描述
步进电机的动态力矩一下子很难确定，我们往往先确定电机的静力矩。静力矩选择的依据是电机工作的负载，而负载可分为惯性负载和摩擦负载二种。单一的惯性负载和单一的摩擦负载是不存在的。直接起动时（一般由低速）时二种负载均要考虑，加速起动时主要考虑惯性负载，恒速运行进只要考虑摩擦负载。一般情况下，静力矩应为摩擦负载的2-3倍内好，静力矩一旦选定，电机的机座及长度便能确定下来（几何尺寸）。
Anyspeed C2M Anyspeed DC Drive
Anyspeed CSM DC Drive
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AOpen FSP145-60SA AOpen Power Supply
APC 1400I Smart-UPS 1400I
APC 450 APC 250 Watt UPS
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APC AP9610 APC Relay I/O Module
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APC BP420SI APC Back Ups Pro 420 UPS
APC Smart-UPS 2200 APC Smart UPS
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APC SU1000RM12U APC Smart UPS 1000
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API Harrow Inc 50BRW-520-B1 2500Hz Frameless Reslover
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Applied Kilovolts H30P+Prec I Applied Kilovolts Controller
Applied weighing ADW15-0-0-R03-W1100PG Task 120 Display Unit
