一．?廠用6KV保護(hù)配置
1．?二期廠用6KV保護(hù)全部采用西門子(中國(guó))有限公司生產(chǎn)的微機(jī)保護(hù)裝置。
序號(hào)?開(kāi)關(guān)柜號(hào)?廠用設(shè)備名稱?開(kāi)關(guān)型號(hào)?所配保護(hù)
1.??40BBA01?工作電源進(jìn)線?3AH3117-7?7SJ62
2.??40BBA02?電壓互感器及避雷器??
3.??40BBA03?備用電源進(jìn)線?3AH3117-7?7SJ62
4.??40BBA04?#1循環(huán)水泵?3AH3117-2?7UM62
5.??40BBA05?電動(dòng)給水泵?3AH3117-2?7UM62
6.??40BBA06?#1凝結(jié)水泵?3AH3117-2?7UM62
7.??40BBA07?#1汽動(dòng)給水泵前置泵?3TL6133-4BF4-Z ?7SJ62
8.??40BBA08?#1工業(yè)水泵?3TL6133-4BF4-Z?7SJ62
9.??40BBA09?除塵低壓#1變壓器?3AH3117-2?7UM62
10.??40BBA10?#1汽機(jī)低壓變壓器?3AH3117-2?7UM62
11.??40BBA11?除塵低壓#2變壓器?3AH3117-2?7UM62
12.??40BBA12?#2檢修低壓變壓器?3TL6133-4BF4-Z?7SJ62
13.??40BBA13?#1鍋爐低壓變壓器?3AH3117-2?7SJ62
14.??40BBA14?備用?3TL6133-4BF4-Z?7SJ62
15.??40BBA15?備用?3AH3117-2?7SJ62
16.??40BBA16?#1磨煤機(jī)?3TL6133-4BF4-Z?7SJ62
17.??40BBA17?#3磨煤機(jī)?3TL6133-4BF4-Z?7SJ62
18.??40BBA18?#5磨煤機(jī)?3TL6133-4BF4-Z?7SJ62
19.??40BBA19?#3空壓機(jī)?3TL6133-4BF4-Z?7SJ62
20.??40BBA20?#1除灰螺桿空壓機(jī)?3TL6133-4BF4-Z?7SJ62
21.??40BBA21?#2除灰螺桿空壓機(jī)?3TL6133-4BF4-Z?7SJ62
22.??40BBA22?#1送風(fēng)機(jī)?3AH3117-2?7SJ62
23.??40BBA23?#1引風(fēng)機(jī)?3AH3117-2?7UM62
24.??40BBA24?#1一次風(fēng)機(jī)?3AH3117-2?7UM62
25.??40BBA25?備用?3AH3117-2?7SJ62
26.??40BBA26?短路試驗(yàn)裝置電源?3AH3117-2?7SJ62
27.??40BBA27?備用?3TL6133-4BF4-Z?7SJ62
28.??40BBB01?工作電源進(jìn)線?3AH3117-7?7SJ62
29.??40BBB02?電壓互感器及避雷器??
30.??40BBB03??備用電源進(jìn)線?3AH3117-7?7SJ62
31.??40BBB04?#2循環(huán)水泵?3AH3117-2?7UM62
32.??40BBB05?節(jié)水低壓#2變壓器?3AH3117-2?7UM62
33.??40BBB06?#2凝結(jié)水泵?3AH3117-2?7UM62
34.??40BBB07?#2汽動(dòng)給水泵前置泵?3TL6133-4BF4-Z?7SJ62
35.??40BBB08?#2工業(yè)水泵?3TL6133-4BF4-Z?7SJ62
36.??40BBB09?#2照明低壓變壓器?3TL6133-4BF4-Z?7SJ62
1.??40BBB10?#2汽機(jī)低壓變壓器?3AH3117-2?7UM62
2.??40BBB11?#2公用低壓變壓器?3AH3117-2?7UM62
3.??40BBB12?#2除灰低壓變壓器?3AH3117-2?7SJ62
4.??40BBB13?#2鍋爐低壓變壓器?3AH3117-2?7SJ62
5.??40BBB14?消防泵房#2變壓器?3TL6133-4BF4-Z?7SJ62
6.??40BBB15?備用?3TL6133-4BF4-Z?7SJ62
7.??40BBB16?#2磨煤機(jī)?3TL6133-4BF4-Z?7SJ62
8.??40BBB17?#4磨煤機(jī)?3TL6133-4BF4-Z?7SJ62
9.??40BBB18?#6磨煤機(jī)?3TL6133-4BF4-Z?7SJ62
10.??40BBB19?#4空壓機(jī)?3TL6133-4BF4-Z?7SJ62
11.??40BBB20?備用?3TL6133-4BF4-Z?7SJ62
12.??40BBB21?#3除灰螺桿空壓機(jī)?3TL6133-4BF4-Z?7SJ62
13.??40BBB22?#2送風(fēng)機(jī)?3AH3117-2?7SJ62
14.??40BBB23?#2引風(fēng)機(jī)?3AH3117-2?7UM62
15.??40BBB24?#2一次風(fēng)機(jī)?3AH3117-2?7UM62
16.??40BBB25?除塵低壓#3變壓器?3AH3117-2?7UM62
17.??40BBB26?輸煤系統(tǒng)#2電源?3AH3117-2?7UM62
18.??40BBB27?備用?3AH3117-2?7SJ62
19.??40BBB28?備用?3TL6133-4BF4-Z?7SJ62
保護(hù)裝置簡(jiǎn)介

?2.1? 7SJ62微機(jī)保護(hù)繼電器
7SJ62是一種數(shù)字化，多功能保護(hù)控制綜合單元，采用功能強(qiáng)大的微處理器。所有的工作都以數(shù)字方式進(jìn)行。

2.1.1 測(cè)量輸入部分
?? 包括4個(gè)CT和3個(gè)PT。CT用于測(cè)量相電流和In。PT用于采集三個(gè)相電壓或兩個(gè)線電壓和3Vo。

2.1.2 電源
?? 7SJ62可使用24V－250V直流工作電源，也可用115V—230V的交流電。

2.1.3? 電機(jī)保護(hù)：
???? A過(guò)流保護(hù)（50，50N, 51, 51N）????
???? B 靈敏接地故障檢測(cè)（64，50Ns，67Ns
???? C 過(guò)負(fù)荷告警
???? D 低電壓保護(hù)
???? E 壓力跳閘

? 變壓器保護(hù)
???? A過(guò)流保護(hù)（50，50N, 51, 51N）????
???? B 靈敏接地故障檢測(cè)（64，50Ns，67Ns
?? C 過(guò)負(fù)荷告警