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PAPER_ROCOF_Arduino_v6 (Accepted version).pdf (1.07 MB)

RoCoF calculation using low-cost hardware in the loop: multi-area Nordic power system

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conference contribution
posted on 2021-01-06, 08:58 authored by Jose Barrios-Gomez, Francisco Sanchez, Gianfranco ClaudioGianfranco Claudio, F Gonzalez-Longatt, M Acosta, Danijel Topic
This research paper presents a rate of change of frequency (RoCoF) implementation using low-cost hardware in the loop (HIL) with application to Nordic Power System (NPS). Two methods to calculate the RoCoF are presented: Incremental difference one step and moving window (MW) or rolling window. HIL) approach is used to reach natural noise levels found in the frequency signal obtained from real power devices. The low-cost HIL implementation is based on two Arduinos ® in the loop. An Arduino ® working as standalone is used to generate an analogue signal representative of one area of the NPS, a second Arduino ® in the loop contains the RoCoF calculation methods and filters. This paper analyses the effect of including lowpass filters (LPFs) because the noise of the frequency affects the RoCoF calculation. Three cases are implemented in the Arduino ® and compared with Simulink ® /MTALAB™ simulations: Base Case: no filter and noise signal, Case I: LPF applied to the input frequency signal, Case II: LPF at the frequency signal and LFP at the output of the RoCoF (smoothing). Results demonstrate that RoCoF calculation methods worked correctly in the HIL and using two LPFs clean the signal from the noise produced by the Arduino ® .

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Research Unit

  • Centre for Renewable Energy Systems Technology (CREST)

Published in

2020 International Conference on Smart Systems and Technologies (SST)

Pages

187 - 192

Source

2020 International Conference on Smart Systems and Technologies (SST)

Publisher

IEEE

Version

  • AM (Accepted Manuscript)

Rights holder

© IEEE

Publisher statement

© 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Acceptance date

2020-10-16

Publication date

2020-11-26

Copyright date

2020

ISBN

9781728197593

Language

  • en

Location

Osijek, Croatia

Event dates

14th October 2020 - 16th October 2020

Depositor

Dr Gianfranco Claudio. Deposit date: 16 December 2020

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