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Accurate values of transmission line impedance parameters can enhance the efficiency and reliability of power system operation. The parameter values can be calculated using synchronized phasor measurements of voltage and current at the line ends. The objective of this paper is to investigate how the accuracy and uncertainty of the calculated parameter values depends on the level of noise and distortion...
The present methods used to calibrate an active power or energy meter device under test (DUT) under nonsinusoidal conditions are based on a limited number of current and voltage waveforms and do not exercise the dynamic range of the DUT. After reviewing a method recently developed at the National Physical Laboratory (NPL) to exercise the dynamic range of a DUT under sinusoidal and nonsinusoidal conditions...
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