Abstract :
Three new electrical developments incorporated during the last development period of Waukegan station are described in this article. They include the first 132-kv. metal-clad switchgear ever used, a 115,-000-kw. single-shaft turbo-alternator the rotor of which was the largest forging ever made in this country, and a coal-car mule for which a new scheme of a-c. drive was developed.