Microchip连接电网的太阳能微逆变器220V参考设计
Microchip公司的连接电网的太阳能微逆变器参考设计(220V)采用dsPIC33FJx6GS系列产品.该16位数字信号控制器包括DSP功能和高性能16位微控制器(MCU)架构,3.0V-3.6V时的性能高达40MIPS.太阳能微逆变器系数的峰值效率高达94%,输出电流的THD小于5%,功率因素大于0.95,具有最大功率点跟踪(MPPT),全数字控制,太阳能电池板的电压从25V到55VDC,MPPT电压25V-45V,最大DC短路电流10A,广泛用于连接电网农村家庭太阳能系统.本文介绍了dsPIC33FJx6GS系列主要特性,方框图,CPU核方框图,太阳能微逆变器参考设计框图,电路图和材料清单与PCB布局图.
dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04 devices contain extensive Digital Signal Processor (DSP) functionality with a high-performance, 16-bit microcontroller (MCU) architecture.
dsPIC33FJx6GS系列主要特性:
Operating Range:
• Up to 40 MIPS Operation (at 3.0-3.6V):
- Industrial temperature range (-40℃ to +85℃)
- Extended temperature range (-40℃ to +125℃)
High-Performance DSC CPU:
• Modified Harvard Architecture
• C Compiler Optimized Instruction Set
• 16-Bit Wide Data Path
• 24-Bit Wide Instructions
• Linear Program Memory Addressing up to 4M Instruction Words
• Linear Data Memory Addressing up to 64 Kbytes
• 83 Base Instructions: Mostly 1 Word/1 Cycle
• Two 40-Bit Accumulators with Rounding and Saturation Options
• Flexible and Powerful Addressing modes:..
