DC/DC Converters

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

Field Controller – Dual Output

Fast Field Reversing (No reversing contactors required)

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

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

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

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

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)

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

Solar Cell DC/DC Chopper

Controls energy captured from solar cells

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

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