Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/62679
Title: Real-time assessment of a symmetrical component and microcontroller based distance relay
Authors: Waikar, D.L.
Elangovan, S. 
Liew, A.C. 
Sng, S.H.
Keywords: Distance relays
Fault detection
Relay protection
Issue Date: Feb-1995
Source: Waikar, D.L.,Elangovan, S.,Liew, A.C.,Sng, S.H. (1995-02). Real-time assessment of a symmetrical component and microcontroller based distance relay. Electric Power Systems Research 32 (2) : 107-112. ScholarBank@NUS Repository.
Abstract: This paper presents the design, implementation and real-time assessment of a microcontroller based digital distance relay that can be used for the protection of power transmission lines. The proposed design is implemented using a general-purpose Intel 8097 microcontroller and custom-made filters, operational amplifiers, sample-and-hold amplifiers, multiplexers, and analog-to-digital converters. The relay software is based on a computationally efficient symmetrical component based fault distance estimation algorithm. Results of the performance assessment studies on this algorithm have shown promising fault distance estimates for first-zone faults on the protected transmission line. Real-time implementation of the symmetrical component based fault distance estimation algorithm is presented and discussed in this paper. Hardware and software tools were used to design and fabricate a microcontroller based distance relay using the above-mentioned algorithm. This paper describes details of the design of the distance relay. A test setup in the laboratory using a transmission line model was used to generate data to assess the real-time response of the designed relay. High-speed relay operation of the order of one cycle is demonstrated in the test results. © 1995.
Source Title: Electric Power Systems Research
URI: http://scholarbank.nus.edu.sg/handle/10635/62679
ISSN: 03787796
Appears in Collections:Staff Publications

Show full item record
Files in This Item:
There are no files associated with this item.

Page view(s)

14
checked on Feb 16, 2018

Google ScholarTM

Check


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.