Results 41 to 50 of about 4,803 (241)
An enhanced dq-based vector control system for modular multilevel converters feeding variable speed drives [PDF]
, 2016 Modular multilevel converters (M2C) are considered an attractive solution for high power drive applications. However, energy balancing within the converter is complex to achieve, particularly when the machine is operating at low rotational speeds.
Cardenas, Roberto +3 more
core +2 more sources
An integrated converter and machine control system for MMC-based high power drives [PDF]
, 2018 The Modular Multilevel Converter (MMC) is a promising topology for high power drive applications. However, large voltage fluctuations are produced in the floating capacitors when the machine is operating with high stator currents at low rotational speed.
Cardenas, Roberto +6 more
core +2 more sources
, 2015 This paper deals with the problem of trajectory tracking of a class of bilinear systems with time--varying measurable disturbance. A set of matrices {A,B_i} has been identified, via a linear matrix inequality, for which it is possible to ensure global ...
Bergna, G. +5 more
core +4 more sources
Improved natural balancing with modified phase shifted PWM for single-leg five-level flying-capacitor converters [PDF]
, 2012 Flying capacitor converters (FCCs), as most multilevel converter topologies, require a balancing mechanism of the capacitor voltages. FCCs have the valuable property of natural voltage balancing when a special modulation technique is used.
Melkebeek, Jan +3 more
core +1 more source
Autonomous Control Based on Capacitor Energy Storage of Converter for DC Distribution System
IEEE Access, 2022 The converter valve is the core equipment of the DC distribution systems. This paper proposes an autonomous control strategy for grid-connected and islanded operation of hybrid topology modular multilevel converter (MMC). The overall control structure is
Jie Wu, Chuanjiang Li
doaj +1 more source
New configurations of power converters for grid interconnection systems [PDF]
, 2016 The increased penetration of renewable energy sources and other distributed energy sources has been seen nowadays. In this scenario power converters play a crucial role by providing the interconnection of these energy sources.
Costabeber, Alessando +4 more
core +1 more source
Energy Reports, 2023 The inevitable consequence of the rapid transition to high-proportion renewable energy and high-proportion power electronics with the development of power systems is the loss of the traditional high-volume generation of synchronous generators, their ...
Feng Guo +5 more
doaj +1 more source
An optimal full frequency control strategy for the modular multilevel matrix converter based on predictive control [PDF]
, 2017 The modular multilevel matrix converter (M3C) is a promising topology for high-voltage high-power applications. Recent researches have proved its significant advantages for adjustable-speed motor drives compared with the back-to-back modular multilevel ...
Fan, Boran +4 more
core +1 more source
IEEE Access, 2019 Fractional frequency transmission is a promising technology for medium distance offshore wind power transmission. The key component in the fractional frequency transmission system (FFTS) is the modular multilevel matrix converter (M3C). It is regarded as
Jiajie Luo, Xiao-Ping Zhang, Ying Xue
doaj +1 more source
IET Power Electronics, 2022 Analysing the steady‐state operation characteristic of the modular multilevel converter (MMC) in time domain poses challenges due to the presence of harmonic components in the arm current and capacitor voltage.
Pu Liu +5 more
doaj +1 more source