广东电力
廣東電力
엄동전력
GUANGDONG ELECTRIC POWER
2015年
8期
9-14
,共6页
赵祥%张师%周毅博%田军%从述广
趙祥%張師%週毅博%田軍%從述廣
조상%장사%주의박%전군%종술엄
风电机组%风火打捆%特征根分析法%小干扰稳定性%阻尼特性
風電機組%風火打捆%特徵根分析法%小榦擾穩定性%阻尼特性
풍전궤조%풍화타곤%특정근분석법%소간우은정성%조니특성
wind turbine generator%wind-thermal bundled%characteristic root analysis%stability of small interfering%damp-ing characteristic
以西北电网桥湾—武胜风电系统为算例，采用特征值分析法分析了不同类型风电机组、不同风火配比、不同控制方式对风火打捆系统小干扰稳定性的影响。结果表明：当风电渗透率较低时，相比于双馈式风电机组和直驱式同步风电机组，采用恒速异步风电机组的系统阻尼特性最好；当风电比例较高时，系统的运行状态已不满足安全稳定运行的基本要求；与定功率因数控制方式相比，双馈式风电机组运行在定电压控制方式下提高了各振荡模式的阻尼比和系统的小干扰稳定性。最后指出进一步提高双馈式风电机组无功调控能力是下一步研究的重点。
以西北電網橋灣—武勝風電繫統為算例，採用特徵值分析法分析瞭不同類型風電機組、不同風火配比、不同控製方式對風火打捆繫統小榦擾穩定性的影響。結果錶明：噹風電滲透率較低時，相比于雙饋式風電機組和直驅式同步風電機組，採用恆速異步風電機組的繫統阻尼特性最好；噹風電比例較高時，繫統的運行狀態已不滿足安全穩定運行的基本要求；與定功率因數控製方式相比，雙饋式風電機組運行在定電壓控製方式下提高瞭各振盪模式的阻尼比和繫統的小榦擾穩定性。最後指齣進一步提高雙饋式風電機組無功調控能力是下一步研究的重點。
이서북전망교만—무성풍전계통위산례，채용특정치분석법분석료불동류형풍전궤조、불동풍화배비、불동공제방식대풍화타곤계통소간우은정성적영향。결과표명：당풍전삼투솔교저시，상비우쌍궤식풍전궤조화직구식동보풍전궤조，채용항속이보풍전궤조적계통조니특성최호；당풍전비례교고시，계통적운행상태이불만족안전은정운행적기본요구；여정공솔인수공제방식상비，쌍궤식풍전궤조운행재정전압공제방식하제고료각진탕모식적조니비화계통적소간우은정성。최후지출진일보제고쌍궤식풍전궤조무공조공능력시하일보연구적중점。
Taking Qiaowan-Wusheng wind power system of Northwest power grid for an example,characteristic value analy-sis method was used for analyzing affect on stability of small interfering of wind-thermal bundled system by different types of wind turbine generators,different wind fire ratio and control modes.Results indicate that when wind power penetrance is some what low,damping characteristic of the system using constant speed induction wind turbine generator is best compared with that using double-fed wind turbine generator or direct driven synchronous wind turbine generator.When wind power proportion is higher,operational state of the system could not meet basic demand for safe and stable operation and compared with control mode of constant power factor,it could improve damping ratio of various vibration modes and stability of small interfering of the system when double-fed wind turbine generator runs with constant voltage control mode.Improvement of reactive power dispatching ability of double-fed wind turbine generator was pointed to be next research emphasis.
