A New Control Method to Reduce the Low-Frequency Output Current Ripple of AC-DC Converters by Using Virtual Inductor | Zendy

Pekik Argo Dahono | Zendy

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A New Control Method to Reduce the Low-Frequency Output Current Ripple of AC-DC Converters by Using Virtual Inductor

Author(s) -

Pekik Argo Dahono

Publication year - 2012

Publication title -

itb journal of engineering science

Language(s) - English

Resource type - Journals

ISSN - 1978-3051

DOI - 10.5614/itbj.eng.sci.2012.44.1.4

Subject(s) - inductor , ripple , converters , control theory (sociology) , current (fluid) , switching frequency , computer science , electrical engineering , electronic engineering , control (management) , engineering , voltage , artificial intelligence

A new concept of virtual inductor to reduce the low-frequency dc output current ripple of ac-dc converters is introduced in this paper. Virtual inductor is defined as an additional control algorithm that changes the system behavior into the one that has an additional inductor connected on it. The virtual nature of the inductor makes the inductance can be designed without weight and volume restrictions. How to use the virtual inductor to improve the performance of converter current controller is discussed in this paper. Several simulated and experimental results are included to show the validity of the proposed concept

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