A simulation model of double-feeding fed induction generator is presented using Maxwell 2D module of Ansoft.The distribution of flux linemagnetic,flux density,air gap magnetic flux density are obtained by the static simulation on the DFIG.The results of simulation meet the requirements of design and provides a theoretical foundation for the optimization of DFIG.

Magnetostatic FEM Analysis of Electromagnetic Field of Mega Watt Level DFIG

This paper afforded a brushless doubly fed machine(BDFM) with radial reluctance rotor structure.Using finite element calculation software,set up the 2D model and analyzed the electromagnetic field.The coreloss and winding loss was calculated at rated power and synchronization operation.Based on the loss data,the temperature field was plot.All the result are investigated to prove its good significance of application and provide the guide for its future optimal design.

Analysis of Electromagnetic and Temperature Field of a Novel Brushless Doubly Fed Machine with Radial Laminated Reluctance Rotor

This article conducts statistical analysis on the wind turbine failure data of a wind farm in Xinjiang in 2019. The main statistical methods include common failure types, total duration of each type of failure, average duration of each type of failure, etc. Based on the results of the previous data statistics, each type of the severity levels of the faults are divided, and finally the number of faults varies with month. The conclusion of the statistical analysis can provide certain guidance to relevant wind turbine operation and maintenance personnel. 

Statistics and Analysis of Wind Turbine Failure Data for a Wind Farm in Xinjiang for One Year

Doubly-fed Induction Generator (DFIG) is an important equipment in electrical power system. Operation state of DFIG is complex: it works at subsynchronism, synchronization and hypersynchrony state. Electromagnetic field is various. There is winding on stator and rotor, it’s more possible for fault to happen. Text discuss structure of DFIG, finite element method (FEM) model including stator rotor and air-gap is created, typical magnetic field is calculated including normal operation state, turn-to-turn and single-phase short-circuit happened, result is analysed, distribution discipline of multiple magnetic field is obtained. It provide the evidence to early failure prediction, basic data to develop and design high-capacity generator, optimize structure and magnetic field analysis of DFIG.

Research on Electrical Power System with Analysis of Fault Operation State Magnetic Field about DFIG in Wind Power

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Research on Electrical Power System with Analysis of Fault Operation State Magnetic Field about DFIG in Wind Power