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Journal of System Simulation

Abstract

Abstract: Three-phase four-bridge distribution static synchronous compensator (D-STATCOM) has the obvious superiority in solving the problems that brought by the three-phase unbalanced loads in the three-phase four-wire low-voltage power supply system. The Euler-Lagrange (EL) cycle average model is established based on the synchronous rotation d-q-0 coordinates. In the light of the nonlinear and strong coupling characteristics, the passivity-based control (PBC) and inverse cross coupling control strategy using the d-q axis nonlinear decoupling control. PBC controller is designed by energy shaping and damping injection (ESDI) based on the passivity of the system. The closed-loop system is demonstrating asymptotically stable according to the Lyapunov stability theory. Simulation results verify to the control strategy deal with three-phase unbalance and other problems effectively.

First Page

1082

Last Page

1089

CLC

TP391.9

Recommended Citation

Zheng Hong, Xu Wencheng, Zhang Jiawei. Passivity-based Control for Three-phase Four-bridge D-STATCOM in Low-voltage Distribution Network[J]. Journal of System Simulation, 2018, 30(3): 1082-1089.

DOI

10.16182/j.issn1004731x.joss.201803039

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