Abstract
The performance of a high-voltage switching impulse (SI) measurement system is highly dependent on the characteristics of the used voltage divider. Self-built or commercial voltage dividers do not always fulfill the requirements set for reference-level devices. Software corrections to improve the non-ideal divider response are easy to implement. This article describes the traceability and performance of the SI measurement systems of VTT MIKES up to 400 kV. Traceability is based on a calculable impulse voltage calibrator, which is used for calibration of a reference digitizer and a 10-kV divider. The 10-kV divider is then used to calibrate the 400-kV modular divider. Responses of both dividers are corrected using two different software methods. Implementation of these software methods allows state-of-the-art impulse parameter uncertainties. The most significant uncertainty component of time to peak is related to its definition and evaluation according to IEC 60060-1:2010 and IEC 61083-2:2013.
| Original language | English |
|---|---|
| Article number | 1006008 |
| Pages (from-to) | 1-8 |
| Number of pages | 8 |
| Journal | IEEE Transactions on Instrumentation and Measurement |
| Volume | 70 |
| DOIs | |
| Publication status | Published - 4 Mar 2021 |
| MoE publication type | A1 Journal article-refereed |
Keywords
- Error correction
- High-voltage techniques
- Impulse testing
- Measurement techniques
- Measurement uncertainty