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Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06.最新文献

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Predicting load harmonics in three phase systems using neural networks 基于神经网络的三相系统负荷谐波预测
Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06. Pub Date : 2006-03-19 DOI: 10.1109/APEC.2006.1620775
J. Mazumdar, R. Harley, F. Lambert, G. Venayagamoorthy
{"title":"Predicting load harmonics in three phase systems using neural networks","authors":"J. Mazumdar, R. Harley, F. Lambert, G. Venayagamoorthy","doi":"10.1109/APEC.2006.1620775","DOIUrl":"https://doi.org/10.1109/APEC.2006.1620775","url":null,"abstract":"This paper proposes a artificial neural network (ANN) based method for the problem of measuring the actual harmonic current injected into a power system network by three phase nonlinear loads without disconnecting any loads from the network. The ANN directly estimates or identifies the nonlinear admittance (or impedance) of the load by using the measured values of voltage and current waveforms. The output of this ANN is a waveform of the current that the load would have injected into the network if the load had been supplied from a sinusoidal voltage source and is therefore a direct measure of load harmonics","PeriodicalId":263412,"journal":{"name":"Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06.","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124529215","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: 8
Repetitive control algorithms for a real-time dynamic electronic load simulator 实时动态电子负载模拟器的重复控制算法
Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06. Pub Date : 2006-03-19 DOI: 10.1109/APEC.2006.1620648
Zhang Rong, Chen Jian
{"title":"Repetitive control algorithms for a real-time dynamic electronic load simulator","authors":"Zhang Rong, Chen Jian","doi":"10.1109/APEC.2006.1620648","DOIUrl":"https://doi.org/10.1109/APEC.2006.1620648","url":null,"abstract":"Different types of electronic load simulators for testing of power supply have been developed and commercialized. However, there exist many drawbacks, for example, it can only provide 4 modes including constant resistance, constant power, constant current, and constant voltage to simulate simple dc load and cannot simulate a load with dynamics such as R-L and R-C loads. In this paper, a method to construct a new dynamic power electronic load simulator (DPELS) is proposed and explored, and a newly digital repetitive control algorithm for the DPELS to reduce the load behavior simulation error is applied. The simulation and experiment results on a single phase full-bridge power amplifier with two stage output filter shows that this method can exhibit the load behavior approximately. It is verified that the proposed DPELS can replace a heap of RLC power components and achieve good dynamic response.","PeriodicalId":263412,"journal":{"name":"Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06.","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125604421","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
Droop control method for the parallel operation of online uninterruptible power systems using resistive output impedance 采用电阻输出阻抗的在线不间断电力系统并联运行的下垂控制方法
Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06. Pub Date : 2006-03-19 DOI: 10.1109/APEC.2006.1620772
Josep M. Guerrero, N. Berbel, L. de Vicuna, J. Matas, J. Miret, M. Castilla
{"title":"Droop control method for the parallel operation of online uninterruptible power systems using resistive output impedance","authors":"Josep M. Guerrero, N. Berbel, L. de Vicuna, J. Matas, J. Miret, M. Castilla","doi":"10.1109/APEC.2006.1620772","DOIUrl":"https://doi.org/10.1109/APEC.2006.1620772","url":null,"abstract":"In this paper, a novel wireless load sharing controller for parallel connected online UPS inverters is proposed. As opposed to the conventional droop method, the proposed method achieves stable steady-state frequency and phase and an good dynamic response is obtained. A virtual output impedance is proposed in order to reduce its line impedance impact and to properly share nonlinear loads. Experimental results are presented from two 6-kVA UPS inverters controlled by DSP boards, showing the feasibility of the proposed approach","PeriodicalId":263412,"journal":{"name":"Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06.","volume":"301 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122248000","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: 57
SiC JFET gate driver design for use in DC/DC converters 用于DC/DC变换器的SiC JFET栅极驱动器设计
Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06. Pub Date : 2006-03-19 DOI: 10.1109/APEC.2006.1620536
R. Kelley, M. Mazzola
{"title":"SiC JFET gate driver design for use in DC/DC converters","authors":"R. Kelley, M. Mazzola","doi":"10.1109/APEC.2006.1620536","DOIUrl":"https://doi.org/10.1109/APEC.2006.1620536","url":null,"abstract":"Even though there is increasing interest in silicon carbide (SiC) JFETs, the fact that they are most commonly normally on devices intimates some designers. Therefore it is important that appropriate gate driver circuits are also introduced to ease the negative concerns associated with a normally on device. By introducing inherently safe gate driver circuits specially designed for the SiC JFET, it will be possible to prove that designing applications using SiC JFETs is not as complicated as some may think. Therefore, this paper provides a follow-up to previous work that introduced an inherently-safe gate driver design for a buck converter. In this paper, another gate driver is introduced that is not only inherently-safe but also provides an isolated solution ideal for a variety of applications. This gate driver is a practical solution for driving both normally-on and enhancement mode SiC JFETs in virtually all power converter topologies","PeriodicalId":263412,"journal":{"name":"Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06.","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132077403","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: 32
Robust maximum torque per amp (MTPA) control of PM-assisted synchronous reluctance motor 永磁同步磁阻电机每安培最大转矩(MTPA)鲁棒控制
Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06. Pub Date : 2006-03-19 DOI: 10.1109/APEC.2006.1620613
P. Niazi, H. Toliyat
{"title":"Robust maximum torque per amp (MTPA) control of PM-assisted synchronous reluctance motor","authors":"P. Niazi, H. Toliyat","doi":"10.1109/APEC.2006.1620613","DOIUrl":"https://doi.org/10.1109/APEC.2006.1620613","url":null,"abstract":"In this paper, a practical maximum torque per ampere control scheme along with a simple parameter estimator for PMa-SynRM is introduced. In this method, MTPA condition is achieved by calculation of the output torque and perturbing one variable while seeking the maximum output torque at the particular operating point. The maximization of the electromagnetic torque might be sensitive to the variation of the motor parameters and also load torque. In order to reduce this sensitivity, a simple online parameter estimator is introduced and used to estimate the motor parameters and calculate the electromagnetic torque more accurately. In this case, variation and dynamics of the load are not affecting the behavior of the introduced controller","PeriodicalId":263412,"journal":{"name":"Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06.","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134285017","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: 7
Progressively converging deadbeat control for UPS inverter 逐步收敛的UPS逆变器无差拍控制
Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06. Pub Date : 2006-03-19 DOI: 10.1109/APEC.2006.1620565
Y.D. Liu, Y. Xing, L.P. Huang, M. Sakane
{"title":"Progressively converging deadbeat control for UPS inverter","authors":"Y.D. Liu, Y. Xing, L.P. Huang, M. Sakane","doi":"10.1109/APEC.2006.1620565","DOIUrl":"https://doi.org/10.1109/APEC.2006.1620565","url":null,"abstract":"Deadbeat control for UPS inverters has essential stability problem and robustness problem. A novel deadbeat control method, progressively converging deadbeat control (PCD), is proposed to solve the problems. Instead of sinusoidal reference signal, weighted average of the reference and current output voltage is chosen to be the target value of next sampling instant. Adjusting the weighing makes tradeoff between stability and rapidity. Static error, stability and dynamic response are analyzed using discrete transfer function. A 1 kVA prototype was built up based on DSP. Theoretical analysis and experimental results show that PCD control has good stability, small static error and fast dynamic response and the robustness is better than conventional deadbeat control.","PeriodicalId":263412,"journal":{"name":"Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06.","volume":"85 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131012086","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: 26
A self-compensating adaptive digital regulator for switching converters based on linear prediction 基于线性预测的开关变换器自补偿自适应数字稳压器
Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06. Pub Date : 2006-03-19 DOI: 10.1109/APEC.2006.1620617
Anthony Kelly, K. Rinne
{"title":"A self-compensating adaptive digital regulator for switching converters based on linear prediction","authors":"Anthony Kelly, K. Rinne","doi":"10.1109/APEC.2006.1620617","DOIUrl":"https://doi.org/10.1109/APEC.2006.1620617","url":null,"abstract":"This paper presents a self-compensating adaptive digital regulator applied to dc to dc converters. Implementing linear prediction, it adapts online, and may be operated continuously, characterizing disturbances in the loop, allowing optimal disturbance rejection. A dual purpose controller-predictor provides robust performance in low complexity hardware.","PeriodicalId":263412,"journal":{"name":"Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131139514","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: 51
Pulse-width-modulation schemes for an integrated traction and compressor drive system 综合牵引和压缩机驱动系统的脉宽调制方案
Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06. Pub Date : 2006-03-19 DOI: 10.1109/APEC.2006.1620606
G. Su
{"title":"Pulse-width-modulation schemes for an integrated traction and compressor drive system","authors":"G. Su","doi":"10.1109/APEC.2006.1620606","DOIUrl":"https://doi.org/10.1109/APEC.2006.1620606","url":null,"abstract":"This paper presents pulse-width-modulation schemes for an integrated traction and compressor drive system for automotive applications. The integrated drive system employs a five-leg inverter to control a three-phase traction motor and a two-phase compressor motor and can significantly reduce the component count of the compressor drive for heating, ventilating and air-conditioning in fuel cell and hybrid electric vehicles. Because the common terminal of the two-phase motor is tied to the neutral point of the three-phase traction motor, PWM schemes that generate a zero-sequence voltage to the three-phase motor may produce an unwanted zero-sequence current. This paper presents PWM strategies for the two-phase motor to avoid this zero-sequence current and discusses in detail three commonly used three-phase PWM schemes. Experimental results are included to verify the effectiveness of the proposed methods.","PeriodicalId":263412,"journal":{"name":"Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06.","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133681800","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
Interface control and islanding protection of grid-connected inverters based on unified constant-frequency integration control 基于统一恒频积分控制的并网逆变器接口控制与孤岛保护
Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06. Pub Date : 2006-03-19 DOI: 10.1109/APEC.2006.1620674
Herong Gu, Wei Liu, Chunjiang Zhang, Weiyang Wu
{"title":"Interface control and islanding protection of grid-connected inverters based on unified constant-frequency integration control","authors":"Herong Gu, Wei Liu, Chunjiang Zhang, Weiyang Wu","doi":"10.1109/APEC.2006.1620674","DOIUrl":"https://doi.org/10.1109/APEC.2006.1620674","url":null,"abstract":"In this paper, a new control approach based on unified constant-frequency integration control (UCI) for current tracing is presented for photovoltaic grid-connected inverters. The working theory is analyzed and the control equation is deduced, and also the islanding protection is studied. The control approach is realized by a digital controller DSP. Different from the normal SPWM and PLL(phase locked loop) control approach in grid-connected inverters interface control, this control approach has the merit of automatic phase tracking capability, simplified control and high output power factor. And it can regulate the output in accordance with the dc voltage and grid voltage automatically.","PeriodicalId":263412,"journal":{"name":"Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06.","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132698785","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 gate voltage bias on reverse recovery losses of power MOSFETs 栅极电压偏置对功率mosfet反向恢复损耗的影响
Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06. Pub Date : 2006-03-19 DOI: 10.1109/APEC.2006.1620721
R. Elferich, T. López
{"title":"Impact of gate voltage bias on reverse recovery losses of power MOSFETs","authors":"R. Elferich, T. López","doi":"10.1109/APEC.2006.1620721","DOIUrl":"https://doi.org/10.1109/APEC.2006.1620721","url":null,"abstract":"A behavioral power MOSFET model is shown that includes the dependence of body diode reverse recovery on the gate voltage. That dependence is strongly associated with the so called 'body effect', i.e. the enhanced sub-threshold channel conduction in the third quadrant. The model requires two parameters that can be derived from FE device simulations. These parameters agree with those found in a measurement. Step-down converter simulation examples demonstrate the impact of the gate bias of the synchronous rectifier on both reverse recovery and gate bouncing and hence on total switching losses.","PeriodicalId":263412,"journal":{"name":"Twenty-First Annual IEEE Applied Power Electronics Conference and Exposition, 2006. APEC '06.","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131312139","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: 14
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