发明名称 |
PWM power supplies using controlled feedback timing and methods of operating same |
摘要 |
A closed loop power converter circuit of a UPS or other power supply includes a pulse width modulator circuit in a forward path of the closed loop power circuit. A compensation circuit provides pulse width commands to the pulse width modulator at a first rate. A feedback circuit digitally filters samples of an output of the closed loop power converter at a second rate greater the first rate and that provides the filtered samples to the compensation circuit. In some embodiments, the compensation circuit may be operative to compensate for the phase lag associated with a low pass output filter.
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申请公布号 |
US7247955(B2) |
申请公布日期 |
2007.07.24 |
申请号 |
US20020236876 |
申请日期 |
2002.09.06 |
申请人 |
EATON POWER QUALITY CORPORATION |
发明人 |
TRACY JOHN G.;TASSITINO, JR. FREDERICK;PFITZER HANS;BOBB RENNIE;RICE JULIUS |
分类号 |
H01H3/26;H02J9/06 |
主分类号 |
H01H3/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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