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This paper proposes optimal switching period phase-shifted method for slave inverter to reduce grid current ripples in synchronized two parallel three-phase grid-connected voltage-source inverters (VSI). In parallel operation, a 180 degree phase shifted method generally takes of advantage of reducing grid current ripples in same DC-link voltage for each grid-connected VSI. However, in case of unequal...
This paper is proposed to convert the Solar PV DC voltage into AC voltage by using 3 phase inverter and getting sinusoidal AC output voltage. To convert solar PV which is in DC needs to be converted into AC by using the devices like 3 phase inverter and boost converter. The solar PV is a variable DC that is to be converted into pure DC for which will convert variable DC to pure DC. The MPPT is designed...
In this paper, modulation processes have been analyzed in six-phase asymmetrical motor drive on the base of four inverters with discontinuous synchronous modulation. It has been shown, that flexible PWM strategy based on control of switching frequencies of inverters as function of dc voltages allows to improve system performance and to insure voltage waveform symmetries during adjustment range. Simulations...
Multi-inverter and multiphase power electronic installations have additional degrees of freedom for construction of system topology, and for the choice of modulation schemes and algorithms for control of inverters in these systems. It has been shown, that in combined six-phase drives on the basis of two standard inverters and two neutral-point-clamped converters symbiosis of specialized control schemes...
The use of fine-grain Dynamic Voltage and Frequency Scaling (DVFS) has increased the number of distinct clock domains on a given Network-on-Chip (NoC). This necessitates robust synchronizers to prevent clock domain communication failures, even as FinFET devices have begun to replace planar devices. This paper presents simulation results and comparisons between dynamic (requiring reset) and non-dynamic...
This paper considers a permanent magnet assisted synchronous reluctance (PMSynRel) machine for an integrated charger application for use in a plug-in hybrid electric vehicle (PHEV). The integrated charger functionality means that the machine is also used when the battery is charged from the electrical grid. A finite element model (FEM) is presented from which a transient model of the complete system...
The implementation of complex functionality in low-power nano-CMOS technologies leads to enhance susceptibility to parametric disturbances (environmental, and operation-dependent). The purpose of this paper is to present recent improvements on a methodology to exploit power-supply voltage and temperature variations in order to produce fault-tolerant structural solutions. First, the proposed methodology...
Class D amplifiers are becoming the most feasible solution for embedded audio application. However, distortions due to the non-linear nature of switching stage are the main drawback for this amplifier topology. This paper discusses the design and implementation of high fidelity audio class D using sliding mode control scheme. This design method proves to be a cost effective solution for industrial...
This paper considers an alternative strategy to speed up the circuit simulation. This strategy considers characteristics of simulator users' behaviors and involves two techniques, the incremental simulation and simulation-on-demand (SOD). These techniques are implemented in an "Interactive Simulation Environment" to dramatically accelerate the simulation speed in most practical cases. Also,...
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