Results 31 to 40 of about 34,190 (312)

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

Hybrid Modular Multilevel Converter Design and Control for Variable Speed Pumped Hydro Storage Plants

IEEE Access, 2021
Hybrid modular multilevel converter control and design for pumped hydro storage plants is presented, addressing application-specific shortcoming of conventional back-to-back half-bridge modular multilevel converter: high common-mode-voltage machine ...
Miodrag Basic, Milan Utvic, Drazen Dujic
doaj   +1 more source

A Dynamic Model and Modified One-Cycle Control of Three-Level Front-End Rectifier for Neutral Point Voltage Balance

IEEE Access, 2017
This paper presents a dynamic phasor-based model for three-level front-end VIENNA rectifiers. The proposed model comprehensively predicts the behavior of the ac- and dc-side variables of the rectifier on which the issue of neutral point (NP) voltage is ...
Tiefeng Gao, Sen Zhang, Songbo Zhang, Jianfeng Zhao   +3 more
doaj   +1 more source

Model Predictive Current Control for Fault-Tolerant Bidirectional Voltage Source Converter With Open Circuit Fault and Unbalanced Grid Voltage

IEEE Access, 2020
To improve the fault-tolerant operation capability of bidirectional voltage source converter (BVSC), an improved model predictive current control (IMPCC) for fault-tolerant BVSC, is proposed with balanced DC-link capacitor voltage under unbalanced grid ...
Shiyang Hu, Guorong Liu, Nan Jin, Leilei Guo   +3 more
doaj   +1 more source

A back to back multilevel converter for driving low inductance brushless AC machines [PDF]

, 2007
Traditionally, multilevel converters are utilised in medium voltage applications, allowing the DC-link voltage to exceed the switch maximum blocking voltage.
Bingham, Chris, Foster, M. P., Minshull, S., Stone, D. A.   +3 more
core   +1 more source

Improved voltage balancing scheme for the MLI based DSTATCOM with Sliding Mode Controller

Journal of Applied Science and Engineering
In this article is used to demonstrate of sliding mode controller (SMC) for a multilevel inverter based distributed static compensator (DSTATCOM)for compensation of current harmonics related power quality issues and dc side capacitor voltage balancing of
Kalagotla Chenchireddy, V Jegathesan
doaj   +1 more source

Hybrid and modular multilevel converter designs for isolated HVDC–DC converters [PDF]

, 2018
Efficient medium and high-voltage dc-dc conversion is critical for future dc grids. This paper proposes a hybrid multilevel dc-ac converter structure that is used as the kernel of dc-dc conversion systems.
Adam, G.P., Ahmed, Shehab, Gowaid, I.A., Massoud, Ahmed M., Williams, B.M.   +4 more
core   +1 more source

Coordinated Capacitor Voltage Balancing Method for Cascaded H-Bridge Inverter with Supercapacitor and DC-DC Stage

CES Transactions on Electrical Machines and Systems
Cascaded H-bridge inverter (CHBI) with supercapacitors (SCs) and dc-dc stage shows significant promise for medium to high voltage energy storage applications.
Ye Zhang, Zixin Li, Fanqiang Gao, Cong Zhao, Yaohua Li   +4 more
doaj   +1 more source

A Novel Control Strategy for DC-Link Voltage Balance and Reactive Power Equilibrium of a Single-Phase Cascaded H-Bridge Rectifier

Energies, 2018
The dc-link voltage balance and reactive power equilibrium of the cascaded H-bridge rectifier (CHBR) are the prerequisites for the safe and stable operation of the system.
Chengwei Luo, Derong Luo, Shoudao Huang, Gongping Wu, Hongzhang Zhu, Qianjun He   +5 more
doaj   +1 more source

Full Bridge MMC Converter Optimal Design to HVDC Operational Requirements [PDF]

, 2015
This project is funded by RTE, Paris, FrancePeer ...
Jovcic, Dragan, Lin, Weixing, Nguefeu, Samuel, Saad, Hani   +3 more
core   +1 more source