查询词典 magnetic amplifier

This article is intended to discuss the principle and characteristic of a magnetic amplifier ,introduce the action of the magnetic amplifier in the actuator and analyse some troubles of the actuator.

论述了磁放大器的工作原理和特点，介绍了磁放大器在执行器中的应用，对执行器的两种常见故障作了分

ABSTRACT: This paper puts forward a multi-output-voltage's design on the basis of a magnetic amplifier, and we design a novel practical valued switching power according to the theory.

本文提出了一种基于磁放大器的多输出开关稳压电源设计方法，据此设计出了具有实用价值的新型开关电源。

Appendix describes the ideal magnetic amplifier theory.

附录介绍了理想磁放大器的理论。

A fire new double detector sensing theory with magnetic modulator and magnetic amplifier is discussed.

这种方法是基于磁调制器和磁放大器双重磁检测器原理。

These two alloys can be used at high frequencies up to 200 kHz for magnetic amplifier switching power supply with output of 12V, 9A.

用上述两种合金制做的频率达150～200kHz的高频磁放大器式开关电源，输出12V、9A，整机电源的效率达80％以上。

Water source heat pump is the use of magnetic amplifier principle of the series in the power supply and manufacture of electric motors and electric heat pump water between the reactor consisting of soft-start device.

水源热泵是利用磁放大器原理制造的串联在电源和电动机之间的水源热泵和电抗器构成的软启动装置。

An introduction for forward topology multiple output DC/DC converter is made. A brief introduction was made to the two secondary side control technique, using magnetic amplifier and secondary side PWM regulator. And the differences between the two methods are compared.

摘 要：介绍了正激式DC/DC多路输出电源拓扑，简单介绍了两种精确调节技术：利用磁放大器进行后级调节和次级同步调节技术实现精确输出，并比较了其各自的优缺点。

This kind of system utilizes a new current-sharing scheme which amazingly bases on magnetic amplifier and average current-sharing method.The whole design of the modulized electroplating power system is discussed. The power section of the system is made up of a few power modules, and the control section is a simple and common PWM controller with compensation network.

随着开关电源输出电流的日益增加，由多个电源模块并联替代单个大电流模块输出大电流的优势也越来越明显，灵活而且经济的分布式电源系统已经成为电镀电源系统之趋势，而其中的电源模块电流平衡成为技术关键之一。

When a digital control panel to start regulating magnetic amplifier control winding excitation current, to change the saturable reactor to start the electrical resistance value of adjustable voltage drop, to achieve soft-start motor.

启动时通过数字控制板调节磁放大器控制绕组的激磁电流，改变饱和电抗器的电抗值调节启动电压降，实现电动机软启动。

Three magnetic amplifier s, such as adjustable-damper controlling, speed-limited protection in deceleration segment, and automatic braking largely used in alternated-elevator system in nation's coal and metallurgy exhibit quickness and firmness.

我国煤炭和冶金矿山大量使用的交流提升机，控制系统采用的可调闸控制、减速段限速保护和减速阶段电气制动三个磁放大器装置，存在快速性、稳定性、对环境参数的依赖性、敏感性均较差等固有弊端，采用现代电子器件和先进的控制技术取代原控制系统中的1CF、2CF、 3CF三个磁放大器及其落后的控制技术，并增加全新的电子速度给定环节，改善提升机性能

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐