REX521GHHPSH07G Feeder terminal power protection device
REX521GHHPSH07G is a feeder protection relay produced by ABB. This type of relay is commonly used for feeder protection in power systems to monitor and protect the feeders (or transmission lines) in the power system, ensuring their safe and stable operation.
Product Introduction
REX521GHHPSH07G feeder protection relay is a digital relay specifically designed for feeder protection. It has high-precision measurement and fast protection action capability, which can detect and respond to faults on the feeder line in a timely manner, protecting the safety of power system equipment and personnel.
Key functions and advantages
Multiple protection functions: Supports multiple protection functions, including overcurrent protection, overload protection, short circuit protection, grounding protection, etc., which can comprehensively protect the feeder system.
High precision measurement: With high-precision current and voltage measurement functions, it can accurately monitor parameters such as current and voltage in the feeder system.
Quick protection action: It has the ability to quickly protect and cut off the faulty part when a fault is detected, protecting other parts of the system from being affected.
Intelligent logic control: Using intelligent logic control algorithms, it can automatically adjust protection parameters and action logic according to different fault situations.
Communication interface: Supports multiple communication interfaces such as IEC 61850, Modbus, etc., facilitating data exchange and system integration with other devices.
application area
The REX521GHHPSH07G feeder protection relay is mainly used in the following fields:
Transmission network: used for feeder protection in the transmission network to ensure the safe and stable operation of transmission lines.
Substation: In a substation, it is used for the protection and control of feeders, protecting substation equipment from the effects of feeder faults.
Power Engineering: In power engineering projects, the design and implementation of feeder protection for new construction and renovation projects.
Industrial power system: In industrial power systems, it is used to protect important feeders and feeders connected to the power grid.
Operation and maintenance suggestions
Regular inspection and testing: Regularly perform functional testing and inspection on relays to ensure their normal operation.
Firmware update: Timely update the firmware and software of the relay to obtain the latest features and safety patches.
Data backup: Regularly backup the data recorded by relays to prevent data loss or damage.
Personnel training: Provide systematic training and skill enhancement to operation and maintenance personnel to improve their troubleshooting and maintenance capabilities.
Spare parts management: Maintain an appropriate inventory of spare parts so that faulty components can be replaced in a timely manner when needed.
Overall, the REX521GHHPSH51G feeder protection relay is one of the important protection devices in the power system. Through proper operation and maintenance, the safe and reliable operation of the feeder system can be ensured.
Attention: Due to the large number of products from our company, the pictures cannot match each other. Please contact me to confirm the actual product!
The company has a leading advantage in discontinuing control system components. We have a large inventory and surplus of control system components, as well as some hardware for the discontinued control system. We have also released many new hardware and products to support your existing control system or apply new control technologies. The discontinued “DCS system spare parts, PLC module spare parts,” complete machine and accessories series have a strong advantage. As long as you need PLC products, we can help you find them. The company has a great price advantage.
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