Product Description
Features & benefits:
- For standard induction, synchronous and permanent magnet motors
- Air cooling
- Available with integrated or separate input transformer
- Monitoring tool for remote real-time access to the drive available
- Fast and accurate control performance due to DTC
- High reliability due to low parts count
- High system efficiency due to VSI-MF topology, IGCTs and DTC
- Small footprint due to high power density
- Optimal network friendliness due to 36-pulse configuration
Medium voltage drive for control of motors up to 6.9 kV
Type of converter | |
VSI Voltage Source Inverter |
|
Typical applications | |
Compressors, extruders, pumps, fans, grinding mills, conveyors, blast furnace blowers, gas turbine starters | |
Typical system diagram | |
Converter cooling | |
Air (A) / Water (W) | |
Power range | |
A: 2 – 7 MW W: 7 – 36 MW (higher on request) |
|
Input section | |
Diodes: 36-pulse rectifier | |
Output section | |
IGCTs: 5-level VSI, 9-level output waveform | |
Output voltage | |
6.0 – 6.9 kV (optional 4.16 kV) | |
Max. output frequency | |
75 Hz (optional 250 Hz) | |
Field weakening | |
>35 Hz (max. 1:2, higher optional) | |
Special features & benefits | |
– Constant network power factor over whole speed range – DTC (Direct Torque Control) – Fuseless |
|
Examples of options | |
– Synchronous bypass – Extended I/Os for supervision functions – Integrated input transformer |
|
Type of motor | |
Induction, synchronous or permanent magnet motor | |