Static converters BFI 100T-TRW

Converter BFI 100T 400/230/24 TRW BFI 100T-TRW designed for powering devices installed in the carriage.

Product description

With a total output power of 100 kW (when powered from the traction network), the converter is a device dedicated to carriages with increased demand for electrical energy (e.g., dining cars). It is adjusted to cooperate with the SAN-RC logger, which operates as an event buffer for the converter (option).

 

The converter works with the following power sources:

  •  overhead contact line (all European supply systems according to UIC 550): 3 kV DC, 1.5 kV DC, 1.5 kV AC 50 Hz, 1 kV AC 16.7 Hz, 1 kV AC 50 Hz;
  • platform network 3×400 VAC;
  • unit 3×400 VAC 10 kW;

Thanks to the applied IGBT converter topology, the device features high stability of output voltages and currents, very low output current and voltage ripple, compact dimensions and weight, quiet operation, and high efficiency.

 

The unit consists of three modules enclosed in passive-cooled aluminium boxes for mounting under the carriage.

 

The APS-100 MAG TRW module includes, among others: an earthing switch, main fuse, input choke, input rectifier system.

The APS-100 WN TRW module is powered by DC voltage from the MAG module and lowers it to 700 VDC. It includes, among others: an autostart system for starting the device with a completely discharged carriage battery, a soft start system limiting the current surge when connecting the carriage to the high voltage network (resistor + contactor), a DC/DC converter lowering the voltage, two starting inputs for 230 VAC platform power supply.

The APS-100 LV module converts the 700 VDC voltage from the HV module into output voltages intended for the carriage’s receivers. It includes, among others: an inverter system (92 kVA): separate 230 VAC output (10 kVA); 24 VDC 250 A battery charger with current limiting and automatic battery charging voltage regulation function based on temperature; 24 VDC 50 A battery charger with current limiting and automatic battery charging voltage regulation function based on temperature, two 3×400 VAC platform power supply inputs, a 3×400 VAC 10 kW generator power supply input.

 

Features

High stability of voltages and output currents
Very low current ripple and output voltage
Compact dimensions and weight
Quiet operation and high efficiency
Overheating of power systems (limits the output current without interrupting operation)
Short-circuit protections – electronic type, under and overvoltage, thermal
Microprocessor (DSP) control system for converter operation with battery status monitoring
Remote indication of an alarm state – potential-free relay contacts

Technical specifications

ELECTRICAL PARAMETERS
Power source

1,000 VAC/16.7 Hz; 1,000 VAC/50 Hz; 1,500 VAC/50 Hz; 1,500 VDC; 3,000 VDC according to UIC 550, PN-K-23011:1998

Power / system topology / outputs

• AC1 – 3×400 VAC/50 Hz/45 kVA (air conditioning):
Voltage stability ≤5%; frequency stability ≤0.2%; harmonic content ≤5%; electronic short circuit protection.
• AC2 – 230 VAC/50 Hz/10 kVA (from isolation transformer fed from inverter AC1) (sockets for laptops, etc.):
Voltage stability ≤5%; frequency stability ≤0.2%; harmonic content ≤5%; electronic short circuit protection.
• DC1 – 24 VDC/250 A:
Voltage stability ≤1%; voltage ripple ≤1%; charge function
• DC2 – 24 VDC/50 A battery with temperature compensated voltage:
Voltage stability ≤1%; voltage ripple ≤1%; battery charging function with voltage temperature compensation.

Rated power

100

Efficiency

≥84%

Battery type with which the converter works

24 V alkaline with 460–520 Ah capacity

Input voltage range

According to UIC 550 leaflet

Input voltage level

According to UIC 550 leaflet

Type of input connections

Screw terminals on support insulators

Type of output connections

Harting HPR type connectors

MECHANICAL
Assembly location

Undercarriage

Cooling type

Natural cooling; external heat sinks on the unit

Ambient temperature

-25°C up to +40°C

Housing protection class

IP56

Method of assembly

Suspended, screws, vibration isolators

Anti-corrosion protection

Powder coating

Housing material

Aluminium

Weight and dimensions

APS-100 MAG TRW: 250x840x650 mm, 700 kg ±5%.

APS-100 WN TRW: 2,788x845x500 mm, 700 kg ±10%.

APS-100 NN: 1,950x660x500 mm, 370 kg ±5%

COMMUNICATION
Converter control

Automatic

Operation status indication

Standard

Communication bus

CANopen

Available language versions

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You are welcome to contact us if you have questions or are interested in our offer.


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