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Tao Zhang
School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, China

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Journal article
Published: 16 July 2019 in Applied Sciences
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Subsynchronous oscillation (SSO) is a critical issue for the direct-drive permanent magnet synchronous generator (D-PMSG) based wind farm integrated to a weak onshore AC grid. To analyze the mechanism of the SSO phenomenon of D-PMSG based wind farm, widely used impedance-based stability analysis method is utilized in this paper. First, the impedance model based on the harmonic linearization theory of grid-connected D-PMSG is proposed, and the mechanism of sub/supsynchronous currents coupling is analyzed quantitatively for the first time. Then, based on the impedance model and relative stability criterion, the influence of wind farm operating parameters and grid impedance on stability is discussed. Simulations are carried out to verify the correctness of theoretical analysis.

ACS Style

Saijun Yuan; Zhiguo Hao; Tao Zhang; Xiaotian Yuan; Jin Shu. Impedance Modeling Based Method for Sub/Supsynchronous Oscillation Analysis of D-PMSG Wind Farm. Applied Sciences 2019, 9, 2831 .

AMA Style

Saijun Yuan, Zhiguo Hao, Tao Zhang, Xiaotian Yuan, Jin Shu. Impedance Modeling Based Method for Sub/Supsynchronous Oscillation Analysis of D-PMSG Wind Farm. Applied Sciences. 2019; 9 (14):2831.

Chicago/Turabian Style

Saijun Yuan; Zhiguo Hao; Tao Zhang; Xiaotian Yuan; Jin Shu. 2019. "Impedance Modeling Based Method for Sub/Supsynchronous Oscillation Analysis of D-PMSG Wind Farm." Applied Sciences 9, no. 14: 2831.