Multifunctional protection unit, it acts as an independent protection, measurement and control unit or integrated in a protection and control system.
Technical Features:
- Protection Functions:
- Over current
- Phase over current (3X50/51)
- Earth faults (50Ns/51Ns)
- Sensitive earth faults (50Ns/51Ns)
- Directional phase over current (3X67)
- Directional neutral over current (67N)
- Directional isolated neutral over current (67NA)
- Thermal image (49)
- Current unbalance protection (46-46FA)
- Cold Load Pickup
- Voltage-restrained Time over current (51V)
- Voltage regulation (50CSC)
- Breaker failure (50BF)
- Undercurrent (37)
- Voltage:
- Over voltage protection (59)
- Under voltage protection (27)
- Zero-sequence over voltage (59N)
- Maximum and minimum frequency (81M/m)
- Synchronism (25)
- Voltage un balance (47)
- Frequency
- Maximum and minimum frequency (81M/m)
- Frequency rate (81R)
- Power (32)
- Logic functions and automation
- Recloser (79)
- Switch monitoring
- Trip and closing circuit monitoring
- Synchronism checking
- Configurable inputs/outputs
- Programable logics
- Others
- Protection status self-checking
- Configuration of up to 6 setting tables
- Metering
- Phase, neutral and sensitive neutral current metering
- Single and compound voltage metering
- Active, reactive and apparent power metering
- Active and reactive energy metering
- Power factor metering
- Maximum current indicator
- Negative sequence metering (I2/I1) as a %
- Total Harmonic Distortion (THD)
- Data Acquisition
- Event chronological logging
- Fault chronological logging
- Log of maximum and minimum meterings
- Oscilloperturbograph
- Communications:
- IEC 60870-5-103
- IEC 60870-5-101
- ModBUS RTU
- DNP3.0
- PROCOME
- HARRIS
- Ports: RS485 and O.F.
