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Table 2 Intelligent data collection devices in smart grid

From: Big data analytics in smart grids: a review

Intelligent device



Advanced metering infrastructure (AMI)

Integration of smart meters, data management systems and communication networks to provide bidirectional communication between customers and utilities.

Remote meter configuration, dynamic tariffs, power quality monitoring and local control

Phasor measurement unit (PMU)

Real-time measurements (30 to 60 samples/second) of multiple remote points with a common time source for synchronization

Electrical waves measurement of power grid

Wide area monitoring system (WAMS)

An application server to deal with the incoming information from PMUs

Dynamic stability of the grid

Remote terminal unit (RTU)

A microprocessor-controlled device that transmitting telemetry data

Information collection of system operation status

Supervisory control and data acquisition (SCADA)

Both manual and automatic

System monitoring, event processing and alarm

Intelligent electronic device (IED)

Monitoring and recording status changes in the substation and outgoing feeders

Combination of different relay protection functions with measurement, recording and monitoring