Visual Materials

The large size of the Pelton wheels used at Big Creek can be seen from this picture taken during a repair project in 1948

Description: The large size of the Pelton wheels used at Big Creek can be seen from this picture taken during a repair project in 1948.
Type: Visual Materials(Opens in new tab)
Date: 1948
Call number: photCL SCE 12 - 00232
Find out more: View in the Huntington Digital Library(Opens in new tab); View in the Library catalog(Opens in new tab)

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Interior view of Big Creek Powerhouse #2a shows the large Pelton wheels flanking each of the plant's two generating units
Visual Materials
This interior view of Big Creek Powerhouse #2a shows the large Pelton wheels flanking each of the plant's two generating units. Because of the tremendous water pressure caused by the huge static head on these units, two Pelton wheels, one on each side, drive each generator. This reduces stresses on the common shafrt connecting the water wheels and the generator rotor.
photCL SCE 12 - 00226