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In Dynamic Line Rating

Five Communication Issues Associated with Dynamic Line Rating


Communications have long been a complicating issue for Dynamic Line Rating (DLR) systems.  Why?  DLR systems include a series of sensors installed on carefully selected transmission line spans in order to collect conductor information.

 

 

royalty free

Here are five common communications issues common to traditional dynamic line rating systems.

  1. Remote installation: Optimizing a dynamic line rating system may require monitoring devices be installed on spans in remote locations and away from existing communication infrastructure, such as in unpopulated areas. In this situation, devices dependent on cellular data modems are impractical.
  2. Solar-charging: Some monitoring devices communicate through a battery-powered radio charged via solar panels. A few days of cloudy or stormy weather, snow buildup, or even bird droppings can interfere with proper charging. As dynamic line rating requires continuous data feeds, the result is data dropout and compromised dynamic line rating system operation.
  3. Improper Installation: Radio systems require proper antenna positioning and alignment. Improper installation can result in data dropout.
  4. Excess Complexity: Costly repeater radios may be required increasing system complexity and maintenance requirements. Some systems require the antenna to be installed above the static line, making installation particularly critical so as not to interfere with the transmission line itself.
  5. Cost: Microwave communication is not practical due to the size, cost, and power requirements of the equipment.

 

To address and eliminate these concerns, the self-powered sensors used in Lindsey’s SMARTINE next generation dynamic line rating system are available with an Iridium satellite radio communication option. This provides a direct data path from the sensor to the satellite, and from there to the SMARTLINE dynamic line rating software via secure cloud-based communications.

 

The advantages of this approach?

 

  • The sensors are able to communicate the monitored data from any transmission span, regardless of location.
  • No additional communication infrastructure or equipment is required.
  • They are secure. The radio is built-in to the sensor and transmits only non-operational measured data (conductor temperature, line power, clearance-to-ground, and conductor vibration) directly to the dynamic line rating software.
  • The self-powered sensors eliminate the need for remote power sources.

 

To talk about how Lindsey’s next generation dynamic line rating system and satellite communications can address your transmission line rating concerns, contact Lindsey.

 











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