Harmonic Assessment for Wind Parks Based on Sensitivity Analysis

被引：41

作者：

Liu, Zifa ^{[1
]}

Rong, Jun ^{[2
]}

Zhao, Guankun ^{[1
]}

Luo, Ya ^{[1
]}

机构：

[1] North China Elect Power Univ, Sch Elect & Elect Engn, Beijing 102206, Peoples R China

[2] Southwest Jiaotong Univ, Dept Elect Engn, Chengdu 610031, Sichuan, Peoples R China

来源：

IEEE TRANSACTIONS ON SUSTAINABLE ENERGY | 2017年 / 8卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Cable; DFIG harmonic model; harmonic resonance; sensitivity analysis; wind park; RESONANCE MODE ANALYSIS; SYSTEMS; DESIGN;

D O I：

10.1109/TSTE.2017.2680461

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The wind power generation is currently a promising renewable energy technology. A critical feature of wind park is the existence of large distributed capacitance because of the cable laying and offshore cable transmission. This phenomenon is likely to cause harmonic resonance issues, and may threat the safety operation of wind parks. Meanwhile, the operation condition of wind turbines and the topology of wind parks affect the system structure and parameters, then affect the system harmonic resonance. Therefore, a dynamic harmonic model of the most widely used doubly fed induction generator was established to study the behaviors of harmonic resonance. At the same time, other primary electrical components in wind parks are also considered, such as power cables and transformers. In this paper, the harmonic resonance of the wind park is investigated based on the measured data and the modal sensitivity analysis. With considering the impact of various parameters on the frequency and amplitude of resonance, the sensitivity indices for these parameters are also calculated. Finally, the frequency shift method is introduced to solve resonance issue.

引用

页码：1373 / 1382

页数：10

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