介绍：

技术参数：UAC389AEO1 HIEE300888RO001 ABB 励磁控制电源接口模块

电源模块的作用就是电压的转换，它可以将交流或直流电变换成你所需要的交流威直流电。如:将市电220V交流电(AC)转换成5V直流电(DC)，因为交流220V的电是高压电，而电子产品是低压供电的，这就需要一个转换装置，将交流220V的电压转换成低压。再比如在机动车里有时需要转换成220V交流电来使用，那么这会就成了低压转高压了，因为机动车的电压一般都比较低。

简而言之就是类似手机充电器一样，你的手机没电了，要插电或充电才能正常使用，但是你不能直接接220V使用，因为这样手机就会烧毁，因此就需要一个专门的转换装置来转换成手机所需的电压。

二、如何选择台适的电源模块

1、电路设计原理和工艺

电路原理的好坏分辨通常只能从专业角度着手。现阶段电源模块大体可分为裸板和灌封两种，裸板可以根据直观的方式，如电子元器件的布局合理整齐有序、大方、有序、焊点亮净挺拔。而灌封式模块，就没法查看内部的情况，但是由于不外露，在安全性和性能指标层面要好很多。焊接工艺可包括手工焊接与波峰焊工艺，机械化生产的波峰焊工艺品质要优于手工焊接。

2、芯片的元器件

电源的核心就是IC，它犹如电源的大脑一样，IC的好坏直接影响着电源的各项参数。

3、变压器元器件

决定电源的功率、耐温等则是变压器。变压器负责完成交流电-直流电，能量超载就会饱和炸机

4、电解电容和陶瓷电容

电解电容，和独石胆电解电容，它采用硫酸做绝缘介质，可以将较大的容量做成较小的体积，并在上面标有+的符号，有的标有-的符号，一般做低频交联和旁路滤波用，缺点是介子损耗大一些，独石电解电容，由于采用特殊的材料，性能优于普通电解，频率特性较好，但容量不能做的太大，可用于精确地电路中，如振荡、或定时电路。

陶瓷电容有瓷介电容、瓷片电容、瓷管电容、陶瓷半可变电容几种。主要是无极性，介质材料较好，容量不能做的太大。适用高频电路。

The role of the power module is the conversion of voltage, which can convert AC or direct current into the AC power you need. For example, the mains 220V alternating current (AC) is converted into 5V direct current (DC), because the AC 220V electricity is high voltage, and the electronic products are low voltage power supply, which requires a conversion device to convert the AC 220V voltage into low voltage. For example, in the motor vehicle sometimes need to be converted to 220V alternating current to use, then this will become a low voltage to high voltage, because the voltage of the motor vehicle is generally relatively low.

In short, it is similar to a mobile phone charger, your mobile phone is out of power, to plug or charge to normal use, but you can not directly connect to 220V use, because the mobile phone will burn, so you need a special conversion device to convert the voltage required by the mobile phone.

Second, how to choose a suitable power module

1. Circuit design principle and process

The distinction between good and bad circuit principles can usually only be made from a professional perspective. At this stage, the power module can be divided into bare board and potting two kinds, the bare board can be based on intuitive ways, such as the layout of electronic components is reasonable and orderly, generous, orderly, and the solder joint is bright and clean. The potting module can not see the internal situation, but because it is not exposed, it is much better at the level of security and performance indicators. Welding process can include manual welding and wave welding process, mechanized production of wave welding process quality is better than manual welding.

2, chip components

The core of the power supply is IC, it is like the brain of the power supply, the quality of the IC directly affects the parameters of the power supply.

3, transformer components

The transformer determines the power and temperature resistance of the power supply. The transformer is responsible for the completion of AC - DC, energy overload will saturate the machine

4, electrolytic capacitor and ceramic capacitor

Electrolytic capacitors, and monolith electrolytic capacitors, which use sulfuric acid as an insulating medium, can make a larger capacity into a smaller volume, and marked with a + symbol on it, and some marked with a - symbol, generally do low-frequency crosslinking and bypass filtering, the disadvantage is that the meson loss is larger, monolith electrolytic capacitors, due to the use of special materials, performance is better than ordinary electrolysis, frequency characteristics are better, However, the capacity can not be too large, and can be used in precise circuits, such as oscillation, or timing circuits.

Ceramic capacitors include ceramic dielectric capacity, ceramic capacitor, ceramic tube capacitor and ceramic semi-variable capacitor. It is mainly non-polar, the medium material is better, and the capacity cannot be too large. Suitable for high frequency circuits.

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【本特利内华达】3500系统

【横河电机】压力变送器

【安川】伺服驱动器/伺服电机

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