File:Image from page 111 of "Electric railway journal" (1908) - 14738273906.jpg

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English: Identifier: electricrailway331909newy

Title: Electric railway journal Year: 1908 (1900s) Authors: Subjects: Electric railroads Publisher: [New York] McGraw Hill Pub. Co Contributing Library: Smithsonian Libraries Digitizing Sponsor: Smithsonian Libraries

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Text Appearing Before Image: Pittsburg 1200-Volt Line—Interior of Power House atHarmony Junction General Electric motor generator sets, each consisting oftwo 4-pole, 200-kw, 720-r.p.m., 600-volt, direct-current gen-erators, direct driven by and mounted on the same basewith one A.T.B. 10-pole, 425-kw, 13,200-volt synchronousmotor. A 6-pole, 6-kw, 125-volt exciter for the synchronousmotor field is mounted on the same shaft. Each motorgenerator has its own starting compensator.

Text Appearing After Image: Pittsburg 1200-Volt Line—Span Construction Near New Castle The switchboard in each substation comprises two 400-kw, 13,200-volt synchronous motor and exciter panels; two400-kw, 1200-volt, d.c. generator panels; two 400-kw, 1200-volt, d.c. feeder panels, and two 1500-volt voltmeters andbracketSi The three-phase lightning arresters are of the multiple- i 94 ELECTRIC RAILWAY JOURNAL. [Vol. XXXIII. No. 3. gap type. All of the oil switches in the substations are The armatures of the d.c. generators are connected inof form K-4. series, with one terminal grounded, giving 1200 volts on The synchronous motors are started up on the a.c. side the feeder bus to which the other terminal is connected.

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