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JN15-12/31.5 模块化智能预制舱式变电站
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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