ABB REX521GHHPSH51G 馈线保护继电器 成都阳光熹禾

产品细节说明:REX521GHHPSH51G ABB 馈线保护继电器

1. 过流保护：能够在馈电线路上出现超过额定电流时及时切断电路，防止设备损坏或火灾 。
2. 短路保护：具备检测馈电线路上的短路故障的能力，并在检测到短路电流时迅速切断电路 。
3. 接地故障保护：对于中性点接地的电力系统，能够检测接地故障并采取保护措施，确保电力系统的安全运行 。
4. 多功能保护：除了基本的保护功能，REX521GHHPSH51G 还提供多功能保护，包括方向过电流保护、两段零序过流(接地)保护、过电压保护、低电压保护等 。
5. 高级功能：具备电动机启动监视、转子堵转保护、三相电动机热过负荷保护、逆相序保护、复合电压保护等高级功能 。

REX521GHHPSH51G

产品详情参数:REX521GHHPSH51G ABB 馈线保护继电器

1. 状态监测：提供断路器累积电气磨损计算、故障录波、跳闸回路监视、断路器失灵保护等状态监测功能 。
2. 电能质量测量：可以测量电压或电流的总谐波畸变率（THD）以用于电能质量监视 。
3. 通信功能：支持网络通信，可能通过CAN端口或串行通信端口配置，实现与其他系统或组件的信息交换 。
4. 用户友好的界面：具有多语言用户界面和清晰的警报文本消息，提供了良好的用户体验 。

REX521GHHPSH51G ABB  应用领域:

REX521GHHPSH51G 馈线保护继电器以其高可靠性、多功能保护和先进的状态监测功能，适用于多种工业和民用领域的电力系统，确保电力系统的稳定运行和安全性 。

Product details: REX521GHHPSH51G ABB feeder protection relay
Overcurrent protection: It can promptly cut off the circuit when the rated current is exceeded on the feeder line, preventing equipment damage or fire.
Short circuit protection: It has the ability to detect short circuit faults on the feeding line and quickly cut off the circuit when a short circuit current is detected.
Ground fault protection: For power systems with neutral grounding, it is possible to detect ground faults and take protective measures to ensure the safe operation of the power system.
Multi functional protection: In addition to basic protection functions, REX521GHHPSH51G also provides multifunctional protection, including directional overcurrent protection, two-stage zero sequence overcurrent (grounding) protection, overvoltage protection, low voltage protection, etc.
Advanced features: It has advanced functions such as motor start monitoring, rotor stall protection, three-phase motor thermal overload protection, reverse phase sequence protection, and composite voltage protection.
Product details and parameters: REX521GHHPSH51G ABB feeder protection relay
Status monitoring: Provides status monitoring functions such as cumulative electrical wear calculation of circuit breakers, fault recording, trip circuit monitoring, and circuit breaker failure protection.
Power quality measurement: It can measure the total harmonic distortion (THD) of voltage or current for power quality monitoring.
Communication function: Supports network communication, which may be configured through CAN ports or serial communication ports to achieve information exchange with other systems or components.
User friendly interface: With a multilingual user interface and clear alert text messages, it provides a good user experience.
REX521GHHPSH51G ABB application areas:

The REX521GHHPSH51G feeder protection relay is suitable for various industrial and civilian power systems due to its high reliability, multifunctional protection, and advanced status monitoring functions, ensuring the stable operation and safety of the power system.

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