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低压电力用户用电量远程自动采集系统设计

更新时间：2020-11-01 12:56:23 大小：2M 上传用户：zhengdai查看TA发布的资源 标签：电量远程自动采集系统 下载积分：2分 评价赚积分 （如何评价?） 打赏 收藏 评论(0) 举报

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传统系统受到噪声干扰致使低压电力用户用电量采集效率较低,为提高电力企业的用电量采集效率,设计了低压电力用户用电量远程自动采集系统。根据用电量采集系统逻辑关系,确定其硬件结构。采用LC6311(+)模块作为TD无线传输单元的主模块,以支持系统间跨网自动无缝切换。同时,在配电变压器附近安装集中器,将MSP430F149型号芯片作为主处理单片机与LC6311(+)模块相连接,使大量配电变压器附近模块整合到片内,保证各个接口能够连接采集终端。采用客户端与服务器一体化结构进行低压滤波电路设计,达到无噪声干扰电力系统的效果。通过直接序列扩频方式对伪随机序列信号进行模拟转换,并结合配置采集功能的低压载波通信技术对数据进行处理,由此完成远程自动采集系统设计。经实验对比结果可知,该系统最高采集效率可达到98%,大大提高了电力系统的实用性。

The traditional system is disturbed by noise,which makes the collection efficiency of power consumption of low-voltage power users low.To improve the collection efficiency of power consumption of power enterprises,a remote automatic collection system of power consumption of low-voltage power users is designed.According to the logic relationship of the power consumption acquisition system,the hardware structure is determined.LC6311(+)module is used as the main module of TD wireless transmission unit to support automatic seamless handover across networks.At the same time,concentrator is installed near distribution transformer,MSP430F149 chip is connected with LC6311(+)module as the main processing MCU,so that a large number of modules near distribution transformer are integrated into the chip to ensure that each interface can connect the acquisition terminal.The integrated structure of client and server is used to design low-voltage filter circuit to achieve the effect of noise-free interference in power system.The pseudo-random sequence signal is analog converted by direct sequence spread spectrum,and the data is processed by low-voltage carrier communication technology with acquisition function,thus the design of remote automatic acquisition system is completed.The experimental results show that the maximum acquisition efficiency of the system can reach 98%,which greatly improves the practicability of the power system.

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