Performance of the OVP/UVP and OFP/UFP method with voltage and frequency dependent loads
Name
Zeineldin-2009-Performance of the OVPUVP and OFPUFP Method With Voltage and Frequency Dependent Loads.pdf
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523.66 KB
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Checksum (MD5)
daa04456d1dd2cfca33fe096eebc30b5
Author(s)
Kirtley, James L., Jr.
Zeineldin, H. H.
Date Issued
March 2009
Journal
IEEE Transactions on Power Delivery
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Zeineldin, H.H., and J.L. Kirtley. “Performance of the OVP/UVP and OFP/UFP Method With Voltage and Frequency Dependent Loads.” IEEE Transactions on Power Delivery 24.2 (2009): 772–778. © Copyright 2009 IEEE
Version
Final published version
Abstract
In previous literature, constant RLC loads were assumed to impose, on the islanding detection method, the hardest detectable case. For this reason, distributed-generation (DG) islanding studies are usually analyzed and performed by using constant RLC loads. In this paper, different types of loads are taken into account by modeling the load's voltage and frequency dependence. The performance of the over/undervoltage and over/underfrequency protection (OVP/UVP and OFP/UFP) method is examined for the different load models and the results are compared with the constant RLC load case. The analysis is conducted on a constant power-controlled DG designed to operate at unity power factor. A generalized formula, for calculating the nondetection zone of the OVP/UVP and OFP/UFP method, is derived in terms of the load's voltage and frequency dependence parameters. The analysis is further extended on a constant current-controlled DG interface.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
http://dx.doi.org/10.1109/TPWRD.2008.2002959
