1. The power cable covers an area of less. Generally buried in soil or lying indoors, the channel, the tunnel, and wire insulation distance is small, no tower covers an area of less, basically doesn't cover surface space. Aerial cable,
overhead cables too.
2. Power cable, high reliability. Affected by the climate conditions and the surrounding environment is small, stable transmission performance, and higher reliability.
3. Power cable has ultra-high voltage, large capacity development more favorable conditions, such as low temperature, HTS power cable, etc.
4. Greater power cable capacitance. Aerial cable, on the other hand.
5. Power cable maintenance workload. Aerial cable, on the other hand.
6. Power cable, electric shock less likely. Aerial cable, on the other hand.
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