New 147,000-kw unit at fisk station

OUTSTRIPPING in capacity any other turbogenerator placed in service in the United States since Pearl Harbor, the new 147,000-kw unit 17, shown in Figure 1, at Commonwealth Edison Company´s historic Fisk station in Chicago, Ill., is now running under full load and playing an important role in the job of meeting the huge power demands of war-production industries. It embraces what is claimed to be the largest single-shaft turbine in the world operating at a steam pressure of 1,250 pounds per square inch and a temperature of 925 degrees Fahrenheit.