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Digital signal processor controlled auxiliary commutated pole converter for high-performance motor drives applications

Lookup NU author(s): Professor Volker Pickert, Dr Christopher Johnson

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Abstract

Resonant and soft-switched inverter drives offer the potential for increased switching frequencies, reduced weight and lower levels of electromagnetic interference when compared to conventional hard-switched drives. Regrettably, low-cost, soft-switching topologies such as resonant link designs suffer from poor control performance while others, such as the ACPI, have a high component count and relatively complex control structures. A low-cost commutation control scheme is proposed for the ACPI, which uses a digital signal processor to determine the optimum switching instants for both auxiliary and main devices. Results are presented comparing the performance of the DSP controlled ACPI with an equivalent hard-switched converter.

Publication metadata

Author(s): Pickert V, Johnson CM

Publication type: Article

Publication status: Published

Journal: Power Engineering Journal

Year: 2000

Volume: 14

Issue: 1

Pages: 5-11

ISSN (print): 0950-3366

ISSN (electronic):

Publisher: The Institution of Engineering and Technology

URL: http://dx.doi.org/10.1049/pe:20000102

DOI: 10.1049/pe:20000102

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