This paper mainly deals with the relation between energy efficiency and parameters of rare earth permanent magnet synchronous motor (REPMSM)operating under periodical load.
本文着重论述了在周期性负载下，稀土永磁同步电动机效率与参数之间的相关性。
2
High efficiency and high power factor are characteristic of rare earth and permanent magnetism and synchronous motor. lt is a energy saving product.
稀土永磁同步电动机具有效率高、功率因数高的特点，是一种高效节能产品。
3
Power system use synchronous machines for generation of electricity, in other words, synchronous generators form the principal source of electric energy in power systems.