What is it about?
Vienna Rectifier is a three-level converter used for three-phase active power factor correction. Modelling of the converter is highly complex and requires use of high end Digital signal processors to control. This paper simplifies the model by decoupling and uses a simple control circuit.
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Why is it important?
This approach reduces the complexity of control. Simple control using analog or digital circuit can be implemented. Can operate at reduced power even in the absence two phases. Can be operated at full power during single phasing by connecting all the inputs to the same phase.
Perspectives
Complex model and control restrains the usage of VIENNA rectifier. Whereas the simplified model and the control provided will tend to increase the usage. By this approach, the application of the VIENNA rectifier is not restricted to three-phase alone. The same can be used for single phase applications like single phase active power factor correction (APFC), single to three-phase converter etc. Can use existing single phase APFC IC's for control.
Mr Thandapani Thangavelu
RRT Electro Powwer (P) Ltd.,
Read the Original
This page is a summary of: Modelling and control of VIENNA rectifier a single phase approach, IET Power Electronics, December 2015, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/iet-pel.2014.0503.
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