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Real Time Transmission Line Conductor Monitor

The distance of the nearest object to the conductor is<br>measured using an on-board LIDAR sensor providing<br>a highly accurate ( /-0.3% at 120ft/36m) line clearance<br>measurement regardless of tower or insulator motion,<br>varying span lengths or other line conditions. Can be used<br>to measure line clearance to under-crossing lines.

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Real Time Transmission Line Conductor Monitor

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  1. TLM CONDUCTOR MONITOR Real Time Transmission Line Conductor Monitor Accurate,real-time, conductor clearancemeasurementdeviceforfacility ratings, complianceanddynamiclineratingapplications. TheLindseyTLM®Conductor Monitor providesa completepictureofconductor behavior including actualconductorclearance-to-ground,conductor temperature, linecurrent,and vibration. Unlike other transmission line monitors thatuseancillary measurements to infersag,notclearance, theTLM monitorprovidesaccurate,actionable,clearance-to- easily installed,self-poweredconductor monitoring solution forsystem voltagesup to 765kV. Vibration Three-axis MEMS accelerometer and built-in Fast Fourier Transform processing monitors the vibration frequency spectrum of the conductor providing tilt and roll indication and detection of the abnormal vibration patterns associated with line galloping andAeolian vibration. ConductorClearance The distance of the nearest object to the conductor is measured using an on-board LIDAR sensor providing a highly accurate (+/-0.3% at 120ft/36m) line clearance measurement regardless of tower or insulator motion, varying span lengths or other line conditions. Can be used to measure line clearance to under-crossing lines. Self-Powered,Simple Installation Self-powered by line current as low as 100A. Fast live line installation using hot stick or bare hand practices. LineCurrent Accurate line current is measured (+/- 1%) simultaneously with conductor clearance and temperatureº; critical information on lines with multiple taps. Satellite or Mesh Radio Communications Available with either of two communication options. Satellite radio ensures reliable communications in even the most remote locations with no dependence on any other infrastructure. Alternatively, the encrypted, self-healing 915MHz mesh radio option makes use of more traditional communication infrastructure. All TLMs are pre-configured to maximize hands-free communication upon power-up. Conductor andAmbientTemperature Keep track of excessive temperatures that lead to conductor annealing. Provide input to dynamic line rating systems such as Lindsey’sSMARTLINE™ software.

  2. Satellite radio option Mesh radio option Iridium network 915MHz (nominal), 1.6km (1 mile) max +/-4” (+/- 100mm) ©2016 Publication Number 11F-001 TLM • Revised March 2016

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