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Processes
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Advances in Energy-Saving Technology and Monitoring
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Advances in Energy-Saving Technology and Monitoring

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Energy Systems".

Deadline for manuscript submissions: closed (20 December 2022) | Viewed by 5084

Special Issue Editors

Dr. Hsuang-Chang Chiang

E-Mail Website
Guest Editor
Electrical Engineering, National United University, Miao-Li 360, Taiwan
Interests: switching power supplies; grid-connected inverters; battery energy storage systems; renewable energy conversion; motor drives for industrial and EV applications
Prof. Dr. Ming-Tsung Tsai

E-Mail Website
Guest Editor
Electrical Engineering, Southern Taiwan University of Science and Technology, Tainan 71005, Taiwan
Interests: switching power supplies; grid-connected inverters; battery energy storage systems; renewable energy conversion; motor drives for industrial and EV applications

Special Issue Information

Dear Colleagues,

Climate change is an important issue that the whole world must jointly deal with. Saving energy is one of effective means to reduce carbon emissions. Among saving energy, electrification is the most important approach and has become a trend for energy usage. Residential, commercial, industrial, transportation and utility systems have countless applications of electronics devices and electrical equipment. Power electronics play an important role in these systems since these systems need to convert power among various types of energy source and load.

This Special Issue “Advances in Energy-Saving Technology and Monitoring” aims to curate works presenting novel advances in the development and application of power electronics technology in the reduction of power loss and energy consumption and increase conversion efficiency. Topics include, but are not limited to:

  • New power converter circuits (or systems) to improve the efficiency of applications;
  • Novel power management methods (control, optimization, or prediction) for increasing the overall operation efficiency of the system;
  • New power devices (including power semiconductors, magnetic elements, motors, sensors, and thermal devices) and control devices (MCUs, ICs) for power converter systems that can improve efficiency;
  • New analysis and development tools (hardware or software) for thew design and implementation of power converter systems to evaluate (or increase) efficiency.

Dr. Hsuang-Chang Chiang
Prof. Dr. Ming-Tsung Tsai
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Processes is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • power electronics
  • efficiency improvement
  • power management method
  • power converter devices
  • development tool
  • control devices

Published Papers (3 papers)

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Research

17 pages, 13826 KiB  
Article
An Efficiency Improvement Driver for Master Oscillator Power Amplifier Pulsed Laser Systems
by Fu-Zen Chen, Yu-Cheng Song and Fu-Shun Ho
Processes 2022, 10(6), 1197; https://0-doi-org.brum.beds.ac.uk/10.3390/pr10061197 - 16 Jun 2022
Cited by 1 | Viewed by 1876
Abstract
The master oscillator power amplifier (MOPA) pulsed laser, one of the popular topologies for high-power fiber laser systems, is widely applied in industrial machining laser systems. In MOPA, the low-power pulsed laser, stimulated from a seed laser diode, is amplified by the high- [...] Read more.
The master oscillator power amplifier (MOPA) pulsed laser, one of the popular topologies for high-power fiber laser systems, is widely applied in industrial machining laser systems. In MOPA, the low-power pulsed laser, stimulated from a seed laser diode, is amplified by the high- power optical energy from pump laser diodes via the gain fiber. Generally, the high-power pump laser diodes are driven by lossy linear current drivers. The switched mode current drivers boost the driver efficiency but suffer from pulse energy consistency due to the current switching ripple. In this paper, a laser driver system that varies the switching frequency of current source to synchronize with pulsed laser repetition rate is analyzed and implemented. Experimental results are demonstrated using a 20 W pulsed fiber laser system. Full article
(This article belongs to the Special Issue Advances in Energy-Saving Technology and Monitoring)
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14 pages, 2377 KiB  
Article
Establishment and Application of a Grey Quality Gain–Loss Function Model
by Bo Wang, Qikai Li, Chen Liu, Zihan Chen and Xiangtian Nie
Processes 2022, 10(3), 495; https://0-doi-org.brum.beds.ac.uk/10.3390/pr10030495 - 1 Mar 2022
Cited by 2 | Viewed by 1312
Abstract
Based on Grey System Theory and the inverted normal quality gain-loss function, the inverted normal grey quality gain-loss function model is put forward. According to the constant compensation and hyperbolic tangent compensation, the grey quality gain-loss function model with nominal-type characteristics, larger-the-better characteristics [...] Read more.
Based on Grey System Theory and the inverted normal quality gain-loss function, the inverted normal grey quality gain-loss function model is put forward. According to the constant compensation and hyperbolic tangent compensation, the grey quality gain-loss function model with nominal-type characteristics, larger-the-better characteristics and smaller-the-better characteristics is built. A multivariate grey quality gain-loss function model with multiple sub quality indexes and the concept of grey quality gain-loss cost are proposed. Case analysis is applied to the quality control of dam concrete construction, which verifies the applicability of the model and provides an important reference for research on the new theory of dam concrete construction quality control. Full article
(This article belongs to the Special Issue Advances in Energy-Saving Technology and Monitoring)
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14 pages, 1834 KiB  
Article
A Novel Pre-Dispatching Strategy of Power System under Extreme Weather
by Tianen Huang, Zhenjie Wu, Yuantao Wang, Jian Tang, Xiang Li, Yajun Mo, Chengda Li, Wenguo Wu, Shuangdie Xu, Tao Niu and Fan Li
Processes 2021, 9(12), 2112; https://0-doi-org.brum.beds.ac.uk/10.3390/pr9122112 - 24 Nov 2021
Cited by 2 | Viewed by 1287
Abstract
Pre-dispatch is an important way for distribution networks to cope with typhoon weather, enhance resilience and reduce economic losses. In order to accurately describe the faults and consequences of components’ failure in the distribution network, this paper establishes a pre-dispatch model to cope [...] Read more.
Pre-dispatch is an important way for distribution networks to cope with typhoon weather, enhance resilience and reduce economic losses. In order to accurately describe the faults and consequences of components’ failure in the distribution network, this paper establishes a pre-dispatch model to cope with typhoon weather based on line failures consequence analysis. First, Monte Carlo simulation is used to sample the typical fault scenarios of vulnerable lines. According to the location of switchgear, the distribution network is partitioned and a block breaker correlation matrix is established. Combined with the line fault status, a fault consequence model of distribution lines related to the pre-dispatching strategy is established. Then, the objective function is given to minimize the sum of the cost of the pre-dispatch operation and the power outage, and then establish a pre-dispatch model for the distribution network. In order to reduce the computational complexity, PH (Progressive Hedging) algorithm is used to solve the model. Finally, the IEEE-69 test system is used to analyze the effectiveness of the method. The results show that the proposed dispatching model can effectively avoid potential risks, reduce system economic losses and improve the resilience of power grids. Full article
(This article belongs to the Special Issue Advances in Energy-Saving Technology and Monitoring)
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