ABB REX521GHHPSH07G

ABB REX521GHHPSH07G 馈线终端电力保护装置是电力系统中的一个重要保护设备,主要作用是在馈线发生短路、接地故障或其他异常情况时,快速切除故障,保护电力系统的稳定运行。它可以感应电力系统中的异常电流、电压信号,与事先设定的故障保护条件进行比较,当检测到故障时实现快速切断故障环节,防止故障向电网扩散。

规格

  • 工作电压:10 … 35 V DC
  • 空载电流(最大):40 mA
  • 绝缘耐压强度:500 V
  • 外壳尺寸:144 x 155 x 12 mm
  • 外壳材料:铝 (黑色, 阳极氧化)
  • 防护等级:IP 67
  • 工作环境温度:-10 … +60 °C

 

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描述

ABB REX521GHHPSH07G

ABB REX521GHHPSH07G 馈线终端电力保护装置是电力系统中的一个重要保护设备,主要作用是在馈线发生短路、接地故障或其他异常情况时,快速切除故障,保护电力系统的稳定运行。它可以感应电力系统中的异常电流、电压信号,与事先设定的故障保护条件进行比较,当检测到故障时实现快速切断故障环节,防止故障向电网扩散。

规格

  • 工作电压:10 … 35 V DC
  • 空载电流(最大):40 mA
  • 绝缘耐压强度:500 V
  • 外壳尺寸:144 x 155 x 12 mm
  • 外壳材料:铝 (黑色, 阳极氧化)
  • 防护等级:IP 67
  • 工作环境温度:-10 … +60 °C

 

作用特征

  • 速动性:能够迅速检测和响应电力系统中的故障。
  • 选择性:能够选择性地切除故障部分,保护非故障部分继续运行。
  • 可靠性:采用先进的设计和制造工艺,具有高可靠性。
  • 灵敏性:能够灵敏地检测到电力系统中的微弱故障信号。
  • 强大的通信功能:可以通过光纤或电缆与其它设备进行通信,实现信息共享和远程控制。
  • 可编程和调试安装:支持可编程和调试安装,方便用户根据实际需求进行定制和调试。
  • 宽泛的适用行业:适用于电厂、钢厂、水泥厂、船舶、造纸等多个行业。

应用领域

ABB REX521GHHPSH07G 馈线终端电力保护装置广泛应用于交流电压等级为110kV及以下的电网中,对各种电力设备进行全面的保护。它特别适用于电厂、钢厂、水泥厂、船舶、造纸等行业的电力系统,能够确保电力系统的稳定运行,避免事故扩大,减少设备损坏和停电时间

The ABB REX521GHHPSH07G Feeder Terminal Power Protection Device is a crucial protection equipment in power systems. Its primary function is to rapidly eliminate faults in feeder lines, such as short circuits, grounding faults, or other abnormal conditions, thereby safeguarding the stable operation of the power system. It can sense abnormal current and voltage signals in the power system, compare them with pre-set fault protection conditions, and quickly disconnect faulty components to prevent the spread of faults to the grid

Specifications:

  • Operating Voltage: 10 … 35 V DC
  • No-load Current (Maximum): 40 mA
  • Insulation Withstand Voltage: 500 V
  • Enclosure Dimensions: 144 x 155 x 12 mm
  • Enclosure Material: Aluminum (Black, Anodized)
  • Protection Class: IP 67
  • Operating Temperature Range: -10 … +60 °C

Functional Characteristics:

  • Rapid Action: Capable of promptly detecting and responding to faults in power systems
  • Selectivity: Able to selectively isolate faulty sections, protecting non-faulty sections from interruption
  • Reliability: Features advanced design and manufacturing techniques, ensuring high reliability
  • Sensitivity: Can sensitively detect weak fault signals in power systems
  • Robust Communication Capabilities: Can communicate with other devices via optical fiber or cables, enabling information sharing and remote control
  • Programmable and Commissioning: Supports programming and commissioning, allowing for customization and adjustment according to user needs
  • Wide Applicability: Suitable for various industries such as power plants, steel mills, cement factories, ships, and paper mills

Application Fields:

The ABB REX521GHHPSH07G Feeder Terminal Power Protection Device is extensively used in power grids with AC voltage levels up to 110kV. It provides comprehensive protection for various power equipment. It is particularly suitable for power systems in industries such as power plants, steel mills, cement factories, ships, and paper


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