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This paper presents a novel model of the electric arc furnace (EAF) based on energy conservation theory. Starting from the arc energy balancing equation for the electric arc, the proposed model is able to reflect the steady-state operating characteristic of arc furnace accurately. Then the dynamic arc furnace model can be obtained by modulating the definitive model with white noises. The model is...
Channel characterization measurements of power line are often carried out when the power system is operation actively. So the coupling device is adopted to isolate the power frequency signal. Due to the impedance mismatch between the output of coupling device and power network, the energy of carrier signal will be attenuated, which causes much influence on the accuracy of measurement results. In this...
In this paper, measurement and research of noise characterizations in three-phase four-wire low voltage power network channels are carried out. The power networks have overhead conductor structures. Measurement frequency is from 1 kHz to 1 MHz. The studies include noise classification and load characterizations, noise distribution characterization along the power lines and noise distribution characterization...
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