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JN15-12/31.5                                                                       模块化智能预制舱式变电站
                                                                                                    www.shfateng.com
                                  户内高压接地开关                                                        专注细节    品质取胜
                                  Indoor high voltage grounding switch                   Focus on the details of quality to win




          概述 Overview

          JN15-12/31.5 型户内高压接地开关是我公司根据 ES1 型接地开关原型设计开发的一种具有国际先进水平的新型接地开关。结构形式为组装式,其性能符合
          GB1985-2004《交流高压隔离开关和接地开关》及 lEC129 的要求,适用于户内 3~12Kv 三相交流 50 (60) Hz 的电力系统中:它具有一定的关合能力以保护开
          关设备内其它电气设备不受损坏,可与各种高压开关柜配套使用,作为高压电器设备检修时的接地保护。
                                                                                                                     最新小型柜
          JN15-12/31.5 type indoor high voltage grounding switch is our company according to ES1 grounding switch prototype design and development of a new level of
          international advanced grounding switch. The structure is assembled, its performance in line with GB1985-2004 "AC high voltage disconnector and grounding
          switch" and lEC129 requirements for indoor 3 ~ 12Kv three-phase AC 50 (60) Hz power system: it has a certain The ability to protect the switchgear within the other
          electrical equipment from damage, with a variety of high-voltage switchgear supporting the use of high-voltage electrical equipment for maintenance when the
          ground protection.



         型号及含义 Type and meaning                                                                                     GE
                                                                                                                     品牌授权柜
          J     N    15    -    12    /    31.5    -    □

          ① ② ③     ④     ⑤     ⑥
         ①  接地开关;                       ①  Grounding switch ;
         ②  户内;                         ②  indoor ;                                                                  箱式变电站
         ③  设计序号;                       ③  Design No. ;
         ④  额定电压 (kV);                  ④  Rated voltage (kV) ;
         ⑤  额定短时耐受电流 (kA);              ⑤  Rated short time withstand current (kA) ;
         ⑥  相间距离;                       ⑥  Interphase distance ;
                                                                                                                     高压开关柜

         使用条件 Service condition

         ■ 环境温度:上限 +40℃,下限 -10℃;
         ■ 环境湿度:日相对湿度平均值不超过 95%,月相对湿度平均值不超过 90%;
                                                                                                                     低压开关柜
         ■ 海拨高度:不超过 1000 米;
         ■ 地震列度:不超过 8 度;
         ■ 污秽等级:Ⅱ级。
         ■ Ambient temperature: upper limit + 40℃ , lower limit -10℃ ;
         ■ Ambient humidity: Daily average relative humidity of not more than 95%, the average monthly relative humidity of not more than 90%;
         ■ altitude: no more than 1000 meters;                                                                       电缆分支箱、元件及配电系统
         ■ earthquake scale: no more than 8 degrees;
         ■ Pollution level: Class II.


         主要技术参数 The main technical parameters

         ■ 额定电压:12kV;                                 ■ Rated voltage: 12kV ;
         ■ 额定短时耐受电流 ( 热稳定 ):31.5kA;                   ■ Rated short-time withstand current (thermal stability): 31.5kA ;
         ■ 额定短路持续时间:4S;                               ■ Rated short circuit duration: 4S ;
         ■ 额定短路关合电流:80kA;                             ■ Rated short circuit closing current: 80kA ;
         ■ 额定峰值耐受电流 ( 动稳定 ):80kA;                     ■ Rated peak withstand current (dynamic stability): 80kA ;     电力总包工程
         ■ 额定绝缘水平 :                                   ■ Rated insulation level:
              额定短时工频耐受电压 , 相对地及相间 42kV;                    Rated short frequency withstand voltage,Relative and interphase 42kV ;
                                                           Rated lightning impulse withstand voltage,Relative and interphase 75kV ;
              额定雷电冲击耐受电压 , 相对地及相间 75kV;
                                                      ■ Mechanical life: 2000 Times
         ■ 机械寿命:2000 次;
                                                                                             携手法腾、共创未来      090
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