Journal Article10.1177/014233129001200101
Microprocessor-controlled power converter using single bridge rectifier and GTO current switch:
R. John Hill,Fang L. Luo +1 more
1
TL;DR: A four-quadrant AC-fed converter for a DC machine drive using a single bridge thyristor fully controlled rectifier with GTO (gate turn-off) thyristors zero-current reversing switch is described.
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Abstract: A four-quadrant AC-fed converter for a DC machine drive using a single bridge thyristor fully controlled rectifier with GTO (gate turn-off) thyristor zero-current reversing switch is described. The circuit has the advantages of no circulating currents and very short current commutation time. Microprocessor-based control techniques are described which achieve optimum transient operation of the converter.
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Citations
Mathematical Modeling of Digital Power Electronics
Fang Lin Luo,Hong Ye,Muhammad H. Rashid +2 more
- 01 Jan 2005
TL;DR: This chapter mainly describes the mathematical modeling for different types of converters in digital control for AC/DC controlled rectifiers, and deals with first-order transfer function for AC-AC—AC/DC/AC—converters.
References
A Microprocessor Speed Control System
A. K. Lin,W. W. Koepsel +1 more
TL;DR: An approach using digital techniques to control the speed of a chopper-fed D.C. motor using random logic circuits and an Intel 8080 microcomputer offers overall advantages in performance, price, flexibility, reliability and power requirements.
49
A Microprocessor-Based Controller for a Three-Phase Controlled Rectifier Bridge
TL;DR: In this article, a complete design of a microprocessor-based control circuit for a three-phase controlled rectifier bridge is presented, and a flowchart and program listing are provided.
38
Digitally Controlled Thyristor Current Source
TL;DR: In this paper, a digitally controlled current source based on a 6-pulse thyristor bridge is described, where the source is amenable to direct microprocessor control when part of a larger system, and a new method for zero voltage detection and configuration and analysis of a digital proportional-integral (PI) controller are presented.
29
Digital controller for thyristor current source
F.L. Luo,R.D. Jackson,R.J. Hill +2 more
- 01 Jan 1985
TL;DR: In this article, the authors describe the circuits and algorithms used in a microprocessor-controlled AC/DC thyristor convertor to implement a wide-bandwidth closed-loop current source.
20
Fast Response and Optimum Regulation in Digitally Controlled Thyristor Converters
Fang L. Luo,Roland J. Hill +1 more
TL;DR: In this paper, it was found that the completed feedback loop is significant in determining the influence of the distribution parameters to the response, with the first step response considerably improved by using a variable-gain control.
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