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This paper considers spectral mathematical model of the AC-AC converter scheme realized by switching functions method. Simulation results in steady state operation mode are presented.
This paper presents a quasi-Z-inverter scheme for four-wire power supply systems. The fourth wire is realized by capacitor divider, without use of additional active elements. Operability of this system is confirmed by simulation.
The growth of power consumption of autonomous objects requires creation of new powerful and energy-efficient converters. This paper describes a new version of the autonomous power generation system alternating current and constant frequency with better energy-efficiency based on three-level converters. The results of computer simulation in the software package POWERSIM 9.0 are presented in the work...
This paper considers scheme of the AC — AC converter and briefly describes its control system. In this paper also presents the results of mathematical modeling of the system.
This paper proposes a novel inverter for four-wire systems. The number of used transistors is reduced in a Z-source inverter with neutral point as compared with known schemes of Z-source inverter for four-wire systems. It increases reliability and efficiency. The scheme operation is verified by simulation.
This paper considers scheme of the AC - AC converter and briefly describes its power management features. Simulation results are presented in order to prove the effectiveness of the proposed system.
Dual Z-Source inverter is considered. Simulation results of the aircraft variable-speed/ constant frequency power generation system with dual Z-source inverter are presented. The system is compared to that with the Pulse-Width Modulated (PWM) voltage source inverter.
The Dual Z-Source inverter scheme with improved quality of the produced voltages is considered. Simulation results of the converter as a part of the aircraft variable-speed/ constant frequency power generation system are presented. The considered scheme is compared to that consisting of a Pulse-Width Modulated (PWM) voltage source inverter and a dc-dc boost converter.
This paper presents dual Z-source inverter, which can improve quality of output voltage. The paper also presents the simulation results of dual Z-source inverter for aircraft power generation.
This paper proposes the circuit of the mining starting unit based on semiconductor electric power converter. The modeling results for operation of this circuit are presented.
In this paper the generation system of electric energy for the aircrafts is observed that bases on a principle of changing an equivalent magnet gap in the synchronous generator with constant magnets (PMSM) excited by changing consumed reactive current by a 3-phase voltage source inverter (VSI). Such system, which generates energy with two principal parameters - double range of frequency deviation...
The paper proposes some results of developing and examination of a power generation system of alternating current for autonomous unit. Experimental results of examination are presented in the paper.
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