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In this paper, the attributes of the nonlinear load like power, power factor, harmonic and interharmonic frequency component, power spectrum and impulse responses are evaluated using correlation coefficients and Estimation of signal parameters via rotational invariance technique. This novel technique is established, also more useful in analyzing nonlinear load and designing the harmonic filters at...
This paper presents a noise reduction technique based on sub-band harmonic regeneration with Speech Presence Uncertainty (SPU). Harmonic Regeneration (HRNR) overcomes the harmonic distortion, which is significant at low SNR values by preserving harmonics. For further noise suppression at low SNRs, Sub-band modification of HRNR gain with weights calculated using speech presence uncertainty is proposed...
The harmonic distortion of Bus Voltage in the power system is increasing due to wide use of nonlinear loads. Thus, it is important to analyze and evaluate the various harmonic problems in the power system and introduce the appropriate solution techniques. Use of Voltage source converters as Active Filters or Hybrid Filters are too expensive to be used by low end consumers in the distribution system...
The Power system disturbances like harmonics creates lot of power quality problems need to be analyzed with suitable analysis techniques. A simple technique has been presented in this paper for impedance load modelling of electric domestic loads like Geyser water heater system and Air conditioning System (AC). In this paper, the application of Kalman filtering algorithm is used for harmonic estimation...
The Power system disturbances like harmonics creates lot of power quality problems need to be analyzed with better tools. A simple technique is presented in this paper for impedance load modelling of nonlinear electric domestic loads like Television set (TV). In this paper, the application of Kalman filtering algorithm is used for harmonic estimation and nonlinear load impedance modelling for validation...
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