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Direct DC Solar Integration

Taylor, Emmanuel (2014) Direct DC Solar Integration. Doctoral Dissertation, University of Pittsburgh. (Unpublished)

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Abstract

The output characteristic of a photovoltaic (PV) module varies as the environmental conditions
of the module’s operation change. Changes in operating temperature and incident sunlight
dynamically change the maximum power available from a PV module, as well as the output
voltage. The output voltage of the PV generating system must be regulated, in order to ensure
proper power quality for connection to an electrical load, building electric power system, or the
electric grid.
PV modules are typically connected in series strings and parallel arrays to create PV
generating systems. Non-uniform environmental conditions create voltage mismatches
throughout PV generating systems. A mismatch between module voltages can severely reduce
the amount of power available from the overall generating system. These system losses can be
eliminated by regulating the output voltage of each module.
This dissertation proposes a power electronic device that fulfills two objectives:
extracting maximum power from the single PV module, and regulating the output voltage to
ensure a constant value. This dissertation reviews the analytical design of such a system, and
validates this design in simulation, utilizing MATLAB/SIMULINK and ANSYS Simplorer.

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Details

Item Type: University of Pittsburgh ETD
Status: Unpublished
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Taylor, Emmanuelejt7@pitt.eduEJT7
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Committee ChairReed, Gregorygfr3@pitt.eduGFR3
Committee MemberMcDermott, Thomastem42@pitt.eduTEM42
Committee MemberMao, Zhi-Hongzhm4@pitt.eduZHM4
Committee MemberStanchina, Williamwes25@pitt.eduWES25
Committee MemberLeu, Paulpleu@pitt.eduPLEU
Date: 19 September 2014
Date Type: Publication
Defense Date: 23 June 2014
Approval Date: 19 September 2014
Submission Date: 27 July 2014
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Number of Pages: 84
Institution: University of Pittsburgh
Schools and Programs: Swanson School of Engineering > Electrical and Computer Engineering
Degree: PhD - Doctor of Philosophy
Thesis Type: Doctoral Dissertation
Refereed: Yes
Uncontrolled Keywords: photovoltaics, power electronics, power distribution
Date Deposited: 19 Sep 2014 19:02
Last Modified: 15 Nov 2016 14:22
URI: http://d-scholarship.pitt.edu/id/eprint/22524

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