TWM - TracePQM Wattmeter

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00177016%3A_____%2F18%3AN0000017" target="_blank" >RIV/00177016:_____/18:N0000017 - isvavai.cz</a>

Result on the web

<a href="https://github.com/smaslan/TWM" target="_blank" >https://github.com/smaslan/TWM</a>

DOI - Digital Object Identifier

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Result language

angličtina

Original language name

TWM - TracePQM Wattmeter

Original language description

TWM is a transparent, metrology grade measurement system for traceable measurement of the Power and Power Quality (PQ) parameters. However, it is not restricted to power and PQ area only. It is designed to allow recording of the voltage and current waveforms using various digitizers and processing the measured waveforms using ANY algorithm.

Czech name

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Czech description

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Type

R - Software

CEP classification

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OECD FORD branch

20205 - Automation and control systems

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2018

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Internal product ID

TWM

Technical parameters

Open-source projekt, licence: MIT https://github.com/smaslan/TWM Current version includes following algorithms: TWM-PSFE: Calculation of fundamental harmonic parameters by Phase Sensitive Frequency Estimator for non-coherent sampling (frequency, amplitude and phase). TWM-FPNLSF: Calculation of fundamental harmonic parameters by four parameter fitting for non-coherent sampling (frequency, amplitude, phase, offset). TWM-MFSF: Multi-harmonic fitting for non-coherent sampling (frequency, amplitudes, phases, offset, THD). TWM-MODTDPS: Calculation of amplitude modulation parameters for sine and rectangular modulation for non-coherent sampling. TWM-Flicker: Calculation of short-term flicker severity according IEC 61000-4-15 for non-coherent sampling. TWM-THDWFFT: Total Harmonic Distortion calculator and harmonics analyser for non-coherent sampling. TWM-PWRTDI: Four quadrant power meter by time-domain integration method for non-coherent sampling. TWM-PWRFFT: Four quadrant power meter by FFT method for coherent sampling. TWM-HCRMS: Half-cycle RMS calculator for PQ event detection according IEC 61000-3-40 for non-coherent sampling. TWM-InDiSwell: PQ event detection according IEC 61000-3-40 for non-coherent sampling. TWM-WRMS: RMS level calculation by time-domain integration method for non-coherent sampling. TWM-WFFT: Windowed FFT for single or multiharmonic estimation. TWM-InpZ: Estimator of digitizer input impedance (no uncertainty). Details on the algorithms can be found in the draft document A2.4.4 - Algorithms Description.

Economical parameters

Úspora nákladů ve výši 300 000 Kč ročně.

Owner IČO

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Owner name

Consortium of EMPIR project TracePQM