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two transformers
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  双变压器
     ANALYSIS OF FORWARD-FLYBACK CONVERTER EMPLOYING TWO SWITCHES AND TWO TRANSFORMERS
     一种双管双变压器结构的正-反激组合变换器的分析(英文)
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  “two transformers”译为未确定词的双语例句
     According to the power-load and the quantity of enterprises in Wutong County, the construction scale of Wutong 220kV substation project is determined. The main engineering include: (1) 6km' s 220kV lines and 150km' s HOkV lines, (2) two transformers each one' s capacity is 150mVA, (3) twelve 220kV intervals, (4) fourteen HOkV intervals, (5) a group of capacitor.
     根据五乐通区大工业企业数量和负荷轻重,确定项目工程建设规模,主要工程有:(1)220kV线路6km和110kV线路150km,(2)容量150mVA的变压器2台,(3)220kV间隔12个、(4)110kV间隔14个,(5)电容器1组。
短句来源
     Two transformers of z-type transformer and Y0/Δ transformer are introduced, and current distribution in a grounding transformer when single-phase grounding occurs is analyzed.
     对两种常用的接地变:Z型变和Y0/Δ型变进行了说明,并分析了单相接地时接地变的电流分布。
短句来源
     The physical mechanism of the sympathetic interaction between two transformers caused by inrush transients and its influence on differential protection are analyzed.
     分析了和应涌流产生的物理机理及其对差动保护的影响。
短句来源
     Through installation,commissioning and operation,the system is proved to have increased operation flexibility and power supply reliability,and brought great convenience to the planned maintenance and fault treatment of the two transformers.
     该系统经安装、调试、运行后,增加了两期工程运行方式的灵活性及供电的可靠性,给计划检修及故障处理提供了极大的便利。
短句来源
     There are three transformers of 1 600kVA for frequency speed control of pumping assemblies and two transformers of 630kVA for industrial power supply in the Huiyang Waterworks. A lorry switch cabin was installed at the high voltage side of each transformer for on off operation and a relay of type SPAJ141C was installed to each switchboard for over current and earth fault protections.
     惠阳水厂装有3台1600kVA调速泵变频器专用变压器和2台630kVA厂用变压器,在每台变压器的高压侧采用进口手车式开关柜实施分、合闸操作,每台开关柜装备1只SPAJ141C型继电器实施变压器的过电流和接地故障保护。
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  相似匹配句对
     Two.
     二.
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     Two.
     二、末日意识
短句来源
     The Design of Two Types of Oscilloscope Transformers
     两种示波器用多路转换器的设计
短句来源
     Characteristics Analysis of Two Voltage Regulating Transformers
     对两种不同调压变压器的特点分析
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     SUPERCONDUCTING POWER TRANSFORMERS
     超导变压器
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  two transformers
The system has two generators, two transformers, and two capacitor banks as shown.
      
This implies that one should attempt to transfer the minimum load that would take one of the two transformers to a TLI = SLI.
      
Thus watts loss to room due to the two transformers is 30 KW.
      
It is assumed that in urban areas there are two transformers at a substation while substations in rural areas have only one.
      
Figure 2 shows a typical 12-pulse inverter arrangement utilizing two transformers with their primaries connected in series.
      
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According to the steel core's saturation-bysteresis rela tionship between MMF and flux, its non-linear magnetic characteristic is accuratly simulated by two sets of input-output trajectories. This paper describes an electromagnetic circuit model of 3-phase bank o:f single-phase transformers and 3-phase (3-limb) core type transformers whose windings are .connected in Y, Y0 and △. The magnetizing inrush curT.enL of unloaded transformer is computed under consideration of special initial conditions and actual parameLers...

According to the steel core's saturation-bysteresis rela tionship between MMF and flux, its non-linear magnetic characteristic is accuratly simulated by two sets of input-output trajectories. This paper describes an electromagnetic circuit model of 3-phase bank o:f single-phase transformers and 3-phase (3-limb) core type transformers whose windings are .connected in Y, Y0 and △. The magnetizing inrush curT.enL of unloaded transformer is computed under consideration of special initial conditions and actual parameLers of the two transformers. It is proved by experiment that the mathematic model and calculation program proposed in the paper are correct.

根据电工钢磁势与磁通的饱和及磁滞性质,利用两对输入输出曲线精确地模拟了非 线性的磁化特性。对三单相铁芯和三相三柱式铁芯、三相统组Y,Y0和△接线方式的 变压器建立了电磁回路数学模型,根据两台三相变压器的实有参数和特定原始条件进行 了空载合闸的励磁涌流仿真计算。试验证明:文中提出的数学模型和计算程序是正确的。

In this paper, the leakage reactance of transformer is computed by using image method. The calculated results of two transformers show that the accuracy of the method can be compared with second-order triangular element method with smaller elements, however the method occupies much smaller storage elements of computer.

本文对用镜像法计算变压器的漏电抗进行了研究,并实算了两台大型变压器的漏电抗.计算结果与用六节点三角元细剖分时算得的漏抗精度相当,而用本文的方法所需计算机内存极小.

Presents the complete analysis of an integrated fly forward converter. The operational principles of the converter with LCD snubber circuit are described in detail. The equivalent circuits and differential equations in each state are given. 50 W100 kHz breadboard prototype is established. Experimental waveforms are provided, and they verify the theoretical analysis. It is shown that the two transformers transfer energy to load in turn. The LCD snubber circuit makes power device soft switching possible...

Presents the complete analysis of an integrated fly forward converter. The operational principles of the converter with LCD snubber circuit are described in detail. The equivalent circuits and differential equations in each state are given. 50 W100 kHz breadboard prototype is established. Experimental waveforms are provided, and they verify the theoretical analysis. It is shown that the two transformers transfer energy to load in turn. The LCD snubber circuit makes power device soft switching possible and feeds surplus energy back to source, reducing the switching losses and having higher efficiency.

正-反激组合式变换器中,两个变压器轮流向负载传递功率,LCD缓冲网络实现了功率器件的零电压关断,并且将多余的能量回馈电网,减小了关断损耗,提高了效率。文中详细分析了该变换器的工作原理,列出了各种工作状态下的等值电路和微分方程,给出了各工作状态转换的条件,并绘制了50W100kHz实验电路的实验波形,验证了理论分析的正确性。

 
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