In AC DC converter and DC AC inverter, dead time must be set to avoid short between up and down power devices of bridge arms. This will cause distortions of converter imput current and inverter output current.

1、

According to the technical specifications of DC distributor shelf in transformer substation, a high frequency AC DC switching converter has been designed, which can meet the requirements of the accumulator charging.

针对变电站直流配电屏的技术要求，设计出一种满足蓄电池充电需求的高频AC－DC开关变换器。

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2、

In this paper, the matrix converter ( MC) is considered as a virtual AC DC AC converter. Sine pulse width modulation ( SPWM) control technique is applied to control it.

通过把矩阵变换器等效为虚拟的交直交变换器，将SPWM控制技术应用于其中，提出了矩阵变换器的SPWM控制策略。

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3、

Based on hysteresis current control, the basic operation principle of PWM AC DC voltage source converter is analysed. Moreover, the design concept of the control system is described in detail.

从滞后电流控制的角度阐述了PWM电压型高频整流器的基本工作原理，较详细地介绍了控制系统的设计思想。

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4、

A mine hoist system of synchronous motor AC DC AC frequency converter and its planing scheme of computer control are given.

提出了由同步电机及交流直流交流变频器等组成的矿井提升系统并以计算机进行控制的设计方案。

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5、

The Optimal Resonant Control of a Bridge Mode Parallel Resonant DC Link AC DC Rectifier

桥式并联谐振直流环AC/DC变流器的最佳谐振控制

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6、

Saber simulation for AC DC AC drive system

用Saber作交直交系统仿真

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7、

Analysis and Design of a 500W AC DC Unity Power Factor Converter

500W单位功率因数AC-DC变换器分析与设计

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8、

A New Switched Capacitor AC DC Converter with High Efficiency

一种高效开关电容AC-DC变换器

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9、

Current Control of Double voltage Single phase PWM AC DC Rectifier

单相倍压PWM AC-DC整流器中的电流控制方法

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10、

In order to apply the theory of AC DC dual stator winding generator to asynchronous generating, a new type of 12 3 phase double winding asynchronous generator is presented for isolated applications.

12/3相双绕组异步发电机是将交直流双绕组发电理论应用到异步发电中、作为独立电源而提出的。

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11、

Research on oscillation of independent AC DC combined synchronous generator system

交直流一体独立发电机系统振荡的研究

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12、

Choice of the Best Cross Section Area Ratio of Gating System for Malleable Iron Pipe Fittings

玛钢管件浇注系统最佳断面比例的选择

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13、

Measurement of isomeric cross-section ratio

同质异能素截面比的测定与研究

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14、

On The Cross-Product Ratio of Log-linear Model

对数线性模型的叉积比诠释

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15、

This paper presents a detailed analysis to the physical meaning and calculation formula for the main parameters of nonlinear distortions in amplifier: cross modulation ratio, 2nd order cross modulation ration and 3rd order cross modulation ratio.

本文详细地分析了放大器非线性失真的主要参数&交扰调制比，二阶、三阶载波互调比的物理意义和计算公式，并由此推导出电缆电视系统的设计方法。

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16、

Cross plot ratio of social security overall performance persistence analysis shows that the Social Security Fund as a whole do not exhibits the continued performance, instead it exhibits anti-transformation characteristics.

运用交叉积比率法对社保整体的业绩持续性进行分析，发现社保基金整体不但没有呈现出业绩的持续性，反而具有反转型的特点。

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17、

The variation of the partial ionization cross section ratio versus the electron collision energy gained from spectrums is compared with experimental results obtained by K.

由此得到的部分电离截面积比对电子碰撞能量的依赖关系与K。

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18、

Evaluation of Snell Experiments& Average Fission Cross Section Ratio of Equilibrium Spectrum in a Natural Uranium

评价Snell实验&大块天然铀介质中平衡谱的平均裂变截面比

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19、

Cross modality ratio matching method

交叉感觉比率匹配法

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20、

Calculation of Cross Modulation Ratio of CATV System

CATV大系统交调比的计算

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