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2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES)最新文献

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High voltage Improved Trans-Z-Source inverter 高压改进型反z源逆变器
2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES) Pub Date : 2014-10-16 DOI: 10.1109/ICEES.2014.6924177
S. Divya, V. Prabhu
{"title":"High voltage Improved Trans-Z-Source inverter","authors":"S. Divya, V. Prabhu","doi":"10.1109/ICEES.2014.6924177","DOIUrl":"https://doi.org/10.1109/ICEES.2014.6924177","url":null,"abstract":"This paper deals with high boost voltage inverters that improve upon conventional Z-Source inverters. The conventional Z-Source inverter has a impedance network for buck-boost function to interface the DC source and inverter bridge. This proposed Improved Trans-Z-Source inverter has a transformer to obtain high voltage. This proposed inverter has increased voltage boost gain, reduced voltage stress and high boost factor due to the use of transformer. We can able to obtain high voltage from this inverter by making the turns ratio of the transformer more than unity. This paper presents the operating principles, analysis and simulation results of Improved Trans-Z-Source inverter and compares with the conventional Z-Source inverter. Both the shoot-through states and the turns ratio can be regulated to control the boost voltage gain.","PeriodicalId":315326,"journal":{"name":"2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117017585","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: 6
A ninelevel multilevel inverter with DC link switches 带直流链路开关的九电平多电平逆变器
2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES) Pub Date : 2014-10-16 DOI: 10.1109/ICEES.2014.6924180
C. Sruthi, P. Saritha
{"title":"A ninelevel multilevel inverter with DC link switches","authors":"C. Sruthi, P. Saritha","doi":"10.1109/ICEES.2014.6924180","DOIUrl":"https://doi.org/10.1109/ICEES.2014.6924180","url":null,"abstract":"This paper proposes a nine level multilevel inverter with DC link switches. Single carrier method is the control strategy used here. The switching sequence to balance the capacitor voltage is also considered. Compared to the exsisting ninelevel multilevel inverter it requires less number of DC sources. The proposed multilevel inverter is compared with five level inverter. The ninelevel inverter produce less distorted waveform compared to fivelevel multilevel inverter. So as the number of level increases harmonic content reduces.","PeriodicalId":315326,"journal":{"name":"2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES)","volume":"518 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123115267","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
Interleave isolated boost converter as a frontend converter for fuel cell applications 交错隔离升压变换器作为燃料电池应用的前端变换器
2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES) Pub Date : 2014-10-16 DOI: 10.1109/ICEES.2014.6924168
K. Senthilkumar, M. K. Reddy, D. Elangovan, R. Saravanakumar
{"title":"Interleave isolated boost converter as a frontend converter for fuel cell applications","authors":"K. Senthilkumar, M. K. Reddy, D. Elangovan, R. Saravanakumar","doi":"10.1109/ICEES.2014.6924168","DOIUrl":"https://doi.org/10.1109/ICEES.2014.6924168","url":null,"abstract":"With rising fuel costs, increasing concerns for global climate change, and a growing worldwide demand for electricity, utilizing renewable energy sources such as solar/Fuel power becomes a necessity rather than a luxury. The conversion of renewable energy sources into useful DC or AC power for residential and industrial applications is becoming more popular. But renewable energy re-sources comes with low output voltage (20V to 60V) range, so, in order to utilize this energy effectively, it has to be boosted to high DC voltage by using high efficient power converters & then convert High DC to AC using Voltage fed-Inverter. Isolated boost converter is desirable in the low-to-high dc/dc application where isolation is required or a large step up is in a need. The challenge of designing such a converter for high power applications is how to handle the high current at the input and high voltage at the output. An effective way is to parallel the inputs and series the outputs of the isolated boost converters. Based on this concept, a new interleaved and isolated boost converter is proposed in this paper that has two inductors in parallel at the input to share the current and two capacitors in series at the output to share the voltage. The two Boost converter cells realize demagnetizing by helping each other, which simplifies the transformer structures. With interleaved operation, the current ripple is smaller; therefore, it is possible to use smaller capacitors at the input and output of the converter. All these features make the new interleaved isolated boost converter desirable for high power low-to-high dc/dc applications. At last, a 300 W prototype with 48 V-to-400 V is simulated and tested to verify the theoretical analysis in this paper.","PeriodicalId":315326,"journal":{"name":"2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127191800","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: 6
Advanced feed-forward strategy to dynamic control of the islanded micro grids 孤岛微电网动态控制的先进前馈策略
2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES) Pub Date : 2014-10-16 DOI: 10.1109/ICEES.2014.6924157
Amin Heydari, H. Koofigar, Jafar Soltanizamani
{"title":"Advanced feed-forward strategy to dynamic control of the islanded micro grids","authors":"Amin Heydari, H. Koofigar, Jafar Soltanizamani","doi":"10.1109/ICEES.2014.6924157","DOIUrl":"https://doi.org/10.1109/ICEES.2014.6924157","url":null,"abstract":"In this paper, by choosing the islanded structure for DER, the problem of voltage and frequency control in micro grids is discussed. The proposed control scheme has been used as a feed forward compensation strategy to reduce the nonlinear effects and to compensate for the load dynamics. Thus, the mathematical islanded model of DER system has been introduced and then, the voltage and frequency controllers have been designed to achieve fast and stable response and also zero steady state error. The operation of system in different load conditions is checked by Matlab-Simulink software. The simulation results show the robust operation of closed loop system composed with designed controller.","PeriodicalId":315326,"journal":{"name":"2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115072461","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 novel seven level inverter with reduced number of switches 一种新颖的开关数量减少的七电平逆变器
2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES) Pub Date : 2014-10-16 DOI: 10.1109/ICEES.2014.6924184
Megha S. Varna, Jenson Jose
{"title":"A novel seven level inverter with reduced number of switches","authors":"Megha S. Varna, Jenson Jose","doi":"10.1109/ICEES.2014.6924184","DOIUrl":"https://doi.org/10.1109/ICEES.2014.6924184","url":null,"abstract":"This paper deals with a novel seven level cascaded multilevel inverter. Almost all the drawbacks of the conventional multilevel inverters is rectified by the proposed topology. This topology uses less number of switches (particularly in higher levels) as compared with conventional topology, where it reduces the complexity and overall size of the system which in turn reduces the harmonics and cost of the entire system. Fewer switches will be conducting for specific time intervals so switching loss is also reduced in the proposed topology. A seven level inverter simulation is carried with the implementation of nearest level control. The proposal is validated by extensive simulation studies.","PeriodicalId":315326,"journal":{"name":"2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES)","volume":"206 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121034959","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: 5
An isolated dual-input converter for hybrid power system 一种用于混合动力系统的隔离双输入变换器
2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES) Pub Date : 2014-10-16 DOI: 10.1109/ICEES.2014.6924181
G. Jayalashmi, R. Elanthirayan
{"title":"An isolated dual-input converter for hybrid power system","authors":"G. Jayalashmi, R. Elanthirayan","doi":"10.1109/ICEES.2014.6924181","DOIUrl":"https://doi.org/10.1109/ICEES.2014.6924181","url":null,"abstract":"This paper deals with an isolated dual input converter for grid/PV hybrid power system. The proposed dual-input converter could be operated either in single power supply mode or hybrid power supply mode. When the obtained PV power is less than the load demand, the proposed dual-input converter can automatically obtain the complement power from the grid. Independent control is provided to both PV power and grid power. The power flows from both the sources are unidirectional and supply the load individually. Simulations are carried out using MATLAB/Simulink and the results are verified to evaluate the validity and performance of the converter.","PeriodicalId":315326,"journal":{"name":"2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130809381","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
Design of coefficient diagram method (CDM) based PID controller for double integrating unstable system 基于系数图法的双积分不稳定系统PID控制器设计
2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES) Pub Date : 2014-10-16 DOI: 10.1109/ICEES.2014.6924166
K. Kalpana, B. Meenakshipriya
{"title":"Design of coefficient diagram method (CDM) based PID controller for double integrating unstable system","authors":"K. Kalpana, B. Meenakshipriya","doi":"10.1109/ICEES.2014.6924166","DOIUrl":"https://doi.org/10.1109/ICEES.2014.6924166","url":null,"abstract":"Control of double integrating unstable system is a challenging task in the field of control system engineering. Many Proportional Integral Differential (PID) controller design is developed for stable system however it is very less common for double integrating unstable system. Co-efficient Diagram Method (CDM) is one of the recently developed controller design methodology based on algebraic approach. In this paper, a new CDM based PID control strategy is proposed for double integrating unstable system. An example is given to demonstrate the performance and robustness of the CDM-PID controller in terms of Error indices (Integral Squared Error (ISE) and Integral Absolute Error (IAE)) and Quality indices (Rise time (tr), Settling time (ts and Maximum peak overshoot (%Mp)).","PeriodicalId":315326,"journal":{"name":"2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127624602","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: 5
High gain hybrid DC-DC converter 高增益混合DC-DC变换器
2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES) Pub Date : 2014-10-16 DOI: 10.1109/ICEES.2014.6924171
Abhishek Srivastava, M. Prabhakar
{"title":"High gain hybrid DC-DC converter","authors":"Abhishek Srivastava, M. Prabhakar","doi":"10.1109/ICEES.2014.6924171","DOIUrl":"https://doi.org/10.1109/ICEES.2014.6924171","url":null,"abstract":"The output voltage from renewable energy sources like photovoltaic cell or array will be at low level. This must be stepped up by an order of around 20 for practical applications or grid connection. Series connection of arrays is not a viable solution. The proposed DC-DC converter topology consists of a novel single switch high gain DC-DC converter which will be a combination of coupled inductor and voltage multiplier cells (VMCs). The approach is to achieve high step up gain by using appropriate duty cycle and the turns ratio of the coupled inductor. This is done by charging the two capacitors in parallel and discharging them in series via a coupled inductor. The voltage multiplier cell operates as regenerative circuit reducing the problems with layout. These characteristics allow the operation with high efficiency and high static gain.","PeriodicalId":315326,"journal":{"name":"2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES)","volume":"17 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132705866","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: 4
Experimental setup of a microgrid with wind and solar power emulators 风能和太阳能模拟器微电网的实验设置
2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES) Pub Date : 2014-10-16 DOI: 10.1109/ICEES.2014.6924133
Rumman R. Islam, Mingyu Liao, T. Vo, J. Ravishankar
{"title":"Experimental setup of a microgrid with wind and solar power emulators","authors":"Rumman R. Islam, Mingyu Liao, T. Vo, J. Ravishankar","doi":"10.1109/ICEES.2014.6924133","DOIUrl":"https://doi.org/10.1109/ICEES.2014.6924133","url":null,"abstract":"The application of renewable energy technologies has significantly increased in recent years and this leads to educating future engineers in this field. This paper outlines a simple experimental setup of a microgrid (MG) that can be operated at both stand-alone and grid-connected modes. The setup includes updated generation technologies like permanent magnet synchronous generator (PMSG) and doubly fed induction generator (DFIG), wind turbine and photovoltaic emulators, batteries and programmable loads. It provides an opportunity to explore the connection of renewable and low carbon energy resources to the network, and to understand some of the limitations and the challenges associated with the interconnection of renewables. In a higher education environment, this experimental setup not only serves as a platform for undergraduate teaching but also serves as a base for research students to test their innovative controllers.","PeriodicalId":315326,"journal":{"name":"2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131916664","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: 9
High gain high power non-isolated DC-DC converter for renewable energy applications 用于可再生能源应用的高增益高功率非隔离DC-DC变换器
2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES) Pub Date : 2014-10-16 DOI: 10.1109/ICEES.2014.6924173
B. Sri Revathi, M. Prabhakar
{"title":"High gain high power non-isolated DC-DC converter for renewable energy applications","authors":"B. Sri Revathi, M. Prabhakar","doi":"10.1109/ICEES.2014.6924173","DOIUrl":"https://doi.org/10.1109/ICEES.2014.6924173","url":null,"abstract":"In this paper, a non-isolated high step-up high power DC-DC converter based on coupled inductor and voltage multiplier cell (VMC) is proposed for renewable energy applications. To obtain high voltage gain and high output power, three interleaved coupled inductors and three VMCs are used. Each VMC consists of secondary winding of the coupled inductor, two diodes and two capacitors which charge and discharge alternately through the diodes. The three stages present in interleaved boost converter reduce the current stress on the switch and input current ripple. Voltage stress on the power switches is reduced by using coupled inductors with proper turns ratio. The proposed converter produces a voltage gain of 23 and delivers 3kW power output. The converter has a modular structure which facilitates smooth increment in voltage gain and output power requirement. The operating principle, characteristic waveforms, design details and simulation results of the proposed converter prove the desirable features.","PeriodicalId":315326,"journal":{"name":"2014 IEEE 2nd International Conference on Electrical Energy Systems (ICEES)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131018294","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: 12
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