Description

GE / Alstom MIN Digital Ground Protection

The MIN, a member of the M Family of protection relays, is a digital relay that provides ground directional protection for feeders of any voltage level and backup/auxiliary ground directional protection for transformers, generators and motors. The MIN offers advanced protection that includes the features listed below.

Applications
• Directional ground protection relay
• Backup/auxiliary protection for line schemes
• Component relay for generator, motor, and transformer packages Protection and Control
• Two ground IOC (high and low) units for grounded systems
• Two ground TOC (high and low) units for grounded systems
• Two directional units (6″N) for grounded systems
• Two directional units for undergrounded or Petersen coil systems
• Configurable breaker failure to open
• Directional comparison: scheme logic (MIN L models)
• 4 preconfigured overcurrent curves (ANSI or IEC)
• Configurable breaker failure protection (50BF)
• Configurable I/O

Monitoring and Metering
• 32 Event record
• Analog/digital oscillography
• KI2 counter for breaker maintenance
• Ground current metering User Interfaces
• M+ Setup software for setting, monitoring
• RS232 port, faceplate accessible (19.2 kbps, ModBus RTU)
• RS485 rear port (19.2 kbps, ModBus RTU)
• LED dot matrix display and keypad

Features and Benefits
■ Advanced 16-bit microprocessor
■ Configurable logic, curves, digital I/Os and LEDs
■ Flash memory for field upgrades
■ Two settings groups
■ Drawout case for easy maintenance
■ AC/DC power supply
■ Access via front panel keypad or communication links
■ Compatible with M Family systems in half or full 19″ racks

Applications
■ Directional ground protection at any voltage level
■ Backup/auxiliary protection for line schemes

We offer GE’s century long tradition of power system innovation. From generators to transmission lines, to motors and beyond, we ensure dependable, safe power worldwide. GE offers a wide range of single function and auxiliary relays, along with a portfolio of accessories, to support high performing and reliable protection and control systems. To explore the GE portfolio with us click here GE numerical Relays !