fig14
![Life cycle oriented low carbon manufacturing of mechanical equipment: method and application](https://image.oaes.cc/cad6f413-947f-4d62-b2f6-13b3b59af431/5433.fig.14.jpg)
Figure 14. Energy efficiency of drive unit changing with motor speed under (A) variable load power, and (B) given load power at 2 kW[54].
Figure 14. Energy efficiency of drive unit changing with motor speed under (A) variable load power, and (B) given load power at 2 kW[54].
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