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2019•Anais do 14º Simpósio Brasileiro de Automação InteligenteOpen access

DESIGN OF POWER QUALITY ANALYZER BASED ON PIC MICROCONTROLLER ALONG WITH A COMPUTER

Moisés Soares Martins, André Lage Almeida Dias, Welbert Alves Rodrigues, Alisson Fernandes Nunes, Rafael Júnio Cota Cekiera

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Abstract

This paper describes the prototype of a power quality analyzer designed for real-time measures of AC voltage, AC current, active power, reactive power, complex power, power factor, frequency, and voltage total harmonic distortion of a singlephase power system.The prototype has a PICF4550 microcontroller that works in parallel to a computer.The microcontroller collects the data from the grid and sends to the computer to show real-time graphics of voltage and current in time and frequency domain.It also shows some electrical quantities measurements in a LCD display attached on the prototype.The results of two scenarios of tests are presented and compared to a commercial power quality analyzer.

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What this paper is about

This paper describes the prototype of a power quality analyzer designed for real-time measures of AC voltage, AC current, active power, reactive power, complex power, power factor, frequency, and voltage total harmonic distortion of a singlephase power system.The prototype has a PICF4550 microcontroller that works in parallel to a computer.The microcontroller collects the data from the grid and sends to the computer to show real-time graphics of voltage and current in time and frequency domain.It also shows some electrical quantities measurements in a LCD display attached on the prototype.The results of two scenarios of tests are presented and compared to a commercial power quality analyzer.

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Available abstract

This paper describes the prototype of a power quality analyzer designed for real-time measures of AC voltage, AC current, active power, reactive power, complex power, power factor, frequency, and voltage total harmonic distortion of a singlephase power system.The prototype has a PICF4550 microcontroller that works in parallel to a computer.The microcontroller collects the data from the grid and sends to the computer to show real-time graphics of voltage and current in time and frequency domain.It also shows some electrical quantities measurements in a LCD display attached on the prototype.The results of two scenarios of tests are presented and compared to a commercial power quality analyzer.

Key concepts: Spectrum analyzer, Microcontroller, Computer science, Power quality, Power (physics), Quality (philosophy), Computer hardware, Embedded system

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