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phase converter相关的网络例句

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Fluid strength torque converter although can stepless change the torque in certain scope compared to, but because it exists changes turns between ability and the efficiency contradiction, at present the application fluid strength torque converter generally changes turns the coefficient insufficiently to be all big, satisfies the automobilism request with difficulty, therefore on the high-quality passenger vehicle, widely uses is fluid strength torque converter and the gear type transmission gearbox union composition fluid strength mechanical type variator.

液力变扭器虽然能在一定范围内无级地改变扭矩比,但由于它存在着变扭能力与效率之间的矛盾,目前应用的液力变扭器一般变扭系数都不够大,难以满足汽车使用要求,故在高级轿车上,广泛采用的是液力变扭器与齿轮式变速器联合组成液力机械式无级变速器。

When compared with TL Buck converter, efficiency of this new converter is higher and the DC voltage blocking capacitor[1] can be smaller, when compared with double frequency Buck converter, voltage stress of the high frequency switches is lower, the output capacitor and inductor is smaller, and the dynamic load characteristic is better.

与三电平Buck变换器相比,复合双频Buck变换器具有较高的效率,而且其"隔直"电容可以取得更小。与双频Buck变换器相比,其具有高频开关电压应力低,输出滤波电感、滤波电容小,动态负载性能好等优点。

The dynamic performances of the II type and mainframe tripled frequency converter are researched, on the basis of which the experimental mode test of the II type tripled frequency converter is completed and the shell of the mainframe tripled frequency converter is optimized, which has laid the foundation for the following design and improvement.

本文主要针对Ⅱ型三倍频组件和主机三倍频组件的动态性能进行了研究,并在此基础上完成了Ⅱ型三倍频组件的实验模态测试和主机三倍频组件壳体的结构优化,为后续的设计和改进奠定了基础。

The computer separately connects and controls the I/O end and A/D converter; the I/O end connects and controls the X, Y axis driving circuit and the semiconductor laser; the X, Y axis step-by-step driving circuit connects and controls the X, Y step-by-step electrical machines to control the dimensional platform; the beam of the semiconductor laser passes through the focusing drawtube with 0.1mm diameter to form the facula with the diameter less than 0.1mm; the facula irradiates on the detector surface of the XY dimensional displacement platform to produce the corresponding electric signals; the detector surface connects the A/D converter through the amplifier; the electrical signal is amplified and is converted into the data signal by the A/D converter and is sent to the computer for processing.

由计算机分别连接并控制I/O端口和A/D转换器,I/O端口分别连接并控制X、Y轴步进电机驱动电路和半导体激光器,X、Y轴步进电机驱动电路分别连接并控制X、Y轴步进电机,从而控制二维位移平台,半导体激光器的光束经过设有直径0.1mm小孔的聚焦镜筒形成<0.1mm直径的光斑,光斑照射于设在XY二维位移平台上的探测器表面使其产生响应的电信号,探测器表面经放大器连接A/D转换器,电信号经放大器放大后,由A/D转换器转换为数据信号送计算机处理。

In this article two functional modes of the Fly-back Converter (Continuous Conduct Mode and Discontinuous Conduct Mode) are particularly analyzed, which include their characteristics, applications, the critical pattern of two functional modes is argued, both the exact boundary from the angle of circuit parameters is crystallized, at the same time, basic principle of PFC under the DCM mode is introduced, which settle theoretical basis for the subsequent design; by establishing the mathematic model of the converter, a further investigation of the configuration is made, qualitatively and quantitatively, analyzed to settle exactly theoretical basis for the subsequent emulation and the experimental parameter; from the angle of steady-state analysis, the transfer function of the system is deduced to establish dynamic small-signal state equation, emulating the system with the help of matlab, then according to the simulation result and the theory of PFC revise the system, lastly, we adopt the project which add a zero-pole compensator to the voltage loop, by this way, a satisfied system performance is gained and the PFC scheme is ensured successfully; finally, based on the previously-done work, we combining with the situation of specific design requirement, acquired the numerical value of each unit devices in this converter

详细分析了反激式变换器的两种工作状态,连续模式(Continuous Conduct Mode ,简称CCM)和断续模式(Discontinuous Conduct Mode,简称DCM)以及各自的特点、应用场合,论证了两种工作状态的临界模式,从电路参数的角度明确了二者的界限,同时还介绍了DCM模式下PFC的基本原理,为后面的设计奠定理论基础;通过对整个变换器系统建立准确的数学模型,对此变换器的电路结构做了进一步的研究,定性、定量地分析了变换器各部分的工作状态,为仿真和实验参数的确定以及电路参数的优化提供理论依据;从稳态分析的角度,为系统建立了动态小信号状态方程并推导出系统的传递函数,利用matlab对系统进行仿真,进而根据仿真结果以及PFC的相关理论对系统进行校正,采用在电压环加入零点—极点补偿器的设计方案,得到了满意的系统特性并且保证了PFC的顺利实现;最后,在前面所做工作的基础上,结合设计要求计算出此变换器系统中每个元器件的数值,利用Pspice对其进行了仿真、优化,然后根据仿真结果搭建了硬件电路。

Due to the high reliability, high stability and low EMI criterions in auxiliary power supply systems, the half-bridge LLC resonant converter is selected for the front-end converter, the AC bus architecture and full-wave rectifier are as well utilized. The turns-ratio between the AC bus and load converter is 1:1. The effect of beads which are used in the load converters to the resonant circuit is analyzed.

根据辅助电源高可靠性、高稳定性、低电磁干扰、良好的高频隔离的要求,通过对不同拓扑类型的分析比较,选择半桥LLC谐振变换器作为前级变换器,交流母线和零式全波整流结构作为后级变换器,在母线和后级变换器的连接上采用1∶1的隔离变压器连接。

Relative study indicate that current doubler rectifier is misfit for high-voltage low-current apply.so This paper proposes a auxiliary net ZVS PWM full-bridge three-level converter, its" improved topology structure and its"topology family in different controlling mode. The principle of these converter is analyzed in detail. Simulation results verify the effectiveness of the proposed converter.

为了进一步简化辅助网络的结构,并解决轻载时,超前桥臂实现软开关困难的问题,提出了一种新型宽负载范围辅助电感ZVS PWM三电平全桥直流变换器,它在基本拓扑结构的基础上只需增加一个辅助电感,利用辅助电感的能量就可以实现宽负载范围内所有开关管的软开关,详细分析了该变换器的工作原理,进行了参数设计和仿真验证。

The theoretical analysis and simulation results of 1kW 40~60VDC/380VDC full-bridge Boost mode two-input DC-DC converter have shown that the converter has the advantages such as double isolation among multiple input sources and between output and input of the converter, simple topology, strong voltage matching ability, multiple input sources can supply the power simultaneously or individually, small input current ripple, high power density, high conversion efficiency, high reliability at short circuit, magnetic flux of high-frequency transformer easy to add up etc.

1kW 40~60VDC/380VDC全桥Boost型双输入直流变换器的理论分析和仿真结果表明,这种变换器具有多路输入源之间以及输出与输入源之间双隔离、电路拓扑简洁、电压匹配能力强、多路输入源可同时或分时供电、输入电流纹波小、功率密度高、变换效率高、负载短路时可靠性高、高频变压器磁通易于叠加等优点。

SEPIC (Single-Ended Primary Inductance Converter) is used from non-isolation DC-DC converter and applied it to the Stand-alone solar power charge controller. SEPIC integrates digital charge controller design, mix the constant current/voltage charge and maximum power point tracking in order to promote the efficiency of converter to whole system.

中文摘要本论文利用非隔离式DC-DC电力转换器中的SEPIC(Single-Ended Primary Inductance Converter),将其应用在独立型太阳能充电控制器上,结合数位化充电控制器设计、混合定电流定电压及最大功率追踪控制,进而提升整体系统之电力转换效率。

The results of theoretical analysis and simulation indicate that commutation converter based on New-Type converter transformer-Filter Commutated Converter have superiority on harmonic characteristics.

理论分析和数字仿真结果均说明了基于新型换流变压器的换相换流器—滤波换相换流器在谐波特性方面的优越性。

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相关中文对照歌词
Phase
Topeka
Tsunami (Jump)
Mariane
Crazy
Phase
Just A Phase
Honeymoon Phase
Phase Too
Call The Shots
推荐网络例句

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。

I think we have to be very careful in answering these questions, because nothing is really so simple.

我认为,我们在回答这些问题的时候应该非常谨慎,因为事情远没有那么简单。