High-Power Cycloconverter for Mining Applications: Practical Recommendations for Operation, Protection, and Compensation

This paper presents practical aspects related with the operation, compensation, and protection of high-power cycloconverters used in the mining industry. Practical recommendations related with startup, compensation requirements, operational characteristics, and unexpected shutdown process are descri...

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Bibliographic Details
Published in:IEEE transactions on industry applications 2015-01, Vol.51 (1), p.82-91
Main Authors: Aravena, Pablo A., Moran, Luis A., Burgos, Rolando, Astudillo, Pablo, Olivares, Cristhian, Melo, David A.
Format: Article
Language:English
Subjects:
Commutation
Harmonic analysis
Modulation
Power harmonic filters
Reactive power
Synchronous motors
Thyristors
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Summary:This paper presents practical aspects related with the operation, compensation, and protection of high-power cycloconverters used in the mining industry. Practical recommendations related with startup, compensation requirements, operational characteristics, and unexpected shutdown process are described. Fuseless characteristics of modern cycloconverters are also discussed. Relevant current waveforms associated with the operation of a 20-MW synchronous motor semiautogenous grinding mill drive are presented, as well as current and voltage waveforms under fault operating conditions.
ISSN:0093-9994
1939-9367
DOI:10.1109/TIA.2014.2327155