Power-domain impedance theory for the analysis and mitigation of interarea oscillations : preprint / Shahil Shah, Weihang Yan, Vahan Gevorgian, and Wenzhong Gao.

Format:

Book

Government document

Author/Creator:

Shah, Shahil, author.

Contributor:

National Renewable Energy Laboratory (U.S.), issuing body.

Series:

Conference paper (National Renewable Energy Laboratory (U.S.)) ; 5D00-75273.

NREL/CP ; 5D00-75273

Language:

English

Subjects (All):

Power electronics.

Damping (Mechanics).

Wind power plants.

wind power plants.

Physical Description:

1 online resource (8 pages) : illustrations.

Place of Publication:

Golden, CO : National Renewable Energy Laboratory, 2020.

Summary:

This paper presents an impedance-based theory for the analysis and mitigation of interarea oscillations in power systems. Because low-frequency power system oscillations primarily manifest in phasor quantities, including active and reactive power flows, and the magnitude and frequency of bus voltages, a new-type of impedance, called power-domain impedance, is defined in terms of these phasor quantities. The power-domain impedance provides an intuitive framework for the analysis of interarea oscillations without requiring internal details of generators, and it is ideally suited for developing oscillation damping controls in inverter-based resources. The power-domain impedance theory is demonstrated in this paper using PSCAD simulations of a two-area system. The theory is also used for designing damping control in synchronous generators and a wind power plant in the two-area system.

Notes:

To be presented at the 2020 IEEE Power and Energy Society General Meeting (IEEE PES GM), 2-6 August 2020, Montreal, Canada.

"March 2020."

Includes bibliographical references.

Description based on online resource; title from PDF title page (NREL, viewed on Sept. 21, 2020).

OCLC:

1196378987

Publisher Number:

0000-0002-3053-2863 orcid

1604300 OSTI ID

Access Restriction:

Publicly released