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Impact Of Grid Connected Inverter Filters On Network Impedance And Harmonics 并网逆变器滤波器对网络阻抗和谐波的影响
2020 International Conference on Electrical Engineering and Control Technologies (CEECT) Pub Date : 2020-12-01 DOI: 10.1109/CEECT50755.2020.9298572
Moeketsi Tsosane, P. Freere, A. Roberts
{"title":"Impact Of Grid Connected Inverter Filters On Network Impedance And Harmonics","authors":"Moeketsi Tsosane, P. Freere, A. Roberts","doi":"10.1109/CEECT50755.2020.9298572","DOIUrl":"https://doi.org/10.1109/CEECT50755.2020.9298572","url":null,"abstract":"Filters in photovoltaic inverters play a vital role of attenuating high frequency harmonics and improving the quality of the power transferred from the photovoltaic (PV) panels to the grid. Inverter filters form part of the inverter output impedance and can be connected to the grid even if the inverter does not produce any active power. This paper focuses on the impact of inverter filters on the low voltage (LV) network impedance and assess the change in existing harmonic current and voltages. The impact of inverter filters on the network series and parallel resonance impedance assuming high proliferation of PV energy is assessed, including the resulting change in flow of harmonic current and voltage distortions.","PeriodicalId":115174,"journal":{"name":"2020 International Conference on Electrical Engineering and Control Technologies (CEECT)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130557356","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
Optimal Design of Electromagnetic Induction High-efficiency Wireless Power Transmission System 电磁感应高效无线输电系统的优化设计
2020 International Conference on Electrical Engineering and Control Technologies (CEECT) Pub Date : 2020-12-01 DOI: 10.1109/CEECT50755.2020.9298692
Wang Ke, Liu Chengxi, Sun Hui-zhong
{"title":"Optimal Design of Electromagnetic Induction High-efficiency Wireless Power Transmission System","authors":"Wang Ke, Liu Chengxi, Sun Hui-zhong","doi":"10.1109/CEECT50755.2020.9298692","DOIUrl":"https://doi.org/10.1109/CEECT50755.2020.9298692","url":null,"abstract":"Electromagnetic induction wireless power transmission technology has become a research hotspot in the field of wireless charging. This paper introduces the basic structure of electromagnetic induction wireless power transmission technology, analyzes the series compensation resonance system, derives the influence of mutual inductance and coupling coefficient on output power and efficiency, gives the design scheme of mutual inductance and coupling coefficient, and completes the loose Design of coupling transformer. Then set up an experimental platform, and use open-loop phase-shift control for experimental verification. Experimental results show that the wireless charging system designed in this paper can achieve a maximum efficiency of 90.8% at a distance of 200mm, and has a high energy transmission efficiency.","PeriodicalId":115174,"journal":{"name":"2020 International Conference on Electrical Engineering and Control Technologies (CEECT)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131084194","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
Research On High-speed Optical Transmission Technology Based On Optical Frequency Comb 基于光频梳的高速光传输技术研究
2020 International Conference on Electrical Engineering and Control Technologies (CEECT) Pub Date : 2020-12-01 DOI: 10.1109/CEECT50755.2020.9298578
Ming Tang
{"title":"Research On High-speed Optical Transmission Technology Based On Optical Frequency Comb","authors":"Ming Tang","doi":"10.1109/CEECT50755.2020.9298578","DOIUrl":"https://doi.org/10.1109/CEECT50755.2020.9298578","url":null,"abstract":"Since the 21st century, with the continuous development of the information society and the popularization of mobile communication, the amount of Internet data is more and more huge. The interaction is becoming increasingly frequent, followed by a severe challenge to the communication network. In the context of demand for large-capacity, high-efficiency transmission systems, high-speed optical transmission system has got more and more attention. Superchannel is a promising technology to realize high-speed optical transmission with large capacity and high efficiency, which can be constructed by combining optical frequency comb with Wavelength Division Multiplexing (WDM), Orthogonal Frequency Division Multiplexing (OFDM), coherent optical detection. The optical frequency comb is composed of many frequency components with fixed frequency spacing, coherent and stable phase relations, and isometric spectral lines with ultra-low phase noise. It is an ideal multi-carrier light source, which can greatly improve the transmission capacity and make full use of the limited available bandwidth. In this paper, several optical comb generation methods are investigated and compared. Then high-speed optical transmission system based on optical frequency comb, and the application of optical frequency comb in high-speed optical label switching system are also studied.","PeriodicalId":115174,"journal":{"name":"2020 International Conference on Electrical Engineering and Control Technologies (CEECT)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133571953","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
Leg Structure Design for Special Hexapod Robot with Climbing Vertical Walls Ability 具有爬墙能力的特殊六足机器人腿结构设计
2020 International Conference on Electrical Engineering and Control Technologies (CEECT) Pub Date : 2020-12-01 DOI: 10.1109/CEECT50755.2020.9298621
Wei Cheng
{"title":"Leg Structure Design for Special Hexapod Robot with Climbing Vertical Walls Ability","authors":"Wei Cheng","doi":"10.1109/CEECT50755.2020.9298621","DOIUrl":"https://doi.org/10.1109/CEECT50755.2020.9298621","url":null,"abstract":"In order to solve the climbing problem of hexapod robot system, we mainly innovate its leg structure. First of all, shape of feet of the hexapod robot is designed to be a crescent. Compared with the traditional bouncing jump method, the designed hexapod robot can avoid obstacles and climb steps by turning the front foot onto the obstacle and then driving the rear foot. Secondly, the bottom of the foot is equipped with six symmetrically distributed suckers in the outer ring and randomly distributed spikes in the middle. The sucker helps the hexapod robot stabilize on the smooth wall and achieve vacuum adsorption by emptying the gas. Moreover, the retractable spikes are applied to the fixation of the hexapod robot on rough walls, and the internal electromagnet controls the rise and fall of the spikes plate. Simulation results show that our design is successful.","PeriodicalId":115174,"journal":{"name":"2020 International Conference on Electrical Engineering and Control Technologies (CEECT)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115088817","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
Refined charging strategy for electric buses based on data-driven 基于数据驱动的电动客车充电优化策略
2020 International Conference on Electrical Engineering and Control Technologies (CEECT) Pub Date : 2020-12-01 DOI: 10.1109/CEECT50755.2020.9298592
Haiwei Wang, Wei Wu, Yunfei Li, Chen Chen, Xiao Xu
{"title":"Refined charging strategy for electric buses based on data-driven","authors":"Haiwei Wang, Wei Wu, Yunfei Li, Chen Chen, Xiao Xu","doi":"10.1109/CEECT50755.2020.9298592","DOIUrl":"https://doi.org/10.1109/CEECT50755.2020.9298592","url":null,"abstract":"With the rapid development of electric vehicles, buses, which are an important part of public transportation, have gradually become electrification. Therefore, a refined charging strategy for electric buses based on data-driven is proposed in this paper. Firstly, the charging scene of the bus is discussed, and then the modeling for the power consumption, charging, and queuing behavior of the bus are performed. Secondly, a charging strategy model is constructed with the goal of maximizing charging economy, and the model is solved by reducing the dimensionality by converting the control variables. Finally, based on real data, a certain bus charging station is used to analyze, On the basis of analyzing the information of vehicles, piles, and electricity prices at the station, comparing the current charging behavior with the charging results of the charging strategy proposed in this article under multiple scenarios, it verifies the effectiveness and economy of the refined charging strategy. This approach puts forward a new idea for the charging method and strategy of electric buses in the future.","PeriodicalId":115174,"journal":{"name":"2020 International Conference on Electrical Engineering and Control Technologies (CEECT)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121950150","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
Optimal Scheduling Strategy of Urban Charging Station with PV and Storage Based on FWA 基于FWA的光伏储能城市充电站优化调度策略
2020 International Conference on Electrical Engineering and Control Technologies (CEECT) Pub Date : 2020-12-01 DOI: 10.1109/CEECT50755.2020.9298590
Weijin Zhuang, Hong Zhang, Ruisheng Wang, Zhongyao Chen
{"title":"Optimal Scheduling Strategy of Urban Charging Station with PV and Storage Based on FWA","authors":"Weijin Zhuang, Hong Zhang, Ruisheng Wang, Zhongyao Chen","doi":"10.1109/CEECT50755.2020.9298590","DOIUrl":"https://doi.org/10.1109/CEECT50755.2020.9298590","url":null,"abstract":"The tremendous growth of electric vehicles (EVs) brings challenges to the safe operation of distribution network. Aiming at the urban charging station (CS) with PV and storage, this paper proposes a charging scheduling strategy considering the information fusion of EVs, road network and CSs. Firstly, a charging scheduling framework is proposed, and the model of EVs-road network-CSs is established. Then, considering the convenience and economy of EV users, the improved fireworks algorithm (FWA) is introduced to solve the problem with the optimization objective of customer satisfaction and power purchase cost of CS. Finally, the example study is designed based on the road network and the information of CSs in Nanjing, and the effectiveness of the proposed strategy is verified.","PeriodicalId":115174,"journal":{"name":"2020 International Conference on Electrical Engineering and Control Technologies (CEECT)","volume":"96 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122546108","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
Abnormal state recognition method for power-heatgas integrated system based on unified power flow model 基于统一潮流模型的电-热-气集成系统异常状态识别方法
2020 International Conference on Electrical Engineering and Control Technologies (CEECT) Pub Date : 2020-12-01 DOI: 10.1109/CEECT50755.2020.9298586
Bingchen Jiang, Danlei Zhu
{"title":"Abnormal state recognition method for power-heatgas integrated system based on unified power flow model","authors":"Bingchen Jiang, Danlei Zhu","doi":"10.1109/CEECT50755.2020.9298586","DOIUrl":"https://doi.org/10.1109/CEECT50755.2020.9298586","url":null,"abstract":"Tight coupling between different energy systems makes state analysis of multi-energy integrated systems difficult. From the perspective of data-driven, this paper proposes an anomaly state identification method for power-heat-gas integrated system based on unified power flow model. First, establish a unified power flow model of the power-heat-gas integrated system. Then, using the random matrix theory in big data technology, the historical data and real-time data of the state quantity in the unified power flow model form a random matrix. Finally, the M-P law and the ring law in the random matrix theory are used to qualitatively analyze the system operation. The simulation results verify that the method does not need to identify the physical structure of the system, which provides a new idea for the abnormal state recognition of the power-heat-gas integrated system.","PeriodicalId":115174,"journal":{"name":"2020 International Conference on Electrical Engineering and Control Technologies (CEECT)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126726571","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 comprehensive understanding of conductive mechanism of RRAM: from electron conduction to ionic dynamics RRAM导电机理的全面认识:从电子传导到离子动力学
2020 International Conference on Electrical Engineering and Control Technologies (CEECT) Pub Date : 2020-12-01 DOI: 10.1109/CEECT50755.2020.9298665
Zhiding Liang
{"title":"A comprehensive understanding of conductive mechanism of RRAM: from electron conduction to ionic dynamics","authors":"Zhiding Liang","doi":"10.1109/CEECT50755.2020.9298665","DOIUrl":"https://doi.org/10.1109/CEECT50755.2020.9298665","url":null,"abstract":"Resistive random access memories (RRAMs) have been highlighted for being the potential candidate of the next generation nonvolatile memory devices in last decades, since Moore’s law is going to the end and the size of the traditional transistor almost reaches the physical limitation. Lots of previous studies on the conductive mechanism of RRAMs are intended to optimal the functionality of RRAMs. However, the classification of these mechanisms is very complex, which is not conducive to targeted function optimization. In this review, the electrons transition mode is described in detail, the classification of electrochemical metallization (ECM) is redefined, and the conductive mechanism of valence change memory (VCM) systems, which is often overlooked, is also discussed. At last, a prospective of RRAM relate to synapses then making wildly application is stated. In general, the review aims to understand conductive mechanisms of RRAMs systematically and provide a guidance for optimal the switching properties.","PeriodicalId":115174,"journal":{"name":"2020 International Conference on Electrical Engineering and Control Technologies (CEECT)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114224397","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
Design of a Universal Charger for a Light Electric Vehicle with Effect of an RCD Snubber on Peak Current Control 考虑RCD缓冲器对峰值电流控制的轻型电动汽车通用充电器设计
2020 International Conference on Electrical Engineering and Control Technologies (CEECT) Pub Date : 2020-12-01 DOI: 10.1109/CEECT50755.2020.9298611
Richard Beyer, P. Freere, T. V. van Niekerk, Ertugul Sönmez
{"title":"Design of a Universal Charger for a Light Electric Vehicle with Effect of an RCD Snubber on Peak Current Control","authors":"Richard Beyer, P. Freere, T. V. van Niekerk, Ertugul Sönmez","doi":"10.1109/CEECT50755.2020.9298611","DOIUrl":"https://doi.org/10.1109/CEECT50755.2020.9298611","url":null,"abstract":"The design process for a single phase, smart, universal charger for light electric vehicles, is presented. With a step up, power factor correction circuit, followed by a phase shifted, full bridge converter, with synchronous rectification on the secondary side. Due to the resistor-capacitor-diode snubber on the secondary side, the current peak at the start of power transfer, leads to false triggering during light load control with peak current mode control. The solution developed for light loads, is to change from peak current control to voltage control. This is achieved by limiting the maximum phase shift, instead of changing the reference value. For the power factor correction stage, measured and calculated efficiencies are compared as a function of the output power. The voltage and current waveforms are shown for the power factor correction circuit, and for the phase shifted bridge, the measured current waveform is compared with simulation.","PeriodicalId":115174,"journal":{"name":"2020 International Conference on Electrical Engineering and Control Technologies (CEECT)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124032200","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
Homogeneous Flow Optimization in Regional Multi-Heterogeneous Energy Networks 区域多非均质能源网络的均匀流优化
2020 International Conference on Electrical Engineering and Control Technologies (CEECT) Pub Date : 2020-12-01 DOI: 10.1109/CEECT50755.2020.9298672
Xingji Hu, Jun Ma, Jiakai Shen, Jiaxin Sui, Zhennan Wang, Weidong Li
{"title":"Homogeneous Flow Optimization in Regional Multi-Heterogeneous Energy Networks","authors":"Xingji Hu, Jun Ma, Jiakai Shen, Jiaxin Sui, Zhennan Wang, Weidong Li","doi":"10.1109/CEECT50755.2020.9298672","DOIUrl":"https://doi.org/10.1109/CEECT50755.2020.9298672","url":null,"abstract":"Current research on integrated energy system (IES) optimization lacks a suitable unified calculation model. The network flow model has the ability to uniformly represent the energy flow distribution of the electric power system, natural gas system and heat power system. It can clearly show the energy flow in a visual form. In this paper, the heterogeneous energy is unified to the network flow platform for calculation. Multi-objective comprehensive dispatch optimizes the economic and environmental benefits of regional electric-gas-heat integrated energy system under multi-period. Simulation results prove that the model is not restricted by the grid structure and has a clear and intuitive form. The corresponding algorithm is solved quickly and linear convergence is guaranteed. This study can reasonably consider the economy, safety and environmental protection of IES. It can provide a reference for multi-energy flow multi-objective multi-period unified optimization dispatch.","PeriodicalId":115174,"journal":{"name":"2020 International Conference on Electrical Engineering and Control Technologies (CEECT)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115146863","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
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