Analysis of medium-frequency oscillation in the Boost power factor correction converter with average current mode control 平均电流控制型Boost功率因数校正变换器中的中频振荡现象分析
A parallel-inverter system based on the average current control scheme is studied in this paper. 研究了基于平均电流控制的逆变器并联系统。
Research on Average Current Control of Three-phase DC Link Parallel Active Power Filter 平均电流控制三相直流侧并联型有源电力滤波器的研究
Now consider average current account deficits over 1999-2007. 再来看看1999年至2007年间经常项目赤字的平均水平。
Main machine and motor connected through the fluid coupling, it can shorten the motor start-up time, reduce the average current during start and prevent overload of the power. 主机和电动机通过液力偶合器连接,能够缩短电机起动时间,减少起动过程中的平均电流,防止动力过载。
The converter use ZVS-PWM technique and the average current mode control method, and the use of maximum current flow to achieve automatic multi-parallel current. 该变流器应用ZVS-PWM技术和平均电流模式控制方法,并采用最大电流自动均流法实现多机并联均流。
Modeling and Sliding Mode Control of the Average Current Mode Parallel-Connected Buck Converters 平均电流型并联Buck变换器的建模及滑模控制
Its advanced current sensing circuitry employs sample and hold methods to provide a precise average current signal. 其先进的电流检测电路采用采样和保持方法,以提供精确的平均电流信号。
Due to high frequency short pulse electrochemical machining ( HSPECM), machining gap model is built and the detection of interelectode gap average current is put forward. 针对高频窄脉冲电化学加工,对加工间隙进行建模分析,提出了间隙平均电流检测法。
The operating principle of CCM circuit controlled by the average current and the correction procedure are analyzed in detail. 重点分析了平均电流控制的CCM电路工作原理,对其功率因数校正过程作了详细的分析。
The average flux-flow resistivity depending on the average current density and temperature is also calculated with above distributions. 应用二维场量分布进一步得到了平均磁流阻率随电流密度和温度的变化特性。
The influence of the average current density on the deposition rate and appearance, microhardness, and microstructure of the as-deposited Fe coating was investigated. 研究了平均电流密度对铁镀层的沉积速度、外貌、显微硬度和显微结构的影响。
The effects on the average current density, the inlet flow rate and inlet temperature of the fuel and oxidant on the performance of the steady and transient operation are analyzed in detail. 分析了平均电流密度、燃料和氧化剂进口温度和流量对电池稳态和非稳态性能的影响;
The silver content of the deposits decreases with an increase of the average current density or the on-time. 镀层银含量随平均电流密度或导通时间的增大而减少,提高镀液中银的浓度有利于获得高银含量镀层。
The structure of average current controlled power factor correction ( PFC) Boost converter is introduced, and its working principle is analyzed. 介绍了平均电流控制型PFCBoost变换器的结构,分析了其工作原理。
The thesis also analyzes the average current type of PFC, and gives a design of the former PFC circuit of 1100W switching-power. The key practical techniques of the design are discussed. The experiments have been completed and satisfied results are obtained. 论文还研究了平均电流型PFC电路,并设计了1100W开关电源前级的功率因数校正电路,分析了其中实用关键技术,完成了实验研究,获得了满意的试验结果。
The visualization of representative day ( Root Mean Square Current, Average Current and Equivalence Resistance algorithms) and Allot Load According to Transform Capacity method are realized. 实现了代表日方法(包括均方根电流法、平均电流法和等值电阻法等算法)和按配变容量比例分配负荷的方法的可视化。
Experiment results indicate: alternating current corrosion have relation with voltage Resistance ratio, average current density and expose area. 实验结果表明:交流腐蚀应当和电压、电阻率、平均电流密度和泄露面积等因素有关。
Average current mode control and its application in APFC APFC技术中的平均电流型控制及其应用研究
The principle and implementation of the average current mode control was deeply analyzed in this thesis. 本文中对于平均电流模式控制的工作原理和具体实现进行了深入分析。
The current efficiency was determined by many experiments, and the average current efficiency was 96.7%. 通过大量试验测定了阴极板在实际电解条件下的电流效率,电流效率的平均值为96.7%,并且数据波动很小,比较稳定。
Average current control mode is an effective way to improve dynamic adjustment performance and stability of Boost converter. 平均电流控制模式是提高Boost变换器稳定性和动态调节特性的有效方法。
Determined to use average current control as the control strategy by analysis on general control and some advanced control method. 通过比较分析常用的控制方法和一些先进的控制方法,确定采用平均电流控制作为本文的控制策略。
After that, voltage mode control, peak current mode control and average current mode control are listed. The average current mode control is analyzed for detail and the design procedure is given too. 然后介绍了开关电源常见的三种控制方式:电压模式控制、峰值电流模式和平均电流模式控制,其中详细介绍了平均电流模式控制,给出了设计思想和步骤。
The traditional average current mode control strategy and the improved average current mode control strategy are tested Respectively. 分别对传统平均电流模式控制策略及改进型平均电流模式控制策略进行了实验测试。
The experiment results verify that the improved linear average current control can eliminate input current distortion. 实验结果表明,相较平均电流控制,改进的线性平均电流控制可以有效减小电流畸变。
The electrowinning experiment results show that the average current efficiency is 92.94%. 对净化后液进行了电积试验,平均电流效率达到92.94%。
The average current control method can be applied to experimental prototype. 完成一台实验样机,该实验样机也可进行平均电流控制。
This arithmetic replaces the current loop of average current control as duty cycle prediction. 这种算法以占空比预测的方式代替了平均电流算法中电流环。