Clamping five level variable frequency driving device utilizing internal and external ring double-group rectifier bridge
Title：
Clamping five level variable frequency driving device utilizing internal and external ring double-group rectifier bridge
Application Number：
 200710062642
Application Date：
 2007/01/12
Announcement Date：
 2007/08/22
Pub. Date：
Publication Number：
 101022262
Announcement Number：
Grant Date：
Granted Pub. Date：
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 H02P 27/06H02P 27/08
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Li Yongdong, Gao Yue, Yao Jianye
Key Words：
 Clamping, five level, variable frequency, double-group, rectifier bridge
Abstract：
 A clamp five level frequency conversion driving device with internal and external double-set of rectification bridge is prepared as forming master circuit by two sets of non-controllable rectification bridges and clamp five level inverter, selecting intermediate DC clamp capacity according system voltage level, using diode clamp five level structure as inverter and semiconductor switching component as master switch as well as using controller to generate PWM control signal by applying digital signal microprocessor as kernel.
Claim：
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