1、

Influence of Power Supply Frequency on Output Characteristic of Differential Transformer

电源频率对差动变压器输出特性的影响分析

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2、

Criterion Selection of Power Supply Frequency for Magnetic Stirrer

选择电磁搅拌器电源频率的判据

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3、

Particularly introduces the measure theory of frequency and phasic dispersion, A/ D conversion, and gives the system ′ s power supply, then discusses several data transmission methods: RS 485, CAN, and GPRS communication.

详细介绍了频率、相位差的测量原理和A/D转换,以及系统所需电源的电路设计。并且讨论了几种数据传输的方式:RS485通信、CAN通信及GPRS通信。

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4、

New Torque Calculation Method on Three-Phase Induction Motor under the Supply of Frequency Converter

变频电源供电下三相异步电动机转矩计算的新方法

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5、

Thyristor Medium Frequency Power Supply by Means Microcomputer Control System

微机控制的晶闸管中频电源

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6、

Research of Start Circuit for Thyristor Medium Frequency Power Supply

晶闸管中频电源起动电路的研究

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7、

Reformation of the Thyristor Medium Frequency Power Supply in the GW 0 5 t Coreless Induction Furnace

GW-0.5t无芯感应熔炼炉可控硅中频电源改造

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8、

basic principle and deduction procedure are explained. a harmonics control way of output voltage of cascaded multilevel inverter in high frequency induction hearting power supply is presented.

详细论述了该方法的基本原理和数学递推过程。提出了高频感应加热电源级联型多电平逆变器输出电压的谐波控制方法。

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9、

In the full-bridge thyristor shunt-wound inversion power supply, the efficiency of heating smaller forgings limited by the working frequency is low because of the high output voltage, the long induction coil, and the great noise.

由于全桥晶闸管并联逆变电源的输出电压高,感应圈长,噪声大,受工作频率限制,加热中小锻件的效率低。

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10、

High frequency power supply for electrostatic precipitator has some excellences such as high efficiency, short time of spark recovery and small volume.

高频静电除尘电源具有效率高、火花恢复时间短、体积小等一系列优点。

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11、

Application of optical fiber in 600 kV high voltage medium frequency isolated power supply

光纤在600KV高压中频隔离供电电源中的应用

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12、

Development of digital amplitude and phase adjustable supply with df/ dt frequency slide difference function

带df/dt频率滑差功能的数字调幅调相电压源的研制

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13、

Using the Method of Three Point Frequency Designed Two-grade LC Filters of Switching Power Supply

用三点频率法设计开关电源双级LC滤波器

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15、

Design of Power MOSFET Driver Circuit for High Frequency Induction Heating Supply

高频感应加热电源功率器件MOSFET驱动电路

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16、

An Inverting Trigger Circuit for Thyristor Medium Frequency Power Supply with Phase locked Circuit

用锁相环作晶闸管中频电源的逆变触发电路

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17、

High frequency switching power supply made from it can not only simplify the circuit, but also can improve the EMC characteristics and reduce the cost.

采用它制作高频开关电源,不仅简化了电路,同时可以改善电源的电磁兼容性能,且降低了制作成本。

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18、

Functions of Bypass in Variable Frequency Water Supply System

旁路在变频给水系统中的作用

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19、

Application of Vertical Shaft Boiler Room Water Supply System Frequency in Nanshan Mine

南山矿立井锅炉房供水系统变频器的应用

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20、

This paper treats of frequency stability of conventional 12-channel carrier transmitters as used in collieries, with particular reference to the considerable variations of underground transmission line impedance and fluctuations of supply voltage.

本文根据煤矿井下载波传输线路阻抗变化大、电源电压波动大的特点,针对传统的矿用十二路载波发射机,讨论了其振荡频率(即发射频率)的稳定性问题。

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