DC Motors TYPES OF DC MOTORSSummaryThe types of DC motors are summarized below.Types of DC Motors SummaryIn a shunt-wound motor, the field is in parallel, or "shunts" the armature.In a series-wound motor, the field is in series with the armature.A compounded DC motor is constructed so that it contains both a shunt and aseries field.A shunt-wound DC motor has a decreasing torque as speed increases.The characteristics of a shunt-wound motor give it very good speed regulation,and it is classified as a constant speed motor, even though the speed does slightlydecrease as load is increased.A series-wound motor has a rapidly increasing torque when speed decreases. Asload is removed from a series-wound motor, the speed will increase sharply.The advantages of a series-wound motor are that it develops a large torque andcan be operated at low speed. It is a motor that is well-suited for starting heavyloads.Rev. 0 Page 11 ES-06
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