Results 11 to 20 of about 3,706,735 (305)
Interfering DC Component, Suppression and Influence to Digital Signal Processing
The article concentrates on effects of a digitized audio signal DC component on a typical A/D converter and its influence on further signal processing. This article analyses reasons of the interfering DC component emergence in the A/D converter.
P. Stranak
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Analysis of Topology and DC Component for a New Type Photovoltaic Grid-connect Inverter
It describes the mechanism of DC component production of photovoltaic (PV) grid-connected inverter system, analyzes the theory of DC component inhibition for single-phase full-bridge topology, H5 topology and a new isolated topology in detail. Simulation
YIN Liang, SONG Pinggang, HU Liu, XU Kai
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A Protection Algorithm of Filtering Decaying DC Component
When input signal contains decaying DC component, full-wave Fourier algorithm based on periodic function will lead to larger error. To solve the problem, the paper proposed an improved algorithm based on full-wave Fourier algorithm.
QI Yan, HE Ren-wang, WU Xu
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The influence of frequency of AC component on space charge behaviours in polyethylene under combined AC and DC electric fields [PDF]
Combined ac and dc voltages may occur in high voltage power transmission system, which bring challenges to the dielectric materials. Generally speaking, space charge is well recognised under high voltage dc conditions but has received little attention ...
C. Zhou +3 more
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Modular Multilevel DC Converter : Impact of the Control on the Design and Efficiency [PDF]
The Modular Multilevel DC Converter is an attractive non-isolated topology to inter- connect High Voltage DC Links. This paper presents the interaction among control, component design and efficiency of this converter.
COLAS, Frédéric +6 more
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A new leakage protection method for mine power network
A new leakage protection method was proposed which was based on least-square matrix algorithm. In the method, zero sequence current signal of each brance is extracted on the basis of additional DC source system, and DC component of the zero sequence ...
ZHAO Jianwen +6 more
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Optimizing the roles of unit and non-unit protection methods within DC microgrids [PDF]
The characteristic behavior of physically compact, multiterminal dc networks under electrical fault conditions can produce demanding protection requirements.
Burt, Graeme +4 more
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Nowadays SF6-insulated circuit breakers are the most widely used breakers for extra high voltage grids. Operational experience has shown that they are incapable of making fast switching of power transmission lines equipped with shunt reactors due to zero-
S. E. Kasyanov +2 more
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Measurement of the DC current based on magnetic fluids with an orthogonal magnetic field
Measurement of DC current is critically important in a wide range of applications, such as in photovoltaic power generation and DC power transmission. In this paper, the DC current measuring method based on magnetic fluids with orthogonal magnetic fields
Jian-Ying Zhang +4 more
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Transformerless grid-connected inverters, due to their advantages of high efficiency, small volume and light weight, have been the subject of more research and interest in recent years.
Long Bo +4 more
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