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.
Here are five common communications issues common to traditional DLR systems.
- Solar-charging: Some monitoring devices communicate through a battery-powered radio recharged via solar panels. A few days of cloudy or stormy weather, snow buildup, or even bird droppings can interfere with proper charging. As DLR requires continuous data feeds, the result is data dropout and compromised DLR system operation.
- Remote installation: Optimizing a DLR system may require monitoring devices be installed on spans in remote locations, not close to existing communication infrastructure such as in remote or unpopulated areas. In this situation, devices dependent on cellular data modems impractical.
- Improper Installation: Radio systems require proper antenna selection and alignment. Improper installation can result in data dropout.
- Excess Complexity: Costly repeater radios may be required if the radio haul is long, increasing system complexity.
- Cost: Microwave communication is not practical due to the size, cost, and power requirements of the equipment.
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