毕业设计(论)_4×200MW火力发电厂电气部分设计.docVIP

PAGE 广东工业大学华立学院本科毕业设计（论文）4×200MW火力发电厂电气部分设计系 部 机械电气学部 专 业 电气工程及其自动化 2013年 6月 摘 要本设计主要4×200MW火力发电厂电气部分设计包括电气主接线设计；发电机与变压器的连接形式选择；发电厂厂用电设计；主变压器、启动/备用变压器和高压厂用变压器容量计算、台数和型号的选择；220kV高压配电装置配置原则；短路电流计算和部分高压电气设备的选择与校验；发电机与变压器保护配置，按照设计规范与规定完成上述设计工作。关键词：发电厂；电气一次部分；短路计算；电气设备选择AbstractThis design takes Electrical design of 4 × 200MW power plant, including the main electrical wiring design; choice of generators and transformers connecting form; auxiliary-part design; choice of main transformer, start / back-up transformers and high voltage transformer factory capacity calculation, number and type; configuration rules of 220kV high-voltage power distribution device; short-circuit current calculation and high-voltage electrical equipment selection and validation; generator and transformer protection configuration, in accordance with design specifications and requirements to complete the design work.Keywords: power plant; electrical first part; short-circuit calculation; selection of electrical equipmentsKeywords：power plant; electrical first part; short-circuit calculation; selection of electrical equipments目 录 TOC \o 1-3 \h \z \u HYPERLINK \l _Toc354650972 1 绪论 PAGEREF _Toc354650972 \h 1 HYPERLINK \l _Toc354650973 1.1概述 PAGEREF _Toc354650973 \h 1 HYPERLINK \l _Toc354650974 1.2毕业设计主要内容 PAGEREF _Toc354650974 \h 1 HYPERLINK \l _Toc354650975 1.2.1 电力系统情况 PAGEREF _Toc354650975 \h 1 HYPERLINK \l _Toc354650976 1.2.2 待设计火力发电情况 PAGEREF _Toc354650976 \h 2 HYPERLINK \l _Toc354650977 1.2.3 设计内容 PAGEREF _Toc354650977 \h 2 HYPERLINK \l _Toc354650978 2发电厂电气主接线 PAGEREF _Toc354650978 \h 5 HYPERLINK \l _Toc354650979 2.1概述 PAGEREF _Toc354650979 \h 5 HYPERLINK \l _Toc354650980 2.2电气主接线的确定与验证 PAGEREF _Toc354650980 \h 5 HYPERLINK \l _Toc354650981 2.2.1 电气主接线的设计原则 PAGEREF _Toc354650981 \h 5 HYPERLINK \l _Toc354650982 2.2.1 电气主接线的初步方案 PAGEREF _Toc354650982 \h 6 HYPERLINK \l _Toc354650983 2.3.1 有关设计原则 PAGEREF _Toc354650983 \h 8 HYPERLINK \l _Toc354650984 2.3