DC/DC Converters

DC/DC Converters


ATS designs and manufactures DC/DC choppers for motor control, regenerative brake protection, low voltage power supplies,  battery charging, Fuel Cell Boost/Buck, and more.

DC Motor Controllers

750kW Module

DC Chopper Motor Controller

One Chopper per DC Motor (Field in series with the Armature)
Can also be used as a Field Controller

  • DC Bus Voltage: 750V nominal
  • Rated Current: 1000A
  • Power at Rated Voltage: 600 kW
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Dual Power Module

Field Controller – Dual Output

Fast Field Reversing (No reversing contactors required)

  • DC Bus Voltage: 750V
  • Rated Current: 500A
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Brake Choppers

750kW Module

Brake Chopper (Regen Protection)

Controls excessive voltage caused by dynamic braking by dumping energy into power resistor(s)

  • DC Bus Voltage: 750V
  • Rated Current: 1500A
  • Power at Rated Voltage: 1430 kW
  • Multiple units can be synced for higher power requirements
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Regen Protection Module

Compact Brake Chopper

Regenerative Protection Module – Controls excessive voltage caused by dynamic braking by dumping energy into power resistor(s)

  • DC Bus Voltage: 750V
  • Max Current: 600A
  • Power at Rated Voltage: 380 kW
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Power Supplies

6.5kW Low Voltage Power Supply

Transit duty constant voltage constant current 38VDC @ 173A continuous power supply operating from 650VDC nominal supply.

  • DC Bus Voltage: 450VDC – 750VDC (additional voltages are available)
  • Rated Current: 173A continuous
  • Power at Rated Voltage: 6,500W
  • IP65 rated enclosure
  • CANBus control and communication
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DC/DC Converter

LU300b DC/DC Power Supply

Compact 12V DC/DC converter used in battery or trolley-operated vehicles such as buses, locomotives and street cars

  • DC Bus Voltage: 90 – 360 V
  • Rated Current: 25A
  • Power at Rated Voltage: 300 W
  • Reverse polarity protection
  • Isolated

 

(24V version available)

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Solar & Battery Choppers

750kW Module

Battery Chargers

Suitable for multiple chemistries: Lithium LTO  NMC  LFO;  SoNick; Lead Acid

  • DC Bus Voltage: up to 1100V
  • Rated Current: 700A
  • Power at Rated Voltage: 935 kW
  • Compatible with CAN-Bus battery management systems
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750kW Module

Solar Cell DC/DC Chopper

Controls energy captured from solar cells

  • DC Bus Voltage: 750V
  • Rated Current: 500A
  • Power at Rated Voltage: 350 kW
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750kW Module

Dual DC/DC Buck-Boost Chopper

Bi-directional Battery Controller

  • DC Bus Voltage: 750V
  • Rated Current: 500A each output
  • Power at Rated Voltage: 350 kW each output
  • Compatible with CAN-Bus battery management systems
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