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System Frequency Dynamic Response of a Novel, Self-Synchronizing Inverter in a High Renewable Penetration Grid

Perenyi, Christian (2020) System Frequency Dynamic Response of a Novel, Self-Synchronizing Inverter in a High Renewable Penetration Grid. Master's Thesis, University of Pittsburgh. (Unpublished)

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In this thesis, a controller achieving current tracking objective without knowledge of the grid parameters is developed. An estimated rotating reference frame (γδ -frame) is utilized. Within the control scheme, adaptive compensation terms facilitate the current tracking objective and, simultaneously, accounts for the unavailable grid voltage magnitude, grid frequency, and grid phase, hence eliminating the need for an additional measurement and feedback system for synchronization, such as a Phase-Locked Loop (PLL).
System frequency behavior using the controller in a high-renewable (low-inertia) grid indicates that the monitored performance metrics are significantly improved when compared to PLL-controlled, inverter-dominated grids.


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Item Type: University of Pittsburgh ETD
Status: Unpublished
CreatorsEmailPitt UsernameORCID
Perenyi, Christianchp118@pitt.educhp1180000-0001-7350-9092
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Committee ChairGrainger, Brandonbmg10@pitt.edubmg100000-0001-5251-8766
Committee MemberKwasinski, Alexisakwasins@pitt.eduakwasins0000-0003-0672-5937
Committee MemberDallal, Ahmedahd12@pitt.eduahd120000-0003-0573-2326
Date: 29 July 2020
Date Type: Publication
Defense Date: 3 February 2020
Approval Date: 29 July 2020
Submission Date: 8 January 2020
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Number of Pages: 68
Institution: University of Pittsburgh
Schools and Programs: Swanson School of Engineering > Electrical Engineering
Degree: MS - Master of Science
Thesis Type: Master's Thesis
Refereed: Yes
Uncontrolled Keywords: Distributed Generation, Frequency Dynamics, Low-Inertia Grid, Phase-Locked Loop, Self-Synchronizing Inverter
Date Deposited: 29 Jul 2020 17:38
Last Modified: 29 Jul 2020 17:38

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