Frequency-Locked Loop based New Automatic Phase-Shift Method for Active Islanding Detection of Three-Phase MicroGrid

Surya Chandra Gulipalli; Yen Ming Chen; Ting I. Liu; Chia Chi Chu

doi:10.1109/IAS54023.2022.9939908

Frequency-Locked Loop based New Automatic Phase-Shift Method for Active Islanding Detection of Three-Phase MicroGrid

Surya Chandra Gulipalli, Yen Ming Chen, Ting I. Liu, Chia Chi Chu

National Tsing Hua University

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

2 Scopus citations

Abstract

This paper proposes an active Islanding Detection Method (IDM) integrating Frequency Locked-Loop (FLL) for detection of voltage phase and frequency at the point of common coupling (PCC) and modified Auto Phase Shift (APS) method for three phase Distributed Energy Resource (DER) serving a local RLC load. The FLL is composed of a double second-order generalized integrator (DSOGI) to attenuate the harmonics and pass the fundamental positive sequence components in a frequency adaptive manner. Different from traditional APS methods, a new variable frequency term with an exponential factor is injected into the phase shift algorithm to reduce the Non-detection Zone (NDZ) during the case of DER power matching with the local load demand. This modified approach enables the decentralized power generation system to detect the islanding phenomenon more quickly. Simulations and experimental tests conducted on a DG system on OPALRT (OP5600) and hardware test-bed demonstrate the behaviour of the proposed model within IEEE Standards.

Original language	English
Title of host publication	2022 IEEE Industry Applications Society Annual Meeting, IAS 2022
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781665478151
DOIs	https://doi.org/10.1109/IAS54023.2022.9939908
State	Published - 2022
Externally published	Yes
Event	2022 IEEE Industry Applications Society Annual Meeting, IAS 2022 - Detroit, United States Duration: 09 10 2022 → 14 10 2022

Publication series

Name	Conference Record - IAS Annual Meeting (IEEE Industry Applications Society)
Volume	2022-October
ISSN (Print)	0197-2618

Conference

Conference	2022 IEEE Industry Applications Society Annual Meeting, IAS 2022
Country/Territory	United States
City	Detroit
Period	09/10/22 → 14/10/22

Bibliographical note

Publisher Copyright:
© 2022 IEEE.

Keywords

Islanding detection
automatic phase-shift method
distributed energy source
frequency positive feedback
frequency-locked loop
non-detection zone

Access to Document

10.1109/IAS54023.2022.9939908

Cite this

Gulipalli, S. C., Chen, Y. M., Liu, T. I., & Chu, C. C. (2022). Frequency-Locked Loop based New Automatic Phase-Shift Method for Active Islanding Detection of Three-Phase MicroGrid. In 2022 IEEE Industry Applications Society Annual Meeting, IAS 2022 (Conference Record - IAS Annual Meeting (IEEE Industry Applications Society); Vol. 2022-October). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IAS54023.2022.9939908

Gulipalli, Surya Chandra ; Chen, Yen Ming ; Liu, Ting I. et al. / Frequency-Locked Loop based New Automatic Phase-Shift Method for Active Islanding Detection of Three-Phase MicroGrid. 2022 IEEE Industry Applications Society Annual Meeting, IAS 2022. Institute of Electrical and Electronics Engineers Inc., 2022. (Conference Record - IAS Annual Meeting (IEEE Industry Applications Society)).

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title = "Frequency-Locked Loop based New Automatic Phase-Shift Method for Active Islanding Detection of Three-Phase MicroGrid",

abstract = "This paper proposes an active Islanding Detection Method (IDM) integrating Frequency Locked-Loop (FLL) for detection of voltage phase and frequency at the point of common coupling (PCC) and modified Auto Phase Shift (APS) method for three phase Distributed Energy Resource (DER) serving a local RLC load. The FLL is composed of a double second-order generalized integrator (DSOGI) to attenuate the harmonics and pass the fundamental positive sequence components in a frequency adaptive manner. Different from traditional APS methods, a new variable frequency term with an exponential factor is injected into the phase shift algorithm to reduce the Non-detection Zone (NDZ) during the case of DER power matching with the local load demand. This modified approach enables the decentralized power generation system to detect the islanding phenomenon more quickly. Simulations and experimental tests conducted on a DG system on OPALRT (OP5600) and hardware test-bed demonstrate the behaviour of the proposed model within IEEE Standards.",

keywords = "Islanding detection, automatic phase-shift method, distributed energy source, frequency positive feedback, frequency-locked loop, non-detection zone",

author = "Gulipalli, \{Surya Chandra\} and Chen, \{Yen Ming\} and Liu, \{Ting I.\} and Chu, \{Chia Chi\}",

note = "Publisher Copyright: {\textcopyright} 2022 IEEE.; 2022 IEEE Industry Applications Society Annual Meeting, IAS 2022 ; Conference date: 09-10-2022 Through 14-10-2022",

year = "2022",

doi = "10.1109/IAS54023.2022.9939908",

language = "英语",

series = "Conference Record - IAS Annual Meeting (IEEE Industry Applications Society)",

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Gulipalli, SC, Chen, YM, Liu, TI & Chu, CC 2022, Frequency-Locked Loop based New Automatic Phase-Shift Method for Active Islanding Detection of Three-Phase MicroGrid. in 2022 IEEE Industry Applications Society Annual Meeting, IAS 2022. Conference Record - IAS Annual Meeting (IEEE Industry Applications Society), vol. 2022-October, Institute of Electrical and Electronics Engineers Inc., 2022 IEEE Industry Applications Society Annual Meeting, IAS 2022, Detroit, United States, 09/10/22. https://doi.org/10.1109/IAS54023.2022.9939908

Frequency-Locked Loop based New Automatic Phase-Shift Method for Active Islanding Detection of Three-Phase MicroGrid. / Gulipalli, Surya Chandra; Chen, Yen Ming; Liu, Ting I. et al.
2022 IEEE Industry Applications Society Annual Meeting, IAS 2022. Institute of Electrical and Electronics Engineers Inc., 2022. (Conference Record - IAS Annual Meeting (IEEE Industry Applications Society); Vol. 2022-October).

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

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AU - Gulipalli, Surya Chandra

AU - Chen, Yen Ming

AU - Liu, Ting I.

AU - Chu, Chia Chi

PY - 2022

Y1 - 2022

N2 - This paper proposes an active Islanding Detection Method (IDM) integrating Frequency Locked-Loop (FLL) for detection of voltage phase and frequency at the point of common coupling (PCC) and modified Auto Phase Shift (APS) method for three phase Distributed Energy Resource (DER) serving a local RLC load. The FLL is composed of a double second-order generalized integrator (DSOGI) to attenuate the harmonics and pass the fundamental positive sequence components in a frequency adaptive manner. Different from traditional APS methods, a new variable frequency term with an exponential factor is injected into the phase shift algorithm to reduce the Non-detection Zone (NDZ) during the case of DER power matching with the local load demand. This modified approach enables the decentralized power generation system to detect the islanding phenomenon more quickly. Simulations and experimental tests conducted on a DG system on OPALRT (OP5600) and hardware test-bed demonstrate the behaviour of the proposed model within IEEE Standards.

AB - This paper proposes an active Islanding Detection Method (IDM) integrating Frequency Locked-Loop (FLL) for detection of voltage phase and frequency at the point of common coupling (PCC) and modified Auto Phase Shift (APS) method for three phase Distributed Energy Resource (DER) serving a local RLC load. The FLL is composed of a double second-order generalized integrator (DSOGI) to attenuate the harmonics and pass the fundamental positive sequence components in a frequency adaptive manner. Different from traditional APS methods, a new variable frequency term with an exponential factor is injected into the phase shift algorithm to reduce the Non-detection Zone (NDZ) during the case of DER power matching with the local load demand. This modified approach enables the decentralized power generation system to detect the islanding phenomenon more quickly. Simulations and experimental tests conducted on a DG system on OPALRT (OP5600) and hardware test-bed demonstrate the behaviour of the proposed model within IEEE Standards.

KW - Islanding detection

KW - automatic phase-shift method

KW - distributed energy source

KW - frequency positive feedback

KW - frequency-locked loop

KW - non-detection zone

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Y2 - 9 October 2022 through 14 October 2022

ER -

Gulipalli SC, Chen YM, Liu TI, Chu CC. Frequency-Locked Loop based New Automatic Phase-Shift Method for Active Islanding Detection of Three-Phase MicroGrid. In 2022 IEEE Industry Applications Society Annual Meeting, IAS 2022. Institute of Electrical and Electronics Engineers Inc. 2022. (Conference Record - IAS Annual Meeting (IEEE Industry Applications Society)). doi: 10.1109/IAS54023.2022.9939908

Frequency-Locked Loop based New Automatic Phase-Shift Method for Active Islanding Detection of Three-Phase MicroGrid

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