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High Power Energy Feedback AC Electronic Load and its Application in Power System Dynamic Physical Simulation

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3 Author(s)
Jian-feng Zhao ; Southeast Univ., Nanjing ; Shi-feng Pan ; Xun Wang

The control methods and strategies of the modern power electronic technology based AC electronic load (ACEL) are studied. For improving its dynamic performance, the reference current is calculated by numerical value method at real time, and its convergence area is given out. It not only can imitate transmission line, electricity loads as well as short circuit experiments under the fixed impedance model, but also can apply in real time digital simulation system under the fixed current model. Simulation and experiment results indicate the effectiveness of control tactics and methods. The experiment prototype can simulate the impedance keep constant and sudden change under the fixed impedance model, and can accurately track outside signal under the fixed current model, simultaneously the energy that absorb by electronics load can feed it back to power system. The application domain of electronics load is widened and it is one of development direction in power system dynamic physical simulation.

Published in:

Industry Applications Conference, 2007. 42nd IAS Annual Meeting. Conference Record of the 2007 IEEE

Date of Conference:

23-27 Sept. 2007