Multiobjective Vector Modulation for Improved Control of NPC-Based Multi-Source Inverters in Hybrid Traction Systems
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This paper presents the modeling, detailed simulation, and test of an efficient medium-voltage adjustable-speed drive. The system consists of a three-level neutral-point-clamped inverter supplied by a 12-pulse rectifier. To achieve a motor-friendly supply, ...
This paper presents the design and preliminary control of an indoor coaxial helicopter �CoaX� based on a concept of hybrid active and passive control. The robot is capable of passive roll and pitch stabilization against small disturbances while a ...
In symmetric multilevel inverters, there is a tradeoff between the output quality and the reliability and efficiency of the converter. New asymmetric and hybrid solutions, using different voltages and devices in various parts of the inverter, promise signi ...
A novel 8-bit current mode interleaved successive approximation (SAR) analog-digital converter (ADC) has been proposed. The proposed converter architecture is very flexible. Using two control DC voltages and one reference current, the converter can be tune ...
Two three-phase motors can be controlled independently using a five-leg inverter as the supply, with one leg being common to both machines. Major shortcoming of this topology for general applications is the need to double the DC bus voltage in order to ach ...
Multi-phase machines are nowadays considered for various applications due to the benefits that they offer when compared to their three-phase counterparts. Multiphase voltage source inverters (VSI) are dominantly used in the power conversion stage for their ...
Multi-phase machines are nowadays considered for various applications due to the advantages that they offer when compared to their three-phase counterparts. Established three-phase drive control principles can be easily extended to multi-phase drives. Howe ...
Typical Low Dropout Voltage regulators (LDO), uses an error amplifier in a linear closed loop. The main advantage of such linear regulators is the low standby current due to the absence of switching. In addition, a fully integrated linear regulator with no ...
Making transportation systems more energy efficient is one of the key challenge in this century. This paper presents a solution for increasing the efficiency of an electrical scooter by adding a supercapacitive energy storage in parallel to the original ba ...
The first series tube of the gyrotrons for the 10-MW electron cyclotron resonance heating system of the stellarator W7-X was tested at Forschungszentrum Karlsruhe (FZK) and yielded a total output power of 0.98 MW, with an,efficiency of 31% (without a singl ...