1

Data Collection System​
Collect energy data from vehicles

2

Main Dc Circuit Breaker​
Protect electrical equipment
from short-circuit damages

3

Isolating Earthing switch​
Ensure circuit isolation and
grounding for safe maintenance

4

Multisystem vehicle configurator
Allow to configure the secondary
based on the catenary voltage

5

DC/DC converter input contactor
Isolate DC/DC converters from DC-links

6

DC/DC converter output contactor
Isolate DC/DC converters from
Fuels Cell or Traction Batteries

7

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

8

AC/DC Metering
Measure consumed and
regenerated DC energy

9

Roof Disconnector​
Isolate the roof line
from the power source

10

Braking Resistor Fan
Forcing ventilation
of braking resistor

11

Braking Resistor​
Dissipate the exceeding
electrodynamic braking power

12

Machine Room Blower​
Ensure ventilation and fresh
air circulation in power cabinets

13

Coach Power Supply Contactor​
Isolate coaches from the primary power supply

14

Traction Transformer Blower
Provide oil cooling and/or forced
ventilation to transformers

15

Heater Contactor​
Control heating resistors

16

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

17

AUX Input Contactor​
Isolate auxiliary inverters
from the DC-link

18

AUX Output Contactor
Isolate auxiliary loads
from the auxiliary inverter

19

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

20

Battery Charger Output Contactor​
Isolate auxiliary batteries from its charger

21

Diesel Engine Radiator Cooling Fan​
For charge-air cooling, oil cooling, water cooling

22

Alternator-Rectifier Disconnector​​
Isolate alternators-rectifiers from DC-link

23

Line Contactor
Isolate the railway vehicles
from the power supply

24

Precharge Contactor
Control the circuit
capacitors pre-charge

25

Inverter Isolation
Isolate a failed inverter to
guarantee service continuity

26

Precharge Resistor
Limit the current of pre-charge

27

Discharge Resistor
Limit the current during
filters discharge

28

Traction Converter Fan
Dissipate traction converter power
losses through forced ventilation