描述
ABB UAA326A04是一款功能多样的工业自动化模块，其常见型号为HIEE300024R4。以下是其产品详情：
基本信息
产品类型：通信模块
品牌：ABB
工作温度：0℃至+55℃
存储温度：-20℃至+85℃
湿度：相对湿度为20%至80%，无凝露
功能特点
保护功能丰富：集成三相差动继电器、三相过电流继电器和多可配置接地故障继电器。其中，稳定差动继电器模块可为两绕组电力变压器和发电机变压器单元提供绕组短路和匝间故障保护，也可为发电机提供绕组间短路保护；接地故障继电器模块可根据所选原理为变压器高压侧和低压侧提供保护。
报警与控制功能：由常开或常闭触点激活的报警通道，拥有四个重型输出继电器用于断路器跳闸，五个输出继电器用于信号，还具备五个可编程外部控制输入，用于接收来自气体继电器、油温传感器和变压器辅助设备的其他传感器的报警和跳闸信号。
性能稳定可靠：即使在电流互感器部分饱和的情况下，运行时间也很短。在保护区外和变压器涌入电流下发生故障时，可稳定防止不必要的操作，还具有二次谐波抑制和五次谐波抑制功能，以防止变压器涌入电流和过励磁时不必要的继电器操作。此外，该模块对电气和电磁干扰具有高抗扰度，由于持续监控硬件和软件，因此具有高可用性和系统可靠性。
参数设置与监测便捷：宽CT比率校正范围，可通过数字设置进行精确校正；差动继电器和接地故障继电器模块，具有模拟和数字信号的集成干扰记录器功能，用于触发的信号可选；灵敏的相电流和相角显示有助于检查通电电路连接和矢量组匹配。
应用领域：该模块是SPACOM产品系列和ABB配电自动化系统的成员，可用于保护两绕组电力变压器、发电机变压器单元、三绕组电力变压器、补偿扼流圈和短电缆线路等。
The ABB UAA326A04 is a versatile industrial automation module,with a common model number of HIEE300024R4.Here are its product details:
Basic Information
Product Type:Communication Module
Brand:ABB
Operating Temperature:0°C to+55°C
Storage Temperature:-20°C to+85°C
Humidity:20%to 80%relative humidity,non-condensing
Features
Comprehensive Protection Functions:Integrates a three-phase differential relay,a three-phase overcurrent relay,and a multi-configurable ground fault relay.The stable differential relay module provides winding short-circuit and inter-turn fault protection for two-winding power transformers and generator transformers,and also provides inter-winding short-circuit protection for generators;the ground fault relay module provides protection for the high-voltage and low-voltage sides of the transformer based on the selected principle.
Alarm and Control Functions:Alarm channels activated by normally open or normally closed contacts;four heavy-duty output relays for circuit breaker tripping,five output relays for signaling,and five programmable external control inputs for receiving alarm and tripping signals from gas relays,oil temperature sensors,and other sensors in transformer auxiliary equipment.
Stable and Reliable Performance:Short operating time even with partial saturation of the current transformer.Stable prevention of unnecessary operation during faults outside the protection zone and under transformer inrush current;second and fifth harmonic suppression to prevent unnecessary relay operation during transformer inrush current and overexcitation.High immunity to electrical and electromagnetic interference;high availability and system reliability due to continuous monitoring of hardware and software.
Easy Parameter Setting and Monitoring:Wide CT ratio correction range with precise digital setting;integrated fault recorder for analog and digital signals in the differential and ground fault relay modules,with selectable trigger signals;sensitive phase current and phase angle display helps check power circuit connections and vector group matching.Application areas:This module is part of the SPACOM product series and ABB’s distribution automation system,and can be used for protecting two-winding power transformers,generator transformer units,three-winding power transformers,compensating reactors,and short-length power cables,etc.
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