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Research on the Hybrid PV/Wind Power System Controller Based on TMS320F2812DSP

Author: LiuYanQin
Tutor: XiZiQiang
School: Hubei University of Technology
Course: Power Electronics and Power Drives
Keywords: Wind and solar controller Maximum power point tracking Variable step size perturbation and observation method
CLC: TM614
Type: Master's thesis
Year: 2009
Downloads: 312
Quote: 5
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Abstract


Wind and solar power generation system as an important part of the application of new energy technology more and more people of all ages , so useful to try and explore this as an entry point for new energy research . U-I curve from photovoltaic solar cells to fight the effects start to deduce the solar cell , and as the theoretical basis of the maximum power tracking (MPPT) technology . There MPPT technology for small fan power generation technology , the article unity of research , given the new control strategy - variable step size perturbation and observation control . In order to improve the efficiency of the charge and discharge of the system , the article on the three-stage charging and discharging , equalizing charge , temperature-compensated battery charging theory described . According to the theory , practical engineering , design scenery complementary controller circuit . Using voltage and current Hall Hall to achieve real-time sampling of the fan voltage , solar battery voltage , battery voltage and charging current , the use of TMS320F2812DSP EVA and AD module software battery undervoltage , overvoltage , running mode smart charging and discharging management. Fan over- speed intelligent protection system for the problem of large fluctuations in the output voltage of the wind generator system provides hardware and software . The system uses MPPT control strategy to improve the efficiency of the entire system , designed to provide a set of LCD display interface and a set of LED indicators enhance the friendliness of the system management . In order to solve the supply problems of wind and solar controller chip , the auxiliary power supply flyback design a core set UC3843PWM chip . The power current inner loop and outer voltage the bicyclic control strategy is implemented in hardware to improve the reliability and stability of the power system . The a scenery complementary controller prototype developed on experiments , testing , and debugging . The experiment waveform data show the reliable operation of the system to achieve the design requirements . The program for wind and solar engineering design of the controller to provide a reference .

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CLC: > Industrial Technology > Electrotechnical > Power generation, power plants > Variety of power generation > Wind power
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