CN101860058A - Wind and solar energy mutual compensating power tracking controller based on feedback compensation - Google Patents
Wind and solar energy mutual compensating power tracking controller based on feedback compensation Download PDFInfo
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- CN101860058A CN101860058A CN 201010181982 CN201010181982A CN101860058A CN 101860058 A CN101860058 A CN 101860058A CN 201010181982 CN201010181982 CN 201010181982 CN 201010181982 A CN201010181982 A CN 201010181982A CN 101860058 A CN101860058 A CN 101860058A
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Abstract
The invention discloses a wind and solar energy mutual compensating power tracking controller based on feedback compensation. The tracking controller is characterized in that a control center for monitoring the states of circuits and controlling charging and discharging modes of an accumulator is provided; after the three-phase alternating current outputted by a wind generator passes through a rectifying and filtering circuit, and the direct current outputted by a solar panel passes through an anti-back discharging protection circuit, three-phase alternating current and the direct current charge the accumulator through a DC/DC circuit; the voltage and current in a detecting circuit of the control center modulate the Pulse Width Modulation (PWD) signal through a feedback compensating circuit to control the duty ratio of the DC/DC circuit. The feedback compensating circuit consists of a voltage detecting circuit, an amplifying compensating circuit and an optical coupler transmitting circuit. The output signal of the optical coupler transmitting circuit is sent into the PWM generator to control the charging process of the accumulator. The invention ensures that the controller can track the maximum input power of wind energy and solar energy according to automatic feedback compensation of charging voltage and current.
Description
Technical field
The present invention is a kind of wind light mutual complementing power tracking controller based on feedback compensation, relate to the technical field that wind energy, solar energy etc. have the storage and the utilization of probabilistic energy, the present invention can be used for fields such as the illumination of view energy source complementary road lamp, the complementary road monitoring of view energy source, wind light mutual complementing independent current source.
Background technology
The wind light mutual complementing independent electric power supply of comprehensive utilization wind energy, luminous energy has been opened up a new road for solving current energy crisis and environmental pollution.In the landlocked most of provinces of China, especially some provinces in the middle part of, be subjected to the Natural resources condition restriction, wind-light complementary system is usually operated at low wind speed state, at this moment, the major control target of wind-light complementary system is how the wind energy and the time dependent solar energy of change at random to be converted to electric energy to greatest extent, i.e. the wind and solar energy power tracking.
At present, the wind and solar energy charging is main to be realized by the DC/DC module, in the power tracking controller of DC/DC, its switch inside frequency, external disturbance input power supply and load variations are very serious, closed loop design requires that not only inner and external disturbance are had very strong inhibition ability, guarantee the output static accuracy, and good dynamic response will be arranged.On the other hand, though when load and the normal running conditions of operation under loop may be stable, but when switch on transient changes, also may be impacted and entered continuous oscillation.
Summary of the invention
At the problems referred to above, the invention provides a kind of wind light mutual complementing power tracking controller based on feedback compensation, be intended to by Based Intelligent Control based on feedback compensation, the wind energy AC signal and the solar DC signal of input are converted into stable electric power output, store in the storage battery, make it directly DC load to be powered.
The technical scheme that the present invention solves its technical problem employing is:
The design feature that the present invention is based on the wind light mutual complementing power tracking controller of feedback compensation is: be provided for the supervisory circuit state and control the control centre of accumulator cell charging and discharging pattern; The three-phase alternating current of wind-driven generator output through behind the current rectifying and wave filtering circuit, the direct current of solar panel output behind anti-reverse discharge protection circuit, respectively by the DC/DC circuit to charge in batteries; Electric current and voltage in control centre's testing circuit by feedback compensation circuit modulation (PWM) signal, and is controlled the duty ratio of described DC/DC.
The design feature that the present invention is based on the wind light mutual complementing power tracking controller of feedback compensation also is:
Described feedback compensation circuit is made up of voltage detecting circuit, amplifier compensating circuit, optocoupler transfer circuit, and the output signal of optocoupler transfer circuit is sent into PWM generator, the charging process of control storage battery.
Described voltage detecting circuit is to constitute the voltage signal test side, compare with voltage detection signal and amplifier reference voltage terminal with divider resistance R2, R4; Described amplifier compensating circuit is made of TL431 device Q1 and resistance R 3, capacitor C 3 and C4.
The output signal of described feedback compensation circuit is isolated by optocoupler U1, and feeds back to PWM generator.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the present invention feeds back to output voltage in the DC/DC control circuit by the negative feedback compensation, makes controller can follow the tracks of wind energy, solar energy input power, and forms stable electric power output.
2, system configuration of the present invention is simple, output is stable, efficient is high, has reduced the requirement of wind-light complementary system to environmental resource, has very strong practicality and generalization.
3, the present invention can be used for fields such as view energy source street lighting, view energy source road monitoring, view energy source independent current source.
Description of drawings
Fig. 1 is a structured flowchart of the present invention.
Fig. 2 is a control model block diagram of the present invention.
Fig. 3 is forward direction circuit theory diagrams of the present invention.
Fig. 4 is feedback compensation circuit theory diagrams of the present invention.
Below by embodiment, the invention will be further described in conjunction with the accompanying drawings.
Embodiment
Referring to Fig. 1, be provided for the supervisory circuit state and control the control centre of accumulator cell charging and discharging pattern, the three-phase alternating current of wind-driven generator is behind rectifying and wave-filtering, and the direct current of solar panel passes through the DC/DC circuit respectively to charge in batteries behind anti-reverse discharge prevention; Electric current and voltage in control centre's testing circuit is by feedback compensation circuit modulation (PWM) signal, and the duty ratio of control DC/DC is in order to the charge mode of control storage battery; By detection battery condition control load mode of operation, and by display module indicating circuit current state.
Referring to Fig. 2, in the present embodiment, forward direction circuit of being made up of LC filtering, DC/DC and the feedback compensation circuit of being made up of voltage detecting, amplifier compensation, optocoupler transmission are set; The feedback compensation circuit outputs to the relatively end modulation (PWM) signal of PWM generator, is used to control the duty ratio of DC/DC, promptly controls the operating state of DC/DC.
Shown in Figure 2, the Vi voltage behind anti-direction discharge protection circuit that is the wind energy three-phase alternating current through voltage behind the rectification circuit or solar DC, Vo is an output voltage, that is the charging voltage of storage battery.The forward direction circuit comprises the DC/DC module K that power transmits
PwrWith output filtration module K
LC, K
PwrDetermine by main circuit topology; Output voltage V o is through pressure sampling circuit K
FbCompare with reference voltage Vref the back, through amplifier compensating circuit K
EaThe control signal that obtains is by light-coupled isolation and be delivered to PWM generator K
ModRelatively end, input power is followed the tracks of in control pwm signal modulation.
Fig. 3 is the forward direction circuit diagram of circuit structure shown in Figure 2.Among Fig. 3, inductance L 1 and capacitor C 1 are formed the LC filter circuit, and switching tube V1, V2, diode V3, V4, transformer T1, diode D1, D2 form Buck type master topological circuit, and inductance L 2 and capacitor C 2 are formed output filter circuit.The control signal of PWM generator output is from PWM1 mouth and the input of PWM2 mouth.
Fig. 4 is the feedback compensation circuit diagram of circuit structure shown in Figure 2.Among Fig. 4, output voltage V o is relatively held by the input that optocoupler U1 is delivered to PWM generator behind the feedback compensation circuit.Resistance R 2, R4 constitute voltage-dividing detection circuit and compare with the amplifier reference edge, TL431 device Q1, resistance R 3, capacitor C 3, C4 form the amplifier compensating circuit, its zero limit is proofreaied and correct and is finished via resistance R 3, capacitor C 3 and capacitor C 4, and optocoupler U1 plays the effect of isolation and signal transmission.
Claims (4)
1. based on the wind light mutual complementing power tracking controller of feedback compensation, it is characterized in that, be provided for the supervisory circuit state and control the control centre of accumulator cell charging and discharging pattern; The three-phase alternating current of wind-driven generator output through behind the current rectifying and wave filtering circuit, the direct current of solar panel output behind anti-reverse discharge protection circuit, respectively by the DC/DC circuit to charge in batteries; Electric current and voltage in control centre's testing circuit by feedback compensation circuit modulation (PWM) signal, and is controlled the duty ratio of described DC/DC.
2. the wind light mutual complementing power tracking controller based on feedback compensation according to claim 1, it is characterized in that, described feedback compensation circuit is made up of voltage detecting circuit, amplifier compensating circuit, optocoupler transfer circuit, the output signal of optocoupler transfer circuit is sent into PWM generator, the charging process of control storage battery.
3. the wind light mutual complementing power tracking controller based on feedback compensation according to claim 1 is characterized in that, described voltage detecting circuit is to constitute the voltage signal test side, compare with voltage detection signal and amplifier reference voltage terminal with divider resistance R2, R4; Described amplifier compensating circuit is made of TL431 device Q1 and resistance R 3, capacitor C 3 and C4.
4. the wind light mutual complementing power tracking controller based on feedback compensation according to claim 1 is characterized in that the output signal of described feedback compensation circuit is isolated by optocoupler U1, and feeds back to PWM generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010181982 CN101860058A (en) | 2010-05-25 | 2010-05-25 | Wind and solar energy mutual compensating power tracking controller based on feedback compensation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010181982 CN101860058A (en) | 2010-05-25 | 2010-05-25 | Wind and solar energy mutual compensating power tracking controller based on feedback compensation |
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| CN101860058A true CN101860058A (en) | 2010-10-13 |
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| CN 201010181982 Pending CN101860058A (en) | 2010-05-25 | 2010-05-25 | Wind and solar energy mutual compensating power tracking controller based on feedback compensation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104219826A (en) * | 2013-08-19 | 2014-12-17 | 郑荣裕 | Highly integrated intelligent photovoltaic energy storage control system |
| CN109327146A (en) * | 2018-12-07 | 2019-02-12 | 中国电子科技集团公司第四十三研究所 | A kind of voltage controls loop compensation circuit and the compensation method of isolated form DC/DC converter |
| CN113009213A (en) * | 2021-02-02 | 2021-06-22 | 深圳车库电桩科技有限公司 | Voltage transmitter |
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| CN101459997A (en) * | 2008-12-29 | 2009-06-17 | 安徽风日光电科技有限责任公司 | Wind light complementary road lamp intelligent controller having adaptive adjustment capability |
| CN101540568A (en) * | 2009-04-13 | 2009-09-23 | 北京凯华网联技术有限公司 | High efficiency wind-light supplementary power generation control device |
| 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 |
| CN201742112U (en) * | 2010-05-25 | 2011-02-09 | 安徽浩淼光电科技有限公司 | Wind and solar energy supplementary power tracking controller based on feedback compensation |
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2010
- 2010-05-25 CN CN 201010181982 patent/CN101860058A/en active Pending
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 |
| CN101459997A (en) * | 2008-12-29 | 2009-06-17 | 安徽风日光电科技有限责任公司 | Wind light complementary road lamp intelligent controller having adaptive adjustment capability |
| CN101540568A (en) * | 2009-04-13 | 2009-09-23 | 北京凯华网联技术有限公司 | High efficiency wind-light supplementary power generation control device |
| CN201742112U (en) * | 2010-05-25 | 2011-02-09 | 安徽浩淼光电科技有限公司 | Wind and solar energy supplementary power tracking controller based on feedback compensation |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104219826A (en) * | 2013-08-19 | 2014-12-17 | 郑荣裕 | Highly integrated intelligent photovoltaic energy storage control system |
| CN104219826B (en) * | 2013-08-19 | 2016-08-24 | 广州楷林裕光能源科技有限公司 | A kind of photovoltaic energy storage controls highly integrated intellectualizing system |
| CN109327146A (en) * | 2018-12-07 | 2019-02-12 | 中国电子科技集团公司第四十三研究所 | A kind of voltage controls loop compensation circuit and the compensation method of isolated form DC/DC converter |
| CN109327146B (en) * | 2018-12-07 | 2024-03-22 | 中国电子科技集团公司第四十三研究所 | Loop compensation circuit and compensation method of voltage control isolation type DC/DC converter |
| CN113009213A (en) * | 2021-02-02 | 2021-06-22 | 深圳车库电桩科技有限公司 | Voltage transmitter |
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Application publication date: 20101013 |