1、電網(wǎng)電壓等級(jí)對(duì)應(yīng)的中壓開(kāi)關(guān)柜(交流低壓開(kāi)關(guān)柜 )電壓等級(jí)各是多少，濟(jì)南ggd低壓開(kāi)關(guān)柜(開(kāi)關(guān)柜配電柜 )樣本為什么開(kāi)關(guān)柜(開(kāi)關(guān)柜GGD )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(源創(chuàng)公司生產(chǎn)的開(kāi)關(guān)柜 )）,是如何計(jì)算出來(lái)的，濟(jì)南ggd低壓開(kāi)關(guān)柜(源創(chuàng)工廠生成的開(kāi)關(guān)柜 )hege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(價(jià)格最優(yōu)的開(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。濟(jì)南ggd低壓開(kāi)關(guān)柜(開(kāi)關(guān)柜哪家好 )樣本
2、為什么10KV的電壓等級(jí)選擇KYN28-12的柜型，濟(jì)南ggd低壓開(kāi)關(guān)柜(鎧裝開(kāi)關(guān)柜 )國(guó)標(biāo)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(配電開(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。濟(jì)南ggd低壓開(kāi)關(guān)柜(雙層開(kāi)關(guān)柜 )hege
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，濟(jì)南ggd低壓開(kāi)關(guān)柜(西門子35KV開(kāi)關(guān)柜 )插拔式7.2，濟(jì)南ggd低壓開(kāi)關(guān)柜(小型化開(kāi)關(guān)柜 )單元數(shù)12，濟(jì)南ggd低壓抽屜柜24，濟(jì)南gcs開(kāi)關(guān)柜(直流開(kāi)關(guān)柜 )40.5，濟(jì)南gck開(kāi)關(guān)柜(中低壓開(kāi)關(guān)柜 )72.5，濟(jì)南10kv高壓開(kāi)關(guān)柜(中置開(kāi)關(guān)柜 )型號(hào)126，濟(jì)南10kv高壓開(kāi)關(guān)柜(繞線電機(jī)開(kāi)關(guān)柜 )結(jié)構(gòu)252kV。濟(jì)南ggd低壓開(kāi)關(guān)柜(鼠籠電機(jī)開(kāi)關(guān)柜 )國(guó)標(biāo)
4.1.2 范圍Ⅱ
額定電壓252kV以上：363，濟(jì)南10kv高壓開(kāi)關(guān)柜(源創(chuàng)開(kāi)關(guān)柜 )柜后放電550，濟(jì)南10kv高壓開(kāi)關(guān)柜(五防開(kāi)關(guān)柜 )故障800kV。濟(jì)南ggd低壓開(kāi)關(guān)柜(一體化開(kāi)關(guān)柜 )插拔式
12kv是設(shè)備額定電壓，濟(jì)南10kv高壓開(kāi)關(guān)柜(源創(chuàng)生產(chǎn)的開(kāi)關(guān)柜 )設(shè)計(jì)10kv是系統(tǒng)額定電壓，濟(jì)南10kv高壓開(kāi)關(guān)柜(高低壓無(wú)線開(kāi)關(guān)柜 )故障停電7.2kv和6kv也是如此。濟(jì)南ggd低壓開(kāi)關(guān)柜(可遠(yuǎn)程控制的開(kāi)關(guān)柜 )單元數(shù)