A comparative study on phasor and frequency measurement techniques in power systems

Sridharan, A and Sarkar, Vaskar (2016) A comparative study on phasor and frequency measurement techniques in power systems. In: National Power Systems Conference, NPSC, 19-21 December, 2016, Indian Institute of Technology Bhubaneswar Bhubaneswar; India.

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Abstract

The objective of this paper is to make a comparative study on different phasor and frequency measurement algorithms available for power systems. The dynamic nature of the power system signals has made the estimation of frequency and phasors difficult. Over the years, many digital algorithms have been developed to overcome these difficulties and to provide accurate real-Time frequency and phasor measurements. In this paper, four different algorithms for frequency estimation and three different algorithms for phasor estimation are studied and compared. A case study is performed by considering a three-phase voltage signal with time-varying amplitude and frequency to verify the effectiveness of these estimation algorithms.

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IITH Creators:

IITH Creators	ORCiD
Sarkar, Vaskar	UNSPECIFIED

Item Type:

Conference or Workshop Item (Paper)

Uncontrolled Keywords:

Amplitude; complex valued least squares; discrete fourier transform; frequency; phase angle; phase locked loop; phasor; polynomial fitting; prony; smart discrete fourier transform

Subjects:

Others > Electricity

Divisions:

Department of Electrical Engineering

Depositing User:

Team Library

Date Deposited:

11 Apr 2017 05:01

Last Modified:

21 May 2018 10:17

URI:

http://raiithold.iith.ac.in/id/eprint/3152