Capacitance Minimization and Constraint of CHB Power Electronic Transformer Based on Switching Synchronization Hybrid Phase-Shift Modulation Method of High Frequency Link

Pan, Yuzhuo; Teng, Jiaxun; Yang, Changxi; Bu, Zemin; Wang, Baocheng; Li, Xin; Sun, Xiaofeng

doi:10.1109/tpel.2023.3239164

Cited by 10 publications

(2 citation statements)

References 23 publications

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“…The ( 2) is neither linear nor quadratic due to the existence of the indicator function, which only produces 0 or 1. The objective function is also non-convex, making it challenging to compute gradients [26], [27]. As a result, standard linear or quadratic programming Int J Appl Power Eng ISSN: 2252-8792 …”

Section: Dynamic Programmingmentioning

confidence: 99%

Cost optimization of electricity in energy storage system by dynamic programming

Mishra,

Routray,

Pattanayak

et al. 2024

IJAPE

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This paper presents a dynamic programming solution for the cost optimization of an electric storage system. The objective is to minimize the total cost of meeting electricity demand over a specified time interval, considering energy constraints and costs. The proposed algorithm efficiently determines the optimal energy discharge and charge strategies for the storage system, resulting in reduced overall costs. The effectiveness and efficiency of the algorithm are demonstrated through various test cases, highlighting its potential for real-world applications in energy storage systems and electric grid management. It also provides an overview of different types of electrical storage systems, review recent research on optimization techniques for energy storage, and examines recent studies on the optimization of electrical storage systems for specific applications, such as peak load shaving and grid stability. Through this comprehensive analysis, we hope to shed light on the current state of the field and identify areas for further research and improvement.

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Section: Dynamic Programmingmentioning

confidence: 99%

Cost optimization of electricity in energy storage system by dynamic programming

Mishra,

Routray,

Pattanayak

et al. 2024

IJAPE

View full text Add to dashboard Cite

show abstract

“…The novel topology of Figure 2 adopts the full bridge as the submodule, enabling the input-side converter to transmit both power frequency and high-frequency power by multiplexing the H-bridge arm. In comparison to the traditional three-stage PET [22][23][24][25][26][27][28][29][30], this novel topology retains the DC bus port while eliminating the H-bridge on the input side of the dual active bridge (DAB) converter. Compared with the ISOP structure, the number of power devices and HFTs is reduced, effectively lowering the hardware cost and overall machine volume, while simultaneously improving the power density and compactness of the PET.…”

Section: Introductionmentioning

confidence: 99%

A H-Bridge-Multiplexing-Based Novel Power Electronic Transformer

Hou,

Li,

et al. 2023

Electronics

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Cascaded H-bridge power electronic transformers (CHB-PET) play a pivotal role in distribution grids and their efficient operation. The input series and output parallel (ISOP) configurations result in a huge number of power switching devices, high-frequency transformers (HFT), and capacitors in high-voltage, high-capacity CHB-PET, leading to the need for high hardware costs and huge-sized CHB-PET, which further poses a significant challenge to the engineering feasibility and marketability of the CHB-PET. To address these issues, a CHB-PET topology is proposed in this paper. The novel topology exploits the concept of multi-frequency modulation to achieve power decoupling and power unit multiplexing through reasonable LC resonant frequency selection, which optimizes the ISOP structure and ultimately reduces the hardware cost and size of the CHB-PET. In this study, the effectiveness of reducing the number of power switching devices and HFT is firstly analyzed, and after describing its working principle, the control strategy of each power conversion link of PET is discussed before the correctness and effectiveness of the CHB-PET topology and control strategy proposed in this paper are verified via simulation.

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The application and challenge of energy router in energy internet

Huang,

Han,

Tian

et al. 2024

Energy Internet

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The energy internet has emerged as a promising area of research in power systems with distributed generation. Similar to an internet router to connect and switch networks, the energy router within the energy internet plays a crucial role to integrate and distribute the energy flow. This paper provides an overview of the application and challenges associated with energy routers in the energy internet. Firstly, the ability of energy routers to bring together multiple energy sources and information is highlighted. Secondly, the discrepancies in power structure when energy routers are utilised in different voltage‐level power grids are discussed. Besides, the roles, structures, and design requirements of energy routers and how they interconnect with the power system, as well as some practical examples of energy router are delved. Finally, the main challenges faced by energy routers are summarised.

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Capacitance Minimization and Constraint of CHB Power Electronic Transformer Based on Switching Synchronization Hybrid Phase-Shift Modulation Method of High Frequency Link

Cited by 10 publications

References 23 publications

Cost optimization of electricity in energy storage system by dynamic programming

Cost optimization of electricity in energy storage system by dynamic programming

A H-Bridge-Multiplexing-Based Novel Power Electronic Transformer

The application and challenge of energy router in energy internet

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