Title :
A calibration method for power metering system with electronic instrument transformers
Author :
Peng Wang ; Dandan Tan
Author_Institution :
Dept. of Electr. Eng., Tsinghua Univ., Beijing, China
Abstract :
High-voltage power metering systems based on electronic instrument transformers (EITs) have some advantages compared to the conventional ones. This paper describes an unique calibration method and device for the power metering system. High accuracy with the calibration method can be achieved. The estimated relative uncertainty of the device is about 200×10-6 in magnitude and less than 110 μrad in phase.
Keywords :
calibration; power meters; transformers; EIT; calibration method; electronic instrument transformers; power metering system; relative uncertainty estimation; Calibration; Delay; Field programmable gate arrays; IEC standards; Instrument transformers; Uncertainty; Voltage measurement; Calibration; current transformer; energy measurement; instrument transformer; measurement uncertainty; merging; phase measurement; power system; signal sampling; voltage measurement;
Conference_Titel :
Innovative Smart Grid Technologies (ISGT Europe), 2012 3rd IEEE PES International Conference and Exhibition on
Conference_Location :
Berlin
Print_ISBN :
978-1-4673-2595-0
Electronic_ISBN :
2165-4816
DOI :
10.1109/ISGTEurope.2012.6465776