描述
Woodward XI1S是专业系列中的一种接地故障保护继电器。以下是其相关详情：
功能用途：XI1S用于检测固体接地或电阻接地中性点的电机、线路和网络中的接地故障，主要应用于辐射网络，也常作为系统中心接地点的备用保护装置，可检测系统内发生的所有接地故障。
技术参数
电流承受能力：250 x In（半周期），100 x In持续1秒，30 x In持续10秒，4 x In连续。
辅助电压：19-390 V DC或36-275 V AC（f=40-70 Hz），功耗4W（端子A1和A2）。
输出继电器：具有2个继电器，每个跳闸继电器有1个转换触点。最大断开容量为阻性1250 VA/AC，对应于120 W/DC；感性500VA/AC，对应于75 W/DC。最大额定电压为250 V AC或220 V DC，阻性负载Imax.=0.2 A，感性负载Imax.=0.1 A（在L/R≤50 ms），最小负载为24 V DC时1 W/1 VA（在Umin≥10 V），最大额定电流5 A，感性负载Imax.=5 A，闭合电流(16ms)为20 A，触点寿命在最大断开容量下为105次，触点材料为AgCdO。
工作温度范围：-25°C~+70°C。
设计标准：符合VDE 0435 T303、IEC 0801第1-4部分、VDE 0160、IEC 255-4、BS142、VDE 0871等标准。
The Woodward XI1S is a ground-fault protection relay in the Professional series.Here are some details:
Function:The XI1S is used to detect ground faults in motors,lines,and networks with solid or resistance-grounded neutral points.It is primarily used in radial networks,but is also often used as a backup device for the central ground point of a system.It can detect all ground faults occurring within the system.
Technical Specifications
Current Capacity:250 x In(half cycle),100 x In for 1 second,30 x In for 10 seconds,4 x In continuously.
Auxiliary Voltage:19-390 V DC or 36-275 V AC(f=40-70 Hz),Power Consumption:4 W(Terminals A1 and A2).
Output Relay:2 relays,each with a changeover contact for tripping.Maximum breaking capacity:1250 VA/AC resistive,corresponding to 120 W/DC;500 VA/AC inductive,corresponding to 75 W/DC.Maximum rated voltage is 250 V AC or 220 V DC,resistive load Imax.=0.2 A,inductive load Imax.=0.1 A(at L/R≤50 ms),minimum load is 1 W/1 VA at 24 V DC(at Umin≥10 V),maximum rated current is 5 A,inductive load Imax.=5 A,closing current(16 ms)is 20 A,contact life is 105 operations at maximum breaking capacity,contact material is AgCdO.
Operating temperature range:-25°C to+70°C.
Design standards:Complies with VDE 0435 T303,IEC 0801 Parts 1-4,VDE 0160,IEC 255-4,BS142,VDE 0871,and other standards.
ABB Model: GBU72 3BHE055094R0002 Model: 3BHE055094R0002 GBU72 Model: GBU72 Model: 3BHE055094R0002 Model: 3BHE031197R0001 Model: 3BHB030310R0001 Model: 73BHE055094R0002 GBU72 Model: 73BHE055094R0002 Model: GBU72 Model: ABB PCS6000 PRODUCT FAMLIY ABB 5SHY4045L0006 3BHB030310R0001 3BHE039203R0101 GVC736CE101
