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Power Control of a Modular Three-Port Solid-State Transformer with Three-phase Unbalance Regulation Capabilities

Yuyang Li, Qiuye Sun, Dehao Qin, Ke Cheng, Zhibo Li
2020 IEEE Access  
INDEX TERMS Solid-state transformer, microgrid, power control, three-phase unbalance regulation.  ...  Three-phase unbalance issue can cause adverse impacts on the power quality of the solid-state transformer (SST) based AC/DC hybrid microgrid.  ...  INTRODUCTION Solid state transformer (SST) is a novel prototype of power distribution transformer based on power electronic converter technology.  ... 
doi:10.1109/access.2020.2987075 fatcat:zmg2pihk4nheppbryja7lp2vei

Solid state transformer technologies and applications: A bibliographical survey

M. Ebrahim Adabi, Juan A. Martinez-Velasco
2018 AIMS Energy  
This paper presents a bibliographical survey of the work carried out to date on the solid state transformer (SST).  ...  A control architecture with two communication networks aimed at improving the communication modularity among power modules of a SST was presented in [180] .  ...  Shojaei A, Joos G (2013) A modular solid state transformer with a single-phase mediumfrequency transformer. IEEE Electrical Power & Energy Conference (EPEC). IEEE, 1-5. 108.  ... 
doi:10.3934/energy.2018.2.291 fatcat:kzqgfqtxbjgolfr6std2mvkhmm

Comparison of voltage control methods of CHB converters for power routing in smart transformer

Vivek Raveendran, Giampaolo Buticchi, Alessandro Mercante, Marco Liserre
2017 2017 IEEE Energy Conversion Congress and Exposition (ECCE)  
Modular ST with advanced control algorithms could increase the reliability compared to the nonmodular solutions.  ...  The paper focuses on validating the operating power unbalance limits of each cell of the modular system for unbalanced power transfer while maintaining the voltage balance in the medium voltage dc-link  ...  Solid-state transformer (SST) is a promising solution for flexible grid connectivity and power flow control with power electronic converters.  ... 
doi:10.1109/ecce.2017.8095991 fatcat:pqaoeexa3zgwhdl6jm4mjps4ey

Individual DC Voltage Balance Control for Cascaded H-bridge Electronic Power Transformer with Separated DC-link Topology

Jie Tian, Dewang Hu, Chunxiao Zhou, Yun Yang, Weihan Wu, Chengxiong Mao, Dan Wang
2019 IEEE Access  
INDEX TERMS Electronic power transformer, DC voltage balance, component parameter mismatch, power unbalance. 38558 2169-3536  ...  For the electronic power transformer, the dc voltage balance is an important issue. Unbalanced dc voltages will degrade the performance of the device and may trigger the dc voltage protection.  ...  INTRODUCTION Electronic power transformer (EPT), also called solid-state transformer (SST) [1] , or power electronic transformer (PET) [2] , has been considered as a key component for the future power  ... 
doi:10.1109/access.2019.2905006 fatcat:6aexgvzha5e6he7f2ke4bdh3pa

Operation and control of MMCs using cells with power transfer capability

Fernando Briz, Mario Lopez, Alberto Zapico, Alberto Rodriguez, David Diaz-Reigosa
2015 2015 IEEE Applied Power Electronics Conference and Exposition (APEC)  
This would result in multiport power converters, potential applications of this topology including solid state transformers (SST). 1  ...  Cells with power transfer capability can also be used connect the medium/high voltage DC and AC ports intrinsic to the MMC, with low voltage DC/AC ports at the cell level.  ...  medium/high voltage DC and AC ports of the MMC with low voltage DC and AC ports; and solid state transformers.  ... 
doi:10.1109/apec.2015.7104468 fatcat:iz6mcj66iba5tfcwhflgivmoki

Solid State Transformers Topologies, Controllers, and Applications: State-of-the-Art Literature Review

Ahmed Abu-Siada, Jad Budiri, Ahmed Abdou
2018 Electronics  
This paper is aimed at introducing a state-of-the-art review for SST proposed topologies, controllers, and applications.  ...  The solid state transformer (SST) is expected to play an essential role in future smart grid topologies.  ...  High Voltage Solid State Transformers SSTs with higher power rating can be achieved using three single-phase SSTs instead of the three phase matrix converters [30] .  ... 
doi:10.3390/electronics7110298 fatcat:t6ydrbmkk5ax3a3sk4gy5mp5ty

IPEMC - ECCE Asia 2020 Author Index

2020 2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC2020-ECCE Asia)  
Power Electronic Transformer 2068 Liang Wang Active Support Control Strategy of VSG-based PMSG with DC-Convergence Under Master-slave Control 1229 A three-port power electronic interface to harvest  ...  State Transformers 517 Qiwei Huang Multi-Dimension Harmonic Current Feedforward Compensation Control of AC-DC PFC Converter 1560 Qiyuan Wang Vibration Mechanism Analysis for Dual Three-Phase  ... 
doi:10.1109/ipemc-ecceasia48364.2020.9368053 fatcat:nkonperim5h47b6dl5iokvmg5y

Modular Multilevel Converters for Large-Scale Grid-Connected Photovoltaic Systems: A Review

Saud Alotaibi, Ahmed Darwish
2021 Energies  
Then, the different control strategies of PV MMIs will be presented and compared to give a holistic overview of the submodules balancing techniques, ranges, and capabilities under balanced and unbalanced  ...  The review aims to present a comprehensive study of the various recent submodule circuits associated with MMI topologies.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/en14196213 doaj:bf6873a1a38147889c20b956833ce964 fatcat:agjslfogv5eb5bkourqld6rzxe

Experimental validation of the solid state substation with embedded energy storage concept

Christian Klumpner, Mohamed Rashed, Dipankar De, Chintan Patel, Pongorn Kulsangcharoen, Greg Asher
2016 2016 IEEE Energy Conversion Congress and Exposition (ECCE)  
This paper proposes the concept of integrating the energy storage within a Medium Voltage to Low Voltage solid state substation in order to provide new features compatible with the requirements from future  ...  efficiency, ridethrough and power peak shaving operation.  ...  DC/DC converters connect in a three-port fashion.  ... 
doi:10.1109/ecce.2016.7855100 fatcat:vgwqpvnk2jcjrlfoafv3yrsul4

A Review on Power Electronics Technologies for Power Quality Improvement

Joao L. Afonso, Mohamed Tanta, José Gabriel Oliveira Pinto, Luis F. C. Monteiro, Luis Machado, Tiago J. C. Sousa, Vitor Monteiro
2021 Energies  
production from renewables, the contextualization with solid-state transformers, electric mobility and electrical railway systems, a review of power electronics solutions to compensate the main power  ...  More specifically, the paper presents a review and classification of the main power quality problems and the respective context with the standards, a review of power quality problems related to the power  ...  For this reason, the SST is also named in the literature as a solid-state power electronics transformer [65] .  ... 
doi:10.3390/en14248585 fatcat:xg6zq7sma5cdvbbs3nugpwgumm

State of the Art of Solid-State Transformers: Advanced Topologies, Implementation Issues, Recent Progress and Improvements

M. A. Hannan, Pin Jern Ker, M. S. Hossain Lipu, Zhen Hang Choi, M. Safwan A. Rahman, Kashem M. Muttaqi, Frede Blaabjerg
2020 IEEE Access  
Solid-state transformer (SST) is an emerging technology integrating with a transformer power electronics converters and control circuitry.  ...  INDEX TERMS Converter control, power distribution, solid-state transformer, transformer topologies, power converter.  ...  To address the above problem, a multi-port solid-state transformer (MPSST) can be employed.  ... 
doi:10.1109/access.2020.2967345 fatcat:kazl5rr6mzdgffqa3urpytpnom

Quasi Two-Level Operation of Modular Multilevel Converter for Use in a High-Power DC Transformer With DC Fault Isolation Capability

I. A. Gowaid, G. P. Adam, Ahmed M. Massoud, Shehab Ahmed, Derrick Holliday, B. W. Williams
2015 IEEE transactions on power electronics  
A quasi two-level operating mode of the modular multilevel converter is proposed, where the converter generates a square wave with controllable dv/dt by employing the cell voltages to create transient  ...  Analysis and simulations confirm these capabilities in a system-oriented approach. Index Terms-Modular multilevel converter, dc transformer, dual active bridge, dc fault, and dc/dc power conversion.  ...  This is due to their limited capability of controlling voltage magnitudes, especially three phase designs.  ... 
doi:10.1109/tpel.2014.2306453 fatcat:cd3akpwo2bfoxceyctjwnpblra

Fully Isolated Quad-Port Electric Energy Routing Converter with Medium- and High-Voltage Grid Connection Capability

Guanglin Sha, Qing Duan, Wanxing Sheng, Yao Zhang, Chunyan Ma, Caihong Zhao, Yan Zhao, Zhe Liu, Jiaxun Teng, Yuanxin Zhou
2022 Journal of Engineering  
Aiming at the demand for medium- and high-voltage port access capability in energy router, this study proposes a quad-port DC/DC converter topology scheme based on modular multilevel converter (QP-M2DC  ...  Compared with the traditional multiterminal energy routing converter, it has the advantages of high modularity, strong flexibility, and high power density.  ...  [6] proposed a solid-state transformer topology based on quad-active bridge (QAB), including the power transmission analysis, modelling, and control strategy of QAB and presented a new equivalent model  ... 
doi:10.1155/2022/6695020 fatcat:4l6wzzt5tnavpdxcpvabh2ow54

A Modular Multilevel Converter with Power Mismatch Control for Grid-Connected Photovoltaic Systems

2017 Energies  
The N-port converter allows for a direct medium-voltage (e.g., 13.8 kV) interconnection without the need of a bulky line frequency transformer. Modularity provides serviceability with zero downtime.  ...  The state-of-the art utility scale PV power converters continue to address size and cost challenges through modularity and innovative.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/en10050698 fatcat:6cnex3fktzgwleolfqqgtww3fe

Beyond the MMC: Extended Modular Multilevel Converter Topologies and Applications

Pingyang Sun, Yumeng Tian, Josep Pou, Georgios Konstantinou
2022 IEEE Open Journal of Power Electronics  
Extended MMCs integrate the modular nature of cascaded SMs of the MMC but with different topology structure leading to substantially different operating principles.  ...  The unique advantages of modular multilevel converters (MMCs) have led to wide adoption of the converter topology in high voltage dc (HVDC) transmission systems, with great potential for use in medium  ...  In the field of SSTs, modular topologies possess multiport power transfer capability compared to direct FTF structures with a large high frequency transformer [106] , [107] .  ... 
doi:10.1109/ojpel.2022.3175714 fatcat:di5zav3dkbgq7b64dt2iah4suq
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