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1、分类号分类号 密密 级级 U D C 单位代码单位代码 1 电力系统谐波抑制及无功补偿方法的研究工程领域工程领域: 电气工程电气工程 校外指导教师校外指导教师: + 高级工程师高级工程师电力系统谐波抑制及无功补偿方法的研究电力系统谐波抑制及无功补偿方法的研究 + 宋体四号加粗宋体四号加粗)硕硕 士士 学学 位位 论论 文文电力系统谐波抑制及无功补偿方法的研究工程领域工程领域: 电气工程电气工程研研 究究 生生: +校内指导教师校内指导教师: + 教授教授校外指导教师校外指导教师: + 高级工程师高级工程师辽宁工业大学辽宁工业大学 电气工程学院电气工程学院Masteral Dissertatio
2、nStudy on Harmonic Suppression and Reactive Power Compensation of Power SystemSpeciality: Electrical EngineeringCandidate: +Supervisors: Professor +Engineer +摘要 辽宁工业大学硕士学位论文I摘 要随着电力电子技术在电力系统的广泛应用，工业化进程得到飞速发展，由此引发的电能质量问题也备受关注，尤其是阻感性负载的运行过程给电网带来的无功供应和谐波污染问题。为了使电能质量达到安全可靠、优质经济的要求，深入研究无功补偿和谐波抑制技术具有深远的现实
3、意义。首先，针对电力系统的谐波和无功现状，本文论证了谐波抑制和无功综合装置的可行性，并分别对谐波的治理措施和无功补偿原理进行了深入研究，为谐波抑制和无功综合装置的研究提供了理论依据。其次，对谐波和无功电流的综合检测方法的性能进行分析对比，重点研究了基于瞬时无功功率理论的 ip-iq 检测法，并在理论基础上对这种检测方法进行了仿真，验证了此方法的检测速度快、精准性高和实时性好等优势。最后，设计了以有源电力滤波器（APF）为核心与静止无功发生器（SVC）联合运行的综合装置，该装置由结构相同的多组晶闸管投切电容器 TSC 和呈 H 桥型连接的APF 并联在电网上，通过 TSC 和 APF 的互补互利
4、实现综合治理的目的。同时，将此综合装置应用于锦州拓新电力电子有限公司的实验之中，通过对实验数据的处理和分析，验证了此装置在提高系统动态性能及稳定性方面具有更可靠、更速动、更灵敏的优势。关键词：电能质量；动态无功补偿；谐波抑制；综合补偿控制策略；电流检测方法；关键词：电能质量；动态无功补偿；谐波抑制；综合补偿控制策略；电流检测方法；Abstract 辽宁工业大学硕士学位论文IIAbstractWith the wide application of power electronic technology in power system, the indutr- - ialization proc
5、ess to get rapid development, but much attention has been paid to power quality problems especially the process of inductive load resistance to the power grid to supply reactive power and harmonic pollution problem. In order to make the power quality reach the requirement of safe and reliable, high
6、quality economic, so further study of reactive power compensation and harmonic suppression technology has far-reaching practical sign- -ificance. Firstly, according to current situation of power system harmonic and reactive power, this paper demonstrated the feasibility of harmonic and reactive powe
7、r integrated compensation device, and the control measures of harmonic and reactive power compensation principle were studied, except that，the paper provided a theoretical basis for the study of harmonic and reactive power compensation device and the comprehensive. Secondly, an analysis comparison b
8、etween the harmonic and reactive current detection method of performance has been done , and especially we mainly studied ip-iq tests based on the instantaneous reactive power theory, and made a simulation about the detection methods based on the theory, we verified the advantages, the detection pre
9、cision of the method and the real time. Finally, the design of active power filter (APF) as the core and the static reactive power generator (SVC) joint operation of comprehensive compensation device was made, the device by the structure of the same set of TSC,The thyristor for capacitor and the H b
10、ridge connection of APF was on the grid in parallel, achieving the goal of comprehensive compensation by TSC and APFs complementary and mutual benefit. At the same time, the comprehensive compensation device was applying to jinzhou new power electronics Company.This device was verified in improving
11、system dynamic performance and stability is more reliable, more quick, more sensitive, based on the experimental data processing and analysis.Key words: Power System; reactive power compensation; harmonic suppression comprehensive; compensation control strategy; the instruction current detection method目录 辽宁工业大学硕士学位论文III目 录摘 要.IAbstract .II1 绪论.11.1 课题研究的背景和意义.11.2 影响电能质量的因素.11.3 谐波抑制和无功补偿国内外研究现状.21.3.1 谐波抑制和无功补偿的国内外的研究现状.21.3.2 综合装置的国内外研究现状.31.4 本论文的主要研究工作.42 电网谐波分析及其抑制.52.1 谐波产生的危害及谐波标准.52.2 谐波治理的措施.72.
