Electric power conversion systems – Current conversion – Using semiconductor-type converter
Reexamination Certificate
2005-02-01
2005-02-01
Riley, Shawn (Department: 2838)
Electric power conversion systems
Current conversion
Using semiconductor-type converter
C700S044000
Reexamination Certificate
active
06850426
ABSTRACT:
A synchronous bi-directional active power conditioning system (11) suitable for wide variable frequency systems or active loads such as adjustable speed drives which require variable voltage variable frequency power management systems is disclosed. Common power electronics building blocks (100, 200) (both hardware and software modular blocks) are presented which can be used for AC-DC, DC-AC individually or cascaded together for AC-DC-AC power conversion suitable for variable voltage and/or wide variable frequency power management systems. A common control software building block (2, 5) includes a digital control strategy/algorithm and digital phase lock loop method and apparatus which are developed and implemented in a digital environment to provide gating patterns for the switching elements (3, 6) of the common power-pass modular power electronics building blocks (100, 200).
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Kojori Hassan A.
Ma Jack Daming
Wang Zheng
Zhou George You
Honeywell International , Inc.
Palguta Larry J.
Riley Shawn
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