THREE-PHASE INDUCTION MOTOR EFFICIENCY IMPROVEMENTS WITH DIE-CAST COPPER ROTOR CAGE AND PREMIUM STEEL

F. Parasiliti (1) - M. Villani (1) - C. Paris (2) - O. Walti (2) - G. Songini (3)- A. Novello (4) - T. Rossi (4)

Abstract

The paper presents the results of a research project whose aim was the efficiency improvement in industrial three-phase induction motors, making use die cast copper rotor cage and premium electrical steel. The study concerns with industrial low voltage three-phase induction motors, 4 pole, 50 Hz, 400 V, TEFC, in the 0.75÷22 kW power range. The results are related to the first step of the project, when a premium steel and copper rotor cage have been used instead of standard steel and aluminium cage.

이 논문은 다이캐스트 구리 로터 케이지와 고급 전기강을 사용하는 산업용 3상 유도 전동기의 효율 개선을 목표로 하는 연구 프로젝트의 결과를 제시합니다. 이 연구는 0.75÷22 kW 전력 범위의 산업용 저전압 3상 유도 전동기, 4극, 50Hz, 400V, TEFC에 관한 것입니다. 결과는 표준 강철 및 알루미늄 케이지 대신 고급 강철 및 구리 로터 케이지가 사용된 프로젝트의 첫 번째 단계와 관련이 있습니다.

Fig. 2 – B-H curves of 8050 and 5350H
Fig. 2 – B-H curves of 8050 and 5350H
Fig. 3 – View of copper rotors for the considered motors
Fig. 3 – View of copper rotors for the considered motors

REFERENCES

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