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Comparison of High Voltage Thermal Converter Scaling to a Binary Inductive Voltage Divider

Published

Author(s)

Joseph R. Kinard Jr., Thomas E. Lipe Jr., Clifton B. Childers, S. Avramov

Abstract

High-voltage thermal converters (HVTCs) are used as standards of ac-dc difference and for the measurement and calibration of ac voltage up to 1000 V and 100 kHz. Their multiplying resistors can be compensated to yield small ac-dc differences by using adjustable internal shields; however, the ac-dc differences of HVTCs may vary as functions of warm-up time, applied frequency, and applied voltage. Voltage coefficients between 100 V and 1000 V can be quite significant compared to calibration uncertainties, and can be major sources of error in the buildup process used to characterize the HVTCs. Formal and informal international intercomparisons of HVTCs have revealed variations among the participating laboratories. The present work was undertaken to compare the scaling accuracy of HVTCs to the completely independent principle of a binary inductive voltage divider.
Proceedings Title
Proc., Conference on Precision Electromagnetic Measurements (CPEM)
Conference Dates
July 6-10, 1998
Conference Location
Washington, DC

Keywords

ac-dc difference, BIVD, high voltage, inductive voltage divider, thermal converter, thermal voltage converter, TVC

Citation

Kinard Jr., J. , Lipe Jr., T. , Childers, C. and Avramov, S. (1998), Comparison of High Voltage Thermal Converter Scaling to a Binary Inductive Voltage Divider, Proc., Conference on Precision Electromagnetic Measurements (CPEM), Washington, DC, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=13612 (Accessed May 24, 2024)

Issues

If you have any questions about this publication or are having problems accessing it, please contact reflib@nist.gov.

Created June 30, 1998, Updated October 12, 2021