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  As long as one motor provides speed feedback, while the other motor receives the desired rotor voltage. It can be considered that the DC system is the easiest to achieve load balancing conditions. Since a DC motor has two independent windings for its control, it is difficult to adjust and match the parameters of the rotor and the excitation loop. As a rule of thumb, the resistance of the field windings and the rotor rheostat should be approximately equal to the resistance of the motor's own field windings and rotor. For large-scale installation and operation, the system needs to be more simplified. Many metal manufacturers and automation plants with DC motor prefer to use such systems, and installation and start up in this way have become increasingly safe and reliable. More advanced technological manufacturing systems often require multiple drives to work together with great precision. No external adjustment matching is required to achieve load sharing here. A general control method is the use of torque speed tracker, many AC and DC drive device manufacturers have adopted this control idea.

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我喜歡自然，喜歡沒有*的感覺。破土而出的小草，粼粼湖水，幽微的花香，舞動(dòng)的柳條兒，對(duì)我總是有著磁鐵般的吸引力，讓我為之駐足，為之驚嘆，它們的美是細(xì)小的，甚至微不足道，然而卻是那樣的質(zhì)樸，透露出一種生命的自然氣息。  

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