Braking chopper is used for limiting the DC link voltage of a frequency converter based motor drive. When an induction motor slows down, it acts as a generator and feeds energy back into the converter, and hence the dc link. The braking chopper transmits this braking energy of the drive to a resistor, to be dissipated as heat.
Typical applications of braking choppers are motor drives with high inertia loads such as trains, cranes, centrifuges, elevators, conveyors, large fans, etc.
Features
- Suitable for all brands of 3Φ motor drives
- Panel wall-mounted
- Easy installation
- Simple wiring
- Simple operation
- Maintenance free
- High reliability
- Smart digital control
- Self and Remote RESET functions
- Over-voltage protection (OV)
- Over-temperature protection (OT)
- Short-circuit protection (SC)
- Resistor thermal protection (RT)
- Led display for status and faults:
“RUN”, “OV”, “OT”, “SC”, “RT”
| Technical Specifications | |
|---|---|
| Input Voltage | 650 VDC * |
| Suitable Drive Voltage | 400 VAC |
| Suitable Drive Power | 2.2 - 100 kW |
| Rated Continuous Current | 40A |
| Rated Pulsed Current (ED=10 %) | 200 A |
| Rated Continuous Power | 26 kW |
| Rated Pulsed Power (ED=10 %) | 130 kW |
| Minimum resistance value | 3.1 Ohm |
| Ambient Conditions | -10 to 40⁰C *, max 1000m * altitude |
| Storage Temperature | -25 to 70⁰C |
| Dimensions (WxHxD) | 209,1mm x 293.4mm x 146,9mm |
| Weight | 4 kg |
| Protection Degree | IP 20, EN 60529 |
| Parallel Operation | Up to 7 modules, approximately 1000kW peak braking power |
* Input voltage can be between 200-900VDC.
** For higher values, please consult us.
