The MDF is a digital frequency relay intended to sense hazardous under frequency (or over frequency) conditions.
The MDF is a digital frequency relay intended to sense hazardous under frequency (or over frequency) conditions and initiate selective load shedding to preserve service continuity to other loads.
It is also applied to turbine-generators to trip the machine through external timers (minutes are required) to avoid possible turbine damage.
Why ABB?
- Long product life
- Ease of application
- Reliable protection
- High-quality design