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DSP-based control frequency power supply
Author: PanTong
Tutor: ZhangChangNian
School: North China University of
Course: Circuits and Systems
Keywords: Switching Regulation System DSP High Frequency
CLC: TN86
Type: Master's thesis
Year: 2010
Downloads: 165
Quote: 0
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Abstract
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With economic developing, promote a rapid growth in energy demand, energy aroused widespread concern. The current power shortage situation in China is still not resolved, many cities can’t solve the problem of inadequate power supply, to develop energy saving and efficient power products to become outstanding problems to be solved related industries. Meanwhile, for now has become increasingly sophisticated electronic technology today, analog circuits of the control system can’t meet the high-speed response of today, using a wide range of electronic applications. The digital signal processing technology with smart chip DSP to have a new opportunity for power supply products, also marks the power industry is moving toward the future digital, high efficiency, energy saving technology development direction.In the whole power system, in addition to the main circuit, the other control circuit, rectifier circuit, sampling circuit is power system stability and timeliness of the key. Under the existing first established in control theory based on small-signal model, and conduct a simulation and analysis, and pulse width modulation according to the principle of high frequency of the signal control. Strive to achieve high frequency in the system, modular, systematic features of the entire control system to improve efficiency and reduce energy consumption, stable back-end electronic applications play a good supply ability.According to design index, the topology of main circuit used Boost DC-DC converter, at the same time control system based on DSP further control, power side of the controlled digitally control. Achieve high frequency, adjustable, controlled high-power system stability.
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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Radio equipment,telecommunications equipment > Power supply
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