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首页> 外文会议>2017 International Conference on Computer Technology, Electronics and Communication >Characteristic Factor Analysis on Stator Winding Inter-turn Fault in DFIG Based on FEM Simulation
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Characteristic Factor Analysis on Stator Winding Inter-turn Fault in DFIG Based on FEM Simulation

机译：基于有限元仿真的双馈发电机定子绕组匝间故障特征因素分析

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摘要

In the increasingly declining status of fossil fuels, the use of wind power technology in the new energy industry is increased. The steady-state operation of DFIG in harsh environments is affected and prone to malfunction. The stator winding inter-turn short circuit(SWITSC) fault is one of the common electrical faults in DFIG. In this paper, ANSYS Maxwell software is used to establish the FEM simulation model of the DFIG at the grid-connected operation and the stator winding inter-turn short circuit. The paper made the quantitative analysis of vibration, current and loss characterization of air gap flux density distortion in two working conditions. By comparing the size of the characterization, it is determined that the stator current is used as the characteristic factor to reflect the change of the air gap magnetic field of the stator winding inter-turn short circuit fault.
机译：随着化石燃料地位的日益下降，在新能源行业中越来越多地使用风能技术。在恶劣环境中，DFIG的稳态运行会受到影响，并容易出现故障。定子绕组匝间短路（SWITSC）故障是DFIG中常见的电气故障之一。在本文中，ANSYS Maxwell软件用于在并网运行和定子绕组匝间短路的情况下建立DFIG的有限元仿真模型。本文对两种工况下气隙磁通密度畸变的振动，电流和损耗特性进行了定量分析。通过比较特征的大小，确定使用定子电流作为反映定子绕组匝间短路故障的气隙磁场变化的特征因子。

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