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This paper presents the development and experimental analysis of a special input stage converter for a Trolleybus type vehicle allowing its operation in AC (two wires, single-phase) or DC distribution networks. The architecture of proposed input stage converter is composed by five interleaved boost rectifiers operating in discontinuous conduction mode. Furthermore, due to the power lines characteristics,...
The effects of non linear loads to the electric power line distribution for three phase four wire systems are described in this paper. The various ranges and combination for modern set components of non linear loads which are sources of harmonics currents are monitored by experimental works. Further investigations on the three various loads such as resistive, inductive and capacitive loads into three...
Based on the condition for the minimum rms value of line currents, a method for improving the power factor in power systems under asymmetrical and nonsinusoidal conditions is presented. This paper offers straightforward and convenient formulations of active currents for the three-phase four-wire, three-phase three-wire, and single-phase systems. Owing to the transformation matrix introduced in this...
Harmonic pollution and low power factor in power systems caused by power converters have been a great concern. To overcome these problems several converters and control schemes have been proposed in recent years. This work is proposed to identify the power converters with low cost/small size/high efficiency for single phase and three phase systems. To study the control technique for such converters...
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