【正文】 ......... 32 location and pitch ..................................................................................... 32 Arrester selection and validation ...................................................... 錯(cuò)誤 !未定義書簽。 110kV circuit breaker and isolation switch selection and validation錯(cuò)誤 !未定義書簽。 10kV side shortcircuit current calculation.............................................................. 11 4 Select the check of electrical equipment ................................................. 錯(cuò)誤 !未定義書簽。 Shortcircuit current assumptions and principles used in the calculations錯(cuò)誤 !未定義書簽。 Select the number of windings of the transformer and connect groups錯(cuò)誤 !未定義書簽。 110 kv side main wiring options ................................................................................ 2 10 kv side main wiring options.................................................. 錯(cuò)誤 !未定義書簽。 the main wiring overview ................................................................................................. 1 the basic requirement of the main electrical wiring design .............. 錯(cuò)誤 !未定義書簽。 Abstract ...................................................................................................... 錯(cuò)誤 !未定義書簽。 引言 ............................................................................................................................................ 1 1 電氣主接線的選擇 ................................................................................................................ 1 主接線概述 ..................................................................................................................... 1 電氣主接線設(shè)計(jì)的基本要求 ......................................................................................... 2 主接線接線方式概述 ..................................................................................................... 2 主接線方案的初步比較 ................................................................................................. 2 220kV側(cè)主接線選擇 ............................................................................................... 2 110kV 側(cè)主接線選擇 ............................................................................................... 2 10kV側(cè)主接線選擇 ................................................................................................. 3 主接線方案的選擇 ......................................................................................................... 3 2 主變壓器的選擇 .................................................................................................................... 5 主變壓器選擇的原則 ..................................................................................................... 5 變壓器臺(tái)數(shù)的選擇 ......................................................................................................... 5 變壓器容量的選擇 ......................................................................................................... 5 變壓器繞組數(shù)和連接組別的選擇 ................................................................................. 6 主變壓器的確定 ............................................................................................................. 6 電力變壓器的布置 ......................................................................................................... 6 3 短路電流計(jì)算 ........................................................................................................................ 6 短路電流計(jì)算目的 ......................................................................................................... 6 短路電流計(jì)算時(shí)采用的假設(shè)與原則 ............................................................................. 7 各側(cè)短路電流計(jì)算 ......................................................................................................... 7 220kV側(cè)短路電流計(jì)算 ........................................................................................... 7 110kV 側(cè)短路電流計(jì)算 ........................................................................................... 8 10kV側(cè)短路電流計(jì)算 ............................................................................................. 9 4 電氣設(shè)備的選擇與校驗(yàn) ...................................................................................................... 11 一般規(guī)定 ....................................................................................................................... 11 斷路器和隔離開關(guān)的選擇 ........................................................................................... 12 220kV主變側(cè)和出線斷路器、隔離開關(guān)的選擇 ................................................. 12 110kV 側(cè)斷路器和隔離開關(guān)的選擇與校驗(yàn) ......................................................... 15 10kV側(cè)電抗器、斷路器和隔離開關(guān)的選擇與校驗(yàn) ........................................... 16 互感器的選擇 ............................................................................................................... 19 電流互感器的選擇與校驗(yàn) .................................................................................... 20 電壓互感器的選擇 ................................................................................................ 24 iii 母線和引下線的選擇 ................................................................................................... 25 引下線的選擇 ........................................................................................................ 25 母線的選擇與校驗(yàn) ................................................................................................ 27 支持絕緣子與 10KV側(cè)穿墻套管的選擇 ................................................................... 28 穿墻套管的選擇 .................................................................................................... 28 支持絕緣子選擇 .................................................................................................... 28 10kV側(cè)無功功率補(bǔ)償計(jì)算 .......................................................................................... 28 5 所用電的設(shè)