A d-axis based current differential protection scheme for an active distribution network-Reference-Cited by-同舟云学术

A d-axis based current differential protection scheme for an active distribution network

Published:2022-06-13 Issue:1 Volume:7 Page:
ISSN:2367-2617
Container-title:Protection and Control of Modern Power Systems
language:en
Short-container-title:Prot Control Mod Power Syst

Author:

Zang Lindong,Zou Guibin^ORCID,Zhou Chenghan,Zheng Maoran,Du Tao

Abstract

AbstractThe emergence of distributed generators has changed the operational mode and fault characteristics of the distribution network, in a way which can severely influence protection. This paper proposes a d-axis-based current differential protection scheme. The d-axis current characteristics of inverter-interfaced distributed generators and synchronous generators are analyzed. The differential protection criterion using sampling values of the d-axis current component is then constructed. Compared to conventional phase-based current differential protection, the proposed protection reduces the number of required communication channels, and is suitable for distribution networks with inverter-interfaced distributed generators with complex fault characteristics. Finally, a 10 kV active distribution network model is built in the PSCAD platform and protection prototypes are developed in RTDS. Superior sensitivity and fast speed are verified by simulation and RTDS-based tests.

Funder

China Southern Power Grid

Publisher

Springer Science and Business Media LLC

Subject

Electrical and Electronic Engineering,Energy Engineering and Power Technology,Safety, Risk, Reliability and Quality

Link

https://link.springer.com/content/pdf/10.1186/s41601-022-00243-0.pdf

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