2021 11th International Conference on Power, Energy and Electrical Engineering (CPEEE)最新文献_第2页

Implementation of DC-DC PFM Boost Power Converter for Low-power Energy Harvesting Applications 用于低功耗能量收集应用的DC-DC PFM升压功率变换器的实现

2021 11th International Conference on Power, Energy and Electrical Engineering (CPEEE) Pub Date : 2021-02-26 DOI: 10.1109/CPEEE51686.2021.9383240

Min-Chin Lee, Cheng-Han Li, Xiao-Xuan Yang

{"title":"Implementation of DC-DC PFM Boost Power Converter for Low-power Energy Harvesting Applications","authors":"Min-Chin Lee, Cheng-Han Li, Xiao-Xuan Yang","doi":"10.1109/CPEEE51686.2021.9383240","DOIUrl":"https://doi.org/10.1109/CPEEE51686.2021.9383240","url":null,"abstract":"This paper implements a low-power PFM boost power converter that can be applied to low-voltage energy harvesting systems, such as in the IoT intelligent micro-sensing power module or energy harvesting interface circuit. The interface circuit can provide power management functions between the energy harvesting device and the electric load. The power converter uses the PFM feedback control mechanism to implement a boost converter which can stabilize the output voltage when the input voltage and load change. And when the input voltage of the PFM boost power converter circuit is less than the transition voltage of the Schmitt triggered inverter circuit, the PFM control circuit of the power converter will stop operating the feedback control regulation process, and the boost power converter will enter the standby mode. Therefore, the static power consumption of the boost power converter is minimized. The overall circuit is simulated and designed using TSMC 0.35um 2P4M CMOS process technology. The converter having 0.324x0.43015 mm2 chip size and power dissipation about 2.287mW. This chip can operate with input supply voltage from 2.0V to 2.5V, and its output voltage can stable at 3.0V and less than 20mV ripple voltage at maximum output current 10mA. The converter with a load regulation is less than 0.944mV/mA and the line voltage regulation is less than 34.6mV/V.","PeriodicalId":314015,"journal":{"name":"2021 11th International Conference on Power, Energy and Electrical Engineering (CPEEE)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126098246","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

ADPSS Based Short-circuit Current Calculation Method of MMC 基于ADPSS的MMC短路电流计算方法

2021 11th International Conference on Power, Energy and Electrical Engineering (CPEEE) Pub Date : 2021-02-26 DOI: 10.1109/CPEEE51686.2021.9383389

Xiao Yu, Shanshan Wang, Bing Zhao, Zhida Su, Hongfu Wang, Hongying Peng

{"title":"ADPSS Based Short-circuit Current Calculation Method of MMC","authors":"Xiao Yu, Shanshan Wang, Bing Zhao, Zhida Su, Hongfu Wang, Hongying Peng","doi":"10.1109/CPEEE51686.2021.9383389","DOIUrl":"https://doi.org/10.1109/CPEEE51686.2021.9383389","url":null,"abstract":"Modular multilevel converter (MMC) has broad application prospects in new energy transmission. When a MMC is connected to an active AC grid, it is necessary to calculate the three-phase symmetrical short-circuit current contribution of MMC to ensure the safety of power system. The existing method used in actual engineering projects consider MMC as a current source of which the amplitude is the current limiting amplitude of current limiter. It is safe but has too much margin to be accurate. This paper proposes a new method to calculate short-circuit current that can be used in actual engineering project. This paper analyses the characteristics of MMC short-circuit current first, and proposes the key factors affect short-circuit current contributed by MMC during an actual operating condition. On this basis, simulation trials on advanced digital power system simulator (ADPSS) are designed to get the characteristic curves of short-circuit current which can be used to calculate short-circuit current in actual operation of the engineering project. Finally, this paper uses Zhangbei MMC-HVDC project as an example to apply the new method and show the effectiveness and superiority of the method proposed by this paper.","PeriodicalId":314015,"journal":{"name":"2021 11th International Conference on Power, Energy and Electrical Engineering (CPEEE)","volume":"163 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122433697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A Deployment Method of Micro-Synchronization Monitoring Terminal for Distribution Network Fault Diagnosis with DG Access 一种用于DG接入配电网故障诊断的微同步监控终端部署方法

2021 11th International Conference on Power, Energy and Electrical Engineering (CPEEE) Pub Date : 2021-02-26 DOI: 10.1109/CPEEE51686.2021.9383399

Yang Wang, Wenbing Xi, Jian Chen, Ming Chen

引用次数: 2

Design and Implementation of Three-phase to single-phase AC Solid State Transformer 三相到单相交流固态变压器的设计与实现

2021 11th International Conference on Power, Energy and Electrical Engineering (CPEEE) Pub Date : 2021-02-26 DOI: 10.1109/CPEEE51686.2021.9383373

Jiaxin Ding

引用次数: 0

Influence and Suppression of Large Capacity Impact Load on Power Quality of Power System 大容量冲击负荷对电力系统电能质量的影响与抑制

2021 11th International Conference on Power, Energy and Electrical Engineering (CPEEE) Pub Date : 2021-02-26 DOI: 10.1109/CPEEE51686.2021.9383414

Zhang Ying, Ren Hongtao

{"title":"Influence and Suppression of Large Capacity Impact Load on Power Quality of Power System","authors":"Zhang Ying, Ren Hongtao","doi":"10.1109/CPEEE51686.2021.9383414","DOIUrl":"https://doi.org/10.1109/CPEEE51686.2021.9383414","url":null,"abstract":"With the rapid development of industry, large capacity impact load, such as high-power water pump with soft start, industrial arc furnace and so on, causes active and reactive power impact and a large number of harmonic injection in the production and operation process, which has a serious impact on the power quality of the distribution network. Based on PSAF software, a simulation model of an impact load connected to the distribution network is established, and the bus bar connected to the common point is affected. The paper analyzes and evaluates the harmonic, voltage imbalance and voltage fluctuation of the bus bar, and expounds the influence of large capacity fluctuating load such as electric arc furnace on the power quality of distribution network. The analysis results show that the large capacity impact load easily causes the power quality index of distribution network to exceed the limit. The SVG+FC compensation device is used to compensate, which will lead to the SVG capacity greatly reduced, and the cost and investment of the project are reduced to the greatest extent. Moreover, the fast operation speed of SVG can effectively solve the problems of harmonic filtering and reactive power compensation, which can meet the requirements of all aspects of real-time compensation. After compensation, the power quality of the common point is significantly improved, and the economy and operation flexibility of the compensation device are good.","PeriodicalId":314015,"journal":{"name":"2021 11th International Conference on Power, Energy and Electrical Engineering (CPEEE)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116106364","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Condition Monitoring of High Voltage Composite Insulators: Recent Trends and Findings 高压复合绝缘子的状态监测:最新趋势和发现

2021 11th International Conference on Power, Energy and Electrical Engineering (CPEEE) Pub Date : 2021-02-26 DOI: 10.1109/CPEEE51686.2021.9383415

Palash Mishra

{"title":"Condition Monitoring of High Voltage Composite Insulators: Recent Trends and Findings","authors":"Palash Mishra","doi":"10.1109/CPEEE51686.2021.9383415","DOIUrl":"https://doi.org/10.1109/CPEEE51686.2021.9383415","url":null,"abstract":"Composite insulators with polymeric housing are been increasingly used over porcelain and glass insulators in outdoor high voltage insulation structures due to some specific advantages such as light weight, high mechanical strength and better contamination resistance. Among several other used housing material silicone rubber (SIR) is highly preferred for electric power transmission networks operating at an extra-high voltage (EHV) and ultra-high voltage (UHV) levels because of its high hydrophobicity and hydrophobicity transfer capability. However, being organic in nature, polymeric housings degrade gradually with time and accessing their long-term service performance is a big issue. In general, twelve parameters are being identified by CIGRE WG D1-14 to access the health of polymeric insulating material and standardized test methods for accessing eight properties have already been specified. Therefore, this work comprehensively reports the state of the art with regard to the condition monitoring techniques/test methods being adopted for evaluating remaining four parameters viz. hydrophobicity, the resistance against corona discharge, flammability and UV weathering.","PeriodicalId":314015,"journal":{"name":"2021 11th International Conference on Power, Energy and Electrical Engineering (CPEEE)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114164311","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Impact of Chemical Cleaning on Furnace Exit Gas Temperature of Power Plant:Case Study Steam Power Plant Unit 1 化学清洗对电厂炉膛出口温度的影响——以蒸汽电厂1号机组为例

2021 11th International Conference on Power, Energy and Electrical Engineering (CPEEE) Pub Date : 2021-02-26 DOI: 10.1109/CPEEE51686.2021.9383340

Netha AM Silalahi, Baskoro Widanarko, Saravana Kumar Jaganathan

引用次数: 0

Key Technologies on Large Capacity Optical transmission Networks 大容量光传输网络关键技术研究

2021 11th International Conference on Power, Energy and Electrical Engineering (CPEEE) Pub Date : 2021-02-26 DOI: 10.1109/CPEEE51686.2021.9383329

J. Hou

引用次数: 0

Unified Discrete-time Modeling and Digital Control of Bidirectional Chopper Converter 双向斩波变换器的统一离散建模与数字控制

2021 11th International Conference on Power, Energy and Electrical Engineering (CPEEE) Pub Date : 2021-02-26 DOI: 10.1109/CPEEE51686.2021.9383412

Yaoqin Jia, Biao Jia, Yijie Hou, Junjie Xiao, W. Zhao, Po Huang, Anle Xia

{"title":"Unified Discrete-time Modeling and Digital Control of Bidirectional Chopper Converter","authors":"Yaoqin Jia, Biao Jia, Yijie Hou, Junjie Xiao, W. Zhao, Po Huang, Anle Xia","doi":"10.1109/CPEEE51686.2021.9383412","DOIUrl":"https://doi.org/10.1109/CPEEE51686.2021.9383412","url":null,"abstract":"Bidirectional DC/DC converter is widely used in battery charge/discharge systems. The traditional state space average analysis method is not accurate enough when digital control is adopted. The separate analysis of the circuit from charge and discharge modes and design two sets of controllers will evidently reduce reliability and increase complexity of the system. Based on the discrete time modelling method, this paper establishes a unified discrete time model for current reversible chopper circuit. Then based on bilinear transformation method, design digital PI controller that can be directly applied according to the frequency domain index. By utilizing a unified current controller, accurate, fast and stable constant current charging/discharging control and switch can be realized. Voltage controller is used to realize constant voltage charging control. Finally, the validity and accuracy of the unified discrete-time model, unified current control strategy and digital controller design method proposed in this paper are further verified by simulation and experiments.","PeriodicalId":314015,"journal":{"name":"2021 11th International Conference on Power, Energy and Electrical Engineering (CPEEE)","volume":"191 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121734668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

The Conceptional Design and Simulation of a Foldable Lunar Vehicle 折叠式月球飞行器的概念设计与仿真

2021 11th International Conference on Power, Energy and Electrical Engineering (CPEEE) Pub Date : 2021-02-26 DOI: 10.1109/CPEEE51686.2021.9383342

Rong Jin

引用次数: 2