PGTN1 – Transformer Protection
Products family : Transformer Protection
Sector : Railway
The digital relay PGTN1 protects transformers for electric traction, in charge of feeding catenaries with 25 kV or 2 X 25 kV, 50 or 60 Hz voltages.
The PGTN1 also features functions that help network operation: assistance to the maintenance of the circuit breakers, disturbance and events recording.
The PGTN1 provides a minimum of impedance protection, as a backup to the PDZIN1 main protection.
ANSI codes
21 – Distance relay
27 – Undervoltage
32 – Directional power
50 – Instantaneous overcurrent
50BF – Breaker failure with overcurrent
50N – Instantaneous earth fault overcurrent
51 – Overcurrent