电网技术
電網技術
전망기술
POWER SYSTEM TECHNOLOGY
2013年
6期
1570-1577
,共8页
陈树勇%常晓鹏%孙华东%曾令全
陳樹勇%常曉鵬%孫華東%曾令全
진수용%상효붕%손화동%증령전
风电场%双馈感应风电机组%阻尼特性%特征值分析
風電場%雙饋感應風電機組%阻尼特性%特徵值分析
풍전장%쌍궤감응풍전궤조%조니특성%특정치분석
wind farm%doubly fed induction generator (DFIG)%damping characteristics%eigenvalue analysis
推导了适用于小干扰稳定性分析的双馈感应风电机组(doubly-fed induction generator,DFIG)的数学模型,研究了PSD-BPA中双馈感应风电机组的模型.在PSD-BPA中搭建了包含双馈感应风电机组的IEEE30节点系统,采用特征值分析法详细研究了不同风电穿透率下的双馈感应风电机组接入后对电力系统阻尼特性的影响.理论分析和仿真结果表明:双馈感应风电机组接入后系统的阻尼特性得到了一定的改善,但当系统中风电穿透率较高时,系统阻尼有变弱的趋势.
推導瞭適用于小榦擾穩定性分析的雙饋感應風電機組(doubly-fed induction generator,DFIG)的數學模型,研究瞭PSD-BPA中雙饋感應風電機組的模型.在PSD-BPA中搭建瞭包含雙饋感應風電機組的IEEE30節點繫統,採用特徵值分析法詳細研究瞭不同風電穿透率下的雙饋感應風電機組接入後對電力繫統阻尼特性的影響.理論分析和倣真結果錶明:雙饋感應風電機組接入後繫統的阻尼特性得到瞭一定的改善,但噹繫統中風電穿透率較高時,繫統阻尼有變弱的趨勢.
추도료괄용우소간우은정성분석적쌍궤감응풍전궤조(doubly-fed induction generator,DFIG)적수학모형,연구료PSD-BPA중쌍궤감응풍전궤조적모형.재PSD-BPA중탑건료포함쌍궤감응풍전궤조적IEEE30절점계통,채용특정치분석법상세연구료불동풍전천투솔하적쌍궤감응풍전궤조접입후대전력계통조니특성적영향.이론분석화방진결과표명:쌍궤감응풍전궤조접입후계통적조니특성득도료일정적개선,단당계통중풍전천투솔교고시,계통조니유변약적추세.
A mathematical model of doubly fed induction generator (DFIG) suitable to small signal stability analysis is deduced and the DFIG model in PSD-BPA is researched. An IEEE 30-bus system containing DFIG is constructed in PSD-BPA, and by use of eigenvalue analysis the impacts of grid-connected DFIG on damping characteristics of power system under different wind power penetration rates are researched in detail. Both results from simulation and theoretical analysis show that after the grid-connection of DFIG the damping characteristics of power system can be improved some extent, however the damping characteristics will be weakened under higher wind power penetration rate.