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一种虚拟同步型构网储能变流器的故障电流抑制方法

Gaoya dianqi
构网型变流器的恒压输出特性使其在故障状态下会出现过电流，这限制了其应用推广。文中提出了一种虚拟同步型构网储能变流器的故障电流抑制方法，在实现惯性增强的前提下，能够限制故障电流。首先，基于虚拟同步发电机原理，给出了控制策略，并分析其惯性增强作用。然后，分析了故障状态下过电流的原因：功率指令无法及时调整以及电压跌落瞬态分量是产生过电流的两个主要因素，并设计了一种基于功率补偿与电压补偿的前馈控制策略，在单相以及三相故障下均可消除过电流的影响。最后，搭建了MATLAB/Simulink仿真模型 ...
王涛, 王聪, 朱恩泽, 戎士敏, 李娜   +4 more
doaj  

[Research on weighted hypergraph attention neural network for the diagnosis of psychiatric disorders using brain functional connectivity networks]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Lin X, Wang Z, Yan H, Zeng S, Wang P, Wu Z, Yu X, Han J.   +7 more
europepmc   +1 more source

[Cluster-guided adaptive Transformer for muscle fatigue prediction]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Fan B, Bao X, Ding L, Wu J.
europepmc   +1 more source

[Progress in regulating stem cell functions for repair and regeneration of craniomaxillofacial tissues]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Zhang H, Yang F, Yang R.
europepmc   +1 more source

[Collaborative motion control method for dual-arm surgical robots based on hybrid multi-stage optimization]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Lin B, Li K.
europepmc   +1 more source

[The role and mechanism of chemokine network in promoting osteoarthritis progression by regulating synovial macrophage heterogeneity]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Lin Y, Wu L, Chen Q, Shen B.
europepmc   +1 more source

[Mechanobiology of peripheral nerve development: mechanical properties, sensing, and response]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Liu T, Lu L, Wang Y.
europepmc   +1 more source

[Different Astragalus medicinal pairs improve diabetic nephropathy in mice by regulating lipid peroxidation through PTGS2]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Chen X, Jing Y, Liang H, Zhong J, Chen Z, Peng Y, Dai J, Xiao Y.   +7 more
europepmc   +1 more source

[Electroencephalogram emotion recognition based on state-space models combined with spatio-temporal feature]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Wang C, Zhang J, Dou J, Wang C, Chang W.
europepmc   +1 more source

[Advances in the role of miR-378a in skeletal muscle development and diseases]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Ding ZT, Lan D.
europepmc   +1 more source