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The Compare-Study of Topology and Control Strategies about the Charging System in Vehicle

Author: SunHongBo
Tutor: ZhaoGang
School: Tianjin University of Technology
Course: Control Theory and Control Engineering
Keywords: Charger Power Factor Correction Policy comparison System Design
CLC: TM910.6
Type: Master's thesis
Year: 2011
Downloads: 121
Quote: 0
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Abstract


The auto industry is an important pillar industry of China's national economy. High consumption and high emissions brought about by the rapid development of the automotive industry has brought a great deal of pressure on resources and the environment. According to the draft released in September 2010, energy-saving and new energy automotive industry planning, state the overall deployment of energy-saving emission reduction and the development of strategic emerging industries, China's automobile industry is moving in the direction of great efforts to develop new energy vehicles. Pure electric vehicles with its energy efficient, zero-emission advantages to become a typical representative of the new energy vehicles, and to become the main direction of the transformation of China's automobile industry. According to the 12th Five-Year Plan \reached more than 500,000. The use of such vehicles can not be separated from the charging system. In electric vehicle research and development, the promotion process, the battery charging technology has been the key to restricting the popularity of electric vehicles, and battery charging performance and new energy vehicles, taking into account the size of the market, \charging the main, not large-scale construction of centralized charging facilities. This topic as a background, development projects relying on Chang'an small pure electric car charger, vehicle charging equipment for the currently common grid pollution and energy consumption problem, in order to improve the performance of the charging system for the purpose of research and design a new type of car charging system. The design uses a 220V AC mains as the input of the charging system, the charging system to the voltage transformation, output adjustable from 0-400V DC voltage, in the monitoring and control of a battery management system, to complete the electric vehicle energy supply. Placed inside the electric car charging system to make it simple and quick completion of the charging a convenient dock spaces in the parking lot, home garage, etc. improve the inconvenience of the current situation of the energy supply of the electric vehicle. Adjustable DC output mode, flexible and controlled by a battery management system. Combined with the three-charge proposed to improve the type of comprehensive terminate the charging method, not only to ensure that the battery is fully charged, but also improve the security of the system. Charging system topology, system analysis, through MATLAB simulation studies, comparative analysis of the corresponding part of the control circuit of the main circuit of a variety of strategies. The specific design and parameters selection and on this basis the various parts of the system components, the specific design of the hardware-based DSP-TMS320F2812. Finally completed a miniaturized, lightweight, intelligent vehicle charging system application system design, and make it in the power factor, the total harmonic distortion, efficiency, etc. having a high-performance indicators.

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CLC: > Industrial Technology > Electrotechnical > Independent power supply technology (direct power) > General issues > Charging method,charging equipment
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