3×100MW火力發(fā)電廠電氣設(shè)計(jì)（電氣二次系統(tǒng)設(shè)計(jì)）畢業(yè)設(shè)計(jì)

摘 要
根據(jù)設(shè)計(jì)任務(wù)書的要求，本次設(shè)計(jì)為某3×100MW火力發(fā)電廠電氣二次系統(tǒng)設(shè)計(jì)，并繪制相關(guān)工程設(shè)計(jì)圖紙若干。本發(fā)電廠有220kV,110kV，10kV三個(gè)電壓等級。
本次設(shè)計(jì)嚴(yán)格遵循發(fā)電廠電氣部分的設(shè)計(jì)原則，主要做了以下工作：電氣主接線的選擇、短路電流的計(jì)算、發(fā)電機(jī)與變壓器繼電保護(hù)配置、220kV斷路器保護(hù)配置等，其中對發(fā)電廠主設(shè)備的繼電保護(hù)將采用微機(jī)保護(hù)。
本設(shè)計(jì)以《繼電保護(hù)和安全自動(dòng)裝置技術(shù)規(guī)程》、《供配電系統(tǒng)設(shè)計(jì)規(guī)范》等規(guī)程規(guī)范為依據(jù)，設(shè)計(jì)的內(nèi)容符合國家有關(guān)經(jīng)濟(jì)技術(shù)政策，所選設(shè)備全部為國家推薦的新型產(chǎn)品。
關(guān)鍵詞 發(fā)電廠，電氣二次系統(tǒng)，繼電保護(hù)，微機(jī)保護(hù)
 

Abstract
According to the design requirements of the mission statement, this design is for secondary electrical circuit of a 3 × 100MW power plant, Which needs us to draw a number of related engineering drawings. The power plant has three voltage levels, Which are 220kV, 110kV, and 10kV.
The design, which strictly follows the principle part of the design of electrical parts of power plants, concrete work, including the calculation of short-circuit current, generator and transformer protection relay configuration, 220kV circuit breaker protection configuration, in which for the main equipments of the power plants, will use the microprocessor based protection.
This design is mainly based on The Design Code for relay protection and security automatic device, The Design Code for Power Supply System, and other standard procedures. So its contents as follows conform to the relevant economic and technical policies, and all the selected equipments the state recommends are new products.
Key words power plants, secondary electrical circuit, relay protection, microprocessor based protection

 
目 錄
摘 要 I
ABSTRACT II
1 緒論 - 1 -
1.1 引言 - 1 -
1.2 原始數(shù)據(jù)與設(shè)計(jì)任務(wù) - 2 -
1.3 任務(wù)分析 - 3 -
2 電氣主接線設(shè)計(jì) - 4 -
2.1 典型主接線概述 - 4 -
2.2 主接線方案比較與確定 - 5 -
3 短路電流計(jì)算 - 7 -
3.1 短路電流計(jì)算方法 - 7 -
3.2 阻抗標(biāo)幺值計(jì)算 - 7 -
3.3 各短路點(diǎn)的短路電流計(jì)算 - 9 -
4 變壓器保護(hù) - 19 -
4.1 變壓器保護(hù)配置 - 19 -
4.2 變壓器微機(jī)保護(hù) - 19 -
4.3 變壓器保護(hù)整定計(jì)算 - 20 -
5 發(fā)電機(jī)保護(hù) - 27 -
5.1 發(fā)電機(jī)保護(hù)配置 - 27 -
5.2 發(fā)電機(jī)微機(jī)保護(hù) - 27 -
5.3 發(fā)電機(jī)保護(hù)整定計(jì)算 - 28 -
6 斷路器保護(hù)控制系統(tǒng) - 36 -
6.1 220KV側(cè)高壓斷路器選擇 - 36 -
6.2 斷路器失靈保護(hù) - 37 -
6.3 斷路器控制與信號回路 - 38 -
7 母線保護(hù) - 42 -
7.1 微機(jī)型母線保護(hù) - 42 -
7.2 母線差動(dòng)保護(hù) - 42 -
7.3 母聯(lián)充電保護(hù) - 44 -
8 結(jié) 論 - 45 -
謝 辭 - 47 -
參考文獻(xiàn) - 48 -
A1.1 變壓器的應(yīng)用 - 49 -
A1.2 USES OF TRANSFORMERS - 52 -
附錄Ⅱ 工程設(shè)計(jì)圖紙 - 55 -
A2.1 電氣主接線圖 - 55 -
A2.2 繼電保護(hù)配置圖 - 55 -
A2.3 主變壓器保護(hù)控制原理圖 - 55 -
A2.4 發(fā)電機(jī)保護(hù)控制原理圖 - 55 -
A2.5 220KV斷路器保護(hù)控制原理圖 - 55 -