Complex sentence: This powerline has two circuits with a maximum power transmission rate of 1630 Megawatts at a voltage level of 380 kV, which are built as bundles of four conductors of steel and aluminium with a cross section of 340 mm² aluminium and 30 mm² steel for each conductor.
Split into simpler sentences: This powerline has two circuits with a maximum power transmission capactiy of 1630 Megawatts at 380 kV. The line conductors are bundles of four conductors of steel and aluminium with a cross section of 340 mm² aluminium and 30 mm² steel for each conductor.