Networking of Smart Meters Based on Time-Varying Feature of Low-Voltage Power Line Channel in Microgrid

Table 1

Concentrator function configuration.

Sequence number	Project
1	Data acquisition	Data acquisition of smart meter
2	Data management and storage	Real-time data and current data
		Historical date data
		Historical month data
		Key user acquisition
3	Parameter setting and query	Clock call and timing
		Terminal parameters
		Meter reading parameters
		Other (limit, prepaid, etc.) parameters
4	Event log	Record of important events
		General event record
5	Data transmission	Communication with main station
		Data forwarding
6	Local function	Run indication
		Local maintenance interface
7	Terminal maintenance	Self-checking and self-recovery
		Terminal initialization
		Software remote download
		Resume from break point