User profiles for Patrick L. Chapman

Patrick L. Chapman

Verified email at illinois.edu
Cited by 15685

Comparison of photovoltaic array maximum power point tracking techniques

T Esram, PL Chapman - IEEE Transactions on energy …, 2007 - ieeexplore.ieee.org
The many different techniques for maximum power point tracking of photovoltaic (PV) arrays
are discussed. The techniques are taken from the literature dating back to the earliest …

Dynamic maximum power point tracking of photovoltaic arrays using ripple correlation control

…, JW Kimball, PT Krein, PL Chapman… - … on power electronics, 2006 - ieeexplore.ieee.org
A dynamically rapid method used for tracking the maximum power point of photovoltaic
arrays, known as ripple correlation control, is presented and verified against experiment. The …

A multiple-input DC-DC converter topology

BG Dobbs, PL Chapman - IEEE Power Electronics Letters, 2003 - ieeexplore.ieee.org
A new topology for multiple energy source conversion is presented. The topology is capable
of interfacing sources of different voltage-current characteristics to a common load, while …

Power budgeting of a multiple-input buck-boost converter

ND Benavides, PL Chapman - IEEE Transactions on Power …, 2005 - ieeexplore.ieee.org
The use of a multiple-input buck-boost converter for budgeting power between different
energy sources is discussed. It is shown mathematically that the idealized converter can …

Modeling the effect of voltage ripple on the power output of photovoltaic modules

ND Benavides, PL Chapman - IEEE Transactions on Industrial …, 2008 - ieeexplore.ieee.org
This paper proposes a model for the static power loss in photovoltaic (PV) panels due to
switching-frequency ripple. Small-signal modeling is used to determine the amplitude of the …

Selective harmonic control: a general problem formulation and selected solutions

JR Wells, BM Nee, PL Chapman… - IEEE Transactions on …, 2005 - ieeexplore.ieee.org
Selective harmonic elimination/control has been a widely researched alternative to traditional
pulse-width modulation techniques. Previous and current work has made fundamental …

A unified approach to reliability assessment of multiphase DC–DC converters in photovoltaic energy conversion systems

…, AD Domínguez-García, PL Chapman - IEEE transactions on …, 2010 - ieeexplore.ieee.org
A systematic framework for reliability assessment and fault-tolerant design of multiphase dc-dc
converters deployed in photovoltaic applications is presented. System-level steady-state …

Modulation-based harmonic elimination

JR Wells, X Geng, PL Chapman… - IEEE Transactions on …, 2007 - ieeexplore.ieee.org
A modulation-based method for generating pulse waveforms with selective harmonic
elimination is proposed. Harmonic elimination, traditionally digital, is shown to be achievable by …

Telecommunications power plant damage assessment for hurricane katrina–site survey and follow-up results

A Kwasinski, WW Weaver, PL Chapman… - IEEE Systems …, 2009 - ieeexplore.ieee.org
This paper extends knowledge of disaster impact on the telecommunications power infrastructure
by discussing the effects of Hurricane Katrina based on an on-site survey conducted in …

Improvement of light-load efficiency using width-switching scheme for CMOS transistors

S Musunuri, PL Chapman - IEEE Power Electronics Letters, 2005 - ieeexplore.ieee.org
This paper presents a derivation of the optimum width of transistors to minimize losses in
monolithic CMOS buck converters. The high optimal width requires a tapered inverter chain …