What are the major challenges and solutions in long-distance power transmission?

2025-08-10

Answer: Long-distance power transmission faces several technical and logistical challenges:

  1. Power Loss: The primary challenge is energy loss due to conductor resistance (I²R loss) and corona discharge, which becomes more pronounced at higher voltages.

  2. Voltage Stability: Maintaining a stable voltage over long distances is crucial for preventing voltage drops, which can disrupt the grid and damage equipment.

  3. Electromagnetic Interference (EMI): High-voltage lines generate strong electromagnetic fields that can interfere with communication systems.

These challenges are overcome through several solutions, many of which our equipment is designed to facilitate:

  • Using higher transmission voltages and bundled conductors to minimize corona discharge and resistance.

  • Implementing HVDC technology for ultra-long distance projects.

  • Employing advanced substation automation and compensation devices like shunt reactors to maintain voltage stability.

  • Strategic line routing and shielding to mitigate EMI.

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