Insufficient parallel power supply capacity of AC-DC base station power supply

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FAQs about Insufficient parallel power supply capacity of AC-DC base station power supply

Should a power supply be connected in parallel?

It is preferred that both power supplies are of same type and part number. To provide protection against power supply short circuit, it is recommended to connect external diodes (ORing Diodes or Load share modules) when multiple power supplies are connected in parallel. See figure 3.

Why do designers connect power supplies in parallel?

Designers connect power supplies in parallel to obtain a total output current greater than that available from one individual supply as well as to provide redundancy, enhance reliability, avoid PCB thermal issues and boost system efficiency.

How to connect power supplies in redundant configuration?

To achieve optimum performance when connecting power supplies in redundant configuration, the following steps must be carried out: Designate one power supply as primary and another as standby. At 50% load measure individual power supply output DC voltage.

What happens if parallel power supplies are not sharing their contribution equally?

What's more, if the paralleled power supplies are not sharing their contribution equally, one supply will be subjected to more stress than the others, shortening its life expectancy. This article will discuss typical current-sharing methods.

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