国名技术:低压配电端案例--光伏关断器

Release time：2023-02-15
author：Ameya360
source：网络
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　　当电网侧停电时，光伏关断器既能通过失压保护、防孤岛保护功能辅助防止光伏系统反送电，又能实时监测开关状态，验证涉网保护是否正确和可靠地动作，可实现电力载波信号的调制解调，市电异常检测，异常时发送关机命令，温度采样及过温保护，以及相关信息监控等。通过电力载波方式进行通信无需另外增加通信线，可以降低系统成本及减少系统故障点。

国名技术:低压配电端案例--光伏关断器

　　N32G430、N32G435等系列产品的功能与性能满足光伏关断器主控MCU要求，并且已经得到量产使用。

　　N32G430实现光伏关断器具有如下应用优势：

　　1) 采用高性能M4F内核，具有128MHz主频，64KB Flash配备16KB SRAM，执行保护算法效率更高，响应更及时。

　　2) 高达5Msps采样率的12bit ADC，采样及异常响应速度更快。

　　3) 自带硬件加密存储及分区隔离保护功能，可防止对软件算法的破解。


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