產品概述 Product brief account

預裝式變電站(美式箱變)，專門為我國城市配網而 制造的新型產品。主要用于電壓為10kV的環網系統和城 網改造中，既可用于戶外，又可用于戶內，適用于各類公共 場所；各類工礦企業；機場、車站、港口、高速公路、地 鐵等交通場所。

pad-mounted transformeris

a new product especially for city distribution network. It mainly used in1 OkV ring-network system or city-network. It can be used both indoorand outside,kinds of public place, kinds of industrial and mining enterprise, airport, station, transport, high-speed way, subway, etc.

主要技術參數Main technical data

額定電壓Rated voltage

原邊Original site6?12kV

副邊Vice site0.4kV

額定工作電壓Rated working voltage12kV

額定頻率Rated frequency50Hz

額定容:K Rated capacity100~630kVA

一分鐘工頻耐受電壓1min frequency withstand voltage35kV

雷電沖擊耐受電壓Lightning impulse withstand voltage95 kV

二秒短時耐受電流2s short-time withstand current12kA

高壓后備限流牌斷器遮斷容置High-voltage limited-current fuse capacity50kA

無載調壓No-load voltage(6~10)±2X2.5%

環境溫度Environment temperature-20°C ?40°C

允許溫升Allowed temperature55K

防護等級Protection classIP43