freepeople性欧美熟妇, 色戒完整版无删减158分钟hd, 无码精品国产vα在线观看DVD, 丰满少妇伦精品无码专区在线观看,艾栗栗与纹身男宾馆3p50分钟,国产AV片在线观看,黑人与美女高潮,18岁女RAPPERDISSSUBS,国产手机在机看影片

正文內(nèi)容

2_法國配電公司巴黎大區(qū)電網(wǎng)運(yùn)行與管理(文件)

2025-03-16 23:08 上一頁面

下一頁面
 

【正文】 A B C D E F G OCRS OCRS OCRS OCRS OCR OCR A B C D E F G ~ remote controlled switches in Paris 巴黎電網(wǎng)安裝了 2023個(gè)遠(yuǎn)程遙控開關(guān) The remote controlled switches (OCR) allow to quickly isolate a faulty portion of a feeder 遠(yuǎn)程遙控開關(guān)可以快速隔離饋線的故障區(qū)域 。 62 The key points of the new design 新設(shè)計(jì)的要點(diǎn) Improvement of the upstream work 改善上游電網(wǎng)結(jié)構(gòu) Installation of gas insulated 225 kV circuit breakers in existing primary substations 在現(xiàn)有的源變電站內(nèi)裝設(shè) 225千伏氣體絕緣斷路器 Two new 225 kV feeders 兩條新的 225千伏饋線 Reinforcement of installed transformation capacity (225 / 20 kV) 現(xiàn)有變電站 (225千伏 /20千伏 )增容 Evolution of the existing structure 現(xiàn)有電網(wǎng)結(jié)構(gòu)的演變 Moving from the 171。結(jié)構(gòu)到互聯(lián)更緊密的結(jié)構(gòu) Links between primary substations = sets 3 c226。 63 Thank you for your attention… 謝謝 ! 演講完畢,謝謝觀看! 。 spindles 187。 structure to a more interconnected structure 從 171。 56 A B C D E F G Area substation 225/20 kV . . . . . . . . . . . . . . LV customers MV cust. MV mercial or industrial customer LV radial work MV/LV substation Area substation 225/20 kV LV radial work Connection of loads to MV clusters 接入中壓電纜組負(fù)荷 57 225kV/20kV變電站 225kV/20kV變電站 中 /低壓變電站 Typical MV / LV substation 典型的中 /低壓變電站 MV switchboard 中壓開關(guān)控制面板 LV switchboard 低壓開關(guān)控制面板 Transformer 變壓器 cluster cables 電纜組 ~5,000 MV / LV distribution substations 5000座中 /低壓配電變電站 Located in buildings or under the pavement 位于地上或地下的變電站 ~2,000 MV / LV customer substations 2023座中壓 /低壓用戶變電站 58 The LV work 低壓電網(wǎng) 59 低壓接線箱 中 /低壓變電站 低壓饋線 低壓接線箱 Diagnosis of the MV Paris work 巴黎低壓電網(wǎng)分析 60 Historically, the Paris work has shown its ability to deliver a high level of quality 從歷史數(shù)據(jù)來看,巴黎電網(wǎng)有能力為城市提供高質(zhì)量供電 Quality of supply in Paris is quite high, when pared to other large cities in the world or to the rest of France 與法國其他城市或世界上其他大城市相比 , 巴黎城市供電質(zhì)量很高 But two major issues have turned up 但是有 2個(gè)主要的問題 SAIDI has been increasing over the last few years 在過去幾年內(nèi),用戶平均每年斷電時(shí)間在增加 This can be seen as a progressive loss of reliability… mainly due to climatic hazards 該現(xiàn)象被認(rèn)為是供電質(zhì)量逐步下降的信號 , 但其主要原因是無法預(yù)知的 惡劣天氣造成的 Heat waves, storms 酷暑 、 暴風(fēng)雨 Paris is also exposed to a risk of flooding 巴黎城區(qū)也有洪災(zāi)的風(fēng)險(xiǎn) Diagnosis of the MV Paris work巴黎低壓電網(wǎng)分析 61 A significant part of the Paris work was built in the 60’s and 70’s 巴黎城區(qū)大部分電網(wǎng)是在上個(gè)世紀(jì)6070年代建成 Older cables and joints have reached the age where their reliability decreases 老舊電纜及接頭已到使用年限 , 該原因造成供電可靠性有所下降 ERDF mainly used two types of cables over the time 一直以來法國配電公司主要使用 2種類型電纜 1980 : paper insulated cables 1980年以前 : 油浸式電纜 ~ km in Paris 在巴黎有 3000公里 1980 : synthetic isolated cables 1980年以后 : 鉸鏈?zhǔn)诫娎| ~ km in Paris 在巴黎有 2023公里 Transition joints between the two technologies are very sensitive to heat waves 兩種電纜的接頭對高 溫十分敏感 ~ joints of this kind in Paris 在巴黎有 A large number of simultaneous failures can result in a crisis 大量的同時(shí)故障會造成停電危機(jī) Simultaneous faults on 2 cables of a cluster cause major interruptions 一組電纜中的 2根電線同時(shí)出現(xiàn)接頭故障是導(dǎo)致大面積停電 。 每組中壓線路 (有 6條中壓饋線 )與同層環(huán)網(wǎng)上的 2臺變壓器相連接 Regarding HV or substation faults, this MV structure presents a N2 capability 在高壓或變電站故障情況下 , 該中壓結(jié)構(gòu)具備 N2能力 Formerly 過去 Each MV cluster was feeding a LV work, meshed, fully interconnected 每組中壓線路與低壓電網(wǎng)連接 , 網(wǎng)狀結(jié)構(gòu) , 完全互聯(lián) The reliability was very high, but with load growth, long duration outages became more frequent and it was decided to radialize the LV work 電網(wǎng)可靠性高 , 但隨著負(fù)荷增長 , 長時(shí)間斷電頻繁 , 因此決定對低 壓電網(wǎng)結(jié)構(gòu)做放射性改造 The radialization was pleted in 1999完成年放射性改造 Today 今天 Each MV cluster feeds a distinct part of the city 每組中壓電纜為城區(qū)某一區(qū)域供電 NATION CORIOLIS Paris MV structure 巴黎中壓電網(wǎng)結(jié)構(gòu) 50 Typical Paris HV/MV substation (2 x 70MVA) 巴黎典型高 /中壓變電站 (2 x 70兆伏安 ) 51 Always 4 clusters between 2 substations 2個(gè)變電站之間總是有 4組電纜 Cluster 2電纜組 Cluster 1 電纜組 Cluster 3電纜組 Cluster 4電纜組 變電站 變電站52 A B C D E F G A B C D E F G Zoom on a MV cluster 一組中壓電纜詳圖 A cluster is formed with 6 distribution feeders A, B, C, D, E, F and a spare 171。 art232。 layers 187。 遠(yuǎn)程遙控開關(guān) “關(guān)閉狀態(tài) ” Remote controled switch 171。 du 0 4 07 03 H T : 4 00 kV 40 Traditional open loop structure 傳統(tǒng)的開環(huán)結(jié)構(gòu) HV/MV substation 高 /中壓變電站 HV/MV substation 高 /中壓變電站 MV/LV substation 中 /低壓變電站 Remote controlled switch 遠(yuǎn)程遙控開關(guān) MV/LV substation 中 /低壓變電站 ?Reference structure for urban areas 城區(qū)的參考結(jié)構(gòu) A simple and efficient structure Offers a sufficient level of security in most cases 該結(jié)構(gòu)簡單、高效,可滿足大部分情況下的需求 41 171。ins t a ll a t ion T e ns ion de r a c c o r de m e nt P ? 250 kV A BT 250 kV A P ? 12 M W A r r 234。) 區(qū)域劃分 171。 guaranteed 187。ledeFrance 法國配電公司巴黎大區(qū) 158 HV/MV substations MW 158個(gè)高 /中壓變電站 MW
點(diǎn)擊復(fù)制文檔內(nèi)容
職業(yè)教育相關(guān)推薦
文庫吧 www.dybbs8.com
備案圖鄂ICP備17016276號-1