又因无需励磁电流，省去了励磁损耗，提高了电机的效率和功率密度。
Benefiting from the absence of the exciting current and the excitation loss, the efficiency and the power density have increased.
该结构设计新颖、构思独特，励磁损耗低，调磁效果显著，具有创新性，已经申请了专利。
This novel design possesses the advantages of small excitation loss and effective field regulation, so the unique idea of this new configuration has applied and granted a patent.
永磁同步电机与其它电机相比具有低转动惯量、高转矩电流比、低噪声、无励磁损耗等一系列的优点。
Compared with other motors, Permanent Magnet Synchronous motor (PMSM) has the advantages of low inertia, high torque-current ratio, low noise, no excitation loss.
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