Unit1 Electric Power System.ppt

Unit1 Introduction 1.1 Evolution of Electric Power System 1.2 Present and Future Trends of Power System 1.3 Structure of the Power System 1.4 Power System Control 1.1 Evolution of Electric Power System New Words: incandescent [??nk?n?des?nt] adj. 白热的；白炽的 supersede [?sju:p??si:d] vt. 取代，接替 versus [?v?:s?s] prep. 对 incentive [in?sentiv] n. 刺激；动机 proliferation [pr??l?f??re??n] n. 激增，涌现 mercury [?m?:kj?ri] arc valve [v?lv] n. 汞弧阀 New Words: submarine [?s?bm?ri:n] adj. 海底的 mutual [?mju:t?u?l] adj. 相互的，共有的 1.1 Evolution of Electric Power System 1.2 Present and Future Trends of Power System New Words: fossil [?f?sl] n. 化石 slacken [?sl?k?n] vt.vi. （使）松弛；（使某事物）迟缓 switchover n. 替换，转换 inherently [?n?her?ntli] adv. 固有地 modular [?m?djul?] adj. 模块化的 infrastructure [?infr??str?kt??] n. 基础设施；基础结构 1.3 Structure of the Power System New Words: invariably [?n?veri?bli] adv. 始终不变地；总是 bulk power system n. 主干网 relegate [?reliɡeit] vt. 使……降级 feeder [?fi:d?] n. 馈线 contingency [k?n?t?nd??nsi:] n. 偶发事件 1.4 Power System Control New Words: depict [di?pikt] vt. 描绘；描述 prime mover n. 原动机 cascading outages n. 大停电 restorative [r??st?:r?t?v] adj. 复原的，恢复的 intact [in?t?kt] adj. 完整无缺的；未经触动的；未受损伤的 curtailment [k???te?lm?nt] n. 缩减，消减 1.4 Power System Control New Words: shedding [??edi?] n. 甩负荷 transit [?tr?nsit] n. 转换 degraded adj. 被降级的，退化的 hierarchical [?hai??rɑ:kik?l] adj. 分等级的 telemetering n. 遥测，遥测技术 作业：英译汉 P138 4.1.5 introduction to EHV AC Transmission