Adaptive Damping Design of PMSG Integrated Power System with Virtual Synchronous Generator Control

Jun Deng, Jianbo Wang, Shupeng Li, Haijing Zhang, Shutao Peng and Tong Wang
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Jun Deng: State Grid Shaanxi Electric Power Research Institute, Xi’an 710100, China
Jianbo Wang: State Grid Shaanxi Electric Power Research Institute, Xi’an 710100, China
Shupeng Li: State Grid Shaanxi Electric Power Research Institute, Xi’an 710100, China
Haijing Zhang: State Grid Shaanxi Electric Power Research Institute, Xi’an 710100, China
Shutao Peng: State Grid Shaanxi Electric Power Research Institute, Xi’an 710100, China
Tong Wang: School of Electrical & Electronic Engineering, North China Electric Power University, Changping District, Beijing 102206, China

Energies, 2020, vol. 13, issue 8, 1-17

Abstract: With the continuous development of wind power capacity, a large number of wind turbines connected by power electronic devices make the system inertia lower, which leads to the problem of system frequency stability degradation. The virtual synchronous generator (VSG) control can make wind turbines possess inertia and damping. However, the stochastic dynamic behavior of wind generation results in the stochastic changing of operating condition; this paper presents an adaptive subsynchronous oscillation (SSO) damping control method for the wind generation with VSG control. Firstly, the small signal model of the permanent magnet synchronous generator (PMSG) with VSG is built, and the model of state space is derived and built. The active power of PMSG is selected as the variable parameter vector to establish a polytopic linear variable parameter system model. Then, based on the hybrid H 2 /H ∞ control method, each vertex state feedback matrix is solved by linear matrix inequality, and a subsynchronous oscillation adaptive damping controller with polytope is obtained. Finally, the 4-machine 2-area system connected to two PMSGs with VSG control is used as the test system for time domain simulation. The simulation results demonstrate that the LPV based adaptive damping controller could provide enough damping under the circumstances of wider changes of wind power outputs.

Keywords: virtual synchronous generator; adaptive damping control; PMSG; LPV (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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