Control options for a bi-directional multilevel traction chopper
Date
1996
Authors
Wilkinson Richardt H.
Horn Abram
Enslin Johan H.R.
Journal Title
Journal ISSN
Volume Title
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Abstract
A high power bi-directional multilevel chopper is developed as a design prototype for an inverting dc traction substation with Active Power Filtering incorporated. The 'Imbricated Cells Multilevel Chopper' topology is put into practice, where capacitors are used as floating voltage sources. Control options for this chopper are discussed and simulation results are compared. Differences between analog and digital control are also highlighted as a DSP-implemented control strategy is considered for duty-cycle control in the final system.
Description
Keywords
Active filters, Bipolar transistors, Computer simulation, Digital control systems, Electric inverters, Electric network topology, Electric traction, Switching, Thyristors, Active power filtering, Analog control, Bidirectional multilevel traction chopper, Imbricated cells multilevel chopper, Choppers (circuits)
Citation
PESC Record - IEEE Annual Power Electronics Specialists Conference
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