Author(s): Manish Paul, Banani Baishya, Barnali Talukdar
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Vol. 3 - Issue 11 (November - 2014)
This paper illustrates modeling and simulation of overvoltage and undervoltage protection scheme. The method is based upon the operation of relay under overvoltage and undervoltage faults. The term power quality is used to describe as the quality of power that is given as input to various electrical load and ability of load to function properly. Without proper power the devices may misoperate or fail. There are many ways in which electric power can be poor quality and many more causes for such poor quality. Among the various power quality problems, overvoltage and undervoltage are frequent and severe. This paper demonstrates power quality, various causes and effects of overvoltage and under voltage ,and their protection. The test model of 230V, 50 Hz, has been designed in PSIM Demo Version 126.96.36.199 .
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