Title :
Traceability and characterization of a 1000 kV HVDC reference divider
Author :
Elg, A.-P. ; Bergman, Arik ; Hallstrom, Jari ; Kharezy, M. ; Nieminen, Tuomo
Author_Institution :
SP Tech. Res. Inst. of Sweden, Boras, Sweden
Abstract :
This paper presents the characterization of a resistive HVDC reference divider and methods to establish a traceability. The divider is designed for use as a laboratory reference for calibration of HVDC measuring systems up to 1000 kV. Targeting a measurement uncertainty of 20 ppm at full voltage has put a focus on the temperature coefficients of the resistors, elimination of humidity dependence and control of leakage currents in the high voltage arm.
Keywords :
HVDC power transmission; calibration; leakage currents; measurement uncertainty; resistors; voltage measurement; HVDC measuring systems; HVDC reference divider; calibration; laboratory reference; leakage current control; measurement uncertainty; resistors; temperature coefficients; traceability; voltage 1000 kV; Calibration; HVDC transmission; Measurement uncertainty; Resistance; Resistors; Uncertainty; Voltage measurement; HVDC transmission; High-voltage techniques; measurement techniques; measurement uncertainty; voltage measurement;
Conference_Titel :
Precision Electromagnetic Measurements (CPEM 2014), 2014 Conference on
Conference_Location :
Rio de Janeiro
Print_ISBN :
978-1-4799-5205-2
DOI :
10.1109/CPEM.2014.6898618