摘要:
Disclosed herein are a switching control apparatus and method of a two-phase switched reluctance motor. The witching control apparatus includes: a rectifying unit rectifying commercial power; and an active converter including a pair of common switches commonly connected to two phase windings of the two-phase SRM, a pair of first phase switches bridge-connected to the pair of common switches at any one of the two phase windings, a pair of second phase switches bridged-connected to the pair of common switches at the other of the two phase windings and connected in series with each other, and a plurality of current feedback diodes each connected to the switches and operated in operation modes 1 to 3 to drive the two-phase SMR.
摘要:
Disclosed herein is a unipolar switching apparatus of a switched reluctance motor, including: a control unit outputting a unipolar switching control signal; and a transformer driving an SRM according to the unipolar switching control signal output from the control unit, thereby minimizing vibration and noise.
摘要:
Disclosed herein is a switched reluctance motor having a double rotor structure. An outer stator salient pole corresponding to an outer rotor salient pole is formed to have an “E” shape by sequentially disposing a main salient pole, a first auxiliary salient pole, and a second auxiliary salient pole and an inner stator salient pole corresponding to an inner rotor salient pole is formed to have a pi (π) shape by sequentially disposing a first salient pole and a second salient pole, such that a magnetic flux path is reduced, thereby making it possible to prevent the loss of magnetic force.
摘要:
Disclosed herein is a switched reluctance motor having a double rotor structure. An out stator salient pole corresponding to an out rotor salient pole is formed to have an “E” shape by sequentially disposing a main salient pole, a first auxiliary salient pole, and a second auxiliary salient pole and an in stator salient pole corresponding to an in rotor salient pole is formed to have a pi (π) shape by sequentially disposing a first salient pole and a second salient pole, such that a magnetic flux path is reduced, thereby making it possible to prevent the loss of magnetic force.
摘要:
Disclosed herein are an apparatus and a method of driving a switched reluctance motor. The apparatus includes: a power supply unit; N pairs of coils; N pairs of upper switch devices each connected in series with an upper portion of each of the N pairs of coils; N pairs of lower switch devices each connected in series with a lower portion of each of the N pairs of coils; 2N first freewheel diodes; 2N second freewheel diodes; and a switch driving unit providing a control signal to the N pairs of upper switch devices and the N pairs of lower switch devices to sequentially supply current to the N pairs of coils.
摘要:
Disclosed herein is a switched reluctance motor comprising: an outer rotor provided with a plurality of salient poles protruded at equidistance along an inner peripheral surface thereof; and a stator provided in the outer rotor, including a plurality of stator cores including a pair of stator salient poles protruded toward the salient pole of the outer rotor and a stator yoke connecting and supporting stator salient poles to each other, and having phase windings in which coils are wound around the stator salient poles, wherein a magnetic flux generated by applying a current to the phase winding flows through the pair of stator salient poles and the salient pole of the outer rotor.
摘要:
Disclosed herein are a motor driving apparatus and method. The motor driving apparatus includes: an inverter including a main driver sequentially activating N phases and a spare driver activating a spare phase substituting for a faulted phase among the activated N phases; a detecting unit detecting the respective output signals of the N phases; a switching unit performing switching so that the spare phase is connected to the faulted phase of the exited N phases; and a controlling unit driving the inverter to determine whether or not a fault is generated and control the switching unit so that the faulted phase is connected to the spare phase. Therefore, since the motor may be driven without replacing the inverter, a cost may be reduced, and since the motor may be driven without a change in the number of phases, the motor may be efficiently and stably driven.
摘要:
Disclosed herein is a laminated core used for a motor such as an electric motor, including: a unit laminate laminated in at least one layer and formed of a soft magnetic composite, wherein each powder particle forming the soft magnetic composite is insulation-coated. The preferred embodiments of the present invention can improve the mechanical strength of the core of the soft magnetic composite by manufacturing the core using the laminating method of the soft magnetic composite and reduce core loss by performing insulation coating on powder particles forming the soft magnetic composite.
摘要:
Disclosed herein is a switched reluctance motor, including: a rotor provided with a plurality of salient poles protruded along an outer peripheral surface thereof; and a stator including a plurality of stator cores in a pi (π) shape that have the rotor rotatably accommodated therein, are opposite to the plurality of salient poles, and have coils wound therearound, wherein a magnetic flux path is formed along the stator cores in the pi shape and the salient pole opposite thereto.