Energy Feedback

Choppers

EAK-CH Series

Energy-feedback and braking solutions for new energy, grids and transportation.

Function
Dynamic braking + energy feedback / regeneration
DC Bus Voltage Class
Configurable — common classes DC 500–1200 V (matched to 400 V / 690 V AC systems)
Braking / Feedback Power
Configurable to project requirements
Switching Device & Control
IGBT, PWM (DC-chopper / hysteresis modes)
Duty Cycle
Configurable — up to 100% (continuous) with liquid cooling
Cooling
Forced air- or liquid-cooled
Protection
Over-voltage / over-current / over-temperature / short-circuit
Communication
Dry contacts / RS485 Modbus / fieldbus (optional)

Energy-feedback and braking solutions for new energy, grids and transportation.

  • Braking and energy-feedback testing of energy-storage (BESS) PCS during charge/discharge cycling
  • Test benches for photovoltaic and wind power converters
  • Grid and microgrid equipment testing and load-cycling
  • Transportation electrification — rail traction, EV drivetrain and braking-energy testing
  • Industrial drives, cranes and elevators — regenerative energy dissipation and feedback
  • DC bus voltage class and braking / feedback power configured to project requirements
  • Selectable dynamic-braking (to resistor) or grid energy-feedback topology
  • Cooling (forced air or liquid) and enclosure / protection rating matched to site
  • Control mode, activation threshold and communication interface configurable