Product Description
Medium voltage drive for speed and torque control of 5 – 36 MW motors
Type of converter | |
VSI Voltage Source Inverter |
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Typical applications | |
Rolling mills, marine propulsion, mine hoists, pumps, fans, compressors, grinding mills, extruders, conveyors | |
Typical system diagram | |
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Converter cooling | |
Water (W) | |
Power range | |
5 – 36 MW | |
Input section | |
Diodes: 6/12/24-pulse rectifier (LSU) or IGCT: 6/12/18-pulse active rectifier (ARU) |
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Output section | |
IGCTs: 3-level VSI, 5-level output waveform | |
Output voltage | |
3.0 – 3.3 kV Optional: 2.3 kV |
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Max. output frequency | |
75 Hz (higher on request) | |
Field weakening | |
>3 Hz (max. 1:5) | |
Special features & benefits | |
– Constant network power factor over whole speed range – Optimized pulse pattern to minimize network harmonics (with IGCT) – DTC (Direct Torque Control) – Multi-motor drive with common DC bus – Fuseless |
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Examples of options | |
– Reactive power compensation and regeneration (ARU) – Extended I/Os for supervision functions – Braking chopper – Customized |
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Type of motor | |
Induction, synchronous and/or permanent magnet motor | |