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Research of Solar Power Station Controller Based on ARM Processor

Author: GuoTianXiang
Tutor: DiaoMing
School: Harbin Engineering University
Course: Communication and Information System
Keywords: Solar PV systems Battery Controller High-frequency inverter
CLC: TM571
Type: Master's thesis
Year: 2009
Downloads: 124
Quote: 3
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Abstract


Clean, renewable solar energy more and more attention has been paid in recent years due to growing gradually tense and environmental pollution of the global energy , solar photoelectric conversion technology has evolved to the level of large-scale applications . In the future , the application of solar cells have good prospects for development . Departure from the photovoltaic properties of the solar cell , to study how to make more effective use of solar energy to replace the current energy is undoubtedly of great significance . The subject is based on the operating characteristics of the photovoltaic cells , designed the automatic tracking system of photovoltaic cells of the small-scale solar power plants , due to the changing position of the sun in the sky , this paper using the automatic tracking system , by by ARM7S3C44B0 and peripheral circuits The drive system condenser is always toward the sun . After dark , the battery panel and turned east again , diurnal cycle run . The this topic ARM7 chip S3C44B0 , complete charge and discharge controller design of efficient solar power station system , using real-time dynamic follow , ahead suppression control protection batteries overcharge . Real-time acquisition system voltage and discharge current protection batteries over discharge . The peripheral circuit protection system and the abnormal alarm system equipment package can be safe and secure operation of unmanned surveillance state . Frequency the traditional inverter to workers for more , the subject of a high-frequency inverter technology , replaced former stage boost DC / DC power frequency transformer after class boost ; After level inverter main circuit of the single-phase full-bridge link , using the feedforward correction with proportional links Proportional Integral regulation and control strategies to achieve low-voltage DC input , standard mains output . Detailed paper introduces the principle and structure design of the voltage and current double closed-loop control , and the establishment of a mathematical model of the full-bridge inverter circuit analysis of the control system , high output voltage sine , good stability , mutation load system The dynamic response speed is greatly improved, in line with the actual use conditions .

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CLC: > Industrial Technology > Electrotechnical > Electrical > Controllers,contactors, starters,solenoid > Controller
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