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I received the task today and made an ac-DC-AC power supply.

Requirements:

1. Input: 220 V AC

2. Front-level rectification output: 48 V DC

3. Output: 48 V AC

4. Output Power: 100va

 

Structure:

Input> transformer> rectification bridge> filter> switch MOS array> output

1. AC-DC module, transformer, rectification bridge, filter circuit

2. DC-AC module, switch MOS Array

3. the control module of the PWM command, and the tds2285 single chip microcomputer is prepared to output the PWM command.

 

Required components:

1. 220v ~ 48 V transformer

2. A Rectification full bridge hbu

3. More than 1000uf filter Capacitors

4. Several MOS

5 ,...

 

I have no experience and cannot think clearly... I will try again later ~

You cannot repost it. Hey, you have stolen your blog. Haha