1

Data Collection System​
Collect energy data from vehicles

2

Braking Resistor Fan
Forcing ventilation
of braking resistor

3

Braking Resistor​
Dissipate the exceeding
electrodynamic braking power

4

Roof Disconnector​
Isolate the roof line
from the power source

5

AC/DC Metering
Measure consumed and
regenerated DC energy

6

Data Handling System
Manage Energy Billing Data (CEBD)
files for the ground-based
Data Collection System (DCS)

7

Main DC Circuit Breaker
Protect electrical equipment
from short-circuit damages

8

Isolating Earthing switch
Ensure circuit isolation and
grounding for safe maintenance

9

Traction Motor Blower​
Dissipate traction motor
power losses through
forced ventilation

9

Traction Motor Blower​
Dissipate traction motor
power losses through
forced ventilation

10

Traction Transformer Blower

11

AUX input contactor
Isolate auxiliary inverters
from the DC-link

12

AUX output contactor
Isolate auxiliary loads
from the auxiliary inverter

13

Battery Charger Input Contactor
Isolate battery chargers
from the primary power supply

14

Battery Charger Output Contactor
Isolate auxiliary batteries from its charger

15

Line contactor
Isolate the railway vehicles
from the power supply

16

Pre-charge contactor
Control the circuit
capacitors pre-charge

17

Inverter Isolation
Isolate a failed inverter to
guarantee service continuity

18

Multisystem Vehicle Configurator
Allow to configure the secondary
based on the catenary voltage

19

Pre-charge Resistor
Limit the current of pre-charge

20

Discharge Resistor
Limit the current
during filters discharge

21

Traction Converter Fan
Dissipate traction converter power
losses through forced ventilation