Hypower Special Issue Three Gorges, China - Voith Hydro
Hypower Special Issue Three Gorges, China - Voith Hydro
Hypower Special Issue Three Gorges, China - Voith Hydro
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<strong>Hypower</strong> <strong>Special</strong> <strong>Issue</strong> <strong>Three</strong> <strong>Gorges</strong>, <strong>China</strong><br />
Unit data<br />
Rated head 80.6 m<br />
Maximum head 113 m<br />
Minimum head 61 m<br />
Rated flow 996 m 3/s<br />
Rated power 700 MW<br />
Max. capacity 840 MVA<br />
Rated speed 75 rpm<br />
Rated frequency 50 Hz<br />
Rated voltage 20 kV<br />
Power factor 0.9<br />
Year of order 1997<br />
Runner diameter 10 m<br />
Runner weight 420 tons<br />
First runner manufactured<br />
by <strong>Voith</strong> Siemens <strong>Hydro</strong><br />
Shanghai<br />
Since project inception, the hydraulic<br />
and mechanical design of the<br />
turbines was a number one priority<br />
for the company’s Research and<br />
Development Team. The turbines are<br />
larger than those supplied for Itaipu<br />
in both size and weight, so welding<br />
and sourcing requirements had to<br />
be redefined to a new level of the<br />
state-of-the-art. The unparalleled<br />
experience of <strong>Voith</strong> Siemens <strong>Hydro</strong><br />
in large Francis turbines, in combination<br />
with air- or water-cooled<br />
generators provided an excellent<br />
technology base for this new design.<br />
The hydraulic performance, proven<br />
in witness tests of the turbine model<br />
in 1998, was an important milestone<br />
for the Corporate Technology Center<br />
in Heidenheim’s “Brunnenmühle”.
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