摘要
根据直流电机的可逆原理并利用常规的实验仪表，可以简便、准确地测出直流电动机的主要参数－电磁转矩、输出转矩和效率．
By reversible principle of DC machine and to make use of common instrument and meter of the laboratory, the main parameters of DC machine - electromagnetic torque, output torque and efficiency -can be determined simply and exactly.
关键词
直流电机
电动机
转矩
参数测定
DC machine, coefficient of electrical machinery, torque, determination
