(a) microstepping
(b) half-stepping
(c) increased step angle
(d) reduced resolution.
(b) half-stepping
(c) increased step angle
(d) reduced resolution.
What is the step angle of a permanent-magnet stepper motor having 8 stator poles and 4 rotor poles ?
(a) 60º
(b) 45º
(c) 30º
(d) 15º
A stepper motor may be considered as a ……………… converter.
a) dc to dc
(b) ac to ac
(c) dc to ac
(d) digital-to-analogue
(b) ac to ac
(c) dc to ac
(d) digital-to-analogue
The rotational speed of a given stepper motor is determined solely by the
(a) shaft load
(b) step pulse frequency
(c) polarity of stator current
(d) magnitude of stator current.
(b) step pulse frequency
(c) polarity of stator current
(d) magnitude of stator current.
A stepping motor is a ……………… device.
(a) mechanical
(b) electrical
(c) analogue
(d) incremental
(b) electrical
(c) analogue
(d) incremental