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Compare Cyclo-converter and D.C Link Converter
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Parameter Cyclo-Converter D.C Link Converter
Principle Cyclo-Converter converts A.C at one frequency to A.C at some other with a single stage of power conversion. D.C link converter uses two power stages A.C to D.C converter and then D.C to A.C converter
Forced commutation required Not Required Required
Losses Low High
Power factor Low High
Output frequency Can vary in steps Smooth control is possible
Number of thyristors Large Small
Applications Suitable for low speed large power drives Suitable for high frequency applications
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