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The first type of motor built is still in widespread use In the late 1800s, several inventors built the first working motors, which used direct current (DC) power. After the invention of the induction ...

Once the control method of choice only in high-performance industrial ac-servo drives, FOC (field-oriented control) is finding its way into lower end industrial and many appliance applications with ...

A few characteristics of dc motors maintain linear relationships that allow for very predictable operation. First, if enough voltage is applied across the terminals of a dc motor, the output shaft ...

A special type of brushless motor is called a limited-angle torquer (LAT). LATs are constrained to produce torque through a rotation angle of less than 180°. But they are widely used to operate ...

THE greater part of this compact little treatise has appeared in the columns of a contemporary. The principles governing the arrangement and proportioning of armature windings are worked out by a ...

Utilising High Temperature Superconductor (HTS) technology, generators can provide fast, reactive power support. HTS generators help to keep the power grid running smoothly in the face of new patterns ...