Die Casting Copper Rotors - Copper Development Association
Die Casting Copper Rotors - Copper Development Association
Die Casting Copper Rotors - Copper Development Association
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Motor TestsEfficiencyLossHPkWPolesAlCuDifferenceReduction4 3 4 83.2 86.4 3.2 19.0%7.5 5.5 4 74.0 79.0 5.0 19.2%10 7.5 4 85.0 86.5 1.5 10.0%15 11 4 89.5 90.7 1.2 11.4%25 19 4 90.9 92.5 1.6 17.6%40 30 4 88.8 90.1 1.3 11.6%120 90 2 91.4 92.8 1.4 16.3%270 200 4 92.0 93.0 1.0 12.5%Average: 14.7%