Page 21 - 苏州施源特(中德合资)电气有限公司
P. 21
FVW28-12(FFK) 户外分界真空负荷开关
FVW28-12 (FFK) outdoor demarcation vacuum load switch
使用环境条件 / Environmental conditions
> 空气温度:-25℃ ~+70℃; > The air temperature: -25℃ ~ + 70 ℃ ;
> 海拔高度:2000m; > Altitude: 2000m;
> Wind speed ≤ 35 m / s, relative humidity ≤ 95;
> 风速≤ 35 米 / 秒,相对湿度≤ 95;
> Seismic intensity: 8 degree earthquake intensity;
> 抗震烈度:地震烈度 8 度; > Ground horizontal acceleration 1/4g, perpendicular to the ground
> 地面水平加速度 1/4g,地面垂直加速度 1/8g,安全系数 1.7; acceleration 1/8g, safety factor of 1.7;
> Pollution grade: III grade;
> 污秽等级:III 级;
> Ice thickness: 10mm;
> 覆冰厚度:10mm; > System neutral grounding: ungrounded / arc suppression coil
> 系统中性点接地方式:中性点不接地 / 消弧线圈接地 / 小电阻接地系统。 grounding / low resistance grounding system.
主要技术参数 / The main technical parameters
项目Project 单位Unit 参数Parameter
工作电源Power supply V 50Hz,AC220V
允许盘偏差20%纹波:≤2%
工作电源Power supply V
Allow the disc deviation of 20% Ripple: ≤2%
功耗Power W 6W
电压互感器Voltage transformer V,VA 250V,0.1VA
电流互感器Current Transformer A,VA 1A,0.1VA
零序电流互感器Zero sequence current transformer A,VA 1A,0.1VA
输出节点容量Output contact capacity A,V 2A/230V DC
负荷控制Load Control s 60s(可整定Settable)
锁定时间lock time ms <600A:160ms;>600A:700ms
零序电流设定值Zero sequence current setpoint A 0.4A-2.0A
序电流时间设定值Zero-sequence current time setting s 0.6s-15s
绝缘电阻Insulation resistance MΩ 500,DC1000v
电源,电源,合闸:AC,2000V
绝缘电压Insulation voltage V
Power supply, power supply, closing: AC, 2000V
额定电压,频率Rated voltage, frequency kV,Hz 12,50
额定电流Current Rating A 630
额定短时耐受电流Rated short time withstand current kV 20kA/16kA,4S
额定关合电流Rated making current kV 50
工频耐受电压对地/相间/断口 kV 42/42/49
Power frequency withstand voltage to earth / white / fracture
雷电冲击耐受电压对地/相间/断口 kV 75/75/85
Lightning impulse withstand voltage to earth / white / fracture
绝缘电阻Insulation resistance MΩ 2000
机械寿命,额定电流下电寿命 次Secondary 10000,5000
Mechanical life, electrical life at rated current
重量weight kg 198/195
0表压/≤1%
SF6气体压力/年漏电率SF6 gas pressure / leakage rate of
0 psig / ≤1%
CT变比CT ratio 630:1
零序电流CT变比Zero sequence current CT ratio 20:1
零序电压鉴相器ZPD/Zero-sequence voltage phase detector ZPD mA,DEC 2,-180°~+180°
电源变压器SPS/Power transformer SPS kv/v,VA 10.5/230,100
www.szsytdq.com-14