查询词典 converter

Some kinds of bidirectional DC/DC converter are introduced.

回顾了各种双向DC/DC变换器的发展并对其进行了总结。

In chapter four, the DSP control PPS bidirectional DC/DC converter prototype parameter is designed.

第四章设计了基于DSP控制的大功率双向DC/DC变换器的电路参数。

XC68HC11F1FN Pinout:(1) Power saving driver (2) Built in DA converter accepting 6-bit digital input (for 262,144 colors)(3) Choice of 360 and 324 drive outputs (4) Input data bus at pixel level (5) Choice of output data format: gray scale or binary (6) Eleven reference voltage inputs for producing 10 segment gamma adjustment graph.

XC68HC11F1FN引脚说明：（1）省电驱动程序（2）内置DA转换器接受6位数字输入（为262，144色）（3）选择360和324驱动器输出（4）输入的像素数据总线一级（5）输出数据格式选择：灰阶或二进制（6）11参考生产10段伽玛调整图形电压输入。

Blister copper productivity is increased by 6.0 percent, cold burden input is increased by 7.8 percent and average converter life-span is improved from 213 to 235 by 10.3 percent.To improve the Intelligent Decision Support System, an information integration system is developed including management, monitoring and decision-making. It is applied in a factory. The computerized decision-making, status monitoring and management are realized. Therefore, better economic benefit is achieved.

为提高智能决策支持系统的信息集成度与决策精确度，研制并建成了集管理、监测和决策于一体的铜锍吹炼炉信息集成系统并投入使用，从而实现了生产过程决策、生产状况监测和各类管理的计算机化并获得了显著的经济和社会效益。

The converter combines the advantages of the PWM technique and soft-switching technique, the PWM is effected all over the whole loads range, and soft-switching is effeted only in the switching transition period, the ZVS of leading-leg is achieved by using the energy stored in leakage inductor of the transformer and the output inductor, the ZCS of lagging-leg is achieved by using a blocking DC capacitor, the ZVS and ZCS are achieved for the whole load ranges (5A~250A).

控制电路采用相移控制方式，综合了PWM控制和软开关技术的优点，在大范围内实现PWM控制，而在功率器件换流期间实现软开关换流，其中超前桥臂利用变压器的漏感，实现了零电压开关，滞后桥臂利用隔直电容，实现了零电流开关，并且整个变换电路能在（5A~250A）的范围内实现软开关工作条件，满足弧焊电源负载变化大的特点。

To maintenance and replacement the power module, you shouldn't pull out the fiber optic media converter, and shouldn't take down the rack mount, only need to pull out the blooey power module to repair or updating, make the maintenance convenience and shortcut.

维修和更换电力模块，你不该拔出光纤媒体转换器，不要抄铁架山、只需拔出热泵功率模块修复或更新，使维修方便，捷径。

Based on the analysis of micro -bolometer resistance -temperature characteristics, a new readout circuit was proposed. It allowed micro -bolometer operate without a temperature stabilizer over a wide range of ambient temperature. And it need a Flash memory to store the correcting factors of different temperatures and a temperature sensor to detect the ambient temperature of the micro -bolometer. By utilizing the factors in the Flash memory, Digital Analog Converter controls the micro -bolometer bias current to compensate the fluctuation of ambient temperature.

通过对微测辐射热计的电阻温度特性的分析，设计了一种新型无需温度稳定装置的读出电路，该电路的Flash存储器存储不同温度下的校正系数，温度传感器实时检测探测器的环境温度，从Flash中取出相应的温度校正系数送入数模转换器，通过DAC的电压输出来控制探测器偏流以进行环境温度补偿。

In the dissertation, principles of phase-shifted full-bridge ZVS PWM and push-pull boost converter are analyzed; Reason of duty ratio dropping out and solution measures are introduced at the same time; The magnetic biasing and ZVS methods of Lagging brachium are studied detailedly in the bidirectional DC converters.

在本文中首先分析了移相全桥式ZVS-PWM功率变换和推挽式DC／DC Boost功率变换的工作原理，分析了移相全桥式滞后臂实现零电压关断困难以及占空比丢失的原因以及采取相应的改善措施，分析了双向DC／DC变换器产生偏磁的原因以及采取抗偏磁的措施。

The steady-state operating characteristics of the proposed DC-DC converter topology are illustrated and discussed on the basis of the simulation and some experimental results of 2kW-4OHz breadboard set up.

不过，大部分的零电压开关PWM DC - DC变换器发达以前，包括一些弊端，如负荷依赖软开关运作，相对狭小的范围和零电压转换器效率降低，由于大循环电流流经。

The integration of two inductors and one transformer for asymmetrical half bridge current doubler rectifier converter is introduced in this paper .

中文摘要：本文结合不对称半桥倍流整流变换器，介绍了两个电感与一个变压器的集成。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。