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本文利用磁粉制动器输出转矩与激磁电流成线性这一特性来实现对张力的恒值控制。
This thesis uses the linearity relation of output torque and excitation current to control the tension.
认为谐波源来自系统侧，除了非线性负荷外，主要是由大型电力变压器激磁电流所造成。
The harmonic comes from power system side, which is caused mainly by exciting current of the large capacity transformer besides the nonlinear loads.
分析了汽车发电机抛负载电压的形成过程及其与发电机的相电动势、激磁电流和转速之间的关系。
This paper analyzes the forming process of unloading voltage and the relations among unloading voltage, phase electromotive force, exciting current and rotational speed in art alternator.
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