A Novel Design for Switchable Grid-Following and Grid-Forming Control

Ding, Huazhao; Kar, Rabi; Miao, Zhixin; Fan, Lingling

doi:10.1109/tste.2024.3520989

A Novel Design for Switchable Grid-Following and Grid-Forming Control

Journal Article · Fri Dec 20 00:00:00 EST 2024 · IEEE Transactions on Sustainable Energy

DOI:https://doi.org/10.1109/tste.2024.3520989· OSTI ID:2562882

^[1]; Kar, Rabi ^[2]; ^[2]; ^[2]

University of South Florida, Tampa, FL (United States); University of South Florida
University of South Florida, Tampa, FL (United States)

This paper presents the design of a novel grid- forming (GFM) control structure adapted from a typical grid- following (GFL) control structure with minimal edits, thereby enabling a switchable control structure for voltage sourced converters (VSCs) to operate in either GFL or GFM mode by simply switching a flag manually. The VSC is shown to be able to operate in the GFL control mode synchronizing to the main grid through a phase-locked-loop (PLL) and operate as a GFM controller with power-based synchronization for both grid-connected and islanded conditions. To guarantee smooth operation, the control schemes and the mode switching logic have been carefully designed and examined via a series of experiments. Here, the experiment results show that the switchable control structure can fulfill the desired control and operation functions and enable smooth transition between control modes.

View Accepted Manuscript (DOE)

Research Organization:: University of South Florida, Tampa, FL (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: EE0011474

OSTI ID:: 2562882

Journal Information:: IEEE Transactions on Sustainable Energy, Journal Name: IEEE Transactions on Sustainable Energy Journal Issue: 2 Vol. 16; ISSN 1949-3029

Publisher:: IEEECopyright Statement

Country of Publication:: United States

Language:: English

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14 SOLAR ENERGY
24 POWER TRANSMISSION AND DISTRIBUTION
Voltage sourced converters
converter control
grid integration
grid-following control
grid-forming control
islanding
synchronization

A Novel Design for Switchable Grid-Following and Grid-Forming Control

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