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
..
