alexa Analysis of Single Phase AC-DC SEPIC Converter using C
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
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Research Article

Analysis of Single Phase AC-DC SEPIC Converter using Closed Loop Techniques

A.Ramkumar1, S.Vijula Shini Florence2
  1. PG Student [AE], Dept. of ECE, Renganayagi Varatharaj College of Engineering, Sivakasi, Tamilnadu, India 1
  2. Assistant Professor, Dept. of EEE, Renganayagi Varatharaj College of Engineering, Sivakasi, Tamilnadu, India 2
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This paper proposes single phase AC-DC SEPIC converter using closed loop techniques for domestic and industrial applications. The Single Ended Primary Inductor Converter (SEPIC) is a type of DC-DC converter allowing the electrical potential (voltage) at its output to be greater then, less then, or equal to that of its input. A SEPIC converter is similar to the BUCK-BOOST and BOOST-BUCK converter, but has advantages of having non-inverted output (The polarity of the output voltage is same as that of the input). There are two types of techniques, open loop and closed loop technique. In open loop, a non-isolated SEPIC converter is used. This has lower power factor and high THD. Hence the closed loop technique is used to improve power factor and THD. The control techniques are voltage follower approach and average current control technique. By using the above techniques the power quality parameters will be improved when compared to open loop. The simulation of SEPIC converter is done by using the software tool PSIM (Power Simulation).


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