IEC TR 61850-90-17: Power Quality, PQDIF and WebPQ®
IEC TR 61850-90-17 describes the integration of power quality data into IEC 61850 environments. Learn about the role of PQDIF, COMTRADE and WebPQ® in data transfer, analysis and continuous PQ data processing.
»EORSys« Webinar: Integration of Future-Proof Secondary Substations Into the Distribution Grid - Part 2 | A. Eberle
Webinar recording from 2026-07-15: »EORSys« -Integration of Future-Proof Secondary Substations Into the Distribution Grid with EOR-1DS & EOR-3DS - Part 2
»REGSys®« Webinar: New Requirements and Application Cases for Voltage Regulators in MV/HV-Grids
Webinar recording from 2026-06-10: »REGSys®« New Requirements and Application Cases for Voltage Regulators in MV/HV-Grids
Digital Substation
A digital secondary substation combines measurement, fault location and secure data analysis to improve transparency across medium- and low-voltage distribution grids.
»PQSys« Webinar: PQ-Monitoring & Feeder Current Measurement in Low-Voltage Grids 4
Webinar recording from 2026-05-13: »PQSys - PQ-Monitoring & Feeder Current Measurement in Low-Voltage Grids - part 4«.
Electrical Resistance
Electrical resistance is one of the fundamental quantities in electrical engineering. This article explains the definition, unit, symbol, Ohm's law, resistance measurement and the role of resistance in circuits and power networks.
Measuring Equipotential Bonding
Measuring equipotential bonding is essential for verifying low-resistance, continuous connections between conductive parts. This article explains equipotential bonding, relevant standards, typical measurement methods and its importance for safety, EMC, power quality and reliable grid operation.
Insulation Resistance and Insulation Measurement
Insulation measurement helps assess the safety and condition of electrical installations. This article explains insulation resistance measurement, relevant limits, test voltages and practical interpretation in real grid operation.
Transformer Monitoring
Transformer monitoring helps detect critical operating conditions early, reduce outages and improve the safe operation of transformers in power grids and industrial systems.
»PQMobil« Webinar: Power Quality Analysis in Public & Industrial Power Grids with A. Eberle PQ-Boxes - Part 4
Webinar recording from 2026-04-15: »PQMobil - Power Quality Analysis in Public & Industrial Power Grids – Part 4«.
Clamp Meter - Contactless Current Measurement in Grids and Electrical Installations
A clamp meter enables fast, non-invasive current measurement in AC and DC systems and supports troubleshooting, commissioning, and temporary load analysis in grid and industrial applications.
Power Plant Controller: Measurement Values at the Grid Connection Point
Power Plant Controller operation at the grid connection point depends on low-latency, accurate, and dynamically reliable measurement values. This article explains the technical requirements, the role of PQI-DA smart and PQI-DE, and why actual-value feedback must be clearly separated from formal verification under VDE-AR-N 4110/4120.
»LVRSys®« Webinar: The Solution for Voltage Stability Problems - Integrate PV, Electromobility & Heat Pumps
Webinar recording from 2026-03-19: »LVRSys®The Solution for Voltage Stability Problems - Integrate PV, Electromobility & Heat Pumps
»PQ-Box ONE« Webinar: The New Single-Phase Power Quality Analyser for Measurements
Webinar recording from 2026-02-25: »PQ-Box ONE« - The New Single-Phase Power Quality Analyser for Measurements
Measuring Harmonics: Detecting Disturbances in Buildings
Harmonic distortion and supraharmonics can cause flicker, nuisance tripping and device malfunctions in modern buildings. This article explains how to measure harmonics at the socket outlet and interpret spectra (e.g., around 17 kHz) to identify the root cause.
