Microchip dsPIC33F离线1000W UPS电源参考设计

Microchip公司的数字纯正弦波的离线1000W不间断电源( UPS)参考设计采用dsPIC33FJ16GS系16位数字信号控制器(DSC),输入交流电压210 – 242V, 50 Hz (+/- 3 Hz),输出交流电压220V @ 50 Hz (+/ - 1 Hz),额定功率1000VA,效率84%,纯正弦波输出THD小于3%,火线到电池转换时间小于10ms,可用作计算机和通信设备的保护电源.本文介绍了UPS参考设计主要指标,采用dsPIC33FJ16GS504的离线UPS方框图,电路图,材料清单和PCB元件布局图.

Digital Pure Sine Wave Uninterruptible Power Supply (UPS) Reference Design dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04 Data Sheet High-Performance, 16-bit Digital Signal Controllers


图1.正弦波UPS参考设计外形图     

UPS参考设计输入/输出指标:

Input / Output Specifications:

Input Range AC:

95 – 135V, 60 Hz (+/ - 3 Hz) (110V version)

210 – 242V, 50 Hz (+/- 3 Hz) (220V version)

Output Voltage AC:

110V @ 60 Hz (+/ - 1 Hz) (110V version)

220V @ 50 Hz (+/ - 1 Hz) ( 220V version)

DC Input:

36V (12 VDC X 3)

Lead Acid Battery

Rating:

1000 VA Steady-State Output Power

1350 VA Peak Power (Surge)

Features:

High-frequency design

Adjustable Charging current

Efficiency of 84%

Pure sine wave output with THD <3%

Mains to Battery Transfer time < 10 ms
..

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