Power Converters for Railway Applications

SynQor is a leading supplier of power conversion solutions to the railway market. Headquartered in Boxborough, Massachusetts, at the location of its manufacturing operations, SynQor quickly became the technology, quality and service leader for high efficiency DC-DC converters.

SynQor converters feature a patented two-stage power topology that greatly improves efficiency and optimizes the power dissipated by the converter. SynQor’s rugged DC-DC converters, AC-DC converters, filters and power supply systems are designed for a wide range of industrial and military applications including those required to withstand harsh environments: railway and transportation systems, industrial motion control, information displays, factory automation, critical military and power generation systems.

DC-DC Power Converters for Railway Applications

SynQor’s RailQor® line of DC-DC power converters brings SynQor’s high-efficiency synchronous-rectifier technology to the Railway/Transportation industry. RailQor® railway power supplies are compliant with the European Standard EN50155. These EN50155 railway power converters provide isolated DC power for a wide range of transportation applications including LED displays, audio amplifiers, safety monitors, lighting, and communications systems. RailQor® isolated DC-DC converters typically achieve efficiency ratings of 93% at full load, eliminating the need for heatsinks and saving engineers board space. Each RailQor® power converter comes fully encased and ruggedized to provide protection from the harsh environments often seen in transportation and industrial applications.

RailQor® Product Features

Operational

  • High efficiency at full load up to 93%
  • Quarter-brick 25-50W Mega Series has no derating in environments with zero airflow and ambient temperatures up to 85°C with no heatsink.
  • Input voltage ranges: 9-36V, 18-45V, 12-155V, 42V-110V, 34V-160V and 66V-160V
  • Input voltage ranges fully cover the requirements of EN 50155
  • Full power operation at baseplate temperature range from -40°C to 100°C.
  • Output power up to 500W
  • Fixed frequency switching, low output noise
  • No minimum load requirement
  • Encased module to provide protection from harsh environments and available with optional flanged style baseplate.

Mechanical

  • Industry standard pin-out configuration
  • Flanged baseplate available
  • Industry standard footprint: Half-brick: 2.4″ x 2.5″ Quarter-brick: 1.5″ x 2.4″

Protection/Control

  • Input under-voltage lockout
  • Output current limit and short circuit protection
  • Active back bias limit prevents damage to converter
  • Output over-voltage protection
  • Thermal shutdown

General Specifications

  • Operating Temperature -40ºC to +100ºC
  • Output Voltage Set Point ±1.0%
  • Output Voltage Ripple <1% of Vout (typ.)
  • Switching Frequency 240 – 350kHz
  • Transient Response <7% of Vout (typ.)
  • Output Voltage Trim Range +10% to -20%
  • Isolation Voltage Up to 3000Vdc
  • EN50155 Compliance
  • RIA 12 Compliance with external circuit

Safety

RQ1B, RQ72, RQ68 & RQ90

  • Reinforced Insulation
  • Up to 3000V, 100MΩ input-to-output isolation
  • CAN/CSA C22.2 NO. 60950-1
  • UL 60950-1
  • EN 60950-1
  • EN45545-2 R24/R25 Compliant
  • CE marked

RQ18, RQ24

  • Basic Insulation
  • 2250V, 30MΩ input-to-output isolation
  • CAN/CSA C22.2 NO. 60950-1
  • UL 60950-1
  • EN 60950-1
  • EN45545-2 R24/R25 Compliant
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Images

RailQor Logo
SynQor's product line for Railway Applications: RailQor®
SynQor DC-DC Power Converter Railway Applications
DC-DC Power Converter for Railway Applications
SynQor Railway DC-DC power converters
RailQor® Railway DC-DC Power Converters
RailQor DC-DC Power Converter Flanged
RailQor® DC-DC Power Converter with Flanged Baseplate Option

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