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Research on Magnetic Suspended Flywheel Energy Storage System Rotor Bearing Parts

Author: DiaoHuanYong
Tutor: ZhouZuDe
School: Wuhan University of Technology
Course: Mechanical Manufacturing and Automation
Keywords: Flywheel Energy Storage Magnetic bearings Hybrid Magnetic Bearing
CLC: TH133.7
Type: Master's thesis
Year: 2011
Downloads: 143
Quote: 1
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Abstract


Flywheel energy storage technology is a new type of energy storage technology . Flywheel energy storage system has a high specific energy , specific power , small size , fast charge , long life , without any exhaust gas waste and pollution . With vacuum technology , composite materials technology , the development of magnetic levitation technology , the development and application of new energy storage device as possible, has good prospects for development . Key flywheel energy storage technology is one of its supporting technology , the flywheel support system not only to be able to support the flywheel rotor , its stable and reliable operation , and the need to minimize the size of the entire flywheel rotor , reducing the energy loss due to the support . The flywheel rotor support exploration and research . This article describes the basic principles and structure of the flywheel energy storage system , summarizes current research status quo of flywheel energy storage technology at home and abroad , focusing on analysis of domestic and international support of flywheel energy storage research , as well as problems . This paper designed a flywheel energy storage system , which includes the main body of the flywheel energy storage control system and a vacuum device . Focus its support to the design and analysis ; given a support program for the flywheel energy storage system supporting bearing . In this paper, the design of flywheel energy storage system using a radial magnetic bearings and axial - radial composite magnetic bearing to . Axial - radial composite magnetic bearing structure , and works to highlight the equivalent magnetic circuit magnetic circuit of the magnetic bearing projections , axial and radial suspension force formula and its mathematical model ; and given axial - radial composite magnetic bearing design method of electromagnetic and permanent structural parameters . Determine the structural parameters on the basis of the characteristics of the magnetic bearing analysis, nonlinear analysis , permanent magnet levitation force of the magnetic bearing , magnetic bearing levitation force between the axial and radial coupling analysis . Finally , to full electromagnetic supporting the flywheel rotor with axial - radial composite flywheel magnetic bearing rotor object from quality , energy storage and rotor dynamic characteristics were analyzed and compared .

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CLC: > Industrial Technology > Machinery and Instrument Industry > Mechanical parts and gear > Moving parts > Flywheel
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