CN103606714B - Hybrid power RTG electrokinetic cell energy storage exoergic classification restraint device and method for limiting thereof - Google Patents
Hybrid power RTG electrokinetic cell energy storage exoergic classification restraint device and method for limiting thereof Download PDFInfo
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- CN103606714B CN103606714B CN201310589550.7A CN201310589550A CN103606714B CN 103606714 B CN103606714 B CN 103606714B CN 201310589550 A CN201310589550 A CN 201310589550A CN 103606714 B CN103606714 B CN 103606714B
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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
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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
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
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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
- H01M10/44—Methods for charging or discharging
- H01M10/448—End of discharge regulating measures
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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
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a kind of hybrid power RTG electrokinetic cell energy storage exoergic classification restraint device, described device comprises the current sensor detecting electrokinetic cell charge/discharge operating current in real time, the temperature sensor detecting electrokinetic cell working temperature in real time, classification restriction arithmetic unit, parameter adjuster, classification limit switch and classification restriction potentiometer.Also disclose a kind of hybrid power RTG electrokinetic cell energy storage exoergic classification method for limiting.Classification restraint device of the present invention can carry out real-time graded to electrokinetic cell energy storage exoergic and limit safely, ensure the safe operation of hybrid power RTG, prevent electrokinetic cell from causing the phenomenons such as battery is overheated, overcurrent, infringement battery life because of impact charge/discharge violent for a long time, and classification method for limiting easily realizes, practical.
Description
Technical field
The present invention relates to hybrid power RTG electrokinetic cell, specifically, is hybrid power RTG electrokinetic cell energy storage exoergic classification restraint device and method for limiting thereof.
Background technology
Rubber tyre gantry crane (Rubbertyregantry is called for short RTG) is the main handling facilities in each large container specialized wharf stockyard, the world.Traditional RTG by airborne diesel generating set (abbreviation diesel generator sets) as active force power supply, its energy conversion efficiency is low, energy consumption is large, during operation discharge large quantity of exhaust gas, black smoke and produce high noisy, these outstanding problems more and more can not meet the energy-conserving and environment-protective requirement of increasingly stringent.Mate small-power diesel generator sets by lithium ion battery as active force power supply, the novel RTG hybrid power electric power system of composition significantly can reduce the energy resource consumption of RTG, reduces noise, reduces air pollution, can prop up by energy-saving significantly.
But RTG is at suitcase and fall in the circulation handling operation process of case, and the load fluctuation of its lifting mechanism is violent.Drive motors as motor running, is powered by electrokinetic cell in suitcase process, and is falling in case process, makes drive motors as generator operation, need be absorbed the regenerated energy of this part by electrokinetic cell because of the effect of container gravitational potential energy.Electrokinetic cell in the operation of RTG loaded van high-speed cruising, constantly fast, frequently, high power, big current energy storage exoergic (charge/discharge), the operation of electrokinetic cell can be caused to there is potential safety hazard.
Therefore, in order to ensure the safe operation of hybrid power RTG, preventing electrokinetic cell from causing the phenomenons such as battery is overheated, overcurrent, infringement battery life because of impact charge/discharge violent for a long time, needing a kind of energy storage exoergic safety limiting device for town.About hybrid power RTG electrokinetic cell energy storage exoergic classification restraint device of the present invention, yet there are no report.
Summary of the invention
The object of the invention is for deficiency of the prior art, a kind of hybrid power RTG electrokinetic cell energy storage exoergic classification restraint device is provided.This classification restraint device can detect and calculate the actual charge/discharge overload magnification of electrokinetic cell and temperature of powered cell multiple in real time; by playing the restriction of hoist (suitcase) signal and decline (fall case) signal that lift operations master controller exports to RTG; a point level security restriction is carried out to electrokinetic cell energy storage exoergic (charge/discharge), thus realizes the safeguard protection to electrokinetic cell.
Another object of the present invention is, provides a kind of hybrid power RTG electrokinetic cell energy storage exoergic classification method for limiting.
For realizing above-mentioned first object, the technical scheme that the present invention takes is:
A kind of hybrid power RTG electrokinetic cell energy storage exoergic classification restraint device, described device comprises the current sensor detecting electrokinetic cell charge/discharge operating current in real time, the temperature sensor detecting electrokinetic cell working temperature in real time, classification restriction arithmetic unit, parameter adjuster, classification limit switch and classification restriction potentiometer; Signal is sent in classification restriction arithmetic unit by described current sensor and temperature sensor, classification restriction arithmetic unit calculates, detects charge/discharge overload magnification and the temperature multiple of current power battery in real time, output signal again by classification limit switch control RTG rise lift operations master controller export suitcase/fall case signal, make classification limit potentiometer by the suitcase/case signal that falls and do classification restriction, finally by the DC/AC current transformer by output port control RTG, the charge/discharge current of restricted power battery; Described parameter adjuster is classification restriction arithmetic unit setting rated current, Limited Current multiple, rated temperature and limit temperature multiple.
Further, described classification restriction arithmetic unit is provided with current limit arithmetic element, temperature limiting arithmetic element and classification restriction judgement unit, and the signal of described current limit arithmetic element and temperature limiting arithmetic element all exports to classification restriction judgement unit.
Further, described current limit arithmetic element and temperature limiting arithmetic element are equipped with the comparator of multiplier and each multiplier of correspondence.
Further, the multiplier of described current limit arithmetic element is provided with two, export firsts and seconds current limit setting signal respectively, current flow compares with firsts and seconds current limit setting signal by comparator that each multiplier is corresponding respectively, and the difference is relatively respectively as firsts and seconds current limiting signal.
Further, the multiplier of described temperature limiting arithmetic element is provided with two, export firsts and seconds temperature limiting setting signal respectively, Current Temperatures compares with firsts and seconds temperature limiting setting signal by comparator that each multiplier is corresponding respectively, and the difference is relatively respectively as firsts and seconds temperature limiting signal.
Further, described classification restriction judgement unit is provided with adder and controls the trigger of classification limit switch.
Further, described adder is provided with two, the comprehensive restricting signal of one-level of one of them adder output current and temperature, the comprehensive restricting signal of secondary of another adder output current and temperature.
Further, the trigger of described classification restriction judgement unit is provided with three, controls zero level limit switch, one-level limit switch and secondary limit switch in classification limit switch respectively.
Further, the setting parameter panel of described parameter adjuster is provided with six potentiometers, sets rated current, one-level Limited Current multiple, secondary Limited Current multiple, rated temperature, one-level limit temperature multiple and secondary limit temperature multiple respectively.
For realizing above-mentioned second object, the technical scheme that the present invention takes is:
A kind of hybrid power RTG electrokinetic cell energy storage exoergic classification method for limiting, it is characterized in that, for electrokinetic cell arranges classification restraint device, described classification restraint device comprises the current sensor detecting electrokinetic cell charge/discharge operating current in real time, the temperature sensor detecting electrokinetic cell working temperature in real time, classification restriction arithmetic unit, parameter adjuster, classification limit switch and classification restriction potentiometer;
Parameter adjuster is classification restriction arithmetic unit setting rated current I
c, one-level Limited Current multiple k
d1, secondary Limited Current multiple k
d2, rated temperature T
c, one-level limit temperature multiple k
t1with secondary limit temperature multiple k
t2;
Classification restriction arithmetic unit is provided with current limit arithmetic element, temperature limiting arithmetic element and classification restriction judgement unit; Two multipliers of current limit arithmetic element export one-level current limit setting signal k respectively
d1i
cwith two-level current limit setting signal k
d2i
c, the comparator that then each multiplier is corresponding by current flow I respectively with k
d1i
cand k
d2i
ccompare, the difference relatively and respectively as one-level current limiting signal and two-level current restricting signal export to classification restriction judgement unit; Two multipliers of temperature limiting arithmetic element export one-level temperature limiting setting signal k respectively
t1t
cwith secondary temperature limiting setting signal k
t2t
c, the comparator that then each multiplier is corresponding by Current Temperatures t respectively with k
t1t
cand k
t2t
ccompare, the difference relatively and respectively as one-level degree restricting signal and secondary temperature limiting signal export to classification restriction judgement unit; A classification restriction adder output current of judgement unit and the comprehensive restricting signal of one-level of temperature, the comprehensive restricting signal of secondary of another adder output current and temperature, classification restriction judgement unit is also provided with the first trigger, the second trigger and the 3rd trigger, controls zero level limit switch, one-level limit switch and secondary limit switch in classification limit switch respectively;
At that time, the first trigger action, zero level limit switch closes, and one-level limit switch and secondary limit switch disconnect, and are not now restricted; When and time, the second trigger action, one-level limit switch closes, and zero level limit switch and secondary limit switch disconnect; At that time, the 3rd trigger action, secondary limit switch closes, and zero level limit switch and one-level limit switch disconnect; Classification limit switch control RTG rise lift operations master controller export suitcase/fall case signal, make classification limit potentiometer by the suitcase/case signal that falls and do classification restriction, finally by the DC/AC current transformer by output port control RTG, the charge/discharge current of restricted power battery.
It should be noted that, the classification restriction arithmetic unit of hybrid power RTG electrokinetic cell energy storage exoergic classification restraint device of the present invention, both electronic operation analog circuit can have been adopted to realize, also can adopt the embedded digital circuit realiration of band CPU, thus realize the intelligent security control of RTG electrokinetic cell energy storage exoergic classification restriction.The rank of classification restriction arranges and is not limited to zero level of the present invention, firsts and seconds, specifically can set number of levels according to actual needs.
The invention has the advantages that:
1, the invention provides a kind of hybrid power RTG electrokinetic cell energy storage exoergic classification restraint device, this classification restraint device can detect and calculate the actual charge/discharge overload magnification of electrokinetic cell and temperature of powered cell multiple in real time, by playing the restriction of hoist (suitcase) signal and decline (fall case) signal that lift operations master controller exports to RTG, a point level security restriction is carried out to electrokinetic cell energy storage exoergic (charge/discharge);
2, make electrokinetic cell in the operation of RTG loaded van high-speed cruising, adapt to fast, frequent, high power, big current energy storage exoergic (charge/discharge) action, the safe operation of hybrid power RTG can be ensured, prevent electrokinetic cell from causing the phenomenons such as battery is overheated, overcurrent, infringement battery life because of impact charge/discharge violent for a long time;
3, present invention also offers a kind of hybrid power RTG electrokinetic cell energy storage exoergic classification method for limiting, the method easily realizes, practical.
Accompanying drawing explanation
Accompanying drawing 1 is that hybrid power RTG electrokinetic cell energy storage exoergic limits schematic diagram safely.
Accompanying drawing 2 is parameter adjuster schematic diagrames.
Accompanying drawing 3 is schematic diagrams of classification restriction arithmetic unit.
The Reference numeral related in accompanying drawing and part as follows:
In Fig. 1,001---diesel generator sets (accessory power supply), 002---AC/DC current transformer, 003---electrokinetic cell (main power source), 004---auxiliaries-supply circuit-breaker, 005---main power source circuit breaker, 006---DC master row, 007---DC/AC current transformer, 008---lifting mechanism drive motor, 009---play lift operations master controller; 101---classification restriction arithmetic unit, 102---current sensor, 103---temperature sensor, 104---zero level limit switch, 105---one-level limit switch, 106---secondary limit switch, 107---classification restriction potentiometer, 108---parameter adjuster.
In Fig. 2,115---rated current setting potentiometer, 116---one-level Limited Current multiple setting potentiometer, 117---secondary Limited Current multiple setting potentiometer, 125---rated temperature setting potentiometer, 126---one-level limit temperature multiple setting potentiometer, 127---secondary limit temperature multiple setting potentiometer.
In Fig. 3,110---current limit arithmetic element, 120---temperature limiting arithmetic element, 130---classification restriction judgement unit, 111,112,121,122---multiplier, 113,114,123,124---comparator, 131,132---adder, 133---the first trigger, 134---the second trigger, 135---the 3rd trigger.
Embodiment
Below in conjunction with accompanying drawing, embodiment provided by the invention is elaborated.
Please refer to Fig. 1, Figure 1 shows that hybrid power RTG electrokinetic cell energy storage exoergic limits schematic diagram safely.RTG hybrid power electric power system comprises the diesel generator sets 001 as accessory power supply and the electrokinetic cell 003 as main power source.Diesel generator sets 001 is connected with DC master row 006 with auxiliaries-supply circuit-breaker 004 by AC/DC current transformer 002, and electrokinetic cell 003 is connected with DC master row 006 by main power source circuit breaker 005.Lifting mechanism drive motor 008 connects DC master row 006 by DC/AC current transformer 007.The classification restraint device of the present embodiment comprises the current sensor 102 detecting electrokinetic cell 003 charge/discharge operating current in real time, the temperature sensor 103 detecting electrokinetic cell 003 working temperature in real time, classification restriction arithmetic unit 101, parameter adjuster 108, zero level limit switch 104, one-level limit switch 105, secondary limit switch 106 and classification restriction potentiometer 107.
Real time detection signal is sent in classification restriction arithmetic unit 101 respectively by input port I/O ?2 and I/O ?1 by current sensor 102 and temperature sensor 103, and classification restriction arithmetic unit 101 exports control signal and controlled lift operations master controller 009.Play lift operations master controller 009 and exported by input port I/O ?3 that suitcase/fall case signal again, by or not by classification restriction potentiometer 107 do corresponding restriction, finally by output port I/O ?4 control DC/AC current transformers 007, carry out the charge/discharge current of restricted power battery 003.
Please refer to Fig. 2, the setting parameter panel of described parameter adjuster 108 is provided with six potentiometers (rated current setting potentiometer 115, one-level Limited Current multiple setting potentiometer 116, secondary Limited Current multiple setting potentiometer 117, rated temperature setting potentiometer 125, one-level limit temperature multiple setting potentiometer 126, secondary limit temperature multiple setting potentiometer 127), be respectively classification restriction arithmetic unit 101 and set rated current I
c, one-level Limited Current multiple k
d1, secondary Limited Current multiple k
d2, rated temperature T
c, one-level limit temperature multiple k
t1with secondary limit temperature multiple k
t2.
Please refer to Fig. 3, Fig. 3 is the schematic diagram of classification restriction arithmetic unit 101.Classification restriction arithmetic unit 101 is provided with current limit arithmetic element 110, temperature limiting arithmetic element 120 and classification restriction judgement unit 130.Current limit arithmetic element 110 is provided with multiplier 111 (exporting one-level current limit setting signal), multiplier 112 (exporting two-level current limit setting signal) and corresponding comparator 113 (exporting one-level current limiting signal), comparator 114 (exporting two-level current restricting signal).Temperature limiting arithmetic element 120 is provided with multiplier 121 (exporting one-level temperature limiting setting signal), multiplier 122 (exporting secondary temperature limiting setting signal) and corresponding comparator 123 (exporting one-level temperature limiting signal), comparator 124 (exporting secondary temperature limiting signal).
Classification restriction judgement unit 130 is provided with adder 131 (output current restricting signal comprehensive with the one-level of temperature), adder 132 (output current restricting signal comprehensive with the secondary of temperature), the first trigger 133 (being connected zero level limit switch 104), the second trigger 134 (connecting one-level limit switch 105) and the 3rd trigger 135 (being connected secondary limit switch 106).
A kind of hybrid power RTG of the present invention electrokinetic cell energy storage exoergic classification method for limiting, concrete steps are:
(1) rated current I is set by parameter adjuster 108 for classification limits arithmetic unit 101
c, one-level Limited Current multiple k
d1, secondary Limited Current multiple k
d2, rated temperature T
c, one-level limit temperature multiple k
t1with secondary limit temperature multiple k
t2; Current sensor 102 and temperature sensor 103 are respectively classification restriction arithmetic unit 101 and send into current flow I and Current Temperatures t;
(2) multiplier 111 of current limit arithmetic element 110 and multiplier 112 export one-level current limit setting signal k respectively
d1i
cwith two-level current limit setting signal k
d2i
c, then corresponding comparator 113 and comparator 114 by current flow I respectively with k
d1i
cand k
d2i
ccompare, the difference relatively and respectively as one-level current limiting signal and two-level current restricting signal export to classification restriction judgement unit 130;
(3) multiplier 121 of temperature limiting arithmetic element 120 and multiplier 122 export one-level temperature limiting setting signal k respectively
t1t
cwith secondary temperature limiting setting signal k
t2t
c, then corresponding comparator 123 and comparator 124 by Current Temperatures t respectively with k
t1t
cand k
t2t
ccompare, the difference relatively and respectively as one-level degree restricting signal and secondary temperature limiting signal export to classification restriction judgement unit 130;
(4) classification restriction adder 131 output current of judgement unit 130 and the comprehensive restricting signal of one-level of temperature, the comprehensive restricting signal of secondary of adder 132 output current and temperature, first trigger 133 of classification restriction judgement unit 130 controls zero level limit switch 104, second trigger 134 controls one-level limit switch the 105, three trigger 135 and controls secondary limit switch 106;
(5) at that time, first trigger 133 action, zero level limit switch 104 closes, and one-level limit switch 105 and secondary limit switch 106 disconnect, suitcase/case the signal that falls playing lift operations master controller 009 output is not restricted, directly by output port I/O ?4 control DC/AC current transformer 007;
When and time, second trigger 134 action, one-level limit switch 105 closes, zero level limit switch 104 and secondary limit switch 106 disconnect, suitcase/case the signal that falls playing lift operations master controller 009 output does one-level restriction, then by output port I/O ?4 control DC/AC current transformer 007 by classification restriction potentiometer 107;
At that time, 3rd trigger 135 action, secondary limit switch 106 closes, zero level limit switch 104 and one-level limit switch 105 disconnect, suitcase/case the signal that falls playing lift operations master controller 009 output does secondary restriction, then by output port I/O ?4 control DC/AC current transformer 007 by classification restriction potentiometer 107.
Like this, when the working temperature of electrokinetic cell 003 and charge/discharge current normal time, higher than one-level threshold value and lower than secondary threshold time, higher than secondary threshold time, classification restraint device correspondingly can carry out a point level security restriction to electrokinetic cell 003 energy storage exoergic (charge/discharge), ensures the safe operation of hybrid power RTG.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.Those skilled in the art of the present technique should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the scope of protection of present invention.
Claims (9)
1. a hybrid power RTG electrokinetic cell energy storage exoergic classification restraint device, it is characterized in that, described device comprises the current sensor detecting electrokinetic cell charge/discharge operating current in real time, the temperature sensor detecting electrokinetic cell working temperature in real time, classification restriction arithmetic unit, parameter adjuster, classification limit switch and classification restriction potentiometer; Signal is sent in classification restriction arithmetic unit by described current sensor and temperature sensor, classification restriction arithmetic unit calculates, detects charge/discharge overload magnification and the temperature multiple of current power battery in real time, output signal again by classification limit switch control RTG rise lift operations master controller export suitcase/fall case signal, make classification limit potentiometer by the suitcase/case signal that falls and do classification restriction, finally by the DC/AC current transformer by output port control RTG, the charge/discharge current of restricted power battery; Described parameter adjuster is classification restriction arithmetic unit setting rated current, Limited Current multiple, rated temperature and limit temperature multiple.
2. hybrid power RTG electrokinetic cell energy storage exoergic classification restraint device according to claim 1, it is characterized in that, described classification restriction arithmetic unit is provided with current limit arithmetic element, temperature limiting arithmetic element and classification restriction judgement unit, and the signal of described current limit arithmetic element and temperature limiting arithmetic element all exports to classification restriction judgement unit.
3. hybrid power RTG electrokinetic cell energy storage exoergic classification restraint device according to claim 2, it is characterized in that, described current limit arithmetic element and temperature limiting arithmetic element are equipped with the comparator of multiplier and each multiplier of correspondence.
4. hybrid power RTG electrokinetic cell energy storage exoergic classification restraint device according to claim 3, it is characterized in that, the multiplier of described current limit arithmetic element is provided with two, export firsts and seconds current limit setting signal respectively, current flow compares with firsts and seconds current limit setting signal by comparator that each multiplier is corresponding respectively, and the difference is relatively respectively as firsts and seconds current limiting signal.
5. hybrid power RTG electrokinetic cell energy storage exoergic classification restraint device according to claim 3, it is characterized in that, the multiplier of described temperature limiting arithmetic element is provided with two, export firsts and seconds temperature limiting setting signal respectively, Current Temperatures compares with firsts and seconds temperature limiting setting signal by comparator that each multiplier is corresponding respectively, and the difference is relatively respectively as firsts and seconds temperature limiting signal.
6. hybrid power RTG electrokinetic cell energy storage exoergic classification restraint device according to claim 2, is characterized in that, described classification restriction judgement unit is provided with adder and controls the trigger of classification limit switch.
7. hybrid power RTG electrokinetic cell energy storage exoergic classification restraint device according to claim 6, it is characterized in that, described adder is provided with two, the comprehensive restricting signal of one-level of one of them adder output current and temperature, the comprehensive restricting signal of secondary of another adder output current and temperature.
8. hybrid power RTG electrokinetic cell energy storage exoergic classification restraint device according to claim 6, it is characterized in that, the trigger of described classification restriction judgement unit is provided with three, controls zero level limit switch, one-level limit switch and secondary limit switch in classification limit switch respectively.
9. hybrid power RTG electrokinetic cell energy storage exoergic classification restraint device according to claim 1, it is characterized in that, the setting parameter panel of described parameter adjuster is provided with six potentiometers, sets rated current, one-level Limited Current multiple, secondary Limited Current multiple, rated temperature, one-level limit temperature multiple and secondary limit temperature multiple respectively.
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| CN105347194A (en) * | 2015-12-11 | 2016-02-24 | 润邦卡哥特科工业有限公司 | Driving system |
| CN105621256B (en) * | 2016-03-24 | 2017-12-08 | 深圳市兆涵科技发展有限公司 | A kind of power mixing energy conserving system of tire type gantry crane three |
| CN106911139B (en) * | 2017-04-14 | 2019-04-30 | 上海海事大学 | The energy-optimised management method of super capacitor RTG based on genetic algorithm |
| CN111817330B (en) * | 2020-07-22 | 2021-12-07 | 佛山维可特科技有限公司 | Crane energy storage monitoring and scheduling system and scheduling method thereof |
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| JP5621619B2 (en) * | 2011-01-24 | 2014-11-12 | パナソニック株式会社 | Power supply |
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