The UFR1001E is a voltage and frequency monitoring relay designed to provide anti-islanding protection for power generation systems, ensuring compliance with grid connection standards. This device is particularly relevant for installations in South Africa, as it meets the local NRS 097-2-1:2017 Ed 2.0 standard .

Key Features

• Dual-Channel Design: Offers redundancy, ensuring one-fault-proof operation.

• Comprehensive Monitoring: Monitors voltage (15–520 V) and frequency (45–65 Hz), including vector shift and rate of change of frequency (ROCOF) .

• Compliance with Standards: Adheres to multiple international standards, including VDE-AR-N 4105, G98, G99, and ÖVE/ÖNORM E 8001-4-712:2009 .

• Adjustable Settings: Protection parameters can be customized and secured with a code or seal.

• Remote Shutdown Capability: Features a standby input for remote disconnection, enhancing safety during grid disturbances.

Applications

The UFR1001E is suitable for various applications, including:

• Renewable Energy Systems: Solar and wind installations requiring grid compliance.

• Combined Heat and Power (CHP) Plants: Ensuring safe operation and grid interaction.

• Industrial Power Generation: Facilities with on-site generation needing reliable grid protection.

Installation and Integration

The device is designed for easy integration into existing systems:

• Mounting Options: Can be installed in switchgear cabinets or circuit breaker boxes.

• Feedback Monitoring: Monitors the function of output relays and connected switches, enhancing system reliability.

• Testing Features: Includes a two-step test to individually assess each channel and measure the triggering time of connected switches .