Transcription of CHAPTER 15 DISTRIBUTION TRANSFORMERS
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13/07/06 11:43AM Page CHAPTER 15. DISTRIBUTION . TRANSFORMERS . The purpose of a DISTRIBUTION transformer is to reduce the primary voltage of the electric DISTRIBUTION system to the utilization voltage serving the customer. A DISTRIBUTION trans- former is a static device constructed with two or more windings used to transfer alternating- current electric power by electromagnetic induction from one circuit to another at the same frequency but with different values of voltage and current. Figure shows DISTRIBUTION TRANSFORMERS in stock at an electric utility company ser- vice building. The DISTRIBUTION TRANSFORMERS available for use for various applications, as shown, include pole-type (Figs. and ), pad-mounted (Fig. ), vault or network type (Fig.)
15.1 CHAPTER 15 FIGURE 15.1 Electric utility distribution storage yard. Forklift trucks are used to load transformers on line trucks. Storage area is covered with concrete to pro-vide accessibility and protect transformers.
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Terminal Type Torque (in lbs) Wire Gauge, Resistance, Practical guide to earth resistance testing, Publication No. 1354, TROUBLE SHOOTING EXTRUSION CONTROL, This information is provided by, Properties and applications of engineering materials nqf, MASTER SPECIFICATION Lightning Protection, MASTER SPECIFICATION Lightning Protection Systems, John Deere Battery Lineup