Abstract:
The practical use of optical sensors to measure direct high voltages can be limited by their high sensitivity. A new optical high voltage measurement technique for applyi...Show MoreMetadata
Abstract:
The practical use of optical sensors to measure direct high voltages can be limited by their high sensitivity. A new optical high voltage measurement technique for applying to high voltage levels up to 400 kV in a wide bandwidth between DC to 30 MHz is developed. A prototype of the optical voltage transformer is assembled using Pockels crystals in a multisegmented arrangement, a super luminescent diode (SLD) light source and a special optical fiber link. A good performance of linearity and accuracy is obtained for DC, AC, lightning impulse and step voltage measurements, In addition, an excellent agreement is observed between the measured and predicted values.
Published in: IEEE Transactions on Power Delivery ( Volume: 15, Issue: 1, January 2000)
DOI: 10.1109/61.847221
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