电脑电源的秘密：了解电源供应器的工作原理 在我们日常使用的电脑中，电源供应器是一个不可或缺的组成部分。它为电脑各个部件提供稳定的电力，确保电脑的正常运行。那么，电脑电源供应器的工作原理是什么呢？本文将为您揭示这一秘密。 一、电源供应器的基本构成 电源供应器主要由变压器、整流器、滤波器和稳压器等部分组成。 1. 变压器：负责将输入的交流电（AC）转换为适合电脑内部使用的电压。 2. 整流器：将交流电转换为直流电（DC），以供电脑使用。

3. 滤波器：用于消除直流电中的杂波和干扰，使电源更加纯净。

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4. 稳压器：确保输出的直流电电压稳定，以保护电脑硬件免受过电压或欠电压的损害。 二、电源供应器的工作原理 当电脑开机时，电源供应器开始工作。首先，电源供应器通过变压器将输入的交流电转换为适合电脑内部使用的电压。然后，整流器将交流电转换为直流电。接着，滤波器对直流电进行过滤，消除其中的杂波和干扰。最后，稳压器确保输出的直流电电压稳定，为电脑各部件提供稳定的电力。 在电脑运行过程中，电源供应器会根据各个部件的需求，调整输出电压和电流，确保电脑的正常运行。当电脑关机或进入休眠状态时，电源供应器也会相应地降低功耗，以达到节能的目的。 三、英文翻译 The Secrets of Computer Power Supply: Understanding the Working Principles of Power Supply Units In our daily use of computers, the power supply unit is an indispensable component. It provides stable power for various parts of the computer, ensuring its normal operation. So, what is the working principle of a computer power supply unit? This article will reveal this secret for you. I. Basic Components of Power Supply Unit The power supply unit is mainly composed of transformers, rectifiers, filters, and voltage regulators. 1. Transformer: Responsible for converting the input alternating current (AC) to a voltage suitable for use inside the computer. 2. Rectifier: Converts AC to direct current (DC) for use by the computer. 3. Filter: Used to eliminate noise and interference in the DC current, making the power supply cleaner.

4. Voltage Regulator: Ensures a stable output of DC voltage to protect computer hardware from over- or under-voltage damage.

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II. Working Principle of Power Supply Unit When the computer is turned on, the power supply unit starts working. First, it converts the input AC to a suitable voltage for use inside the computer through a transformer. Then, the rectifier converts the AC to DC. Next, the filter filters the DC current to eliminate noise and interference. Finally, the voltage regulator ensures a stable output of DC voltage to provide stable power for various parts of the computer. During computer operation, the power supply unit adjusts the output voltage and current according to the needs of each component to ensure normal computer operation. When the computer is shut down or enters a sleep state, the power supply unit also reduces power consumption accordingly to achieve energy saving.