Implementation of dithering digital ripple correlation control for PV maximum power point tracking

Christopher Barth; Robert C.N. Pilawa-Podgurski

doi:10.1109/COMPEL.2013.6626397

Implementation of dithering digital ripple correlation control for PV maximum power point tracking

Christopher Barth, Robert C.N. Pilawa-Podgurski

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This work demonstrates a method for rapid maximum power point tracking in photovoltaic applications using dithered PWM control. Constraints imposed by power consumption, cost and component size, limit the available PWM resolution of a power converter, and may in turn limit the MPP tracking efficiency of the PV system. PWM dithering can be used to improve average PWM resolution. However, additional tracking delays are also introduced. By applying digital dithering ripple correlation control to the ripple caused by PWM dithering it is possible to achieve high tracking speed in addition to high PWM resolution. We present a theoretical derivation of the principles behind DDRCC, as well as experimental results that show excellent tracking speed and accuracy with basic hardware requirements.

Original language	English (US)
Title of host publication	2013 IEEE 14th Workshop on Control and Modeling for Power Electronics, COMPEL 2013
DOIs	https://doi.org/10.1109/COMPEL.2013.6626397
State	Published - Dec 9 2013
Event	2013 IEEE 14th Workshop on Control and Modeling for Power Electronics, COMPEL 2013 - Salt Lake City, UT, United States Duration: Jun 23 2013 → Jun 26 2013

Publication series

Name	2013 IEEE 14th Workshop on Control and Modeling for Power Electronics, COMPEL 2013

Other

Other	2013 IEEE 14th Workshop on Control and Modeling for Power Electronics, COMPEL 2013
Country	United States
City	Salt Lake City, UT
Period	6/23/13 → 6/26/13

ASJC Scopus subject areas

Energy Engineering and Power Technology
Electrical and Electronic Engineering

Access to Document

10.1109/COMPEL.2013.6626397

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Cite this

Barth, C., & Pilawa-Podgurski, R. C. N. (2013). Implementation of dithering digital ripple correlation control for PV maximum power point tracking. In 2013 IEEE 14th Workshop on Control and Modeling for Power Electronics, COMPEL 2013 [6626397] (2013 IEEE 14th Workshop on Control and Modeling for Power Electronics, COMPEL 2013). https://doi.org/10.1109/COMPEL.2013.6626397

Implementation of dithering digital ripple correlation control for PV maximum power point tracking. / Barth, Christopher; Pilawa-Podgurski, Robert C.N.

2013 IEEE 14th Workshop on Control and Modeling for Power Electronics, COMPEL 2013. 2013. 6626397 (2013 IEEE 14th Workshop on Control and Modeling for Power Electronics, COMPEL 2013).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Barth, C & Pilawa-Podgurski, RCN 2013, Implementation of dithering digital ripple correlation control for PV maximum power point tracking. in 2013 IEEE 14th Workshop on Control and Modeling for Power Electronics, COMPEL 2013., 6626397, 2013 IEEE 14th Workshop on Control and Modeling for Power Electronics, COMPEL 2013, 2013 IEEE 14th Workshop on Control and Modeling for Power Electronics, COMPEL 2013, Salt Lake City, UT, United States, 6/23/13. https://doi.org/10.1109/COMPEL.2013.6626397

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