基于DSP的TSC型无功补偿控制器的研究_高兆申[1].docx
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1、 论文题目: 基于 DSP的 TSC型无功补偿控制器的 研究 作者姓名: 高 兆 申 入学时间 : 2 0 0 6 年 9 月 专业名称: 信号与信息处理 研究方向: 信息获取与处理系统 指 导 教 师 : 公茂法 职 称: 教 授 论文提交日期: 2009年 5月 论文答辩日期 : 2009年 6月 授予学位日期 . _ STUDY OF THE TSC REACTIVE POWER COMPENSATION CONTROLLER BASED ON DSP A Dissertation submitted in fulfillment of the requirements of the d
2、egree of MASTER OF PHILOSOPHY from Shandong University of Science and Technology by Gao Zhaoshen Supervisor: Professor Gong Maofa College of Information and Electrical Engineering May 2009 声 明 本人呈交给山东科技大学的这篇硕士学位论文,除了所列参考文献和世所 公认的文献外,全部是本人在导师指导下的研究成果。该论文资料尚没有呈交 于其它任何学术机关作鉴定。 硕士生签名 : 日 期 : AFFIRMATION
3、 I declare that this dissertation, submitted in fulfillment of the requirements for the award of Master of Philosophy in Shandong University of Science and Technology, is wholly my own work unless referenced of acknowledge. The document has not been submitted for qualification at any other academic
4、institute. Signature: 摘要 本文针对目前电力网中负载所需的大量无功功率致使电能大量损耗、供电质量恶化、 甚至导致电力系统安全的问题,在详细分析无功补偿的相关理论和算法的基础上,研究 了一种可靠的低成本的基于 DSP的 TSC型低压动态无功补偿控制器。 该控制器在硬件上采用了数字信号处理器 TMS320F2812作为主控制单元,在电网 参数测量模块中采用了三片专用计量芯片 CS5463来完成数据的采集,数据经过 DSP处 理后再通过相应的控制方式和控制算法向执行单元发出投入或切除信号,执行单元主要 有可控硅控制器和可控硅构成。同时为了减轻软件调试的复杂程度以及对实时性的要求
5、, 我们另外用了一个单片机来完成控制器对温度的检测以及控制风机的运行,此外,该系 统还能实现液晶显示、串行通讯、数据存储以及电压报警等功能。在软件上,系统采用 了模块化的设计方法,提高了系统的 通用性和维护的简易程度。在投切控制方式上,系 统采用了电压 /无功功率复合控制的策略,这就避免了以往单一的功率因数控制出现的投 切震荡的问题,使无功补偿更加合理有效。该方案设计的控制器最多能够控制 16路电容 器组,可以应用在低压电网三相共补、三相分补以及共补与分补相结合的电容器组等容 量配置的无功补偿装置中。 最后对整个系统做了相关的实验,试验结果证明利用此方案所设计的无功补偿控制 器测量数据精确,电
6、容器投切准确快捷,无功补偿效果明显,基本能够满足目前低压无 功补偿的需要。该控制器所具有的开发成本低、周期短, 性能可靠稳定的优点,将会使 其以较高的性价比得到推广使用。 关键词: TMS320F281, 无功补偿, TSC, 可控硅 山东科技大学硕士学位论文 _ 摘要 Abstract Aiming at the problems that lots of reactive power required in the current power grid which resulting in substantial loss of power% power quality deteriora
7、tion, and even lead to power system security, on the basis of analyzing the basic theory and control strategy of reactive power compensation, we developed a new kind of TSC low-voltage smart reliable and low-cost reactive power compensation controller based on DSP. In the hardware design of this con
8、troller, TMS320F2812 is used as the main control unit, three dedicated measurement chip CS5463s are used to complete the measurement of data collection, then DSP give switching orders to execute units through corresponding control mode and control algorithm after processing collected datas. Implemen
9、tation unit is formed by SCR controller and SCR. In order to reduce the complexity of software debugging and real-time requirements, we used a single-chip controller for temperature detection and control of the air blower. In addition, the system can also achieve the liquid crystal display, serial c
10、ommunications, data storage, as well as voltage alarm. In terms of software, the system uses a modular design method to improve the systems universal property and reduces the difficulty of system maintenance. In the switching control, the system uses the voltage/reactive power multiplexed control, w
11、hich avoids occuring switching shocks that previous power factor controlling has, so that reactive power compensation bacoming more reasonable and effective. This controller can control up to 16 groups of capacitor and can be used in the device of three-phase joint compensation and the device of thr
12、ee-phase separate compensation and the device of combined the two under the condition of configure the same capacitor without second development. Finally a series of experiment are made about this controller, experimental results shows that the reactive power compensation controller that we designed
13、 have precision measurements, accurate fast capacitor switching, effect of reactive power compensation, the basic low pressure can meet the current needs of reactive power compensation . The controller have lots of advantages such as low cost, short development cycle, reliable performance and stabil
14、ity, which will be intensive used because of its high quality. Keywords: TMS320F281, reactive power compensation, TSC, SCR 目录 1 . 1 1.1课题研究背景及意义 . 1 1.2国内外研究现状及发展趋势 . 2 1.3课题研究的目的 . 5 1.4 本文的主要工作 . 6 2无功补偿的相关理论与算法 . 8 2.1 无功补偿的相关概念 . 8 2.2 TSC型无功补偿 . 12 2.3自动投切控制方式与控制算法的介绍 . 17 2.4本控制器控制方式与控制算法设计 .
15、20 2.4无功补偿与谐波防治 . 23 3控制器的硬件设计 . 26 3.1 系统方案的选择 . 26 3.2控制器整体结构介绍 . 27 3.3控制器具体硬件电路设计 . 28 3.4硬件电路抗干扰设计 . 38 !控制龠的软件设计 . 41 4.1 CCS集成幵发环境 . 41 4.2系统软件整体结构设计 . 42 4.3具体软件模块设计 . 43 4.4软件算法中的改进 . 52 5实验结果及分析 . 55 5.1 实验装置的相关说明 . 55 5.2 实验情况记录 . 55 5.3 实验情况分析总结 . 57 3总结与展望 . 58 山东科技大学硕士学位论文 _ 6.1 本文总结 .
16、 58 6.2 廳 . 59 ii . 60 参考文献 . 61 Contents 1 Introduction . 1 1.1 The study background and significance of the paper . 1 L2 The development process and the status quo of reactive power compensation . 2 1.3 Research purpose and significance of of the paper .5 1.4 The main task of the paper . 6 2 The r
17、elevant theory of the reactive power compensation . 8 2.1 The general concept of the reactive power compensation . 8 2.2 TSC reactive power compensation . 12 2.3 Reactive power compensation and Harmonic Suppression . 17 2.4 The relevant theory and method of compensation adopted by this system . 20 2
18、.5 Reactive power compensation and harmonic control . 23 3 Hardware design of the controller . 26 3.1 The choice of the systemplan26 3.2 The whole structural design of the controller . 27 3.3 Specific circuit design of the controller . 38 3.4 Anti-jamming design of hardware circuit . 38 4 Software d
19、esign of the controller . 41 4.1 CCS IDE . 41 4.2 The whole software structural design of the controller . 42 4.3 Specific software module design of the controller . 43 4.4 Software algorithm improvement . 52 5 Experimental results and analysis . . 55 5.1 Introduction of experimental device . 55 5.2
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