CN102638061B - General charging controller for wind-light-diesel combined power supply system and control method thereof - Google Patents
General charging controller for wind-light-diesel combined power supply system and control method thereof Download PDFInfo
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- CN102638061B CN102638061B CN201110036921.XA CN201110036921A CN102638061B CN 102638061 B CN102638061 B CN 102638061B CN 201110036921 A CN201110036921 A CN 201110036921A CN 102638061 B CN102638061 B CN 102638061B
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Abstract
The invention relates to a general charging controller for a wind-light-diesel combined power supply system and a control method thereof. The general charging controller comprises a rectifying and filtering circuit, a voltage reducing chopper circuit, a fan unloading circuit and a control circuit, wherein the input ends of the fan unloading circuit and the rectifying and filtering circuit are connected in parallel, and are connected with an input power supply; the control circuit is connected with rectifying and filtering circuit, the voltage reducing chopper circuit and the fan unloading circuit through a control signal wire; the working power supply end of the control circuit is connected with the voltage reducing chopper circuit; the input end of the voltage reducing chopper circuit is connected with the output end of the rectifying circuit; and the output end of the voltage reducing chopper circuit is taken as the output end of the charging controller, and is connected with a storage battery unit. In the method, the startup of the type of generator set is determined by detecting the set state of a dial switch. Due to the adoption of the charging controller, the generalization and functional integration of a product are realized, the types of control equipment are reduced, and the standardization degree of a system is improved; and the general charging controller is suitable for plant batch production and quality control, and is convenient for a user to use and manage and convenient for a superior to make an allocation plan.
Description
Technical field
The present invention relates to a kind of charge controller for wind-light-diesel associating electric power system, specifically a kind of wind-light-diesel associating electric power system universal charge controller and control method thereof.
Background technology
The charge control apparatus of wind-driven generator, photovoltaic arrays and diesel engine generator associating electric power system (being called for short wind-light-diesel electric power system) is made up of blower fan charge controller, photovoltaic charge controller and the diesel generating set charge controller of function singleness respectively at present, because charge controller kind is more, be not easy to administer and maintain, after breaking down, a certain quasi-controller cannot use other quasi-controller to replace, overall operation poor reliability.
Summary of the invention
The weak points such as the function singleness existing with charge controller for generator in prior art, the technical problem to be solved in the present invention is to provide a kind of wind-light-diesel associating electric power system universal charge controller and control method thereof with interchangeability and reliability.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of wind-light-diesel electric power system of the present invention universal charge controller comprises: current rectifying and wave filtering circuit, buck circuit, blower fan discharging circuit and control circuit.Wherein, after the input parallel connection of blower fan discharging circuit and current rectifying and wave filtering circuit, be connected with input power; Control circuit is connected with current rectifying and wave filtering circuit, buck circuit and blower fan discharging circuit by control signal wire, and the working power end of control circuit is connected with buck circuit; The input of buck circuit is connected with the output of rectification circuit; The output of buck circuit, as the output of charge controller, is connected with batteries.
Described buck circuit is using IGBT as switching device, and IGBT front end is connected with rectification filter circuit output end, and rear end is connected to the output of charge controller by filter inductance, and the pwm signal of IGBT is inputted by IGBT drive circuit in control circuit.
Described control circuit comprises governor circuit and IGBT drive circuit, wherein governor circuit is taking digital signal controller as control core, its input is connected with signal deteching circuit, function selector circuit, crystal oscillating circuit and power circuit, and output is connected to the pwm signal input of IGBT in buck circuit by IGBT drive circuit.
The control method of wind-light-diesel electric power system universal charge controller of the present invention comprises the following steps:
Determine startup any class generating set by detecting the set condition of toggle switch, carry out photovoltaic charged control program, blower fan charging control program or diesel engine charging control program by governor circuit, wherein
Described photovoltaic charged control program is:
Judge the voltage after rectification in current rectifying and wave filtering circuit is whether the output valve of voltage signal 1 is greater than threshold voltage;
If when the output valve of voltage signal 1 is greater than threshold voltage, detect accumulator battery voltage;
In the time that accumulator battery voltage is more than or equal to even charging voltage, batteries is carried out to uniform charging to the stipulated time;
Carry out floating charge, go to and judge whether the output valve of voltage signal 1 is greater than threshold voltage step.
If when accumulator battery voltage is less than even charging voltage, judge whether accumulator battery voltage is less than Cross prevention voltage;
If accumulator battery voltage is not less than Cross prevention voltage, judge whether to carry out global search;
If do not carry out global search, control IGBT duty ratio and be changed to 1 by 0, carry out global search repeatedly with step-length a, search repeatedly the duty ratio λ that makes photovoltaic arrays power output maximum in search procedure
max;
With duty ratio λ
maxcontrol IGBT work;
Judge whether the stable state time exceed schedule time, as exceed schedule time, then judge whether power output occurs significantly changing;
As occurred significantly changing, control IGBT duty ratio by lower limit variation to the upper limit, carry out Local Search with regulation step-length, search this and this time make in search procedure the duty ratio of photovoltaic arrays power output maximum;
Go to and judge whether the output valve of voltage signal 1 is greater than threshold voltage step.
If significantly changing does not appear in power output or the stable state time does not exceed schedule time, go to duty ratio λ
maxcontrol IGBT job step.
If carried out global search, directly with duty ratio λ
maxcontrol IGBT work, continue and judge the stable state time step that whether exceeds schedule time.
If accumulator battery voltage is less than Cross prevention voltage, carry out trickle charge, continue and carry out maximal power tracing control program step.
Described blower fan charging control flow is:
Whether the output valve that judges voltage signal 1 is greater than protection voltage;
If the output valve of voltage signal 1 is not more than protection voltage, detect accumulator battery voltage;
Judge whether accumulator battery voltage is more than or equal to even charging voltage;
In the time that accumulator battery voltage is more than or equal to even charging voltage, batteries is all filled and is charged to the stipulated time;
To batteries floating charge, go to and judge whether the output valve of voltage signal 1 is greater than protection voltage steps.
When accumulator battery voltage is not more than while equaling even charging voltage, judge whether accumulator battery voltage is less than Cross prevention voltage;
In the time that accumulator battery voltage is not less than Cross prevention voltage, batteries is charged normal;
Judge whether charging current is greater than protective current;
In the time that charging current is not more than protective current, large current charge is carried out in the whole conductings of IGBT;
Go to and judge whether the input voltage of voltage signal 1 is greater than protection voltage steps.
In the time that charging current is greater than protective current, use pid control algorithm control IGBT duty ratio, make charging current constant in protective current;
Go to and judge whether the output valve of voltage signal 1 is greater than protection voltage steps.
In the time that accumulator battery voltage is less than Cross prevention voltage, to batteries trickle charge;
Continue and judge that accumulator battery voltage is less than the step of Cross prevention voltage.
In the time that the output valve of voltage signal 1 is greater than protection voltage, fan off-load.
Go to and judge whether the output valve of voltage signal 1 is greater than protection voltage steps.
Described diesel generating set charging control flow is:
Detect accumulator battery voltage;
Judge whether accumulator battery voltage is less than Cross prevention voltage;
In the time that accumulator battery voltage is less than Cross prevention voltage, to batteries trickle charge, goes to and detect accumulator battery voltage step.
In the time that accumulator battery voltage is not less than Cross prevention voltage, goes to and detect accumulator battery voltage step.
The present invention has following beneficial effect and advantage:
1. it is integrated that the present invention has realized generalization and the function of product, reduced control appliance kind, improved the standardization level of system, is applicable to factory's mass production and quality control, and user-friendly management and higher level work out the plan of allocating.
2. the present invention improves maintenance interchangeability and the reliability of system control equipment.When photovoltaic in system or blower fan charge control module break down; available diesel engine unit charge control module is replaced; avoid owing to shutting down the situation that in system, wind light generation equipment cannot be worked that causes to be repaired, guarantee system can maximally utilise wind energy and solar energy resources.
Brief description of the drawings
Fig. 1 is wind-light-diesel electric power system universal charge controller circuit theory diagrams of the present invention;
Fig. 2 is control circuit theory diagram in universal charge controller of the present invention;
Fig. 3 is control function option program flow chart of the present invention;
Fig. 4 is photovoltaic charged control flow chart in the inventive method;
Fig. 5 is blower fan charging control flow chart in the inventive method;
Fig. 6 is diesel generating set charging control flow chart in the inventive method.
Embodiment
As shown in Figure 1, wind-light-diesel electric power system universal charge controller of the present invention comprises: current rectifying and wave filtering circuit, buck circuit, blower fan discharging circuit and control circuit, wherein after the input parallel connection of blower fan discharging circuit and current rectifying and wave filtering circuit, be connected with input power (being introduced by the input air plug in Fig. 1), control circuit is by control signal wire and current rectifying and wave filtering circuit, buck circuit and blower fan discharging circuit (electric energy of wind-driven generator is from the input of input air plug) connect, the working power end of control circuit is by be connected with buck circuit (by a breaker control break-make), the input of buck circuit is connected with the output of rectification circuit, and the output of buck circuit, as the output of charge controller, is connected with batteries.
In the present embodiment, the input electric energy of wind-driven generator, photovoltaic arrays or diesel generating set is after three-phase commutation bridge ZL1 rectification, the 1st, 2 capacitor C 1 and C2 by two series connection carry out filtering, and the 1st, 2 resistance R 1 and R2 are for the terminal voltage of balanced above-mentioned two electric capacity; Digital signal controller in control circuit is by signal deteching circuit and telecommunication circuit feedack, by the duty ratio of IGBT drive circuit control switch device IGBT, by inductor filter, realize the adjusting of output current again, the 3rd capacitor C 3 is for absorbing the spike energy producing when IGBT turn-offs; Too high at blower fan input voltage, when accumulator battery voltage is too high or charging current is excessive, control circuit control the 2nd relay J 2 adhesives, charge to after the single-phase full bridge circuit rectification that two inputs of blower fan form through transformer BYQ2 with by 1st～4 diode D1～D4 the 4th capacitor C 4, when the 4th capacitor C 4 voltages appreciate after high certain numerical value, drive 1st～3 controllable silicon DL1～DL3 to open rectified three-phase circuit, blower fan access discharging circuit, disconnect aviation contactor J1 simultaneously, complete the off-load control function of blower fan.The 2nd relay J 2 is normally closed relay, and after power supply is cut off, blower fan is forced to access unloader.The output voltage that in figure, voltage signal 2 is buck circuit.
Described buck circuit is using IGBT as switching device, and IGBT front end is connected with rectification filter circuit output end, and rear end is connected to the output of charge controller by filter inductance L, and the pwm signal of IGBT is inputted by IGBT drive circuit in control circuit.
Described control circuit comprises governor circuit and IGBT drive circuit, wherein governor circuit is taking digital signal controller as control core, its input is connected with signal deteching circuit, function selector circuit, crystal oscillating circuit and power circuit, and output is connected to the pwm signal input of IGBT in buck circuit by IGBT drive circuit.
Described signal deteching circuit comprises temperature sensing circuit, current detection circuit and voltage detecting circuit, wherein the current signal of current detection circuit carrys out the current transformer in self-rectifying filter filter circuit and buck circuit, and the temperature signal of temperature sensing circuit is from the temperature sensor of being located in IGBT spreader surface; The voltage signal of voltage detecting circuit is from tension measuring circuit 1 and tension measuring circuit 2.
Described function setting circuit is toggle switch (the present embodiment adopts 2 toggle switchs), and it is connected with the data pin of digital signal controller.
Power circuit is connected with the respective pins of digital signal controller.
Also have man-machine interface circuit and/or serial ports, digital signal controller is undertaken alternately by man-machine interface circuit and user, or carries out communication by serial ports and external equipment (as direct-current supervision module).
As shown in Figure 2, control unit is using dsPIC30F digital signal controller as control core, and built-in photovoltaic charged maximal power tracing control program, blower fan charge and off-load control program and diesel engine charging control program.Peripheral circuit comprises signal deteching circuit, function setting circuit, telecommunication circuit, IGBT drive circuit, crystal oscillating circuit and power circuit etc.Digital signal controller is selected different control programs by the set condition of 2 dial-ups in measuring ability initialization circuit, by the duty ratio of IGBT drive circuit control switch device IGBT; Described voltage detecting circuit adopts high-precision linear optic coupling element detectable voltage signals, and described voltage detecting circuit adopts annular instrument transformer sensed current signal; Described telecommunication circuit adopts MAX485 chip and specialized protocol and the external world to carry out information exchange.
As shown in Figure 3, the control method of wind-light-diesel electric power system universal charge controller of the present invention comprises the following steps:
Determine startup any class generating set by detecting the set condition of toggle switch, carry out photovoltaic charged control program, blower fan charging control program or diesel engine charging control program by governor circuit, wherein: in the time that the set condition of toggle switch is 00, governor circuit is carried out photovoltaic charged control program; In the time that the set condition of 2 toggle switchs is 01, governor circuit is carried out blower fan charging control program; In the time that the set condition of 2 toggle switchs is 10, governor circuit is carried out diesel engine charging control program.
As shown in Figure 4, described photovoltaic charged control program is:
Whether the output valve that judges the voltage after rectification in current rectifying and wave filtering circuit (being the voltage signal 1 shown in Fig. 1) is greater than threshold voltage (300V);
If when the output valve of voltage signal 1 is greater than threshold voltage (300V), detect accumulator battery voltage;
In the time that accumulator battery voltage is more than or equal to even charging voltage, batteries is carried out to uniform charging to the stipulated time;
Carry out floating charge, go to and judge whether the output valve of voltage signal 1 is greater than threshold voltage (300V) step.
If when accumulator battery voltage is less than even charging voltage, judge whether accumulator battery voltage is less than Cross prevention voltage;
If accumulator battery voltage is not less than Cross prevention voltage, judge whether to carry out global search;
If do not carry out global search, control IGBT duty ratio and be changed to 1 by 0, carry out global search repeatedly with step-length a, search repeatedly the duty ratio λ that makes photovoltaic arrays power output maximum in search procedure
max;
With duty ratio λ
maxcontrol IGBT work;
Judge whether the stable state time exceed schedule time (3min), as exceed schedule time, then judge whether power output occurs significantly changing;
As occurred significantly changing, control IGBT duty ratio by lower limit (0.9 λ
max) be changed to the upper limit (1.1 λ
max), to specify that step-length (a/10) carries out Local Search, search this and this time make in search procedure the duty ratio of photovoltaic arrays power output maximum;
Go to and judge whether the output valve of voltage signal 1 is greater than threshold voltage (300V) step.
If significantly changing does not appear in power output or the stable state time does not exceed schedule time, go to duty ratio λ
maxcontrol IGBT job step;
If carried out global search, directly with duty ratio λ
maxcontrol IGBT work, continue and judge stable state time (3min) step that whether exceeds schedule time;
If accumulator battery voltage is less than Cross prevention voltage, carry out trickle charge, continue and carry out maximal power tracing control program step.
As shown in Figure 5, described blower fan charging control flow is:
Whether the output valve that judges voltage signal 1 is greater than protection voltage (800V);
If the output valve of voltage signal 1 is not more than protection voltage, connect aviation contactor J1, disconnect the 2nd relay J 2, detect accumulator battery voltage;
Judge whether accumulator battery voltage is more than or equal to even charging voltage;
In the time that accumulator battery voltage is more than or equal to even charging voltage, batteries is all filled and is charged to the stipulated time;
To batteries floating charge, go to and judge whether the output valve of voltage signal 1 is greater than protection voltage (800V) step.
When accumulator battery voltage is not more than while equaling even charging voltage, judge whether accumulator battery voltage is less than Cross prevention voltage;
In the time that accumulator battery voltage is not less than Cross prevention voltage, batteries is charged normal;
Judge whether charging current is greater than protective current (42A);
In the time that charging current is not more than protective current, large current charge is carried out in the whole conductings of IGBT;
Go to and judge whether the input voltage of voltage signal 1 is greater than protection voltage (800V) step.
In the time that charging current is greater than protective current, use pid control algorithm control IGBT duty ratio, make charging current constant in protective current (42A);
Go to and judge whether the output valve of voltage signal 1 is greater than protection voltage (800V) step.
In the time that accumulator battery voltage is less than Cross prevention voltage, to batteries trickle charge;
Continue and judge that accumulator battery voltage is less than the step of Cross prevention voltage.
In the time that the output valve of voltage signal 1 is greater than protection voltage (800V), disconnect aviation contactor J1, adhesive the 1st relay J 2, fan off-load.
Go to and judge whether the output valve of voltage signal 1 is greater than protection voltage steps.
As shown in Figure 6, described diesel generating set charging control flow is:
Detect accumulator battery voltage;
Judge whether accumulator battery voltage is less than Cross prevention voltage;
In the time that accumulator battery voltage is less than Cross prevention voltage, to batteries trickle charge, goes to and detect accumulator battery voltage step;
In the time that accumulator battery voltage is not less than Cross prevention voltage, goes to and detect accumulator battery voltage step.
Claims (11)
1. a control method for wind-light-diesel electric power system universal charge controller, described wind-light-diesel electric power system universal charge controller, comprising: current rectifying and wave filtering circuit, buck circuit, blower fan discharging circuit, control circuit; Wherein, after the input parallel connection of blower fan discharging circuit and current rectifying and wave filtering circuit, be connected with input power; Control circuit is connected with current rectifying and wave filtering circuit, buck circuit and blower fan discharging circuit by control signal wire, and the working power of control circuit is connected with buck circuit; The input of buck circuit is connected with the output of current rectifying and wave filtering circuit; The output of buck circuit, as the output of charge controller, is connected with batteries;
Described control circuit comprises governor circuit and IGBT drive circuit, wherein governor circuit is taking digital signal controller as control core, its input is connected with signal deteching circuit, function selector circuit, crystal oscillating circuit and power circuit, and output is connected to the pwm signal input of IGBT in buck circuit by IGBT drive circuit;
Described function selector circuit is toggle switch;
Described buck circuit is using IGBT as switching device, IGBT front end is connected with rectification filter circuit output end, rear end is connected to the output of charge controller by filter inductance (L), the pwm signal of IGBT is inputted by IGBT drive circuit in control circuit;
It is characterized in that, described control method comprises the following steps:
Determine startup any class generating set by detecting the set condition of toggle switch, and carry out photovoltaic charged control step, blower fan charging control step or diesel engine charging by governor circuit and control step, wherein
Described photovoltaic charged control step comprises:
Judge the voltage after rectification in current rectifying and wave filtering circuit the output valve of the first voltage signal whether be greater than threshold voltage;
If when the output valve of the first voltage signal is greater than threshold voltage, detect accumulator battery voltage;
In the time that accumulator battery voltage is more than or equal to even charging voltage, batteries is all filled and is charged to the stipulated time;
Carry out floating charge, go to and judge whether the output valve of the first voltage signal is greater than threshold voltage step;
If when accumulator battery voltage is less than even charging voltage, judge whether accumulator battery voltage is less than Cross prevention voltage;
If accumulator battery voltage is not less than Cross prevention voltage, judge whether to carry out global search;
If do not carry out global search, control IGBT duty ratio and be changed to 1 by 0, carry out global search repeatedly with step-length a, search repeatedly the duty λ that makes photovoltaic arrays power output maximum in search procedure
max;
With duty ratio λ
maxcontrol IGBT work;
Judge whether the stable state time exceed schedule time, if exceeded schedule time, then judge whether power output occurs significantly changing;
As occur significantly change, control IGBT duty ratio by lower limit variation to the upper limit, carry out Local Search with regulation step-length, search the duty ratio that makes photovoltaic arrays power output maximum in this search procedure;
Go to and judge whether the output valve of the first voltage signal is greater than threshold voltage step.
2. by the control method of wind-light-diesel electric power system universal charge controller claimed in claim 1, it is characterized in that: if significantly changing does not appear in power output or the stable state time does not exceed schedule time, go to duty ratio λ
maxcontrol IGBT job step.
3. by the control method of wind-light-diesel electric power system universal charge controller claimed in claim 1, it is characterized in that: if carried out global search, directly with duty ratio λ
maxcontrol IGBT work, continue and judge the stable state time step that whether exceeds schedule time.
4. by the control method of wind-light-diesel electric power system universal charge controller claimed in claim 1, it is characterized in that: if accumulator battery voltage is less than Cross prevention voltage, carry out trickle charge, continue and carry out maximal power tracing control step.
5. by the control method of wind-light-diesel electric power system universal charge controller claimed in claim 1, it is characterized in that described blower fan charging control step comprises:
Whether the output valve that judges the first voltage signal is greater than protection voltage:
If the output valve of the first voltage signal is not more than protection voltage, detect accumulator battery voltage:
Judge when accumulator battery voltage is more than or equal to even charging voltage, batteries is all charged to the stipulated time;
To batteries floating charge, go to and judge whether the output valve of the first voltage signal is greater than protection voltage steps.
6. by the control method of wind-light-diesel electric power system universal charge controller claimed in claim 5, it is characterized in that: described blower fan charging is controlled step and also comprised:
When accumulator battery voltage is not more than while equaling even charging voltage, judge whether accumulator battery voltage is less than Cross prevention voltage;
In the time that accumulator battery voltage is not less than Cross prevention voltage, batteries is charged normal;
Judge whether charging current is greater than protective current;
In the time that charging current is not more than protective current, large current charge is carried out in the whole conductings of IGBT;
Go to and judge whether the output valve of the first voltage signal is greater than protection voltage steps.
7. by the control method of wind-light-diesel electric power system universal charge controller claimed in claim 6, it is characterized in that: described blower fan charging is controlled step and also comprised:
In the time that charging current is greater than protective current, use pid control algorithm control IGBT duty ratio, make charging current constant in protective current;
Go to and judge whether the output valve of the first voltage signal is greater than protection voltage steps.
8. by the control method of wind-light-diesel electric power system universal charge controller claimed in claim 6, it is characterized in that: described blower fan charging is controlled step and also comprised: in the time that accumulator battery voltage is less than Cross prevention voltage, to batteries trickle charge;
Continue and judge that accumulator battery voltage is less than the step of Cross prevention voltage.
9. by the control method of wind-light-diesel electric power system universal charge controller claimed in claim 5, it is characterized in that: described blower fan charging is controlled step and also comprised: in the time that the output valve of the first voltage signal is greater than protection voltage, fan off-load;
Go to and judge whether the output valve of the first voltage signal is greater than protection voltage steps.
10. by the control method of wind-light-diesel electric power system universal charge controller claimed in claim 1, it is characterized in that: described diesel engine charging is controlled step and comprised:
Detect accumulator battery voltage;
Judge whether accumulator battery voltage is less than Cross prevention voltage;
In the time that accumulator battery voltage is less than Cross prevention voltage, to batteries trickle charge, goes to and detect accumulator battery voltage step.
11. by the control method of wind-light-diesel electric power system universal charge controller claimed in claim 10; it is characterized in that: described diesel engine charging is controlled step and also comprised: in the time that accumulator battery voltage is not less than Cross prevention voltage, goes to and detect accumulator battery voltage step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110036921.XA CN102638061B (en) | 2011-02-12 | 2011-02-12 | General charging controller for wind-light-diesel combined power supply system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110036921.XA CN102638061B (en) | 2011-02-12 | 2011-02-12 | General charging controller for wind-light-diesel combined power supply system and control method thereof |
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| CN102638061B true CN102638061B (en) | 2014-12-03 |
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| CN104460366A (en) * | 2014-10-31 | 2015-03-25 | 北京汇金英和科技有限公司 | Electronic equipment |
| CN109144162A (en) * | 2018-08-03 | 2019-01-04 | 东泰高科装备科技有限公司 | Maximum power point tracing method and device, the storage medium of photovoltaic cell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201369576Y (en) * | 2008-12-04 | 2009-12-23 | 新疆新能源股份有限公司 | Wind power/photovoltaic dual-purpose charge controller |
| CN101630851A (en) * | 2008-07-16 | 2010-01-20 | 扬州森源电气有限公司 | Wind-light complementary generating control device for ships |
| CN101826793A (en) * | 2009-03-03 | 2010-09-08 | 天津市睿芯隆科技有限公司 | Energy conversion controller |
| CN201733119U (en) * | 2010-05-14 | 2011-02-02 | 深圳市永联科技有限公司 | Wind-light complementary controlling-inverting integrated machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3825020B2 (en) * | 2002-08-01 | 2006-09-20 | 株式会社アイ・ヒッツ研究所 | Distributed power supply system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101630851A (en) * | 2008-07-16 | 2010-01-20 | 扬州森源电气有限公司 | Wind-light complementary generating control device for ships |
| CN201369576Y (en) * | 2008-12-04 | 2009-12-23 | 新疆新能源股份有限公司 | Wind power/photovoltaic dual-purpose charge controller |
| CN101826793A (en) * | 2009-03-03 | 2010-09-08 | 天津市睿芯隆科技有限公司 | Energy conversion controller |
| CN201733119U (en) * | 2010-05-14 | 2011-02-02 | 深圳市永联科技有限公司 | Wind-light complementary controlling-inverting integrated machine |
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