File(s) not publicly available

A novel active islanding fault detection based on even harmonics injection and set-membership filtering

conference contribution
posted on 06.12.2017, 00:00 authored by Z Wu, Fuwen YangFuwen Yang, Qing-Long HanQing-Long Han, Z Luo
This paper proposes a novel active islanding fault detection method based on even harmonics injection and set-membership filtering for the distributed generation systems. Traditional active islanding detections are mainly adding disturbances to frequency or phase of the voltage reference signal. The proposed active method detects islanding fault by injecting even-order harmonics into the current reference signal and monitoring the changes of corresponding voltage harmonics using set-membership filtering. This paper gives the principle of this proposed detection method and analyzes the range of injected even harmonics. We compare the differences of the even-order harmonic voltage between grid-connected and grid-off conditions. The proposed method has a number of advantages such as fast detection speed, almost no non-detection zone, and little impact on power quality. The effectiveness of the proposed method is demonstrated by MATLAB/Simulink simulations. Kalman filtering contrast experiments are presented to confirm that the set-membership filtering is more effective in islanding detection.

Funding

Other

History

Start Page

3683

End Page

3689

Number of Pages

7

Start Date

01/01/2014

Finish Date

01/01/2014

ISBN-13

9781479958252

Location

Shenyang, China

Publisher

IEEE

Place of Publication

USA

Peer Reviewed

Yes

Open Access

No

Era Eligible

Yes

Name of Conference

World Congress on Intelligent Control and Automation