Schneider Electric Easergy MiCOM P343 Numerical Generator Protection Relay

Schneider Electric Easergy MiCOM P343 Numerical Generator Protection Relay is designed to provide advanced protection, control and monitoring for generators used in utility, industrial and renewable energy applications. It offers a complete protection package for synchronous generators and generator-transformer units, helping improve system reliability while reducing the risk of equipment damage.

The MiCOM P343 combines generator protection with synchronising, measurement, event recording and communication functions in a single relay. Its flexible configuration allows it to be used across a wide range of generator installations, from small generating units to large power stations. The relay also supports renewable energy projects and variable-speed generating systems where dependable protection and accurate monitoring are essential.

Designed for modern substations, the MiCOM P343 integrates easily with SCADA and automation systems through IEC 61850 and other industry-standard communication protocols. Programmable logic, remote monitoring, advanced cybersecurity and detailed fault recording provide operators with the information needed for efficient system operation and maintenance.

Specifications

• Manufacturer: Schneider Electric
• Product Family: Easergy MiCOM
• Model: MiCOM P343
• Relay Type: Numerical Generator Protection Relay
• Protection Application: Generator protection and control
• Suitable For: Synchronous generators, generator-transformer units and renewable energy systems
• Generator Protection: Yes
• Generator Monitoring: Yes
• Generator Control: Yes
• Synchronising Function: Supported
• Measurement Functions: Comprehensive electrical measurements
• Event Recording: Supported
• Disturbance Recording: Supported
• Remote Monitoring: Supported
• Programmable Logic: Supported
• Communication Interfaces: Serial and Ethernet
• Communication Protocols: IEC 61850 and other industry-standard protocols
• Cybersecurity: IEC 62351 compliant
• Human Machine Interface: Multi-language HMI
• Mounting Options: Standard modular case

Features

• Numerical relay designed for generator protection and control.
• Suitable for utility, industrial and renewable energy applications.
• Supports generator synchronising and advanced monitoring functions.
• Provides detailed measurements, event recording and disturbance records.
• User-programmable logic allows flexible protection schemes.
• Supports IEC 61850 communication for substation automation.
• Remote monitoring simplifies system supervision.
• High-performance output contacts provide dependable operation.
• Cybersecurity features help protect communication and user access.
• Easy integration with SCADA and power management systems.

Applications

• Utility power stations
• Captive power plants
• Generator-transformer protection
• Industrial power generation
• Renewable energy plants
• Hydroelectric power stations
• Cogeneration plants
• Distributed generation systems

Schneider Electric Easergy MiCOM P343 Numerical Generator Protection Relay combines advanced protection, monitoring and communication features in a single platform, making it suitable for critical generator applications where dependable operation and reliable system control are essential.