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在以交流电压运行的控制系统中，交流 UPS 最为合适。离线或备用拓扑结构非常简单明了。这些产品价格低廉，因此是最常见的交流 UPS 类型。在正常情况下，离线 UPS 将主电源从输入端转移到输出端，

安装前应检查稳压器的容量、负载是否匹配合理，市电电压是否在稳压器的允许范围内，稳压器的输出电压是否满足设备要求。

Stabilized voltage power supply and switching power supply are different types of power supplies, and there are obvious differences between them. A regulated power supply is a type of power supply with a stable output voltage, which can effectively control the fluctuation range of the output voltage and ensure the normal operation of the circuit;

并联直流稳压电源是一种常见的电源设备，通常用于给电子设备提供稳定的直流电源。它有很多优点，也有一些缺点，本文将详细介绍。首先我们来看看并联直流稳压电源的优点。

DC stabilized voltage and current power supply is a commonly used power equipment used to provide DC electrical energy to meet the power supply needs of various electronic devices. It has the characteristics of stable output voltage and current, which can ensure the stable and safe operation of electronic devices. This article will provide a

Zero ground voltage concept: With the rapid development of computer technology, the working voltage of internal chips in computers is getting lower and the energy consumption is getting smaller and smaller. In order to ensure the normal operation of servers, new types of servers from various manufacturers have increasingly high requirements for zero ground voltage

1、 Check the load condition