Jul 31st 2017

Converter Circuits (Coursera)

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This course introduces more advanced concepts of switched-mode converter circuits. Realization of the power semiconductors in inverters or in converters having bidirectional power flow is explained. Power diodes, power MOSFETs, and IGBTs are explained, along with the origins of their switching times. Equivalent circuit models are refined to include the effects of switching loss. The discontinuous conduction mode is described and analyzed. A number of well-known converter circuit topologies are explored, including those with transformer isolation.

The homework assignments include a boost converter and an H-bridge inverter used in a grid-interfaced solar inverter system, as well as transformer-isolated forward and flyback converters.

After completing this course, you will:

● Understand how to implement the power semiconductor devices in a switching converter

● Understand the origins of the discontinuous conduction mode and be able to solve converters operating in DCM ● Understand the basic dc-dc converter and dc-ac inverter circuits

● Understand how to implement transformer isolation in a dc-dc converter, including the popular forward and flyback converter topologies.

Completion of the first course Introduction to Power Electronics is the assumed prerequisite for this course.

Converter Circuits is course 2 of 6 in the Power Electronics Specialization.

Design modern switched-mode power converters; create high-performance control loops around power converters; understand efficiency, power density and cost trade-offs By 2030, 80% of all electrical energy will be processed by power electronics. Professional advantages continue to grow for technical engineers who understand the fundamental principles and technical requirements of modern power conversion systems. This specialization covers design-oriented analysis, modeling and simulation techniques leading to practical engineering of high-performance power electronics systems.

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