Conductor/Connector Sensor

Conductor/Connector Sensor

Additional Information

Project Summary

This project is developing and demonstrating low-cost RF sensors to assess conductors and compression connectors on overhead transmission lines. The sensors measure the following parameters:

  • Temperature
  • Current
  • Three axes of inclination
  • Vibration in three axes (see the project summary for the Vibration Sensor Suite)

Depending on the application, the sensors are configured with different algorithms and data transmission rates. They harvest their power from the current flowing in the transmission line, although they have an onboard battery as back-up. The sensors are designed to be installed under energized conditions using hotsticks. Applications include the assessment of compression connectors (splices and dead-ends).

Continual improvement of the sensors is underway. Areas of improvement include increasing the security of the RF transmission, lowering the current required for power harvesting, refinement of algorithms, and improvement in reliability and manufacturability.

Project Status

Project Phases: Development and Demonstration

Sensors that measure temperature and current have been developed and are being demonstrated in numerous locations. Sensors that measure inclination have been developed and tested with the first demonstration underway. Refinement will continue. Sensors that measure vibration are currently under development and testing. A solar-powered base station has been developed, which can collect the data from sensors, record weather parameters, and transmit the data to a central server.

Task Descriptions

Task Due Date Completed % Complete
Development of Temperature and Current Measurement 2008 100%
Development of Inclination Measurement 12/2011 80%
Development of Vibration Measurement 6/2011 50%

Videos

Sensor Components Animation
Sensor Installation Animation
Sensor Installation Animation
Hotstick Installation Video
Hotstick Installation Video
Hotstick Installation Video 2
Hotstick Installation Video 2

Images

Demonstration Site Map
Demonstration Site Map
Demonstration Site Map
Installed Sensor Photo
Installed Sensor Photo
Installed Sensor Photo
Installed Sensor Photo 2
Installed Sensor Photo 2
Installed Sensor Photo 2
Base Station Photo
Base Station Photo
Base Station Photo 2
Base Station Photo 2
Base Station Photo 2
Sensor Data Output
Sensor Data Output
Sensor Data Output
Sensor Data Output 2
Sensor Data Output 2
Sensor Data Output 2