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Comparative thermal performance evaluation of SiC MOSFETs and Si MOSFET for 1.2 kW 300 kHz DC-DC boost converter as a solar PV pre-regulator SiC MOSFET和Si MOSFET用于1.2 kW 300 kHz DC-DC升压变换器作为太阳能光伏预调节器的热性能比较评估
2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA) Pub Date : 2014-08-07 DOI: 10.1109/IPEC.2014.6870064
Taekyun Kim, M. Jang, V. Agelidis
{"title":"Comparative thermal performance evaluation of SiC MOSFETs and Si MOSFET for 1.2 kW 300 kHz DC-DC boost converter as a solar PV pre-regulator","authors":"Taekyun Kim, M. Jang, V. Agelidis","doi":"10.1109/IPEC.2014.6870064","DOIUrl":"https://doi.org/10.1109/IPEC.2014.6870064","url":null,"abstract":"In this paper a comparative thermal performance evaluation of SiC MOSFETs (SiC MOSFET and SiC Z-FET) and Si MOSFET in a high power density of 1.2 kW DC-DC boost converter as a photovoltaic pre-regulator is presented. The good thermal stability of the converter expected from both SiC MOSFETs at high switching frequency up to 300 kHz and high case temperature of 150 °C has been demonstrated by comparing with Si MOSFET. Faster turn-on switching time for SiC MOSFETs, compared with Si MOSFET leads to reduced turn-on switching losses, and consequently the heat sink temperature at 300 kHz switching frequency reaches only at around 50 °C in natural convection. The experimental results given in this paper show that SiC technologies aid in improving reliability of solar PV inverters by enhancing thermal stability of the system.","PeriodicalId":393430,"journal":{"name":"2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133096131","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
Extended discrete control of class E amplifier in order to achieve nominal operation 扩展离散控制的E类放大器，以实现标称操作
2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA) Pub Date : 2014-05-18 DOI: 10.1109/IPEC.2014.6870068
T. Suetsugu, Xiuqin Wei, Shotaro Kuga
{"title":"Extended discrete control of class E amplifier in order to achieve nominal operation","authors":"T. Suetsugu, Xiuqin Wei, Shotaro Kuga","doi":"10.1109/IPEC.2014.6870068","DOIUrl":"https://doi.org/10.1109/IPEC.2014.6870068","url":null,"abstract":"This paper introduces concept of discrete control method of class E amplifier which keeps nominal operation for varying load resistance. In the proposed method, shunt capacitance and output resonant capacitance are varied electronically by setting status of switches which are connected to capacitances. Proposed method can keep nominal operation, i.e., ZVS and ZDS, both when load resistance is higher than the designed value and lower than the designed value. Operation of proposed circuit is verified with PSIM simulation.","PeriodicalId":393430,"journal":{"name":"2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114964849","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 next-generation high power density inverter technology for vehicle 下一代车载高功率密度逆变器技术
2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA) Pub Date : 2014-05-18 DOI: 10.1109/IPEC.2014.6869850
Kinya Nakatsu, R. Saito
{"title":"The next-generation high power density inverter technology for vehicle","authors":"Kinya Nakatsu, R. Saito","doi":"10.1109/IPEC.2014.6869850","DOIUrl":"https://doi.org/10.1109/IPEC.2014.6869850","url":null,"abstract":"Realizing a sustainable society will require a reduction in CO2 emissions, and many different sectors of the economy are being encouraged to be energy efficient, including the electric power business, industry, and consumer and transportation businesses. In the transportation sector in particular, environmentally conscious vehicles that use power electronics will be essential as replacements for conventional vehicles powered by internal combustion engines. The main components used in power electronics include inverters, batteries, and electric motors, and we are working on the development of specific technologies intended to make these components even smaller and more efficient than before. In this article, we describe the physical circuit designs needed to make the inverters used for controlling large electric power systems more efficient and techniques that achieve a high level of reliability, including cooling and vibration resistance.","PeriodicalId":393430,"journal":{"name":"2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA)","volume":"177 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115285542","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
Temperature-robust LC3 LED driver with low THD, high efficiency, and long life 温度稳定的LC3 LED驱动器，低THD，高效率，长寿命
2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA) Pub Date : 2014-05-18 DOI: 10.1109/IPEC.2014.6870169
Eun S. Lee, Bo H. Choi, Jun P. Cheon, Bong C. Kim, C. Rim
{"title":"Temperature-robust LC3 LED driver with low THD, high efficiency, and long life","authors":"Eun S. Lee, Bo H. Choi, Jun P. Cheon, Bong C. Kim, C. Rim","doi":"10.1109/IPEC.2014.6870169","DOIUrl":"https://doi.org/10.1109/IPEC.2014.6870169","url":null,"abstract":"A new type of passive LED driver that can reduce total harmonic distortion (THD) significantly by LC parallel resonance is proposed in this paper. Using an inductor and three capacitors, called LC3, novel characteristics such as high efficiency and power factor (PF) with extremely long life time are achieved. The proposed LED driver has a temperature-robust characteristic because its power is hardly changed by temperature, selecting the number of LED in series ns appropriately so that the LED power variation due to temperature change in LED can be zero. For analyzing LED power of the proposed LED driver, the phasor transformation technique is applied, which is firstly applied to a non-linear diode rectifier modeling. Nevertheless this non-linear switching, the proposed analyses agreed well with simulation and experiment results. A prototype LED driver showed very high power efficiency of 96.7 % at 60 W, meeting high PF of 0.95 and low THD of 10.1 %, though a reasonably small filter was used.","PeriodicalId":393430,"journal":{"name":"2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA)","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115448578","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
A high performance control strategy for three-level NPC EMU converters 三电平NPC动车组变换器的高性能控制策略
2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA) Pub Date : 2014-05-18 DOI: 10.1109/IPEC.2014.6869654
Song Kejian, W. Mingli, Wang Hui, V. Agelidis
{"title":"A high performance control strategy for three-level NPC EMU converters","authors":"Song Kejian, W. Mingli, Wang Hui, V. Agelidis","doi":"10.1109/IPEC.2014.6869654","DOIUrl":"https://doi.org/10.1109/IPEC.2014.6869654","url":null,"abstract":"A high performance control strategy for a three-level neutral-point-clamped (NPC) converter employed in electric multiple units traction drive system is proposed in this paper. The strategy is based on a multiple frequency tuned quasi-proportional resonant (PR) controller for the AC current loop. A notch filter is used in the DC bus voltage loop to filter out the ripple affecting the controller. A feed-forward loop is included in the inner current control loop to deal with AC power supply disturbances. The impact of the quasi-PR controller parameters on its performance is investigated through frequency-domain analysis. The generation of the low-order harmonics of the line current caused by the DC-link voltage fluctuations is analyzed from the control point of view. Simulation results presented in the paper validate that the proposed control strategy provides a better current tracking performance and a lower current harmonic content when compared with other more conventional control strategies.","PeriodicalId":393430,"journal":{"name":"2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115593518","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
An advanced position control of overhead crane by sway suppression method emulating natural damping 采用模拟自然阻尼的减摇方法对桥式起重机进行位置控制
2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA) Pub Date : 2014-05-18 DOI: 10.1109/IPEC.2014.6869856
Toshiyuki Kurabayashi, Yang Chuan, T. Murakami
{"title":"An advanced position control of overhead crane by sway suppression method emulating natural damping","authors":"Toshiyuki Kurabayashi, Yang Chuan, T. Murakami","doi":"10.1109/IPEC.2014.6869856","DOIUrl":"https://doi.org/10.1109/IPEC.2014.6869856","url":null,"abstract":"Overhead crane is widely used to convey the payload due to its convenience. However it is hard to control the crane because of its underactuated structure. The most important control requirement is to make the trolley position converge to target position accurately with suppressing payload sway. This makes it possible to achieve the purpose of overhead crane which is to convey payload to target position stably. In the practical implementation, however, the achievement of both conveying trolley to target position and suppressing payload sway is not always easy. In this paper, emulating natural damping method is proposed. The natural damping is defined as energy damping of crane system caused by trolley friction. Not only trolley but also payload energy is damped by natural damping effect. The proposed approach brings to achieve both trolley position convergence and payload sway suppression.","PeriodicalId":393430,"journal":{"name":"2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127127108","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
Back-to-back system for five-level converter with common flying capacitors 带普通飞行电容器的五电平变换器背靠背系统
2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA) Pub Date : 2014-05-18 DOI: 10.1109/IPEC.2014.6869763
I. Hasegawa, S. Urushibata, T. Kondo, K. Hirao, T. Kodama, Hui Zhang
{"title":"Back-to-back system for five-level converter with common flying capacitors","authors":"I. Hasegawa, S. Urushibata, T. Kondo, K. Hirao, T. Kodama, Hui Zhang","doi":"10.1109/IPEC.2014.6869763","DOIUrl":"https://doi.org/10.1109/IPEC.2014.6869763","url":null,"abstract":"This study proposes a novel 5-level converter topology in which common flying capacitors (FCs) are shared by three phases. This circuit can output voltage patterns prohibited in the circuits of the previous study. Furthermore,a back-to-back (BTB) configuration can be realized by only increasing the number of the phase units of the 5-level converter. This BTB system employs common FCs for all input and output. This study shows the topology of a 5-level converter and its operational principle as well as the expansion method for realizing the BTB system. A simulation is conducted to verify the control method and operation properly.","PeriodicalId":393430,"journal":{"name":"2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127325210","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
Method for auto-tuning of current and speed controller in IPMSM drive system based on parameter identification 基于参数辨识的IPMSM驱动系统电流和速度控制器自动整定方法
2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA) Pub Date : 2014-05-18 DOI: 10.1109/IPEC.2014.6869612
D. Tadokoro, S. Morimoto, Y. Inoue, M. Sanada
{"title":"Method for auto-tuning of current and speed controller in IPMSM drive system based on parameter identification","authors":"D. Tadokoro, S. Morimoto, Y. Inoue, M. Sanada","doi":"10.1109/IPEC.2014.6869612","DOIUrl":"https://doi.org/10.1109/IPEC.2014.6869612","url":null,"abstract":"In motor drive systems, the most suitable gains change according to the operating state. As such, in order to achieve a high-performance control, the gains of the current and speed controller must be tuned according to the operating state. In this study, we propose an auto-tuning method for a current and speed controller based on the parameter identification. First, the resistance, including the on-resistance of the IGBT, and the d- and q-axis inductances are identified at standstill. Second, after the motor starts up, the magnet flux linkage, the inertia moment, and the viscous friction coefficient are also identified using the parameters identified at standstill. Finally, the controller gains are determined by substituting the identified values into the derived relationship between control gains and motor parameters. The effectiveness of the proposed method is verified experimentally.","PeriodicalId":393430,"journal":{"name":"2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA)","volume":"155 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127353754","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: 17
A new power flow controller using six multilevel cascaded converters for distribution systems 一种新型的配电网用多级级联变流器潮流控制器
2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA) Pub Date : 2014-05-18 DOI: 10.1109/IPEC.2014.6869761
Ryoji Tsuruta, Tatsuya Hosaka, H. Fujita
{"title":"A new power flow controller using six multilevel cascaded converters for distribution systems","authors":"Ryoji Tsuruta, Tatsuya Hosaka, H. Fujita","doi":"10.1109/IPEC.2014.6869761","DOIUrl":"https://doi.org/10.1109/IPEC.2014.6869761","url":null,"abstract":"This paper proposes a new power flow controller consisting of six multilevel cascaded converters for stabilizing and regulating the line voltages in distribution networks. Each cascaded converter is composed of series connection of H-bridge converters, and connected between one phase in the sending end and the other phase in receiving end. While each cascaded converter control only reactive power through itself, the active and reactive power flows are controllable. Using multilevel cascaded converter topology, this power flow controller is expected to be applied to more high-voltage and high-power applications and to have fault ride through capabilities. Experimental results are shown to verify the operating principle of the proposed power flow controller and demonstrates the quick and stable power flow control performance.","PeriodicalId":393430,"journal":{"name":"2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124792319","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
Air gap control of multi-phase transverse flux permanent magnet linear synchronous motor by using independent vector control 采用独立矢量控制的多相横磁永磁直线同步电动机气隙控制
2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA) Pub Date : 2014-05-18 DOI: 10.1109/IPEC.2014.6869929
Seon-Hwan Hwang, D. Bang, Ji-Won Kim
{"title":"Air gap control of multi-phase transverse flux permanent magnet linear synchronous motor by using independent vector control","authors":"Seon-Hwan Hwang, D. Bang, Ji-Won Kim","doi":"10.1109/IPEC.2014.6869929","DOIUrl":"https://doi.org/10.1109/IPEC.2014.6869929","url":null,"abstract":"This paper presents an air gap control method of a multi-phase transverse flux permanent magnet linear synchronous motor (MP-TFPMLSM) based on independent vector control. Especially, the MP-TFPMLSM is composed of symmetrical multi-phase and multiple-module structures, which are basically three-phase configurations. Hence, in this paper, a d-axis current control applying the d-q transformation and the independent vector control are proposed for the air gap control between two symmetric stators and mover of the MP-TFPMLSM. The control performance and characteristics of the MP-TFPMLSM, which is based on two basic three-phase structures of the air gap control and the position control of multi-phase linear machines using a concept of vector control are analyzed. As a result, the air gap control by using the independent vector control is a suitable method to efficiently control the interaction between stator and mover of the MP-TFPMLSM. The proposed method is easily implemented and has less computation time to design controllers for operating the multi-phase machines. The effectiveness of the proposed independent vector control algorithm is verified through several experimental results.","PeriodicalId":393430,"journal":{"name":"2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124793175","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
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