Analog signal linear photo-isolation is carried out by using voltage-frequency conversion and frequency-voltage conversion technique so as to effectively overcome nonlinearity of the photocoupler.
采用电压频率变换和频率电压变换技术处理模拟信号，有效的克服了光电耦合器的非线性，实现了模拟信号的线性光电隔离。
Adopt IGBT frequency conversion of German Siemens and voltage feedback series resonance circuit. The conversion efficiency is reaching up to above 97.5%.
采用德国西门子IGBT变频，电压反馈串联谐振电路。变换效率高达97.5%以上。
The system constitution is simplified by using gyrator transmission network to realize the live conversion of voltage and frequency, thus greatly enhancing the upper output frequency.
该方法利用回转器构成传输网络实现变压变频，使系统结构简化，且输出频率上限大幅度提高。
The single AC power input voltage frequency, the internal AC to DC after; DC converter rectifier exchange conversion, self-produced - very stable, pure sine wave.
该电源输入单一交流电压和频率，内部经过交流对直流；直流对交流的变流整流转换后，自行产生-非常稳定纯净的正弦波。
In this paper, we present a frequency conversion electromotor system organized by voltage vector transducer and induction-motor.
本文研究了用电压矢量变频器和感应电动机构成的变频电动机系统。
Starting from a new aspect, it explained a new way to realize energy saving without retrofitting DCS and control logic at site in the application of high voltage frequency conversion.
从全新的角度，诠释了高压变频在系统应用中不对DCS和现场控制逻辑改造，即可实现节能应用的一种新方法。
By comparing the characteristic of different technology, the influence on unit stable running by high voltage frequency conversion is summarized. Also the development tendency is predicted.
对不同形式的高压变频技术特点进行了比较，总结了高压变频装置对机组稳定运行的影响及高压变频技术的发展趋势。
In this paper we introduce a method to design a high voltage power source that have the function of frequency conversion.
本文介绍了一种新型的高压调频电源的设计方法。
A kind of xenon lamps stabilizer is designed which is made up of the tripper-circuit with two-leveled rising voltage and the direct current power circuit with frequency conversion mode.
设计了一种由两级升压触发电路及变频式直流电源电路构成的氙灯安定器。
PCLINK control network, MCGS software, Siemens low voltage electric appliance and host frequency conversion control, 30% electricity saving.
PCLINK控制网络、MCGS软件、西门子低压电器，主机变频控制，省电达30%。
We also choose the type of stable voltage direct current and frequency conversion motor, and design the hardware circuit of the sub-systems.
根据控制要求对直流稳压电源、变频器等其它硬件进行了选型，并对系统各部分硬件电路进行设计。
Low, medium and high voltage, standard, Use in big screen color-TV, frequency conversion air conditioner audio circuits, ets.
低中高压，焊针式标准品，可用于大萤幕彩电、变频空调、音响等电子线路中。
The two signal sources are jointly controlled to produce a three-item square-wave pulse synchronous frequency conversion and voltage regulation signal source.
两信号源统一控制便产生三项方波脉冲同步变频调压信号源。
The two signal sources are jointly controlled to produce a three-item square-wave pulse synchronous frequency conversion and voltage regulation signal source.
两信号源统一控制便产生三项方波脉冲同步变频调压信号源。
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