Fast optimum-predictive control and capacitor voltage balancing strategy for bipolar back-to-back NPC converters in high-voltage direct current transmission systems [PDF]
, 2011 Multilevel power converters have been introduced as the solution for high-power high-voltage switching applications where they have well-known advantages.
Chaves, Miguel +4 more
core +1 more source
Optimization of switching losses and capacitor voltage ripple using model predictive control of a cascaded H-bridge multi-level StatCom [PDF]
, 2013 This paper further develops a Model Predictive Control (MPC) scheme which is able to exploit the large number of redundant switching states available in a multi-level H-bridge StatCom (H-StatCom).
Betz, Robert E. +5 more
core +2 more sources
Active Voltage Balancing of Series Connected SiC MOSFET Submodules Using Pulsewidth Modulation
IEEE Open Journal of Power Electronics, 2021 Series connection of multiple transistors is an attractive solution to achieve higher voltage capability. However, the voltage imbalance among the series-connected devices is a critical issue caused by mismatches of device characteristics and gate ...
Inhwan Lee, Xiu Yao
doaj +1 more source
HVDC transmission systems: Bipolar back-to-back diode clamped multilevel converter with fastoptimum-predictive control and capacitor balancing strategy [PDF]
, 2011 Voltage source multilevel power converter structures are being considered for high power high voltage applications where they have well known advantages.
Chaves, Miguel +4 more
core +1 more source
Control of a Modular Multi-level Converter STATCOM for Low Voltage Ride-Through Condition [PDF]
, 2016 This paper presents a simulation study on the implementation of the Single Star Flying Capacitor Converter Modular Multi-level Cascaded Converter (MMCC-SSFCC) as a STATCOM operating under voltage sag condition.
Oghorada, OJK, Zhang, L
core +2 more sources
Capacitor voltage balancing control with reducing the average switching frequency in MMC
The Journal of Engineering, 2019 Modular multilevel converter (MMC) has a very good application prospect in the flexible high-voltage direct current (HVDC) transmission, but higher self-loss will affect the efficiency and restrict the development.
Shunliang Wang +4 more
doaj +1 more source
Research on the mechanism of neutral-point voltage fluctuation and capacitor voltage balancing control strategy of three-phase three-level T-type inverter [PDF]
, 2017 In order to solve the neutral-point voltage fluctuation problem of three-phase threelevel T-type inverters (TPTLTIs), the unbalance characteristics of capacitor voltages under different switching states and the mechanism of neutral-point voltage ...
Duan, Shuangming +5 more
core +2 more sources
Power balancing and dc fault ride through in DC grids with dc hubs and wind farms [PDF]
, 2015 Acknowledgment This project was funded by European Research Council under the Ideas program in FP7; grant no 259328, 2010.Peer ...
Jovcic, Dragan, Lin, Weixing
core +1 more source
A novel control strategy of resonant converter with modular rectifier based on SiC switching device
Energy Reports, 2022 The resonant converter with modular rectifier (RMR) is a promising topology for DC grid applications. This paper studies the control strategy of RMR based SiC switching device including the output voltage and submodule (SM) capacitor voltage balancing ...
Qian Chen +4 more
doaj +1 more source
Direct control strategy for a four-level three-phase flying-capacitor inverter [PDF]
, 2010 A direct predictive control strategy is proposed for a three-phase four-level flying-capacitor (FC) inverter in this paper. The balancing of the FC voltages, a challenge in applications with small capacitors and low switching frequencies, is done without
Defaÿ, François +2 more
core +1 more source