PFC CUK CONVERTER-FED BLDC MOTOR DRIVE
- A diode bridge rectifier followed by a Cuk converter
working in a discontinuous conduction mode (DCM) is used for control of dc-link
voltage with unity power factor at ac mains.
- Performance of the PFC Cuk
converter is evaluated under four different operating conditions of
discontinuous and continuous conduction modes (CCM) and a comparison is made to
select a best suited mode of operation.
- The performance of the proposed system
is simulated in aMATLAB/Simulink environment and a hardware prototype of the
proposed drive is developed to validate its performance over a wide range of
speed with unity power factor at ac mains.
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