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While adding capacity to the overhead lines, utilities must also monitor sag and clearance. This is even more important when increasing capacity of old lines, so continent measurement of temperature and sag/clearance is required. This requirement is not just part of the grid operators, but also for the maintenance crew. With OTLM system, all is much easier, because we monitor conductor temperature, sag, clearance and conductor creep. Maintenance can be informed of changes on overhead lines, so that maintenance plan can be adjusted according to importance.

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