Original document(6 pages)  中文版
    The frequency converter consists of triphase bridge rectifier, DC filter, triphase inverter, triphase motor, multi-channel isolated power source, switching quantity signal, analog quantity signal, six-channel isolated driver, voltage changing and frequency varying controller, protection signal outputting display. It is used for rotation speed regulation of motor and the controlled motor can operate at low speed for long period and has high efficiency and high power-savbing effect.
Application Number
申请号
00102800 Application Date
申请日
2000.02.23
Title 名称 Harmonic-eliminating frequency converter for speed regulation of motor
Publication Number
公开号
1265536 Publication Date
公开日
2000.09.06
Approval Pub. Date Granted Pub. Date
International Classification 分类号 H02P7/36,H02P7/628
Applicant(s) Name
申请人
Xu Huiming
Address 地址 150001
Inventor(s) Name 发明人
Attorney & Agent 代理人 lin qiang

  
Three phase IF harmonic analysis circuit
Magnetic pump type superconductive energy output machine
Method and device of hybrid cell structure for use in electric or hybrid electrodynamic system
Earthing protection method for small current earthing system
Earthing protection method for stator of power generator
Automatically restoring electronic fuse device
Annular multi-pole energy-saving spark plug and its manufacture
Semiconductor laser
Prepumping method to obtain stable gain of passive Q-regulaitng laser
High-voltage connector
Note:All patent data come from State Intellectual Property Office of the People's Republic of China. If there were discrepancies between here and the State Intellectual Property office, the later is more accurate. The patent data is only for public exchange and learning purposes. We are not responsible for the adverse consequences with unverified use of the data.