Calculation of RMS Values for Variable Frequency Sinusoidal Signals, Using Phasors and Digital SAL and CAL Filters

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Resumen

The accurate measurement of RMS values of voltage and current is crucial for the monitoring and protection of power systems and in general for electrical power distribution systems. The authors in this paper have developed an algorithm to calculate the RMS value of sinusoidal signals of varying frequency, by applying phasors obtained from digital filters SAL and CAL. In conditions in which the frequency of the grid varies, a phase shift is presented in the phasor of the grid voltage which is used for the design of a regulator that allows to obtain accurate RMS voltage values. The choice of the SAL and CAL digital filters is due to their low computational requirement, so they can be implemented in general-purpose microcontrollers.

Idioma originalInglés
Título de la publicación alojadaProceedings of the 11th International Conference on Electronics, Communications and Networks, CECNet 2021
EditoresAntonio J. Tallon-Ballesteros
EditorialIOS Press BV
Páginas292-299
Número de páginas8
ISBN (versión digital)9781643682402
DOI
EstadoPublicada - 22 dic. 2021
Evento11th International Conference on Electronics, Communications and Networks, CECNet 2021 - Virtual, Online, China
Duración: 18 nov. 202121 nov. 2021

Serie de la publicación

NombreFrontiers in Artificial Intelligence and Applications
Volumen345
ISSN (versión impresa)0922-6389
ISSN (versión digital)1879-8314

Conferencia

Conferencia11th International Conference on Electronics, Communications and Networks, CECNet 2021
País/TerritorioChina
CiudadVirtual, Online
Período18/11/2121/11/21

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