1

Data Collection System
Collect energy data from vehicles

2

Roof Disconnector
Isolate the roof line
from the power source

3

Machine room blower
Ensure ventilation and
fresh air circulation
in power cabinets

4

AC/DC Metering
Measure consumed and
regenerated DC energy

5

Overvoltage Protection Resistor
  Provide overvoltage protection
 to electrical circuits

6

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

7

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

8

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

9

Precharge Contactor
Control the circuit
capacitors pre-charge

10

Line Contactor
Isolate the railway
vehicles from the
power supply

11

Precharge Resistor​
Limit the current of pre-charge

12

Discharge Resistor​
Limit the current during
filters discharge

13

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

14

Coach Power Supply Contactor
Isolate coaches from the
primary power supply

15

Heater Contactor
Control heating resistors

16

Traction Converter Fan
Dissipate traction converter
power losses through
forced ventilation

17

Multisystem vehicle configurator (2F)
Allow to configure the secondary
based on the catenary voltage

18

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

19

Traction Converter Fan
Dissipate traction converter
power losses through
forced ventilation

20

Motor Isolation Contactor​
Isolate the motor and
protect the inverter

21

Battery charger output contactor
Isolate auxiliary batteries from its charger

22

Battery charger input contactor​
Isolate battery chargers from
the primary power supply

23

AUX output contactors
Isolate auxiliary loads
from the auxiliary inverter

24

AUX input contactor
Isolate auxiliary inverters
from the DC-link

25

Traction Motor Blower
Dissipate traction motor
power losses through
forced ventilation