LDN2

Catenary fault locator

LDN2 calculates the location of a fault detected by any protection relay, on AC railway catenaries feeders on conventional network or with autotransformers.

Its algorithm is similar to the PDZI9000 distance protection.

#AC, #Catenary, #FaultLocator, #Protection, #Railway, #Relay

Multifunction catenary fault Locator

Measurement and monitoring

Recording / event log

Disturbance recording

Local HMI

Communication interfaces	Double RS485 - Redundancy RS485
Communication protocols	Modbus RTU
Mesures and operations	Catenary current — Catenary current monitoring Catenary voltage — Catenary voltage monitoring Feeder current — Feeder current – 2×25 kV
Power supply	19 to 70 Vdc 85 to 255 Vdc/Vac (50/60 Hz)
Type of option cards	1x 2 wires RS385 serial card 2x RS 485 redundant mode card
Current inputs	2
Voltage outputs	1
Digital inputs	8
Digital outputs	7
Watchdog output	1
Indication LEDs	5