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- W1498936046 abstract "Theoretical designs have been carried out which demonstratethe possible weight and volume reductions to be obtained whenusing amorphous metal in place of silicon-iron for the corematerial in medium frequency power transformers. The amorphousmetal provides such savings by its ability to operate at highflux densities without excessive core losses. The reduced coresize also benefits the winding size, the overall reduction inweight and volume is particularly appropriate for rail and airborne power supply equipment. Of the various amorphous metalalloys available in ribbon form, two were selected for evaluationfor the frequency band 50 to 3000 Hz. Several cores were builtsuitable for use in a3 kHz 20 kVA transformer using purposebuilt core winding facilities. The wound cores, after annealing,were subjected to a comprehensive series of tests using bothsinusoidal and square wave supply voltages. The thesis containsa valuable analysis of the results obtained and related to themagnetic properties of amorphous metal. The effect of mechanicalstresses has also been investigated. The wound amorphous ribboncores were found to be slightly flexible and prone to flaking,as a consequence several methods of core protection wereinvestigated. Temperature rise tests have been conducted on thecompleted cores and various methods of heat dissipation tried.The research has shown the viability of the use of amorphousmetal for the cores of medium frequency power transformers." @default.
- W1498936046 created "2016-06-24" @default.
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- W1498936046 date "1993-01-01" @default.
- W1498936046 modified "2023-09-26" @default.
- W1498936046 title "Amorphous metal cores in medium frequency power transformer" @default.
- W1498936046 hasPublicationYear "1993" @default.
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