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In this paper, a photovoltaic (PV) system with energy storage elements (ESEs) is built in Real Time Digital Power System Simulator (RTDS) which is the partial work of future hardware-in-the-loop study of high-penetration multiple PV systems. Cascaded-multilevel inverter is applied as the power electronics interface among the PV array, batteries and grid. The H-bridges are modeled in RTDS small time-step...
Objective to investigate the dependence of nitrogen oxide removal effect on a plasma reactor length, three groups of different length experiments were conducted using a concentric cylinder double dielectric-barrier discharge reactor. Experimental results show that changing the length does not obviously affect the electrical power consumption with a given level of nitrogen oxide removal efficiency...
This paper proposes a novel wireless power supply solution, and designs a power management system-on-chip (SOC) for active capsule endoscope. The SOC consists of a high-efficiency rectifier, two excellent performances low-dropout regulator (LDO) and a rapid battery charger management unit. The self-resonant coil inside the human body is used to receive energy, and the energy is rectified and regulated...
This paper presented an optimized energy storage system (ESS) design for fuel cell (FC) vehicle system to interface battery unit (BU) and ultracapacitor (UC). A one-side asymmetrical phase shift and duty cycle control was developed for a current-fed three-port bidirectional DC/DC converter to achieve a wide range soft switching operation under varied input voltages. The proposed phase shift and duty...
To accomplish a higher departure density and velocity, the traction supply is required to generate higher power, higher power factor, and better stability with higher power conservation ratio, which makes a novel traction system with PWM rectifier the research focus in such area. Analysis of the differences between our novel supply system and a conventional one consisting of uncontrolled diode rectifiers...
With the increase of train density and velocity of the urban rail transportation system, the main stream of the development of the traction power supply system is aiming at higher power, better power factor, better stability and the conservation of energy, making PWM rectifier a study focus in such field. Considering the traction voltage of 1500 V, this paper presents research on the characteristics...
This paper presents the design of a novel traction power supply system for urban rail transportation based on multiple-paralleled H-bridge modules. A quasi-sinusoidal voltage output is generated by the novel system with phase-shift control mechanism and the voltage combination of the zig-zag connected transformers on AC line side. As a result, the harmonic components on line side can be greatly eliminated...
It is necessary to do burn-in test for many power electric products. Compared to conventional resistor method whose consumption is generally huge, equipments with power recycling function in burn-in test are recognized as more thrifty-not only reduce energy loss but also save manufacturing cost. This paper presents a digital controlled converter for AC power electronics burn-in test with energy feedback,...
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