A Microprocessor-Based Synchronization Scheme for Digitally Controlled Three-Phase Thyristor Power Converters

This paper presents a microprocessor-based scheme that generates the necessary synchronization logical signals for three-phase static power converter control systems. The problem of detecting the phase-to-phase voltage zero-crossing in presence of noise generated by thyristor commutations in constan...

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Veröffentlicht in:	IEEE transactions on industrial electronics (1982) 1983, Vol.IE-30 (4), p.330-333
1. Verfasser:	Pfitscher, Gerson H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Control systems Digital control Electrical engineering. Electrical power engineering Exact sciences and technology Frequency synchronization Phase detection Phase frequency detector Power electronics, power supplies Power generation Signal generators Static power converters Thyristors Voltage
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Beschreibung
Zusammenfassung:	This paper presents a microprocessor-based scheme that generates the necessary synchronization logical signals for three-phase static power converter control systems. The problem of detecting the phase-to-phase voltage zero-crossing in presence of noise generated by thyristor commutations in constant and in variable frequency supplies is discussed, and a microcomputer software solution is proposed.
ISSN:	0278-0046 1557-9948
DOI:	10.1109/TIE.1983.356750