In this PPT, the working principle of cycloconverter and its type is explained.

1. CYCLOCONVETERS

2. CONTENTS
INTRODUCTION
TYPES
PRINCIPLE
SINGLEPHASECYCLOCONVETER
THREEPHASECYCLOCONVERTER

3. CYCLOCONVERTER
A Device which converts input power at one frequency
to output power at a different frequency with one-
stage conversion.
ACto ACconversion
Developed in 1930 ,GERMANY
UsesSCR(THYRISTORS)
Force commutation

4. TYPES
Step up cycloconverter ( Fo>Fs)
Step down cycloconverter( Fo<Fs)
Singlephase to singlephase
Mid-point cycloconverter
Bridge type cycloconverter
Three phase cycloconverter

5. SINGLEPHASECYCLOCONVETER
Step up Cycloconverter:-
LOWFrequency to HIGHFrequency
Step down Cycloconverter:-
HIGHFrequency to LOWFrequency

6. STEP-UPCYCLONVERTER
LOWTOHIGHFREQUENCYCONVERTER
MID-POINTCYCLOCONVERTER
BRIDGETYPECYCLOCONVERTER

7. MID-POINTCYCLONVERTER

8. BRIDGETYPECYCLONVERTER

9. STEP-DOWNCYCLONVERTER
HIGHTOLOWFREQUENCYCONVERTER
MID POINTCYCLOCONVERTER
BRIDGETYPECYCLOCONVERTER

10. MID-POINTCYCLONVERTER

11. BRIDGETYPECYCLONVERTER

12. THREEPHASECYCLOCONVERTER
THREEPHASETOSINGLEPHASE
THREEPHASETOTHREEPHASE

13. THREEPHASETOSINGLEPHASE

14. THREEPHASETOTHREEPHASE

15. ADV
ANTAGES
Direct conversion
Compact system
Variable speedrange
High quality wave
Low speedapplications
DIS-ADVANTAGES
Large number of thyristors
Complex circuitry
Output frequency islimited
FEATURES

16. APPLICATIONS
SPEEDCONTROLDRIVES
INDUCTION HEATING
VARIABLEFREQUENCYINPUTANDGETTINGCONST
ANT
OUTPUT

17. THANKYOU!!