Browsing by Author "Watterson Peter"

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Browsing by Author "Watterson Peter"

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  • Calculation of AC loss in an HTS wind turbine generator 
    Fee Mike; Staines Michael; Buckley Robert; Watterson Peter; Zhu Jianguo (Institute of Electrical and Electronics Engineers, 2003)
    In order to achieve lower cost of energy the typical power rating of large wind turbine generators has steadily increased over recent years. However, with the mast-top weight of multi-megawatt generators exceeding 100 ...
  • Comparative study of 3D Flux Electrical Machines with soft magnetic composite cores 
    Guo Youguang; Zhu Jianguo; Watterson Peter; Wu Wei (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2002)
    This paper compares two types of threedimensional (3D) flux electrical machines with soft magnetic composite (SMC) cores, namely claw pole and transverse flux machines. 3D electromagnetic field analysis is conducted for ...
  • Design and Analysis of a Three-Phase Three-Stack Claw Pole Permanent Magnet Motor with SMC Stator 
    Guo Youguang; Zhu Jianguo; Watterson Peter; Wu Wei (University of Canterbury, New Zealand, 2003)
    This paper reports the design, performance analysis, and prototype experiment of a three-phase three-stack permanent magnet claw pole motor with a soft magnetic composite stator. To predict and optimise the major parameters ...
  • Design and Control of Brushless Permanent Magnet Motors for Constant Range with Minimum Inverter Rating 
    Watterson Peter (International Academic Publisher, Beijing World Publishing Corporation, 2003)
    Flux-weakening of permanent magnet motors is commonly introduced above a base speed beyond which constant power is required. It is shown that lower inverter rating is achieved by also flux-weakening at the base speed. ...
  • Design and implementation of a radial magnetic bearing with permanent magnet bias 
    Du Zhentao; Watterson Peter (IEEE, 2010)
    A new yoke winding for a radial magnetic bearing with permanent magnet bias flux is investigated and shown to reduce the copper loss and copper cost, by 32% in the prototype built. Magnetic circuit analysis neglecting ...
  • Development of a Claw Pole Permanent Magnet Motor with Soft Magnetic Composite Core 
    Guo Youguang; Zhu Jianguo; Watterson Peter; Wu Wei (International Association for Identification, 2007)
  • Development of a PM transverse flux. motor with soft magnetic composite core 
    Zhu Jianguo; Watterson Peter; Guo Youguang; Wu Wei (Institute of Electrical and Electronics Engineers, 2006)
    This paper reports the design, performance analysis, fabrication, and experimental results of a three-phase, three-stack permanent magnet transverse flux motorwith a soft magnetic composite stator core, which was designed ...
  • Eddy current damper for the Labshare remote laboratory Shake Table rig 
    Watterson Peter; Yeoh Lareine; Giampietro Carlo; Chapman Christopher; Houghton Luke (IEEE, 2010)
    The design and performance of an eddy current damper for the Labshare remotely operated "Shake Table" multi-storey building vibration rig is described. The damper comprises stationary E-cores on either side of a copper ...
  • An Electric Assist Bicycle Drive with Automatic Continuously Variable Transmission 
    Watterson Peter (IEEE, 2008)
    An automatic hybrid bicycle drive, combining human power and electric assistance via an electronic continuously variable transmission (¿e-CVT¿), is investigated. A trial design is given for a drive combining two planetary ...
  • High Torque Brushless DC Motor for a Valve Actuator 
    Watterson Peter; Collocott Stephen; Dunlop John; Gwan Paul; Hunter Gregory; Kalan Bruce; Lovatt Howard (International Academic Publisher, Beijing World Publishing Corporation, 2005)
    The design of a high torque brush less DC moto rto replace the induction motor and worm gear for valve actuators is described. Minimum motor cost, short axial length and low electronics rating are achieved by selection ...
  • Improved Design and Performance Analysis of a Claw Pole Permanent Magnet SMC Motor with Sensorless Brushless DC Drive 
    Zhu Jianguo; Watterson Peter; Guo Youguang; Holliday William; Wu Wei (Technical Committee of the 2003 International Conference On Power Electronics and Drive Systems, 2003)
    This paper presents a three-phase claw pole permanent magnet soft magnetic composite motor, which was designed to take advantage of specific properties of the material. Parameter calculations by the finite element magnetic ...
  • An improved method for predicting magnetic power losses in SMC electrical machines 
    Guo Youguang; Zhu Jianguo; Zhong Jin Jiang; Watterson Peter; Wu Wei (IOS Press, 2004)
    This paper presents an improved method for predicting iron losses in electrical machines with soft magnetic composite (SMC) cores. Different formulations are used for iron loss prediction with purely alternating, purely ...
  • Large Deformation Plate Bending with Application to Solar Collectors 
    Watterson Peter; Savvides Nick; Lovatt Howard (International Solar Energy Society, 2008)
    In a typical trough solar collector, a reflective sheet is shaped by a set of ribs with parabolic cutouts. This paper proposes the alternative simple construction method of pushing a thin elastic plate inwards on opposite ...
  • Marine Electric Hybrid Power Systems 
    Dane Robert; Watterson Peter; Holliday William; Evans Charles; Ramsden Victor; Ramaswamy Venkataraman; Hunter Gregory (Institute of Engineers Australia, 2002)
    For the past 120 years internal combustion engines have powered ships. Prior to that, sailors used paddles and sail for propulsion. In the last 80 years, diesels have dominated because of their safety and reliability, ...
  • Rotary Pump with Hydrodynamically Suspended Impeller 
    Woodard John; Watterson Peter; Tansley Geoffrey (Ventrassist Pty Ltd and University of Technology, Sydney, 2007)
    This invention relates to rotary pumps adapted, but not exclusively, for use as artificial hearts or ventricular assist devices and, in particular, discloses in preferred forms a seal-less shaft-less pump featuring open ...
  • A Switched-Reluctance Motor/Generator for Mild Hybrid Vehicles 
    Watterson Peter; Wu Wei; Kalan Bruce; Lovatt Howard; Prout Glenn; Dunlop John; Collocott Stephen (IEEE, 2008)
    An optimised switched reluctance motor/generator for a mild hybrid electric vehicle is reported. The machine is designed to fit over a torque converter with no addition to the drive train length, while eliminating the ...
  • Thermal And Spontaneous Remagnetization In Ferromagnetic Nd3(FeTi)(29) And Nd3(FeRe)(29) 
    Collocott Stephen; Dunlop John; Watterson Peter (American Physical Society, 2007)
    Magnetization measurements at 10 K on the dc demagnetized ferromagnetic intermetallic compounds Nd3(Fe,Ti)29 and Nd3(Fe,Re)29 are reported and reveal the phenomena of thermal and spontaneous remagnetization. For both ...
  • Thermal and spontaneous remagnetization in the bulk amorphous ferromagnets Nd60Fe30Al10 and Nd60Fe 20Co10Al10 
    Collocott Stephen; Dunlop John; Watterson Peter (American Institute of Physics, 2008)
    Bulk amorphous Nd60Fe30Al10 and Nd60Fe20Co10Al10 alloys, which display hard magnetic properties, have been prepared by arc melting and quenching into a copper mould. Following magnetic saturation and dc demagnetization, ...