Figure 5. Torque-speed and current-speed curves for1.1 kW motors (left) and 5.5 kW motors (right). Standard efficiency Al motor (blue); Cu high effficiency motor (red).

Published at 1461 × 467 in Copper in the Rotor for Lighter, Longer Lasting Motors

Figure 5. Torque-speed and current-speed curves for1.1 kW motors (left) and 5.5 kW motors (right). Standard efficiency Al motor (blue); Cu high effficiency motor (red).

Figure 5. Torque-speed and current-speed curves for1.1 kW motors (left) and 5.5 kW motors (right).
Standard efficiency Al motor (blue); Cu high effficiency motor (red).

Figure 5. Torque-speed and current-speed curves for1.1 kW motors (left) and 5.5 kW motors (right).
Standard efficiency Al motor (blue); Cu high effficiency motor (red).