Basic Control Principles in Power Electronics: Analog and Digital Control Design

Academic Press
Publication Type:
Control of Power Electronic Converters and Systems, 2018, pp. 31 - 68
Issue Date:
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In this chapter, basic principles and methods of control with a view toward applications in power electronics are provided. Control targets from a power electronics viewpoint are presented in order to take them into account when designing a controller. The standard approach to control power converters that use a linear controller to define a desired closed-loop dynamic along with a modulator to finally handle the power converter switches is discussed in detail. For this purpose, several modulation techniques are explored. Moreover, a design procedure for linear controllers to track constant and sinusoidal references is formally derived. This design considers the fact that the controller can be implemented ether in analog or digital form. Finally, some insights into controllers that do not follow this standard approach are also provided.
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