The fieldcircuit and the armature circuit can be interconnected in various ways to provide a wide variety of performance characteristics - an outstanding advantage of DC machines.
励磁绕组和电枢电路有各种接法，因而有不同的性能，这是直流电动机的显著优点。
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In this paper, electromagnet field calculations, field-circuit method, optimize design, simulation and experimentation of this machine is studied systematically.