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Design and Operation Characteristics of Novel 2-Phase 6/5 Switched Reluctance Motor
Hieu, Pham Trung,Lee, Dong-Hee,Ahn, Jin-Woo The Korean Institute of Electrical Engineers 2014 Journal of Electrical Engineering & Technology Vol.9 No.6
This paper presents a design of novel 2-phase 6/5 switched reluctance motor (SRM) for an air-blower application. This type of motor is suitable for the applications that require high speed and only one directional rotation as air-blower. The desired air-blower is unidirectional application, and requires a wide positive torque region without torque dead-zone. In order to get a wide positive torque region without torque dead-zone during phase commutation, asymmetric inductance characteristic with non-uniform air-gap is considered. The proposed motor can be operated at any rotor position. The proposed 6/5 SRM uses short flux path technique that achieved by means of winding configuration and lamination geometry. The purpose of short flux path is to reduce the core loss and the absorption MMF in the stator. The proposed 2-phase 6/5 SRM is verified by finite element method (FEM) analysis and Matlab-Simulink. In order to verify the design, a prototype of the proposed motor was manufactured for practical system.
High Speed Segmental Stator Type 4/3 SRM
Pham Trung Hieu,Dong-Hee Lee,Jin-Woo Ahn 대한전기학회 2017 Journal of Electrical Engineering & Technology Vol.12 No.5
This paper presents a design of a 2-phase segmental stator type 4/3 switched reluctance motor (SRM) for air-blower application. The air-blower requires only one direction rotation, high rotor speed without torque dead-zone. In order to satisfy the requirements of the load, the rotor of the 4/3 proposed SRM is designed with wider rotor pole arc and non-uniform air-gap is applied on the rotor shape. With a special rotor structure, the motor generates a wider positive torque region and has no torque dead-zone. The stator of the proposed SRM is constructed with two segmental C-cores, and there are no magnetic connections between 2 C-cores. The flux follows in a short closed loop in each C-core and has no reversal flux in the stator. The static and dynamic characteristics of the proposed motor are analyzed by the finite element method (FEA) and Matlab-Simulink, respectively. In order to verify the design, a prototype of the proposed motor has manufactured for laboratory test. The performance of the proposed motor is verified by the simulation and experimental results.
Design and Operation Characteristics of Novel 2-Phase 6/5 Switched Reluctance Motor
Pham Trung Hieu,Dong-Hee Lee,Jin-Woo Ahn 대한전기학회 2014 Journal of Electrical Engineering & Technology Vol.9 No.6
This paper presents a design of novel 2-phase 6/5 switched reluctance motor (SRM) for an air-blower application. This type of motor is suitable for the applications that require high speed and only one directional rotation as air-blower. The desired air-blower is unidirectional application, and requires a wide positive torque region without torque dead-zone. In order to get a wide positive torque region without torque dead-zone during phase commutation, asymmetric inductance characteristic with non-uniform air-gap is considered. The proposed motor can be operated at any rotor position. The proposed 6/5 SRM uses short flux path technique that achieved by means of winding configuration and lamination geometry. The purpose of short flux path is to reduce the core loss and the absorption MMF in the stator. The proposed 2-phase 6/5 SRM is verified by finite element method (FEM) analysis and Matlab-Simulink. In order to verify the design, a prototype of the proposed motor was manufactured for practical system.
Design and Control of a High Speed 2-Phase 4/2 Switched Reluctance Motor for Blender Application
Pham Trung Hieu,이동희,안진우 대한전기학회 2019 Journal of Electrical Engineering & Technology Vol.14 No.3
This paper presents the design and control of a high-speed 2-phase 4/2 switched reluctance motors (SRM) for blender application. The proposed SRM is designed to replace a universal motor that equipped with the blender. In this study, the single- and 2-phase SRMs were considered as good candidates for high-speed and low-cost applications. The blender requires a highspeed motor drive with self-start ability. To overcome torque dead-zone that exists in single- and 2-phase SRM, stepper rotor with wider rotor pole arc was considered. The rated speed is up to 18,000 rpm and 40,000 rpm at no-load. A low-resolution encoder was used for high-speed SRM drive to reduce the cost. To verify the design, a prototype of the proposed SRM was manufactured for laboratory test.