PDZI800 – Catenary Protection
Sector : Railway
PDZI800 performs the monitoring of AC railway catenaries feeders on conventional network or with autotransformers. This distance protection is fitted with overcurrent function and many operating function such as de-icing monitoring and control of operating of the circuit breaker.
ANSI codes
21 – Distance relay
27 – Undervoltage
32 – Directional power
50 – Instantaneous overcurrent
50BF – Breaker failure with overcurrent
51 – Overcurrent
79 – Recloser
87 – Differential rela