NDLI: Live Line Measuring the Impedance Parameters of Transmission Lines Based on Interference Sources

Content Provider	IEEE Xplore Digital Library
Author	Chengqian Xiao Zhijian Hu
Copyright Year	2009
Abstract	Based on GPS technology, a new Differential Equation Method (DEM) of live line measuring the parameters of transmission lines with mutual inductance is proposed. The new method uses only the inductance voltages or inductance currents between lines as the measurement sources. No extern voltage source is applied in measurements, so this method can also be called as an interference measurement method. The mathematical model of the new method is explained in detail. An example of live line measuring six 500kV transmission lines with mutual inductances in North-East China power grid is given. Comparison of results between the DEM and the Increment Equation Method (IEM) is also shown. The field measurement results prove that the new method can meet the need of live line measurement of transmission lines’ inductance parameters.
Starting Page	160
Ending Page	163
File Size	287263
Page Count	4
File Format	PDF
ISBN	9780769538198
DOI	10.1109/ICEET.2009.276
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Differential equation method Interference Inductance measurement Global Positioning System Impedance measurement Power transmission lines Transmission lines Zero sequence parameters Current measurement Voltage Differential equations Transmission line measurements Mathematical model Interference measurement method Live linemeasurement
Content Type	Text
Resource Type	Article

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