前言 Unit One Substation Part Ⅰ Reading Comprehension Passage A Substation Passage B Five-wire Distribution System Demonstration Project Part Ⅱ Translation Skills詞義的選擇 Part Ⅲ Practical Writing Letter of Job Application求職信 Key to Unit One Unit Two Transformer Part Ⅰ Reading Comprehension Part Ⅱ Transformer Part Ⅲ The Impact of Inrush Currents on the Mechanical Stress of High Voltage Power Transformer Coils Key to Unit Two Unit Three Switches Part Ⅰ Reading Comprehension …… Unit Four TA,TV and Surge Attestors Unit Five Insulators and Cables Unit Six Load Flow Stuies and HVDC Transmission Unit Seven System Stability Unit Eight Line Protection Unit Nine Distance Protection Unit Ten Fundamentals of AC Power Transmission 詞匯表