|
| 摘要: |
| 基于IEC61850标准实施的数字化变电站,通信协议结构发生了很大的变化.重点分析了数字化变电站中数据采集部分,阐述了数字化变电站的电能计量系统与传统计量系统的区别.对于与传统计量系统差异最大的2个部分:数字互感器和数字电能表,从原理上进行分析比较,按照IEC61850-9-1或IEC60870-5-1协议规范,设计了数字电能表和数字计量系统的典型应用结构.计量系统中数字电能表的校验装置,因电流、电压信号输出采用了IEC61850协议设计,与传统校验仪在实现方法上存在较大差异,对此进行了分析,提供了目前较为可行的解决方案. |
| 关键词: 电子式互感器 电能表 数字式电能计量系统 电能表校验 数字化变电站 |
| DOI： |
| 分类号:TM933.4 |
| 基金项目: |
|
| Digital Watt-hour metering system and verification equipment |
|
CHEN Yinglin HUANG Dexiang
|
| Abstract: |
| The communication protocol structure of digital substation based on IEC61850 has greatly changed.The data acquisition of digital substation is analyzed and the difference between the metering system of digital substation and the traditional metering system is described.There is great difference in two parts: digital transformer and digital Watt-hour meter,which are analyzed and compared in principle.The typical application structures of digital Watt-hour meter and digital metering system are put forward in ... |
| Key words: electronic transformer Watt-hour meter digital metering system Watt-hour meter verification digital substation |
