Universal high voltage recorder for testing laboratories
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Abstract
Traditionally, high-voltage (HV) laboratories have required different measuring instruments to measure alternating voltages 50/60 Hz (AC), using peak voltmeters, lightning impulses, through peak voltage meters and oscilloscopes and the apparent load, by means of partial discharge (PD) measuring instruments. All of them with very different technical requirements included in standards applicable to hardware and software (standards of the IEC 61083 [1] series and IEC 60270 [2] standard). However, the technological evolution of measuring instruments has allowed these measurements could be carried out through high-performance digital A/D recorders. This article describes the new measuring system developed by the LCOE “Universal High Voltage Recorder”, known as “RUAT”, capable of being used for the five typical measurements of high voltage in a laboratory: AC, DC, lightning impulse (1.2/50 µs), switching impulse (250/2500 µs) and PD.
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References
IEC 61083-1 “Instruments and software used for measurement in high-voltage impulse tests – Part 1: Requirements for instruments”, 2001.
IEC 60270 “High-voltage test techniques - Partial discharge measurements”, 2000.
Proyecto EMPIR de EURAMET, H2020, 19NRM07 HV-Com2 “Support for standardisation of high voltage testing with composite and combined wave shapes”, 2020.
IEC 60060-2 “High-Voltage Test Techniques - Part 2: Measuring systems”, 2010.
ISO 17025 “Implantación y gestión de la calidad en laboratorios”, 2017.
IEC 61326-1 “Electrical equipment for measurement, control, and laboratory use – EMC requirements – Part 1: General requirements”, 2020.