摘要:
Disclosed herein are a switching control apparatus for a two phase switch reluctance motor and a control method using the same. The switching control apparatus includes a rectifier; and an active converter including a pair of common switches, a pair of first phase switches, a pair of serially connected second phase switches, a plurality of current feedback diodes each connected to the switches, and a pair of drivers controlling the switches and operated as operation modes 1 to 3 to provide the commercial power provided from the rectifier to the two phase SRM and drive the two phase SRMs.
摘要:
Disclosed herein are a switching control apparatus for a two phase switch reluctance motor and a control method using the same. The switching control apparatus includes a rectifier; and an active converter including a pair of common switches, a pair of first phase switches, a pair of serially connected second phase switches, a plurality of current feedback diodes each connected to the switches, and a pair of drivers controlling the switches and operated as operation modes 1 to 3 to provide the commercial power provided from the rectifier to the two phase SRM and drive the two phase SRMs.
摘要:
A full-pitch winding switched reluctance motor is provided. In this motor, one set of current components are estimated, which electromagnetically act on only one set of stator poles for one phase. Based on the estimated one set of current components, current components for respective three phases are controlled, resulting in accurate current control with no electromagnetic interactions with other phases. This current control allows a control circuit to be made compact, and a motor with effective field means can be provided.
摘要:
A motor controller configured to control an SRM includes an inverter connected to an SRM, a torque and flux estimator configured to estimate a torque and a flux generated in the SRM as an estimated torque and an estimated flux, based on output from the inverter and a rotor angle of the switched reluctance motor, a switching pattern selector configured to select one of a plurality of switching patterns based on comparing a result of a reference torque and the estimated torque, comparing a result of a reference flux and the estimated flux, and a flux phase angle, and performing switching of the inverter in accordance with a selected switching pattern, and a reference flux calculator configured to obtain the reference flux from a flux trajectory and the rotor angle changing the flux trajectory, the flux trajectory indicating a relationship between the rotor angle and the reference flux.
摘要:
In a motor, a stationary member is provided with a number M (M is a positive integer) of first poles within 360 electrical degrees at spaces therebetween. A plurality of windings are at least partly wound in the spaces, respectively. A movable member is movably arranged relative to the stationary member and provided with a number K (K is a positive integer) of second poles. The number K of second poles is different from the number M of first poles. A unidirectional current supply unit supplies a unidirectional current to at least one of the windings so as to create an attractive force between at least one of the first poles and a corresponding at least one of the second poles to thereby move the movable member relative to the stationary member.
摘要:
A motor controller configured to control an SRM includes an inverter connected to an SRM, a torque and flux estimator configured to estimate a torque and a flux generated in the SRM as an estimated torque and an estimated flux, based on output from the inverter and a rotor angle of the switched reluctance motor, a switching pattern selector configured to select one of a plurality of switching patterns based on comparing a result of a reference torque and the estimated torque, comparing a result of a reference flux and the estimated flux, and a flux phase angle, and performing switching of the inverter in accordance with a selected switching pattern, and a reference flux calculator configured to obtain the reference flux from a flux trajectory and the rotor angle changing the flux trajectory, the flux trajectory indicating a relationship between the rotor angle and the reference flux.
摘要:
A full-pitch winding switched reluctance motor is provided. In this motor, one set of current components are estimated, which electromagnetically act on only one set of stator poles for one phase. Based on the estimated one set of current components, current components for respective three phases are controlled, resulting in accurate current control with no electromagnetic interactions with other phases. This current control allows a control circuit to be made compact, and a motor with effective field means can be provided.
摘要:
In a motor, a stationary member is provided with a number M (M is a positive integer) of first poles within 360 electrical degrees at spaces therebetween. A plurality of windings are at least partly wound in the spaces, respectively. A movable member is movably arranged relative to the stationary member and provided with a number K (K is a positive integer) of second poles. The number K of second poles is different from the number M of first poles. A unidirectional current supply unit supplies a unidirectional current to at least one of the windings so as to create an attractive force between at least one of the first poles and a corresponding at least one of the second poles to thereby move the movable member relative to the stationary member.