Wireless powerline sensor
A Wireless powerline sensor hangs from an overhead power line and sends measurements to a data collection system. Because the sensor does not contact anything but a single live conductor, no additional high-voltage isolation devices are needed. The sensor, installed simply by clamping it around a conductor, powers itself from energy scavenged from electrical or magnetic fields surrounding the conductor being measured.[1] Overhead power line monitoring helps distribution system operators provide reliable service at optimized cost.[2][3]
Some powerline sensors may transmit information on the high voltage conductor itself rather than by transmission of a radio signal.[4][5]
Measurements
The primary purpose of a powerline sensor is to measure current, however, some sensors can either directly measure or derive other data such as:
- Conductor temperature
- Ambient temperature
- Inclination or the amount of line sagging
- Wind movement
- Electric fields
- Power Generation
- Distribution and Consumption of electricity
See also
- Energy management system (EMS)
- Supervisory control and data acquisition (SCADA)
- Wireless sensor network (WSN)
References
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External links
- A Wireless Sensors Suite for Smart Grid Applications
- Power Line Monitoring for Energy Demand Control
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