Aluminum Windings and Other Strategies for High-Frequency Magnetics Design in an Era of High Copper and Energy Costs
Recent Cu price increases motivate careful examination of approaches to minimize Cu use in high-frequency transformers and inductors. Approaches that can reduce Cu use without increasing losses include careful winding design, trading winding volume for core volume, replacing Cu with Al, and using Cu...
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| Veröffentlicht in: | IEEE transactions on power electronics 2008-07, Vol.23 (4), p.2044-2051 |
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| container_title | IEEE transactions on power electronics |
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| creator | SULLIVAN, Charles R |
| description | Recent Cu price increases motivate careful examination of approaches to minimize Cu use in high-frequency transformers and inductors. Approaches that can reduce Cu use without increasing losses include careful winding design, trading winding volume for core volume, replacing Cu with Al, and using Cu-clad Al (CCA) windings. Al wire is particularly attractive. The cost of Al is lower than it might appear from the cost per unit mass when the much lower density of Al is also considered, and the disadvantage of higher resistivity becomes less important when high-frequency effects are considered. [PUBLICATION ABSTRACT] |
| doi_str_mv | 10.1109/TPEL.2008.925434 |
| format | Article |
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Approaches that can reduce Cu use without increasing losses include careful winding design, trading winding volume for core volume, replacing Cu with Al, and using Cu-clad Al (CCA) windings. Al wire is particularly attractive. The cost of Al is lower than it might appear from the cost per unit mass when the much lower density of Al is also considered, and the disadvantage of higher resistivity becomes less important when high-frequency effects are considered. [PUBLICATION ABSTRACT]</description><identifier>ISSN: 0885-8993</identifier><identifier>EISSN: 1941-0107</identifier><identifier>DOI: 10.1109/TPEL.2008.925434</identifier><identifier>CODEN: ITPEE8</identifier><language>eng</language><publisher>New York, NY: Institute of Electrical and Electronics Engineers</publisher><subject>Aluminum ; Applied sciences ; Copper ; Electrical engineering. 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Approaches that can reduce Cu use without increasing losses include careful winding design, trading winding volume for core volume, replacing Cu with Al, and using Cu-clad Al (CCA) windings. Al wire is particularly attractive. The cost of Al is lower than it might appear from the cost per unit mass when the much lower density of Al is also considered, and the disadvantage of higher resistivity becomes less important when high-frequency effects are considered. [PUBLICATION ABSTRACT]</description><subject>Aluminum</subject><subject>Applied sciences</subject><subject>Copper</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electrical power engineering</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Frequencies</subject><subject>General (including economical and industrial fields)</subject><subject>Magnetic devices</subject><subject>Magnetism</subject><subject>Operation. Load control. 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| ispartof | IEEE transactions on power electronics, 2008-07, Vol.23 (4), p.2044-2051 |
| issn | 0885-8993 1941-0107 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Aluminum Applied sciences Copper Electrical engineering. Electrical power engineering Electrical power engineering Electronics Exact sciences and technology Frequencies General (including economical and industrial fields) Magnetic devices Magnetism Operation. Load control. Reliability Power networks and lines Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Transformers Transformers and inductors |
| title | Aluminum Windings and Other Strategies for High-Frequency Magnetics Design in an Era of High Copper and Energy Costs |
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