse stuffing ratio is that between 7:1 and positive negative pulse stuffing are changed, insertion stops the time of filling, form " positive pulse-stop fills-and negative pulse-stop filling " pattern, circulate according to this, now charging current controls at 0.2C.
Pulse charge mode II in step (3) is positive negative pulse stuffing charging, positive negative pulse stuffing ratio is that between 5:1 and positive negative pulse stuffing are changed, insertion stops the time of filling, form " positive pulse-stop fills-and negative pulse-stop filling " pattern, circulate according to this, now charging current controls at 0.1C.
As shown in Figure 2, the charging management system of wind power generating set lead-acid cell group of the present invention comprises series of cells, temperature detecting unit, voltage detecting unit, Phototube Coupling unit, micro-chip, display unit, pulse control unit, management of charging and discharging unit, series of cells respectively with temperature detecting unit, the input terminus of voltage detecting unit is connected, temperature detecting unit, the output terminal of voltage detecting unit is connected with Phototube Coupling unit, Phototube Coupling unit is connected with micro-chip, display unit is connected with micro-chip, micro-chip, pulse control unit, management of charging and discharging unit, series of cells connects successively, management of charging and discharging unit and voltage, current feedback unit is connected, voltage, current feedback unit is connected with micro-chip.
Voltage signal is also given micro-chip process through Phototube Coupling unit by voltage detecting unit energy high precision test institute's rechargable battery terminal voltage; Temperature detecting unit detects institute's rechargable battery internal temperature by temperature sensor and gives micro-chip process by temperature signal through Phototube Coupling unit; Micro-chip is delivered to management of charging and discharging unit according to the dead time between the width of master routine implementation status control positive negative pulse stuffing and positive negative pulse stuffing conversion and is realized paired pulses charging; The chargeable voltage of management of charging and discharging unit and charging current information feed back process to micro-chip; External display unit display charging state relevant information (such as rechargeable battery number, battery temperature, failure message etc.) of micro-chip, micro-chip is reserved and is accepted outside emergency control signal port simultaneously, it is ensured that the urgent oar power supply that becomes is supplied.

Claims (3)

1. a wind power generating set chargingmethod for lead-acid cell group, it comprises the following steps:
(1) whether first monomer battery voltage is detected lower than 60%, if then pointing out fault by display unit; If not, then whether detect voltage again lower than 90%, if then entering pulse charge modes I, the institute of detection in real time rechargable battery voltage, whether duplicate detection voltage is lower than 90%; If not, then jump to next cell and continue detection;
(2), after completing the charging to each cell of series of cells, forward to the batteries monomer battery supplementary charging stage;
(3) whether detecting monomer battery voltage lower than 100%, if then entering pulse charge mode II, the institute of detection in real time rechargable battery voltage, forwards constant voltage charge to after reaching 100%; If not, then directly forward constant voltage charge pattern to;
(4) judge whether battery completes this cell process of charging by charging current feedback, if forwarding to and judging next cell; If not, then continue constant voltage charge;
(5) after completing each cell supplementary charging stage of series of cells, per trigger voltage detection half an hour and corresponding supplementary procedure;
(6) when control chip receive promptly use signal from outside time, stop charging, make series of cells to system power supply.
2. the chargingmethod of wind power generating set lead-acid cell group according to claim 1, it is characterized in that: the pulse charge modes I in described step (1) is positive negative pulse stuffing charging, positive negative pulse stuffing ratio controls insertion between 7:1 and positive negative pulse stuffing change and stops the time of filling, form " positive pulse-stop fills-and negative pulse-stop filling " pattern, circulating according to this, now charging current controls between 0.2C��0.3C.
3. the chargingmethod of wind power generating set lead-acid cell group according to claim 1, it is characterized in that: the pulse charge mode II in described step (3) is positive negative pulse stuffing charging, positive negative pulse stuffing ratio controls insertion between 5:1 and positive negative pulse stuffing change and stops the time of filling, form " positive pulse-stop fills-and negative pulse-stop filling " pattern, circulating according to this, now charging current controls at 0.1C.
CN201310292854.7A 2013-07-12 2013-07-12 The wind power generating set chargingmethod of lead-acid cell group and charging management system Active CN103413983B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310292854.7A CN103413983B (en) 2013-07-12 2013-07-12 The wind power generating set chargingmethod of lead-acid cell group and charging management system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310292854.7A CN103413983B (en) 2013-07-12 2013-07-12 The wind power generating set chargingmethod of lead-acid cell group and charging management system

Publications (2)

Publication Number Publication Date
CN103413983A CN103413983A (en) 2013-11-27
CN103413983B true CN103413983B (en) 2016-06-08

Family

ID=49606979

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310292854.7A Active CN103413983B (en) 2013-07-12 2013-07-12 The wind power generating set chargingmethod of lead-acid cell group and charging management system

Country Status (1)

Country Link
CN (1) CN103413983B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103904731A (en) * 2014-03-06 2014-07-02 苏州三森新能源科技有限公司 Active equalization circuit and method of lithium battery pack in series
CN104064826B (en) * 2014-06-06 2016-05-25 上海汇菱自控设备有限公司 Alternately dipulse electric current delead acid accumulator vulcanization plant and method
CN104242408B (en) * 2014-10-08 2016-04-06 上海锦鹏科技有限公司 A kind of lead-acid battery management instrument of intervening charge mode
GB2545493A (en) * 2015-12-18 2017-06-21 Moog Unna Gmbh Wind turbine diagnostic apparatus
TWI610514B (en) * 2016-09-22 2018-01-01 烽曜股份有限公司 Energy storage system and battery balancing and repairing method
CN109216792A (en) * 2017-06-29 2019-01-15 青岛恒金源电子科技有限公司 A kind of UPS battery group and its operation method
CN111162336B (en) * 2020-01-19 2023-03-31 贵州省机电研究设计院 Rapid charging method for lead-acid storage battery of electric vehicle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1336697A (en) * 2000-08-01 2002-02-20 苏永贵 Pulse charging method for retarding capacity decay of accumulator
CN102157759A (en) * 2011-02-25 2011-08-17 湘电风能有限公司 Method for charging management of emergent blade-changing battery pack of wind driven generator
CN103023112A (en) * 2012-12-18 2013-04-03 北车风电有限公司 Charging device and charging method of backup power source of wind turbine generating set variable pitch system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101710630B (en) * 2009-12-14 2011-08-10 奇瑞汽车股份有限公司 Vehicle lithium battery intelligent charging method and device thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1336697A (en) * 2000-08-01 2002-02-20 苏永贵 Pulse charging method for retarding capacity decay of accumulator
CN102157759A (en) * 2011-02-25 2011-08-17 湘电风能有限公司 Method for charging management of emergent blade-changing battery pack of wind driven generator
CN103023112A (en) * 2012-12-18 2013-04-03 北车风电有限公司 Charging device and charging method of backup power source of wind turbine generating set variable pitch system

Also Published As

Publication number Publication date
CN103413983A (en) 2013-11-27

Similar Documents

Publication Publication Date Title
CN103413983B (en) The wind power generating set chargingmethod of lead-acid cell group and charging management system
CN104218875B (en) Independent photovoltaic generating railway power supply control system and control method thereof
CN104157918A (en) Method and device for performing redundant reassembling on storage batteries
CN201985605U (en) Photovoltaic power supply system
CN204497336U (en) Multikilowatt fuel cell lithium ion battery hybrid power device
CN105047966A (en) Multi-mode operation control method and multi-mode operation control system for flow battery
CN111245060A (en) Battery pack parallel operation charging and discharging control system and method based on controllable one-way conduction circuit
CN208386227U (en) Wind-light storage is provided multiple forms of energy to complement each other system
CN203747465U (en) Battery equalization charging device based on ZigBee wireless network
CN104167781A (en) Wind-solar complementary power generation and energy storage control system
CN109636254B (en) Microgrid optimization scheduling method considering short-time power supply requirement
CN105280990A (en) Kilowatt-scale fuel cell/lithium-ion cell hybrid power device and energy management method thereof
CN102427267A (en) Modular charging system for electric automobile
CN103296690A (en) On-grid energy control method for wind farm
CN203466613U (en) Household off-network light-storage supplementary electricity generation system compatible with multiple types of energy-storage systems
CN103872754B (en) Photovoltaic solar method for controlling power supply and system
CN103023112B (en) The back-up source charging device of wind generating set pitch control system and charging method
CN202798105U (en) Wind and solar complemented intelligent control system of communication base station
CN102437586B (en) Energy storage and unloading device of wind power generation system and control method thereof
CN104158216B (en) A kind of solar energy and energy and wind energy integrative electricity generation system
CN202949245U (en) Wind and light hybrid power generation system
CN113595214A (en) Photovoltaic charging current control system for storage battery
CN209228535U (en) Energy-storage system and Wind turbines for Wind turbines
CN202091116U (en) Feathering control device of wind-driven generator
CN203339766U (en) Charge management system for lead-acid battery pack for emergency pitch variation of large wind generator set

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C53 Correction of patent of invention or patent application
CB02 Change of applicant information

Address after: 411104 Torch Innovation and Pioneer Park, hi tech Zone, Hunan, Xiangtan

Applicant after: HUNAN SHIYOU ELECTRIC PUBLIC Co.,Ltd.

Address before: 411104 Torch Innovation and Pioneer Park, hi tech Zone, Hunan, Xiangtan

Applicant before: Xiangtan Shiyou Electrical Co.,Ltd.

COR Change of bibliographic data

Free format text: CORRECT: APPLICANT; FROM: XIANGTAN SHITONG UNITRON ELECTRIC CO., LTD. TO: HUNAN SHIYOU ELECTRIC CO., LTD.

C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Charging method and charging management system of lead-acid battery pack for wind turbine

Effective date of registration: 20211224

Granted publication date: 20160608

Pledgee: China Everbright Bank Co.,Ltd. Xiangtan sub branch

Pledgor: HUNAN SHIYOU ELECTRIC PUBLIC Co.,Ltd.

Registration number: Y2021430000099

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20230511

Granted publication date: 20160608

Pledgee: China Everbright Bank Co.,Ltd. Xiangtan sub branch

Pledgor: HUNAN SHIYOU ELECTRIC PUBLIC Co.,Ltd.

Registration number: Y2021430000099