电力系统保护与控制
電力繫統保護與控製
전력계통보호여공제
POWER SYSTM PROTECTION AND CONTROL
2009年
13期
7-12,31
,共7页
微型燃气轮机%自抗扰控制%建模%仿真研究
微型燃氣輪機%自抗擾控製%建模%倣真研究
미형연기륜궤%자항우공제%건모%방진연구
microturbine%auto disturbance rejection control%modeling%simulation research
微型燃气轮机是一个复杂的热能动力系统,它的不确定性与非线性特性使得难以对其实现高精度控制,为了实现对微型燃气轮机的稳定控制,充分发挥微型燃气轮机在分布式发电中的优越性,引入自抗扰控制器,以转速为输入设计扩张观测器,利用前馈环节予以补偿,同时通过非线性组合抑制转速偏差,实现整个微型燃气轮机控制的优化.论文详细介绍了微型燃气轮机的模型及ADRC控制策略,通过负荷波动仿真及鲁棒性仿真来研究自抗扰控制器在提高微型燃气轮机系统稳定性上的优势.仿真结果表明,基于自抗扰控制器的微型燃气轮机表现出良好的动态性能,具有较强的鲁棒性能.
微型燃氣輪機是一箇複雜的熱能動力繫統,它的不確定性與非線性特性使得難以對其實現高精度控製,為瞭實現對微型燃氣輪機的穩定控製,充分髮揮微型燃氣輪機在分佈式髮電中的優越性,引入自抗擾控製器,以轉速為輸入設計擴張觀測器,利用前饋環節予以補償,同時通過非線性組閤抑製轉速偏差,實現整箇微型燃氣輪機控製的優化.論文詳細介紹瞭微型燃氣輪機的模型及ADRC控製策略,通過負荷波動倣真及魯棒性倣真來研究自抗擾控製器在提高微型燃氣輪機繫統穩定性上的優勢.倣真結果錶明,基于自抗擾控製器的微型燃氣輪機錶現齣良好的動態性能,具有較彊的魯棒性能.
미형연기륜궤시일개복잡적열능동력계통,타적불학정성여비선성특성사득난이대기실현고정도공제,위료실현대미형연기륜궤적은정공제,충분발휘미형연기륜궤재분포식발전중적우월성,인입자항우공제기,이전속위수입설계확장관측기,이용전궤배절여이보상,동시통과비선성조합억제전속편차,실현정개미형연기륜궤공제적우화.논문상세개소료미형연기륜궤적모형급ADRC공제책략,통과부하파동방진급로봉성방진래연구자항우공제기재제고미형연기륜궤계통은정성상적우세.방진결과표명,기우자항우공제기적미형연기륜궤표현출량호적동태성능,구유교강적로봉성능.
The microturbine is a complex thermal dynamic model. It is impossible to achieve accurate control because of its uncertainty and nonlinearity. In order to realize its steady control and fully exhibit its advantages among the distributed generation, the auto disturbance rejection control is introduced. Based on the input of rotational speed, extended-state observer is established. Also the controller uses the feedback to compensate and forms nonlinear algorithms to restrain state errors, which leads to optimize the microturbine's control. The paper presents the micro-turbine and the control strategy of ADRC in detail. Researches on how the ADRC improve the stability of the micro-turbine system are done via load disturbance and robust simulation. Simulation results show that the controller possesses good dynamic performance and stronger robustness.
