NDLI: A new phase sequence detector for the three-phase rotary loads

Content Provider	IEEE Xplore Digital Library
Author	Bidgoli, M.A. Soori, A. Bina, M.T.
Copyright Year	2011
Description	Author affiliation: K. N. Toosi University of Technology, Tehran, Iran (Bidgoli, M.A.; Soori, A.; Bina, M.T.)
Abstract	Automated load balancers can swap output phases of feeders in a distribution substation by the use of matrix converters. In addition, the rotational three phase loads operate clockwise if three phase system has positive sequence. In order to complete the proposed method for balancers, in this paper three different methods is proposed for recognizing phase sequence in power systems. The first evaluated method detects phase sequence by measuring of instantaneous symmetrical components. This method has drawbacks of complexity and low speed in detecting. The second method detects phase sequence by using a phase lock loop (PLL) for metering the power system frequency. The second technique is fast, but PLL that is used in this technique operates incorrectly under unbalanced condition. Finally, the third method is a new technique that is proposed for the first time in this paper which is very fast. This innovative method detects phase swapping by the zero crossing times. The whole methods are simulated by SIMULINK to verify and compare the suggested method with other techniques.
Starting Page	529
Ending Page	533
File Size	613158
Page Count	5
File Format	PDF
ISBN	9781612844220
e-ISBN	9781612844213
DOI	10.1109/PEDSTC.2011.5742476
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-02-16
Publisher Place	Iran
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power system balancer Phase measurement Substations Voltage measurement Phase frequency detector Phase lock loop Zero crossing detection Phase sequence Matrix converters Phase locked loops Load flow
Content Type	Text
Resource Type	Article

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