GE Steam Turbine Generator Erie Maritime Museum March 9, 2012.

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Presentation transcript:

GE Steam Turbine Generator Erie Maritime Museum March 9, 2012

Steam Turbine

Turbine Generator – Three Phase AC

DC Exciter Generator

Commutator and Brush Holders

Brush Holders - Carbon Brushes Missing

Turbine Generator Control Panel

50 Ton Crane 10 Ton Auxiliary

Big Bertha Steam Engine Chestnut Street Pumping Station, Erie, PA 2011

Erie Water Works – Bayfront Highway

Erie Water Works – Chestnut Street Pumping Station

Big Bertha Steam Engine Big Bertha is a triple expansion piston steam engine. The first cylinder has 33” diameter and 5.5 foot stroke. As the steam expands it goes to a cylinder that is 66” in diameter with a 5.5 foot stroke and then to a cylinder with a 98” diameter and a 5.5 ft. stroke. It has two 20 foot diameter flywheels and operated piston pumps that send water up to the Sigsbee reservoir on 26 th Street. It made 600 HP at 50 RPM. Operating something like this was fairly labor intensive. Big Bertha was retired from service in 1951 and pumping duty is now done by several far more powerful electric motors and centrifugal pumps.