Journal ArticleDOI
Development And Field Evaluation Of Revenue Metering Device For HVDC Systems
TLDR
In this paper, a dc revenue metering device was developed under sponsorship of the Electrical Power Research Institute (EPRI), which uses voltage and current measurements from existing voltage dividers, current transductors, and a current shunt.Abstract:
A prototype dc revenue metering device was developed under sponsorship of the Electrical Power Research Institute. The device was installed at the-Sylmar Converter Station of the Pacific HVDC Intertie, owned by the Los Angeles Department of Water and Power (host utility) in November 1981, and has been operating satisfactorily for over two years. It uses voltage and current measurements from existing voltage dividers, current transductors, and a current shunt. The energy-computation algorithms are implemented using signal processing principles in a single eight-bit microprocessor. The algorithms accommodate the different characteristics of the sensors, and tolerate the unavailability of some of the sensors, with some loss in accuracy. Comparisons of the dc revenue nieter energy measurements with the ac revenue meter measurements plus the station losses (estimated by the host utility) reveal a 0.1 percent difference in one pole and a one percent difference in the other pole, for a net difference of about one-half percent.read more
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Journal ArticleDOI
Enabling DC-Side Metering in HVDC Stations
TL;DR: In this article, a research project is currently working with these questions in a concerted European research effort, funded by the European Commission, which highlights important aspects of this work, including a metrology infrastructure is needed where high-current and high-voltage transducers must be possible to calibrate traceably, and where dc electricity meters can be calibrated and approved.
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ReportDOI
Electronic current transducer (ECT) for high-voltage dc lines. Final report
TL;DR: In this article, a bipolar electronic current transducer (ECT) for measuring the current in a high-voltage dc (HVDC) power line at line potential is reported.
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