The GM High-Performance Induction Motor Drive System

Agarwal, Paul D.

doi:10.1109/tpas.1969.292408

Cited by 32 publications

(3 citation statements)

References 6 publications

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“…Their advantage was a wide constant power range, high torque at low speeds (for quick acceleration), and reasonable efficiency at high speeds (for cruising). This constant-power concept is often applied in traction applications, as discussed in [1]- [3].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of a re-rated induction machine

Amrhein

Krein

Fierro

2005

IEEE International Conference on Electric Machines and Drives, 2005.

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Motor re-rating presents an alternative to field weakening for electrical machines used in traction applications. A re-rated motor is capable of providing its nominal torque at higher speeds, increasing its shaft power while keeping the motor mass constant. In this paper, a discussion of the impact of re-rating on the efficiency and various losses of an induction machine is presented. When a re-rated motor operates at higher speeds, the total loss of the machine increases more gradually than the shaft output power. Thus, the efficiency of this machine increases at higher speeds. Measured results from a re-rated 12.4 N-m induction machine support the discussion and show that re-rated induction machines can compete with permanent-magnet machines in terms of efficiency in traction applications.

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Section: Introductionmentioning

confidence: 99%

Evaluation of a re-rated induction machine

Amrhein

Krein

Fierro

2005

IEEE International Conference on Electric Machines and Drives, 2005.

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show abstract

“…A GM Research Laboratories iniciou um programa de pesquisa de novas plataformas 1 através do desenvolvimento dos protótipos Electrovair e Electrovan no início da década de 60 (AGARWAL, 1969;CCT, 2011). YU et al, 2011).…”

Section: Protótipos De Veículo Elétricounclassified

“…YU et al, 2011). O sistema de direção elétrica era compatível com veículos fora-deestrada, sistemas propulsores de torpedos e de artefatos navais e veículos lunares (AGARWAL, 1969). Os testes evidenciaram que a célula a combustível era pesada e possuía amplas dimensões, os componentes e materiais utilizados eram caros, o arranque era complexo e lento, a separação dos sistemas de fluídos (eletrólito, hidrogênio e oxigênio) era complexa assim como a conversão de potência (RAJASHEKARA, 1994).…”

Section: Protótipos De Veículo Elétricounclassified