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The magneto motive force of a novel dual stator-winding induction generator 一种新型双定子绕组感应发电机的磁动势
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5617708
Wenxin Huang, Yuwen Hu, F. Bu, K. Shi
{"title":"The magneto motive force of a novel dual stator-winding induction generator","authors":"Wenxin Huang, Yuwen Hu, F. Bu, K. Shi","doi":"10.1109/ECCE.2010.5617708","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5617708","url":null,"abstract":"The magneto motive force (MMF) of a novel dual stator-winding induction generator (DWIG) for wind power application is analyzed in this paper. There are two sets of windings embedded in the stator slots. One is 3-phase control winding, and the other is 6-phase power winding. A static excitation converter (SEC) is connected to the control winding to provide the variable excitation power to the generator. The 6-phase power winding, feeding a 6-phase rectifier, is designed as two 3-phase star windings spatially shifted by 30° electrical to decrease the harmonic MMF. Based on the analysis on the harmonic current components of the two sets of stator windings, the harmonic MMF in this generator is investigated, and the relationship between the harmonic current and harmonic MMF is consequently disclosed. The harmonic MMF in a 18 kW DWIG prototype is calculated, and the correctness of harmonic MMF analysis is verified.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126647313","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
Loss evaluation of a two-stage boost converter using the neutral point of a motor 利用电机中性点对两级升压变换器进行损耗评估
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5617998
J. Itoh, Daisuke Ikarashi
{"title":"Loss evaluation of a two-stage boost converter using the neutral point of a motor","authors":"J. Itoh, Daisuke Ikarashi","doi":"10.1109/ECCE.2010.5617998","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5617998","url":null,"abstract":"This paper evaluates the loss of the proposed two-stage boost converter using the neutral point of a motor, which consists of a small boost chopper and a three-phase inverter. The proposed converter uses the leakage inductance of a motor instead of an ordinary boost-up reactor as a passive boost up component. However, the DC current is imposed to the phase current of the motor in the proposed circuit. Thus the proposed circuit is difficult to separate the power loss between the motor part and the inverter part. The basic operation of the proposed circuit is confirmed by experimental results. In additionally, a measurement method of a power loss in each part of the proposed circuit is established and demonstrated in the test circuit. The efficiency of the boost converter stage of the proposed circuit is increased by 2.3% in compared to the conventional circuit.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126861951","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
Time domain models of the EMI sources in the variable speed drives 变速驱动器中电磁干扰源的时域模型
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5618276
J. Kotny, N. Idir
{"title":"Time domain models of the EMI sources in the variable speed drives","authors":"J. Kotny, N. Idir","doi":"10.1109/ECCE.2010.5618276","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5618276","url":null,"abstract":"This paper deals with conducted electromagnetic interferences (EMI) generated by the power static converter used in the adjustable speed drive (ASD) applications. To study, by simulation, the conducted emissions induced by the power converter with reasonable calculation duration, a simple high frequency model of noise sources is necessary. In this paper, EMI sources of the PWM inverter are modeled using an equivalent current or voltage generators in the time domain. The simulation results are compared with measurement data in the frequency domain. In order to validate the proposed model in the ASD system, it is necessary to use a precise model of energy cable and AC motor which take into account various phenomena which appear when the frequency increases. A model of the shielded 4-wire energy cable that taking into account of the dissymmetry structure is used. The obtained high frequency ASD model is used to estimate the conducted emissions over all inverter functioning period.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"393 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115222291","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: 10
An energy-recyclable burn-in technology for electronic ballasts for HID lamps 一种用于HID灯电子镇流器的能量可回收老化技术
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5617867
Nan Chen, H. Chung
{"title":"An energy-recyclable burn-in technology for electronic ballasts for HID lamps","authors":"Nan Chen, H. Chung","doi":"10.1109/ECCE.2010.5617867","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5617867","url":null,"abstract":"Eco-friendly electronic products can help save the environment by using less electricity. However, saving energy is not only about reducing the electricity consumption of a product; it should also encompass the electricity consumed in the production process. After a product is assembled, it has to go through a burn-in process for weeding out infant mortalities and thus improving the product reliability. The use of energy-recycling in the burn-in process is popular nowadays in the power supply industry. Existing burn-in process for electronic ballasts is conducted by connecting lamps or resistors at their output. All electrical energy is converted into heat and light. Not only does this method waste electricity, it also raises room temperatures in the factory, which results in installing ventilation systems to release the excessive heat. This paper presents an energy-recyclable burn-in technology for electronic ballast for HPS lamps. The device can emulate the lamp characteristics, process high-frequency ballast output power and recycle the power back into the grid. An experimental prototype for a 400W high-pressure sodium (HPS) electronic ballast is built and evaluated.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114610010","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
A novel SFVM control scheme for two-phase interleaved CCM/DCM boundary mode boost converter in power factor correction applications 一种用于功率因数校正的两相交错CCM/DCM边界模式升压变换器的SFVM控制新方案
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5617894
Chung-Ping Ku, Dan Y. Chen, Chin Yuan Liu
{"title":"A novel SFVM control scheme for two-phase interleaved CCM/DCM boundary mode boost converter in power factor correction applications","authors":"Chung-Ping Ku, Dan Y. Chen, Chin Yuan Liu","doi":"10.1109/ECCE.2010.5617894","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5617894","url":null,"abstract":"This paper presents an open-loop synchronized-off voltage mode (SFVM) control scheme for a two-phase interleaved boost converter with master-slave strategy for PFC applications. Interleaving CCM/DCM boundary mode boost converters, however, is complicated because of the variable-frequencies nature of the operation. The problem of current divergence is often encountered in the Slave converter. In this paper, a novel on-time adjustment scheme of Slave converter is presented to stabilize the interleaved converter without using any phase-lock loop, multiplier or inductor current sensing. A circuit was proposed to verify the strategy by simulations.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122042461","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
Implementation of digitally controlled phase shift full bridge converter for server power supply 服务器电源用数字控制移相全桥变换器的实现
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5617915
Je-Hyung Cho, Hyun-Wook Seong, Shin-Myung Jung, Jin-Sik Park, G. Moon, M. Youn
{"title":"Implementation of digitally controlled phase shift full bridge converter for server power supply","authors":"Je-Hyung Cho, Hyun-Wook Seong, Shin-Myung Jung, Jin-Sik Park, G. Moon, M. Youn","doi":"10.1109/ECCE.2010.5617915","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5617915","url":null,"abstract":"The digital controller of the phase-shift full bridge converter for a server power supply is designed and implemented in this paper. Analog controllers are replaced by single MCU (micro controller unit) that not only manages the protection or the operational flow of a power supply but also controls the converter. Voltage mode controller is designed based on the z-domain small signal model considering effect of variation on output filter inductance. Moreover, gain scheduling is applied to adjust the controller gain according to load current. The current offset flowing through a magnetizing inductor is eliminated by adding PI compensator instead of inserting a blocking capacitor that may increase loss, cost, and volume. The saturation of a transformer and the conduction loss due to the current offset can be prevented. The performance of designed controller is verified by the experiments on 1.2kW phase-shift full bridge converter.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122098065","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: 27
Composite energy storage system with flexible energy management capability for micro-grid applications 微电网应用中具有灵活能量管理能力的复合储能系统
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5617980
Haihua Zhou, T. Bhattacharya, Duong Tran, T. S. Siew, A. Khambadkone
{"title":"Composite energy storage system with flexible energy management capability for micro-grid applications","authors":"Haihua Zhou, T. Bhattacharya, Duong Tran, T. S. Siew, A. Khambadkone","doi":"10.1109/ECCE.2010.5617980","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5617980","url":null,"abstract":"Grid connection of renewable power generators in large scale drastically affects the power quality in the grid because of high uncertainty of the renewable sources and their uncontrolled variation. Hence, renewable energy based micro-grids are a better way of utilizing renewable power. Usage of energy storage becomes mandatory, when such micro-grids are used to supply quality power to the loads. Ideally, the storage should have both high energy density and high power density features which is very difficult to find in a single storage. This paper proposes a Composite Energy Storage System (CESS) comprising of battery and ultracapacitor as high energy density storage and high power density storage respectively to meet the above mentioned requirements. The proposed power converter configuration and the energy management scheme can actively share the power flow among the different energy storages. Results are presented to show the feasibility of the proposed scheme.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129502842","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: 11
Trans-linked multi-phase boost converter for electric vehicle 电动汽车用跨链多相升压变换器
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5617935
M. Nakahama, Masayoshi Yamamoto, Y. Satake
{"title":"Trans-linked multi-phase boost converter for electric vehicle","authors":"M. Nakahama, Masayoshi Yamamoto, Y. Satake","doi":"10.1109/ECCE.2010.5617935","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5617935","url":null,"abstract":"The power converters for EV, HEV and FC-EV are required the compact and light weight performance. On the other hand, the boost converter has applied in the HEV to obtain the higher power and efficiency motor drive in recent years. This means that the additional boost converter for the HEV has to achieve high power density performance. Conventional multiphase boost converter can reduce output capacitor size. However, the number of inductor is increased compared to single boost converters. One of the effective solutions for the hurdle is the trans-linked multiphase technique which can reduce magnetic components. This paper presents a novel trans-linked multiphase boost converter for the HEV. The operation characteristics of proposed trans-linked multi-phase boost converter are discussed with simulation and experimental results. Furthermore, the design optimization of coupled inductor on trans-linked multiphase boost converter to realize the light weight and compact performance.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129626716","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: 20
A unified practical approach to analyze the stability of the pre-regulator and complete two-stage PFC power supplies under average-current-mode control 一种统一的实用方法来分析预稳压器的稳定性和完成两级PFC电源在平均电流模式下的控制
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5618001
M. Orabi, A. El Aroudi
{"title":"A unified practical approach to analyze the stability of the pre-regulator and complete two-stage PFC power supplies under average-current-mode control","authors":"M. Orabi, A. El Aroudi","doi":"10.1109/ECCE.2010.5618001","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5618001","url":null,"abstract":"Power Factor Correction (PFC) AC-DC converters can present some undesirable nonlinear phenomena that cause subharmonic oscillations at the line frequency characterized by a power factor less than 0.7 and high Total Harmonic Distortion (THD). In this paper, the stability boundary for boost PFC converter is obtained. A unified analytical and practical approach for stability analysis of both pre-regulator and two-stage PFC converters is presented. The advantage of this approach over previous analysis is taking into consideration the practical output ripple that is regularly ignored in previous works about this subject. Moreover, in the new approach the loading effect which is ignored in two-stage PFC previous models appears in the expressions of the stability boundary. This is obtained by studying the dynamics of the first harmonic component in the harmonic state space. By performing a harmonic analysis, it is found that the real system presents period doubling phenomenon causing sub-harmonic oscillations. The steady state values of harmonics of interest are obtained by making some practical assumptions. This approach is applied to the boost PFC pre-regulator and to the complete two-stage PFC boost converter loaded by a buck converter. The performances of both systems are discussed in terms circuit parameters, working at nominal and non-nominal conditions. To validate the theoretical predictions, numerical simulations and experimental measurements are also presented with a good matching.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128204812","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
Rapid simulation of multi-resonant LLCC converters with capacitive output filter based on an extended first harmonic approximation 基于扩展一谐波近似的电容输出滤波器多谐振LLCC变换器的快速仿真
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5618291
A. Bucher, T. Duerbaum, J. Stahl
{"title":"Rapid simulation of multi-resonant LLCC converters with capacitive output filter based on an extended first harmonic approximation","authors":"A. Bucher, T. Duerbaum, J. Stahl","doi":"10.1109/ECCE.2010.5618291","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5618291","url":null,"abstract":"In case of resonant converters, the corresponding steady-state analysis is in general more cumbersome than in case of PWM converters, as often a multitude of modes has to be regarded and resonant oscillations with durations impossible to calculate directly are encountered. Therefore, approximations are required in order to facilitate the design process. An extension to the well-known first harmonic approximation is investigated for the multi-resonant LLCC converter with capacitive output filter in this paper, revealing a new degree of simplification regarding the resulting closed-form solution. By means of this approximation, the design of the fourth-order resonant LLCC converter is significantly simplified, providing a tool for rapid simulation combined with a very high accuracy. The accuracy of the investigated approach was double-checked by means of exact calculations. The loss-breakdown on several prototypes shows a very high correspondence between prediction and measurement.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128475187","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
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