scholarly journals Online System for Power Quality Operational Data Management in Frequency Monitoring Using Python and Grafana

Energies ◽  
2021 ◽  
Vol 14 (24) ◽  
pp. 8304
Author(s):  
Jose-María Sierra-Fernández ◽  
Olivia Florencias-Oliveros ◽  
Manuel-Jesús Espinosa-Gavira ◽  
Juan-José González-de-la-Rosa ◽  
Agustín Agüera-Pérez ◽  
...  
Keyword(s):  
Power Systems ◽  
Data Acquisition ◽  
Low Cost ◽  
Scientific Data ◽  
Gps Receiver ◽  
Online System ◽  
Measurement Results ◽  
Frequency Monitoring ◽  
Data Acquisition Module ◽  
Operational Data

This article proposes a measurement solution designed to monitor the instantaneous frequency in power systems. It uses a data acquisition module and a GPS receiver for time stamping and traceability. A Python-based module receives data, computes the frequency, and finally transfers the measurement results to a database. The frequency is calculated with two different methods, which are compared in the article. The stored data is visualized using the Grafana platform, thus demonstrating its potential for comparing scientific data. The system as a whole constitutes an efficient, low-cost solution as a data acquisition system.

scholarly journals Online System for Power Quality Operational Data Management in Frequency Monitoring using Python and Grafana

2021 ◽  
Author(s):  
Jose-María Sierra-Fernández ◽  
Olivia Florencias-Oliveros ◽  
Manuel-Jesús Espinosa-Gavira ◽  
Juan-José González-de-la-Rosa ◽  
Agustín Agüera-Pérez ◽  
...  
Keyword(s):  
Power Systems ◽  
Data Acquisition ◽  
Low Cost ◽  
Scientific Data ◽  
Gps Receiver ◽  
Online System ◽  
Measurement Results ◽  
Frequency Monitoring ◽  
Data Acquisition Module ◽  
Operational Data

This article proposes a measurement solution designed to monitor instantaneous frequency in power systems. It uses a data acquisition module and a GPS receiver for time stamping. A program in Python takes care of receiving the data, calculating the frequency, and finally transferring the measurement results to a database. The frequency is calculated with two different methods, which are compared in the article. The stored data is visualized using the Grafana platform, thus demonstrating its potential for comparing scientific data. The system as a whole constitutes an efficient low cost solution as a data acquisition system.

Low cost data acquisition module for evaluating the quantitative performance of daylight systems

Solar Energy ◽  
2007 ◽  
Vol 81 (9) ◽  
pp. 1187-1190 ◽  
Author(s):  
F. Ciampini ◽  
P.S. Scarazzato ◽  
A.A.R. Neves ◽  
D.C.L. Pereira ◽  
M.H. Yamanaka
Keyword(s):  
Data Acquisition ◽  
Low Cost ◽  
Cost Data ◽  
Quantitative Performance ◽  
Data Acquisition Module

scholarly journals 5 MW Closed Cycle Gas Turbine

1984 ◽  
Author(s):  
John L. Mason ◽  
Anthony Pietsch ◽  
Theodore R. Wilson ◽  
Allen D. Harper
Keyword(s):  
Power Systems ◽  
Gas Turbine ◽  
Oil Recovery ◽  
Low Cost ◽  
Pressure Ratio ◽  
Commercial Application ◽  
Solid Fuels ◽  
Closed Cycle ◽  
Emission Standards ◽  
Fluidized Bed Combustor

A novel closed-cycle gas turbine power system is now under development by the GWF Power Systems Company for cogeneration applications. Nominally the system produces 5 megawatts (MW) of electric power and 80,000 lb/hr (36,287 kg/hr) of 1000 psig (6895 kPa) steam. The heat source is an atmospheric fluidized bed combustor (AFBC) capable of using low-cost solid fuels while meeting applicable emission standards. A simple, low-pressure ratio, single spool, turbomachine is utilized. This paper describes the system and related performance, as well as the development and test efforts now being conducted. The initial commercial application of the system will be for Enhanced Oil Recovery (EOR) of the heavy crudes produced in California.

A real time, wireless and low cost data acquisition system for residential PV modules

2020 ◽  
Author(s):  
Cheyma BARKA ◽  
Hanen MESSAOUDI-ABID ◽  
Houda BEN ATTIA SETTHOM ◽  
Afef BENNANI-BEN ABDELGHANI ◽  
Ilhem SLAMA-BELKHODJA ◽  
...  
Keyword(s):  
Data Acquisition ◽  
Real Time ◽  
Low Cost ◽  
Data Acquisition System ◽  
Cost Data ◽  
Acquisition System ◽  
Pv Modules

scholarly journals A Low-cost System for High-frequency Solar Imagery and Power Data Acquisition

2021 ◽  
Vol 1826 (1) ◽  
pp. 012082
Author(s):  
G F Bassous ◽  
R F Calili ◽  
C R H Barbosa
Keyword(s):  
Data Acquisition ◽  
High Frequency ◽  
Low Cost ◽  
Cost System

scholarly journals Trust assessment of power system states

2020 ◽  
Vol 3 (S1) ◽  
Author(s):  
Michael Brand ◽  
Davood Babazadeh ◽  
Carsten Krüger ◽  
Björn Siemers ◽  
Sebastian Lehnhoff
Keyword(s):  
Power Systems ◽  
Power System ◽  
Data Acquisition ◽  
State Estimation ◽  
Trust Model ◽  
Proof Of Concept ◽  
Process Data ◽  
Acquisition Process ◽  
Functional Correctness ◽  
Data Acquisition Process

Abstract Modern power systems are cyber-physical systems with increasing relevance and influence of information and communication technology. This influence comprises all processes, functional, and non-functional aspects like functional correctness, safety, security, and reliability. An example of a process is the data acquisition process. Questions focused in this paper are, first, how one can trust in process data in a data acquisition process of a highly-complex cyber-physical power system. Second, how can the trust in process data be integrated into a state estimation to achieve estimated results in a way that it can reflect trustworthiness of that input?We present the concept of an anomaly-sensitive state estimation that tackles these questions. The concept is based on a multi-faceted trust model for power system network assessment. Furthermore, we provide a proof of concept by enriching measurements in the context of the IEEE 39-bus system with reasonable trust values. The proof of concept shows the benefits but also the limitations of the approach.

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