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PESC Record. 27th Annual IEEE Power Electronics Specialists Conference最新文献

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Practical design methodology of auxiliary resonant snubber inverters 辅助谐振缓冲器的实用设计方法
Pub Date : 1996-06-23 DOI: 10.1109/PESC.1996.548616
J. Lai
This paper describes the design methodology for auxiliary resonant snubber inverters including /spl Delta/- and Y-configured auxiliary resonant snubber inverters. The design emphases are resonant circuit components including inductor, capacitor, end switch, DC link capacitor, and control technique. Design optimization can be aimed at high efficiency, high frequency, low dV/dt, or compact size. An example of designing a three-phase 100 kVA unit is described step by step. Hardware implementation and experimental results are shown for verification.
本文介绍了辅助谐振缓冲器逆变器的设计方法,包括/spl Delta型和y型辅助谐振缓冲器逆变器。设计重点是谐振电路的组成,包括电感、电容、端部开关、直流链路电容和控制技术。设计优化可以针对高效率,高频率,低dV/dt,或紧凑的尺寸。介绍了一个三相100kva机组的逐步设计实例。给出了硬件实现和实验结果进行验证。
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引用次数: 58
Twelve pulse parallel rectifier with a new topology for the output low-pass filter 12脉冲并联整流器与一个新的拓扑输出低通滤波器
Pub Date : 1996-06-23 DOI: 10.1109/PESC.1996.548705
V. Pires, J. Silva, A. Anunciada
Twelve pulse parallel rectifiers provided with interphase reactors and passive LC output low-pass filters, designed to minimise the input current distortion factor and the output voltage ripple are optimised. A new filter topology is used, where the interphase inductors perform a double function, acting as decoupling reactors and as filter inductors. Adding only three capacitors, it is possible to integrate the output LC filter and the interphase reactors, optimising the rectifier weight, volume and cost. Values for L and C are shown as functions of the minimum current in the continuous mode of operation and of the minimum attenuation specified. Simulation and experimental results are shown.
12个脉冲并联整流器配备了相间电抗器和无源LC输出低通滤波器,旨在最大限度地减少输入电流失真系数和输出电压纹波。采用了一种新的滤波器拓扑,其中相间电感执行双重功能,作为去耦电抗器和滤波电感。只需添加三个电容器,就可以集成输出LC滤波器和间相电抗器,从而优化整流器的重量、体积和成本。L和C的值表示为连续工作模式下的最小电流和规定的最小衰减的函数。给出了仿真和实验结果。
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引用次数: 6
Current-clamped resonant inverter: analysis and design as a high pressure sodium lamp ballast 电流箝位谐振逆变器:高压钠灯镇流器的分析与设计
Pub Date : 1996-06-23 DOI: 10.1109/PESC.1996.548704
J. Alonso, C. Blanco, A.J. Calleia, E. López, M. Rico
The aim of this paper is to show the possibilities of the current-clamped resonant inverter as a high intensity discharge (HID) lamp ballast. The steady-state analysis is performed and a prototype for a 150 W high pressure sodium lamp is designed. Prototype implementation, including igniting circuitry, and experimental results are also shown. The proposed topology is oriented to work with a previous PFC stage in order to implement a high-power-factor high-efficiency ballast for HID lamps.
本文的目的是展示电流箝位谐振逆变器作为高强度放电(HID)灯镇流器的可能性。进行了稳态分析,并设计了150w高压钠灯样机。给出了样机的实现,包括点火电路,以及实验结果。所提出的拓扑结构面向与先前的PFC级一起工作,以便为HID灯实现高功率因数高效率镇流器。
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引用次数: 6
DSP based control of high power static VAr compensator using novel vector product phase locked loop 基于DSP的大功率静态无功补偿器矢量积锁相环控制
Pub Date : 1996-06-23 DOI: 10.1109/PESC.1996.548587
G. Jung, G. Cho, Soon W. Hong, Gyu-Ha Cho
This paper presents a new dual loop control using novel vector product phase locked loop (VP-PLL) for a high power static VAr compensator (SVC) with three-level GTO voltage source inverter (VSl). Through circuit DQ-transformation method, a simple DQ-axis equivalent circuit is obtained. From this, DC analysis is carried out to obtain maximum controllable phase angle /spl alpha//sub max/ per unit current between the three phase source and the switching function of the inverter, and AC open-loop transfer function is given. Because /spl alpha//sub max/ becomes small in high power SVC, this paper proposes VP-PLL for more accurate a control. As a result, the overall control loop has dual loop structure, which consists of inner VP-PLL for synchronizing the phase angle with source and outer Q-loop for compensating reactive power of load. Finally, the validity of the proposed control method is verified through the experimental results.
针对大功率静态无功补偿器(SVC)和三电平GTO电压源逆变器(VSl),提出了一种新型的矢量积锁相环(VP-PLL)双环控制方法。通过电路dq变换方法,得到了一个简单的dq轴等效电路。由此进行直流分析,得到三相源与逆变器开关函数之间单位电流的最大可控相角/spl alpha//sub max/,并给出交流开环传递函数。由于/spl alpha//sub max/在大功率SVC中变得很小,本文提出了VP-PLL来实现更精确的控制。因此,整个控制回路具有双环结构,由内VP-PLL与源相角同步,外q环补偿负载无功。最后,通过实验结果验证了所提控制方法的有效性。
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引用次数: 21
Averaged modelling and nonlinear control of an ASVC (advanced static VAr compensator) 先进静态无功补偿器的平均建模与非线性控制
Pub Date : 1996-06-23 DOI: 10.1109/PESC.1996.548666
P. Petitclair, S. Bacha, J. Rognon
This paper deals with the modelling and control of an advanced static VAr compensator (ASVC) or STATCON. A time invariant model is obtained. This model is used to design an efficient nonlinear control law. Simulations are carried out to validate both the time invariant model and the nonlinear control law.
研究了一种先进的静态无功补偿器(ASVC)或STATCON的建模与控制。得到了一个时不变模型。利用该模型设计了有效的非线性控制律。通过仿真验证了所建立的时不变模型和非线性控制律的正确性。
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引用次数: 52
Overmodulation strategy for high performance torque control 高性能转矩控制的过调制策略
Pub Date : 1996-06-23 DOI: 10.1109/PESC.1996.548787
J. Seok, Jhoon-Sheok Kim, Jong-Woo Choi, S. Sul
In the overmodulation region, the operation of the electrical drive system with a current controller is characterized by a rapid deterioration of the motor torque and speed. It is desirable to use the overmodulation strategy that extends the normal operating range even in the transient state. In this paper, in order to improve the dynamic characteristics of the electrical drive, a new overmodulation technique is proposed. Considering the current transition characteristic, an efficient overmodulation strategy is introduced to achieve better transient performance through adequate voltage selection. With the help of new overmodulation strategy, the required electrical torque can be directly produced as quickly as possible and stable machine drive characteristics can be achieved even in the transient condition. The proposed method has been implemented on an actual inverter system and thoroughly tested on a 900 W interior permanent magnet synchronous motor (IPMSM) to confirm its feasibility.
在过调制区,采用电流控制器的电驱动系统的运行特点是电机转矩和转速的迅速劣化。我们希望使用过调制策略,即使在瞬态状态下也能延长正常工作范围。为了改善电驱动的动态特性,本文提出了一种新的过调制技术。考虑到电流的过渡特性,引入了一种有效的过调制策略,通过适当的电压选择来获得更好的瞬态性能。在新的过调制策略的帮助下,可以尽快直接产生所需的电转矩,并且即使在暂态状态下也可以实现稳定的机器驱动特性。该方法已在实际逆变系统上实现,并在900w内嵌式永磁同步电机(IPMSM)上进行了全面测试,验证了其可行性。
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引用次数: 80
A lossless commutation PWM full-bridge DC-DC converter using phase shift control 采用相移控制的无损换相PWM全桥DC-DC变换器
Pub Date : 1996-06-23 DOI: 10.1109/PESC.1996.548837
A.A. Pereira, E. Coelho, V. J. Farias, J. B. Viera, L. Ca
This paper presents a self resonant PWM full-bridge DC-DC converter using phase shift control. This approach is based in the principle of the self-resonance, that is: an auxiliary voltage source feeds the resonant circuit, charging the capacitor which provides the condition for the zero voltage switching (ZVS) of the main switches. The proposed approach allows building a converter with high power density and high operation efficiency capable of operating over all the load range. The operating principle, theoretical analysis, simulation and experimental results are presented.
本文提出了一种采用移相控制的自谐振PWM全桥DC-DC变换器。这种方法是基于自谐振原理,即:一个辅助电压源馈入谐振电路,给电容充电,为主开关的零电压开关(ZVS)提供条件。所提出的方法允许构建具有高功率密度和高运行效率的转换器,能够在所有负载范围内运行。介绍了其工作原理、理论分析、仿真和实验结果。
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引用次数: 4
Current control in fully digital VSI fed SMPM synchronous motor drive systems 全数字VSI馈动同步电机驱动系统的电流控制
Pub Date : 1996-06-23 DOI: 10.1109/PESC.1996.548790
Y. Fu, É. Gilson, J.L. Debauche, F. Labrique, H. Buyse
This paper presents a comprehensive analysis of the problems related to the implementation of the motor field oriented control in a fully digital control of a VSI fed PM synchronous motor drive system. All discrete effects involved in this process are taken into account; either they are related to the sampling introduced by the digital controller, or to the use of a PWM inverter as power amplifier. Experimental results confirm the theoretical analysis.
本文全面分析了在VSI馈动永磁同步电机驱动系统全数字化控制中实现电机磁场定向控制的相关问题。该过程中涉及的所有离散效应都被考虑在内;它们要么与数字控制器引入的采样有关,要么与使用PWM逆变器作为功率放大器有关。实验结果证实了理论分析。
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引用次数: 4
Analysis and design of a flyback zero-current switched (ZCS) quasi-resonant (QR) AC/DC converter 反激零电流开关(ZCS)准谐振(QR) AC/DC变换器的分析与设计
Pub Date : 1996-06-23 DOI: 10.1109/PESC.1996.548623
G.A. Karveis, S. Manias
The flyback zero-current switched quasi-resonant AC/DC converter, functioning as a power factor correction regulator, is presented and analyzed in detail in this paper. Only one active switch with simple control logic is required to achieve both input current waveshaping and output voltage regulation. The investigation of voltages and currents in the converter is followed by simulation and leads to a design example in order to verify the theoretical results. Finally, an experimental unit of 120 W was built, which confirmed the analysis and simulated results.
介绍并详细分析了作为功率因数校正调节器的反激式零电流开关准谐振AC/DC变换器。只需一个具有简单控制逻辑的有源开关即可实现输入电流整形和输出电压调节。对变换器中的电压和电流进行了研究,并进行了仿真,最后给出了一个设计实例来验证理论结果。最后搭建了120w的实验装置,验证了分析和仿真结果。
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引用次数: 2
Regenerative signal amplifying gate driver of self-excited electronic ballast for high pressure sodium (HPS) lamp 高压钠灯自激电子镇流器的再生信号放大栅极驱动器
Pub Date : 1996-06-23 DOI: 10.1109/PESC.1996.548703
Yong-Sik Youn, G. Cho
A regenerative signal amplifying gate driver of a self-excited electronic ballast is presented. It can be used for a high pressure sodium (HPS) lamp without an auxiliary external ignitor. Since the HPS lamp requires very high ignition voltage at start up, the resonant frequency of the circuit must be increased to obtain high voltage oscillations in spite of relatively small resonant current. The presented gate driver amplifies the current of the gate drive transformer and raises the gate-source voltage quickly to turn on the MOSFET switches. Hence, the resonant frequency can be increased more than 100 kHz for large size switching devices. Besides, to protect the ballast from being destroyed, overvoltage/current protection and trigger delay circuits are designed. The HPS lamp used in the simulation and experiment has the rating of 400 W input power at 220 V input AC voltage source. The experiments show that the resonant frequency is above 150 kHz at start up and the inverter stops its operation by the overvoltage/current protection at nearly 3000 V.
介绍了一种自激电子镇流器的再生信号放大栅极驱动器。它可以用于高压钠灯(HPS)没有辅助外部点火器。由于HPS灯在启动时需要非常高的点火电压,因此尽管谐振电流相对较小,但必须提高电路的谐振频率才能获得高电压振荡。所提出的栅极驱动器放大栅极驱动变压器的电流,并快速提高栅极源电压,从而打开MOSFET开关。因此,对于大尺寸开关器件,谐振频率可以提高到100 kHz以上。此外,为了保护镇流器不被破坏,还设计了过压/电流保护和触发延迟电路。仿真和实验中使用的HPS灯在220v输入交流电压源下额定输入功率为400w。实验表明,逆变器在启动时谐振频率在150khz以上,逆变器在近3000v的过压/电流保护下停止工作。
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引用次数: 7
期刊
PESC Record. 27th Annual IEEE Power Electronics Specialists Conference
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