【正文】 ，就是用電負荷加上為輸送負荷而產(chǎn)生的功率損耗。3) 最大及最小潮流分布圖一張（2 號圖紙） 。2) 正常情況最小負荷。華北電力大學電力工程設計說明書電力系統(tǒng)規(guī)劃設計 農(nóng)電 08k2 班 第三小組2022 年 3 月華北電力大學 農(nóng)電 08k2 班第三組 2 / 61目錄目錄 .................................................................................................................................................2《電力工程課程設計》任務書 ........................................................................................................31 電力電量平衡 ................................................................................................................................3 系統(tǒng)有功平衡 ...............................................................................................................................3 系統(tǒng)用電負荷 .......................................................................................................................3 系統(tǒng)供電負荷和發(fā)電負荷 ...................................................................................................3 系統(tǒng)備用容量 .......................................................................................................................3 無功補償?shù)脑O置 ...........................................................................................................................3 1 號變電站的無功補償 ......................................................................................................3 2 號變電站的無功補償 ......................................................................................................3 3 號變電站的無功補償 ......................................................................................................3 4 號變電站的無功補償 ......................................................................................................32 供電方案設計與比較 ....................................................................................................................3 方案的初步設計 ...........................................................................................................................3 發(fā)電廠和變電站的主接線設計 ....................................................................................................3 主接線設計要求 ....................................................................................................................3 發(fā)電廠主接線設計 ...............................................................................................................3 變電站的主接線設計 ............................................................................................................3 導線的選擇與校驗 .......................................................................................................................3 方案 I .....................................................................................................................................3 方案 II ....................................................................................................................................3 方案 III ...................................................................................................................................3 方案 IV ...................................................................................................................................3 方案 V ....................................................................................................................................3 方案 VI ...................................................................................................................................3 變壓器的選擇與相關參數(shù)的計算 ................................................................................................3 發(fā)電廠主變的選擇 ...............................................................................................................3 四個變電站主變的選擇 .......................................................................................................3 供電方案的初步比較 ...................................................................................................................3 供電方案的詳細比較 ...................................................................................................................3 電能損耗 ...............................................................................................................................3 電壓損失校驗 ........................................................................................................................3