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Power and Energy Engineering Conference (PEEC 2010 E-BOOK)

Wuhan,China,9.11-9.13，2010

ISBN: 978-1-935068-17-4 Scientific Research Publishing, USA

E-Book 846pp Pub. Date: October 2010

Category: Engineering

Price: $80

Title: Power Frequency Voltage Ratio Standard Self-calibration Based On Semi-insulating Voltage Series Summation
Source: Power and Energy Engineering Conference (PEEC 2010 E-BOOK) (pp 703-707)
Author(s): Xiaodong Yin, State Grid Electric Power Research institute, Wuhan 430074, China
Feng Zhou, State Grid Electric Power Research institute, Wuhan 430074, China
Min Lei, State Grid Electric Power Research institute, Wuhan 430074, China
Shuhan Zhang, State Grid Electric Power Research institute, Wuhan 430074, China
Zongquan Hu, State Grid Electric Power Research institute, Wuhan 430074, China
Abstract: In order to study and improve the level of the 110kV frequency voltage ratio standard self-calibration system to meet the requirement of both the rapid development of power grid and voltage transformer test/calibration below 0.005 level, a traceability method based on semi-insulating voltage series summation is proposed. By analyzing the error of the mathematical models based on between the semi-insulating and fully insulating voltage series summation, the analysis indicates that the self-calibration system based on semi-insulating voltage series summation has both higher degree of accuracy and opening with great flexibility. The tests show that new self-calibration system achieves the desired specification.
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