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2010 IEEE Industry Applications Society Annual Meeting最新文献

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Emission Spectroscopy of Pulsed Powered Microplasma for Surface Treatment of PEN Film 脉冲微等离子体用于PEN膜表面处理的发射光谱研究
Pub Date : 2010-11-01 DOI: 10.1109/IAS.2010.5614482
M. Blajan, A. Umeda, S. Muramatsu, K. Shimizu
Microplasma can be found in many applications. The technology is used also for surface treatment of polymers. The process of surface treatment by microplasma is environmental friendly and could be realized at low cost due to the relatively low discharge voltage (around 1 kV) even under atmospheric pressure and small size of power supply and reactor. This paper presents the surface treatment by microplasma of PEN (polyethylene naphthalate) film using Ar gas and mixtures of Ar with N2 and O2. Microplasma process was analyzed by emission spectroscopy method. An experimental Marx generator with MOSFET switches was used as a pulsed high voltage power supply. The emission spectra were measured by an ICCD camera, a spectrometer, and a photomultiplier tube. Surface wettability of PEN film was confirmed measuring contact angle before and after the microplasma surface treatment. It was observed that contact angle of PEN film was decreased especially with O2/Ar mixture. Analysis by X-ray photoelectron spectrometer (XPS) showed the decrease of C1s, which correspond to C-H bond. Emission spectrum of microplasma discharge in Ar/N2 mixture showed Ar peaks, OH peaks, N2 second positive band system peaks (N2 SPS) and N2 first positive band system peaks (N2 FPS) and a decrease in peaks intensities of ArI and OH for microplasma discharge in O2/Ar mixture. Lifetime emission signals for N2 SPS for the microplasma discharge in 0.25% N2 in Ar was around 1 µs. The calculation of microplasma rotational and electron temperatures show low rotational and high electron temperature.
微等离子体可以在许多应用中找到。该技术也用于聚合物的表面处理。微等离子体表面处理工艺环境友好,即使在常压下放电电压也相对较低(约1 kV),电源和反应器体积小,成本低。本文介绍了用氩气和氩气与N2、O2的混合物对聚萘二甲酸乙二醇酯(PEN)薄膜进行微等离子体表面处理的方法。利用发射光谱法对微等离子体过程进行了分析。实验用带MOSFET开关的马克思发生器作为脉冲高压电源。发射光谱由ICCD相机、光谱仪和光电倍增管测量。通过测量微等离子体表面处理前后的接触角,确定了PEN膜的表面润湿性。结果表明,在O2/Ar混合的情况下,PEN膜的接触角减小。x射线光电子能谱(XPS)分析表明,碳-氢键对应的碳- 1s减少。在Ar/ Ar混合物中,微等离子体放电的发射光谱显示出Ar峰、OH峰、N2第二正带体系峰(N2 SPS)和N2第一正带体系峰(N2 FPS),并且在O2/Ar混合物中,ArI和OH的峰强度有所降低。在0.25% N2 + Ar条件下,微等离子体放电时N2 SPS的寿命发射信号约为1µs。微等离子体的旋转温度和电子温度计算表明,旋转温度低,电子温度高。
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引用次数: 26
Analysis of Significant Parameters Affecting the Shielding Failure of HVDC-TL 影响HVDC-TL屏蔽失效的重要参数分析
Pub Date : 2010-11-01 DOI: 10.1109/IAS.2010.5616734
M. Nayel, Zhao Jie, Jinliang He
This paper studies the influence of different parameters on the shielding failure of high voltage direct current (HVDC) transmission lines. A numerical of analysis model considering the developing process of the downward lightning leader based on electromagnetic field theory is used to estimate the lateral striking distance to the transmission line. The influences of these factors on the shielding failure of the HVDC transmission line (TL), including different parameters of the downward lightning leader, HVDC transmission line, and weather conditions, have been considered in this analysis. The results show that the dimensions of the transmission line strongly affect the analyzed results of the HVDC-TL shielding failure.
研究了不同参数对高压直流输电线路屏蔽失效的影响。基于电磁场理论,建立了考虑下向雷锋发展过程的数值分析模型,估算了下向雷锋对传输线的侧击距离。分析中考虑了下向避雷针的不同参数、高压直流输电线路的不同参数以及天气条件等因素对高压直流输电线路屏蔽失效的影响。结果表明,输电线路的尺寸对高压直流输电屏蔽失效的分析结果有很大影响。
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引用次数: 0
Active Compensation of Sub and Interharmonics in Cycloconverter-Fed Grinding Mill Drives 循环变流器馈给磨机传动中次谐波和间谐波的主动补偿
Pub Date : 2010-11-01 DOI: 10.1109/IAS.2010.5615648
Pablo Aravena, L. Morán, J. Dixon, G. Joós
This paper presents a filter scheme implemented with passive high-pass filters and a shunt active power filter. The filter scheme is aimed to compensate high power cycloconverter drives used in grinding mill plant. Passive filters are used to compensate power factor and characteristics current harmonic components generated by the cycloconverter, while the shunt active filter is designed to compensate only the low frequency sub and inter-harmonics generated by the cycloconverter. The principal advantage of the proposed scheme is that it allows effective attenuation of all the harmonic components resulting from cycloconverter input currents, meeting IEEE Std. 519. Simulated results of a large grinding mill plant compensated with the proposed filter scheme prove the compensation effectiveness.
本文提出了一种由无源高通滤波器和并联有源电力滤波器组成的滤波方案。该滤波方案是针对磨厂大功率循环变换器驱动进行补偿的。无源滤波器用于补偿由环变换器产生的功率因数和特性电流谐波分量,而并联有源滤波器仅用于补偿由环变换器产生的低频次谐波和间谐波。提出的方案的主要优点是,它允许有效衰减所有谐波分量产生的循环变换器输入电流,满足IEEE标准519。对某大型磨厂的仿真结果证明了该滤波方案的补偿效果。
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引用次数: 6
Robust Design and Capability Evaluation of a Tribo-Aerodynamic Charging Process for Fine Particles 细颗粒摩擦气动装药过程鲁棒性设计与性能评估
Pub Date : 2010-11-01 DOI: 10.1109/IAS.2010.5615516
L. Dascalescu, M. Bilici, C. Dragan, A. Samuila, Y. Ramdani, A. Tilmatine
Robustness and capability are critical issues for the industrial application of any novel electrostatic process. The aim of the present work is double: - show how experimental design methodology can contribute to assessing the robustness of a given tribo-aerodynamic charging process; - validate a procedure for evaluating the capability of two tribo-aerodynamic chargers, with respect to the specific requirements of electrostatic separation applications. The results of three fractional factorial experimental designs performed on starch and flour powders, in two devices similar to the tribo-guns employed for electrostatic powder coating, demonstrate that the tribo-aerodynamic charging is robust with respect to the three main control variables of the process: the injection and vortex pressures of the air in the pneumatic circuit, and the material feed-rate. The capability indexes computed for both the straight-type and spiral-type tribo charges were satisfactory.
鲁棒性和性能是任何新型静电工艺工业应用的关键问题。当前工作的目的是双重的:-展示实验设计方法如何有助于评估给定的摩擦-气动充电过程的稳健性;-根据静电分离应用的具体要求,验证评估两个摩擦气动充电器能力的程序。在两个类似于静电粉末喷涂的摩擦枪的装置上,对淀粉和面粉粉末进行了三个分数因子实验设计,结果表明,摩擦气动充气对过程的三个主要控制变量是鲁棒的:气动回路中空气的注入压力和涡旋压力,以及物料进料速率。直线型和螺旋型摩擦装药的性能指标均令人满意。
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引用次数: 1
Measurement of Charge Evolution in Oxides of DC Stressed MOS Structures 直流应力MOS结构氧化物中电荷演化的测量
Pub Date : 2010-11-01 DOI: 10.1109/IAS.2010.5614500
L. Boyer, P. Notingher, S. Agnel, B. Rousset, J. Sanchez
This work addresses electric charge measurement in gate oxides of metal-oxide-semiconductor (MOS) structures submitted to dc stress similar to that applied in power electronics components during service (2 MV/cm to 4 MV/cm). The qualitative and quantitative variation of the charge is analyzed via capacitance-voltage and thermal-step measurements, taking into account the structure geometry and the different phenomena occurring during stress. It is shown that, while the capacitance-voltage technique, which is mainly sensitive to the charges placed near the substrate, the thermal-step method is more sensitive for detecting the charges placed all over the oxide. It is shown that the association of the two complimentary techniques can allow to identify and to localize the charges across the quasi-totality of the gate oxide.
这项工作解决了金属氧化物半导体(MOS)结构的栅极氧化物在直流应力下的电荷测量,类似于电力电子元件在使用期间的应用(2 MV/cm至4 MV/cm)。考虑到结构几何和应力过程中发生的不同现象,通过电容-电压和热步长测量分析了电荷的定性和定量变化。结果表明,电容电压法主要对衬底附近的电荷敏感,而热步进法对检测整个氧化物上的电荷更为敏感。结果表明,这两种互补技术的结合可以在栅极氧化物的准整体上识别和定位电荷。
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引用次数: 4
A Novel Electronic Controller Implementation for Voltage Regulation of Single Phase Self-Excited Induction Generator 一种单相自激感应发电机电压调节的新型电子控制器实现
Pub Date : 2010-11-01 DOI: 10.1109/IAS.2010.5614434
S. Murthy, U. Kalla, G. Bhuvaneswari
A new scheme for voltage regulation of standalone single phase self excited induction generator (SEIG) is proposed. The thyristor switched capacitor scheme with electronic controller is designed and implemented for the reactive power supply and voltage regulation of single phase two winding SEIG reported earlier [1-2]. The recorded waveforms and test results verify the correct and proper operation of all the sections of controller design as implemented in the laboratory. The object of this scheme is to provide a standalone single phase SEIG with acceptable voltage regulation with the help of inexpensive, simple thyristor switched capacitors, suitable for low power generator with single phase out put driven by any fixed speed prime mover such as an engine energized by oil or bio-fuel. The use of SEIG reduces the capital and maintenance cost of the system, while the electronic controller along with capacitors provides acceptable voltage regulation at its output terminal. Such a system is specially suited for portable/standby generator units of 1 to 10 kW rating. Experimental results demonstrate the viability of the scheme for practical deployment.
提出了一种新的单相自激感应发电机(SEIG)电压调节方案。设计并实现了具有电子控制器的晶闸管开关电容方案,用于前期报道的单相两绕组SEIG的无功供电和电压调节[1-2]。记录的波形和测试结果验证了在实验室中实现的控制器设计的所有部分的正确和适当的操作。该方案的目的是提供一个独立的单相SEIG,具有可接受的电压调节,帮助廉价,简单的晶闸管开关电容器,适用于单相输出的低功率发电机,由任何固定速度原动机驱动,如由石油或生物燃料供电的发动机。SEIG的使用降低了系统的资本和维护成本,而电子控制器以及电容器在其输出端提供可接受的电压调节。这种系统特别适用于1至10千瓦的便携式/备用发电机组。实验结果证明了该方案在实际部署中的可行性。
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引用次数: 51
Three-Level 24-Pulse STATCOM with Pulse Width Control at Fundamental Frequency Switching 具有基频开关脉宽控制的三电平24脉冲STATCOM
Pub Date : 2010-11-01 DOI: 10.1109/IAS.2010.5614638
K. V. Srinivas, Bhim Singh
This paper presents a control methodology of a three-level 24-pulse STATCOM (Static Synchronous Compensator) with pulse width control at fundamental frequency switching and maintaining constant dc voltage. Four units of three-level neutral point clamped VSCs are used to form a quasi three-level 24-pulse STATCOM. In each three-level VSC, the pulse width of positive and negative cycles is modulated to obtain a voltage of controlled magnitude which in turn controls the reactive power of the STATCOM. A decoupled current control algorithm is used for the control of the STATCOM. The proposed model of the STATCOM is developed using MATLAB/Simulink SimPowerSystems toolboxes. The STATCOM is connected to a 132kV, 60 Hz ac system and simulation results are presented to demonstrate its dynamic performance.
本文提出了一种三电平24脉冲静态同步补偿器(STATCOM)的控制方法,该方法在基频切换时控制脉冲宽度并保持恒定直流电压。采用4个三电平中性点箝位VSCs单元构成准三电平24脉冲STATCOM。在每个三电平VSC中,正周期和负周期的脉冲宽度被调制以获得控制幅度的电压,该电压反过来控制STATCOM的无功功率。采用解耦电流控制算法对STATCOM进行控制。利用MATLAB/Simulink SimPowerSystems工具箱开发了STATCOM的模型。将STATCOM连接到一个132kV, 60hz的交流系统,并给出仿真结果来验证其动态性能。
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引用次数: 13
Implementation of a Solar Power Battery Energy Storage System with Maximum Power Point Tracking 具有最大功率点跟踪的太阳能电池储能系统的实现
Pub Date : 2010-11-01 DOI: 10.1109/IAS.2010.5614690
Y. Ke, Y. Chuang, Yuan-Kang Wu, Bo-Tsung Jou
This work implements a solar power battery energy storage system (BESS) with maximum power point tracking (MPPT) under substantial variation in temperature and intensity of illumination. A tracker is also designed based on the perturbation and observation method to track rapidly the maximum power point of the energy output of the solar cells. The power generation data are then transmitted to computers via RS232 for analysis. Next a battery charger is developed using a dsPIC30F chip. Additionally, the maximum power is output following a photovoltaic transformation by varying the illumination intensity. Moreover, the power generated by the solar cells is fed back to the lead-acid battery to supply the load.
本研究在温度和光照强度变化的情况下,实现了具有最大功率点跟踪(MPPT)功能的太阳能电池储能系统(BESS)。为了快速跟踪太阳能电池输出能量的最大功率点,设计了基于摄动观察法的跟踪器。然后将发电数据通过RS232传输到计算机进行分析。其次,利用dsPIC30F芯片开发了电池充电器。此外,通过改变照明强度,光伏转换后输出最大功率。此外,太阳能电池产生的电力被反馈到铅酸电池,以提供负载。
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引用次数: 11
Arc Flash Personal Protective Equipment - Applying Risk Management Principles 电弧闪光个人防护设备。应用风险管理原则
Pub Date : 2010-11-01 DOI: 10.1109/IAS.2010.5615025
D. Roberts
Arc flash personal protective equipment is generally selected based on one of two methods: an incident energy analysis method or a hazard/risk category method. Neither method adequately addresses the deployment of arc flash personal protective equipment using risk management principles and processes. The objective of this paper is to identify and apply risk management principles and methodology found in current standards to assist with the selection of arc flash personal protective equipment and to determine when deployment of the arc flash protective equipment is warranted.
电弧闪光个人防护装备的选择一般基于两种方法中的一种:入射能量分析法或危害/风险分类法。这两种方法都没有充分解决使用风险管理原则和流程的电弧闪光个人防护设备的部署问题。本文的目的是识别和应用当前标准中的风险管理原则和方法,以帮助选择电弧闪光个人防护设备,并确定何时需要部署电弧闪光防护设备。
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引用次数: 1
Chock Temperature Supervision Wireless System for a Tandem Cold Mill 冷连轧机轴承座温度无线监控系统
Pub Date : 2010-11-01 DOI: 10.1109/IAS.2010.5615461
J. Lopera, A. Díaz, P. Baizán, J. Rendueles, Jesus M. Perez, L. Ema
Chocks Temperature Control is a very important issue in roll life. High temperatures in the chocks can damage the bearings and even start a fire in the mill. Traditional wired systems don't offer satisfactory results, in practical use. Using Zigbee (802.15.4) wireless technology, due to its very low power consumption, temperature sensors (up to 125ºC) suitable for a tandem cold mill environment have been developed. Complete monitoring system includes repeaters, a base receiver with TCP/IP gateway, and maintenance software. Results obtained in the tandem mill are offered.
轴承座温度控制是影响轧辊寿命的一个重要问题。轴承座的高温会损坏轴承,甚至引起轧机的火灾。在实际应用中,传统的有线系统不能提供令人满意的结果。使用Zigbee(802.15.4)无线技术,由于其非常低的功耗,已经开发出适合串联冷轧机环境的温度传感器(高达125ºC)。完整的监控系统包括中继器、带TCP/IP网关的基础接收器和维护软件。给出了在连轧机上取得的结果。
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引用次数: 2
期刊
2010 IEEE Industry Applications Society Annual Meeting
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