Abstract
| Language | English |
|---|---|
| Article number | 1405 |
| Number of pages | 12 |
| Journal | Energies |
| Volume | 12 |
| Issue number | 7 |
| DOIs | |
| State | Published - 2019 |
| Event | 2018 IEEE International Conference on High Voltage Engineering and Application - Athens, Greece Duration: 10 Sep 2018 → 13 Sep 2018 |
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Bibliographical note
(This article belongs to the Special Issue Selected Papers from 2018 IEEE International Conference on High Voltage Engineering (ICHVE 2018))Keywords
- Air capacitive sensors
- High-voltage measurements
- High-voltage monitoring
- Power system transients
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Accuracy and reliability of switching transients measurement with open-air capacitive sensors. / Barakou, F.; Steennis, Fred; Wouters, Peter (Corresponding author).
In: Energies, Vol. 12, No. 7, 1405, 2019.Research output: Contribution to journal › Article › Academic › peer-review
TY - JOUR
T1 - Accuracy and reliability of switching transients measurement with open-air capacitive sensors
AU - Barakou,F.
AU - Steennis,Fred
AU - Wouters,Peter
N1 - (This article belongs to the Special Issue Selected Papers from 2018 IEEE International Conference on High Voltage Engineering (ICHVE 2018))
PY - 2019
Y1 - 2019
N2 - Contactless capacitive (open-air) sensors are applied to monitor overvoltages near overhead line terminations at a substation or at the transition from underground cables to overhead lines. It is shown that these sensors, applied in a differentiating/integrating measuring concept, can result in excellent characteristics in terms of electromagnetic compatibility. The inherent cross-coupling from open-air sensors to other phases is dealt with. The paper describes a method to calibrate the sensor to line coupling matrix based on assumed 50 Hz symmetric phase voltages and in particular focuses on uncertainty analysis of assumptions made. Network simulation shows that predicted maximum overvoltages agree within typically 7% compared to reconstructed values from measurement, also with significant cross-coupling. Transient voltages from energization of an (extra-)high voltage connection can cause large and steep rising ground currents near the line terminations. Comparison with results obtained by a capacitive divider confirms the intrinsic capability in interference rejection by the differentiating/integrating measurement methodology. Full article
AB - Contactless capacitive (open-air) sensors are applied to monitor overvoltages near overhead line terminations at a substation or at the transition from underground cables to overhead lines. It is shown that these sensors, applied in a differentiating/integrating measuring concept, can result in excellent characteristics in terms of electromagnetic compatibility. The inherent cross-coupling from open-air sensors to other phases is dealt with. The paper describes a method to calibrate the sensor to line coupling matrix based on assumed 50 Hz symmetric phase voltages and in particular focuses on uncertainty analysis of assumptions made. Network simulation shows that predicted maximum overvoltages agree within typically 7% compared to reconstructed values from measurement, also with significant cross-coupling. Transient voltages from energization of an (extra-)high voltage connection can cause large and steep rising ground currents near the line terminations. Comparison with results obtained by a capacitive divider confirms the intrinsic capability in interference rejection by the differentiating/integrating measurement methodology. Full article
KW - Air capacitive sensors
KW - High-voltage measurements
KW - High-voltage monitoring
KW - Power system transients
UR - http://www.scopus.com/inward/record.url?scp=85065322080&partnerID=8YFLogxK
U2 - 10.3390/en12071405
DO - 10.3390/en12071405
M3 - Article
VL - 12
JO - Energies
T2 - Energies
JF - Energies
SN - 1996-1073
IS - 7
M1 - 1405
ER -