1、電網(wǎng)電壓等級(jí)對(duì)應(yīng)的中壓開(kāi)關(guān)柜(開(kāi)關(guān)柜GGD )電壓等級(jí)各是多少,德州ggd低壓開(kāi)關(guān)柜(源創(chuàng)公司生產(chǎn)的開(kāi)關(guān)柜 )國(guó)標(biāo)為什么開(kāi)關(guān)柜(源創(chuàng)工廠生成的開(kāi)關(guān)柜 )的電壓要比對(duì)應(yīng)的電網(wǎng)電壓高(如35KV電網(wǎng)對(duì)應(yīng)40.5KV開(kāi)關(guān)柜(價(jià)格最優(yōu)的開(kāi)關(guān)柜 )),是如何計(jì)算出來(lái)的,德州ggd低壓開(kāi)關(guān)柜(開(kāi)關(guān)柜哪家好 )插拔式有沒(méi)有相關(guān)標(biāo)準(zhǔn)要求等規(guī)范(如國(guó)標(biāo)等)?
6kv系統(tǒng)電壓等級(jí)對(duì)應(yīng)7.2kv開(kāi)關(guān)柜(鎧裝開(kāi)關(guān)柜 ),相應(yīng)的10kv-->12kv20kv-->24kv35kv-->40.5設(shè)備額定電壓未系統(tǒng)運(yùn)行電壓均方根值,大概1.2倍必須要大,不能正合適,要有余量。德州ggd低壓開(kāi)關(guān)柜(配電開(kāi)關(guān)柜 )國(guó)標(biāo)
2、為什么10KV的電壓等級(jí)選擇KYN28-12的柜型,德州ggd低壓開(kāi)關(guān)柜(雙層開(kāi)關(guān)柜 )單元數(shù)35KV的選擇JYN-40.5的柜型?那6KV選多大?7.2KV么?
高(中)壓開(kāi)關(guān)柜(西門(mén)子35KV開(kāi)關(guān)柜 )的額定電壓按GB/T11022-1999標(biāo)準(zhǔn)
4.1 額定電壓(Ur)5]
額定電壓為開(kāi)關(guān)設(shè)備和控制設(shè)備所在系統(tǒng)的最高電壓上限。德州ggd低壓開(kāi)關(guān)柜(小型化開(kāi)關(guān)柜 )插拔式
額定電壓的標(biāo)準(zhǔn)值如下:
4.1.1 范圍I
額定電壓252kV及以下:3.6,德州ggd低壓抽屜柜7.2,德州gcs開(kāi)關(guān)柜(直流開(kāi)關(guān)柜 )12,德州gck開(kāi)關(guān)柜(中低壓開(kāi)關(guān)柜 )24,德州10kv高壓開(kāi)關(guān)柜(中置開(kāi)關(guān)柜 )型號(hào)40.5,德州10kv高壓開(kāi)關(guān)柜(繞線(xiàn)電機(jī)開(kāi)關(guān)柜 )結(jié)構(gòu)72.5,德州10kv高壓開(kāi)關(guān)柜(鼠籠電機(jī)開(kāi)關(guān)柜 )柜后放電126,德州10kv高壓開(kāi)關(guān)柜(源創(chuàng)開(kāi)關(guān)柜 )故障252kV。德州ggd低壓開(kāi)關(guān)柜(五防開(kāi)關(guān)柜 )單元數(shù)
4.1.2 范圍Ⅱ
額定電壓252kV以上:363,德州10kv高壓開(kāi)關(guān)柜(一體化開(kāi)關(guān)柜 )設(shè)計(jì)550,德州10kv高壓開(kāi)關(guān)柜(源創(chuàng)生產(chǎn)的開(kāi)關(guān)柜 )故障停電800kV。德州ggd低壓抽屜柜
12kv是設(shè)備額定電壓,德州10kv高壓開(kāi)關(guān)柜(高低壓無(wú)線(xiàn)開(kāi)關(guān)柜 )母線(xiàn)安裝方案10kv是系統(tǒng)額定電壓,德州10kv高壓開(kāi)關(guān)柜(可遠(yuǎn)程控制的開(kāi)關(guān)柜 )主母線(xiàn)多大7.2kv和6kv也是如此。德州gcs開(kāi)關(guān)柜(山東開(kāi)關(guān)柜 )