Contactless Power Delivery System for Mining Applications

The ability to transfer large amounts of electrical power (up to 1 MW) to a moving load has traditionally used means that are unreliable, inefficient, and potentially unsafe. These include sliding or rolling metal contacts, sliding carbon brushes, and trailing cables. More recently, flat inductively...

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Bibliographic Details
Published inIEEE transactions on industry applications Vol. 31; no. 1; pp. 27 - 35
Main Authors Klontz, K. W., Divan, D. M., Novotny, D. W., Lorenz, R. D.
Format Journal Article Conference Proceeding
LanguageEnglish
Published New York, NY IEEE 01.01.1995
Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Applied sciences
Brushes
Cables
Coils (windings)
Continuous wavelet transforms
Density measurement
Electric contacts
Electric power
Electric power distribution
Electric utilities
Electrical engineering. Electrical power engineering
Electrical power engineering
Electricity generation
Electronics
Exact sciences and technology
Inductance
Materials handling
Power cables
Power networks and lines
Rechargeable batteries
Sliding
Systems design
Transformer cores
Transformers
Users connections and in door installation
Windings
Coaxial configuration
Electrical installation
Power electronics
Power transformer
Conceptual analysis
Mining industry
Energy transfer
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Summary:The ability to transfer large amounts of electrical power (up to 1 MW) to a moving load has traditionally used means that are unreliable, inefficient, and potentially unsafe. These include sliding or rolling metal contacts, sliding carbon brushes, and trailing cables. More recently, flat inductively coupled coils have been used to help mitigate these problems. Except for the inductively coupled coils, these techniques have not been developed with the capabilities of power electronics in mind. This paper presents the first conceptual description of a power delivery system design unifying power electronics and a coaxial-winding transformer for devices that require a contactless connection and/or relative motion while delivering large amounts of power. The transformer's unique characteristics and how they might be used to advantage in combination with power electronics are emphasized. Potential applications are flexible power distribution, material handling, electric vehicle boost, and battery opportunity recharge. Test results of a small scale prototype are presented and verify these initial concepts.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:0093-9994
1939-9367
DOI:10.1109/28.363053