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Scale Modular Test Platform for the Characterization of PD Measuring Systems Using HFCT Sensors
Eduardo Arcones1, Fernando Álvarez1, Abderrahim Khamlichi1,2
1Department of Ingeniería Eléctrica, Universidad Politécnica de Madrid, Ronda de Valencia 3, 28012 Madrid, Spain.
Sensors (Basel, Switzerland)
|March 13, 2024
Summary
A new, affordable test platform simulates high-voltage (HV) electrical grid conditions for partial discharge (PD) measurements. This allows for controlled testing and standardized characterization of PD monitoring systems, overcoming real-world limitations.
Area of Science:
- Electrical Engineering
- Materials Science
- Condition Monitoring
Background:
- Online partial discharge (PD) measurements are crucial for assessing high-voltage (HV) electrical grid dielectrics.
- Existing methods face challenges like electrical noise, cross-talk, defect localization difficulties, and uncontrolled testing environments.
- Characterizing PD measurement systems is hindered by costly lab setups and the inaccessibility of operational facilities.
Purpose of the Study:
- To present an affordable, modular test platform simulating real-world HV installation conditions for PD measurements.
- To enable controlled and standardized characterization of PD measurement systems.
- To address the limitations of current laboratory and on-site testing methodologies.
Main Methods:
- Development of a scaled, modular test platform replicating HV installation scenarios, including a cable system and gas-insulated substation (GIS).
- Adaptation of the platform for high-frequency current transformer (HFCT) sensor measurements, a common online acquisition technique.
- Validation of the test platform by assessing its features and comparing results against a real installation.
Main Results:
- The developed test platform successfully simulates on-site partial discharge (PD) measuring conditions in a controlled manner.
- The platform facilitates standardized characterization of PD measurement systems, particularly those using HFCT sensors.
- Validation demonstrated the platform's convergence with real-world installations, confirming its utility.
Conclusions:
- The affordable, modular test platform provides a viable solution for the standardized characterization of PD measurement systems.
- It overcomes the limitations of traditional testing methods by offering controlled simulation of HV electrical grid environments.
- The platform's design and validation support its use for reliable assessment and development of PD monitoring technologies.
Keywords:
condition monitoringinsulation testingmodel checkingmodel-driven developmentpartial dischargesperformance evaluationpower system modelingsensor phenomena and characterizationMore Related Videos
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