DRIVES AND FREQUENCY CONVERTERS
VEMoDRIVE LV low-voltage drive systems and frequency converters 0.55–4000 kW
Country: Germany · Model: VEMoDRIVE LV
Low-voltage frequency converters and drive systems rated 0.55–4000 kW with an output frequency of 0–400 Hz. They supply induction, synchronous and synchronous reluctance motors, and have 2- or 4-quadrant mode. Wall-mounted versions up to 200 kW, above that cabinets with air or water cooling.
- Power
- 0.55–4000 kW
- Output frequency
- 0–400 Hz
- Modes
- 2-quadrant (DFE) and 4-quadrant with regeneration (AFE)
- Versions
- wall-mounted (up to 200 kW) and cabinet
Technical specifications
| Power | 0.55–4000 kW |
|---|---|
| Output frequency | 0–400 Hz |
| Modes | 2-quadrant (DFE) and 4-quadrant with regeneration (AFE) |
| Versions | wall-mounted (up to 200 kW) and cabinet |
| Cooling | air or water |
| Protection degree | IP21/IP54 (wall-mounted), IP23/IP54 (cabinet) |
| Motor types | induction, synchronous (separately excited and PM), synchronous reluctance |
| Input voltage (brochure) | 3 AC 380–690 V |
| Ranges (brochure) | air 0.75–200 kW wall-mounted, 75–3000 kW cabinet; water 315–5600 kW |
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
The converters have a single control concept and a modular design that simplifies maintenance and makes it possible to build a single- or multi-motor drive. With a diode rectifier (DFE) the 2-quadrant mode operates, and with an active rectifier (AFE) the 4-quadrant mode, with energy returned to the grid. Protection degree is IP21 or IP54 for wall-mounted versions and IP23 or IP54 for cabinet ones. Input voltage per the brochure is 3 AC 380–690 V. A system can include motors, transformers, soft starters, MCC panels and automation, and design, installation, commissioning and service are performed by a single contractor. Typical machines are pumps, fans, compressors, conveyors, cranes, mixers and extruders in power generation, water management, metallurgy and chemicals.
How to choose
Cooling is chosen by power. According to the brochure, air-cooled converters cover 0.75–200 kW wall-mounted and 75–3000 kW cabinet, and water-cooled ones 315–5600 kW in cabinets. Regeneration is needed if the machine brakes often or lowers a load, and then AFE mode is taken. For a simple pump or fan drive, DFE is enough. If the motor is to be combined with the converter in one housing, look for the VEMoDRIVE Compact series.
Request a price and lead time
VEMoDRIVE LV low-voltage drive systems and frequency converters 0.55–4000 kW. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
Which motors can be connected to VEMoDRIVE LV converters?
Induction, synchronous with separate excitation and with permanent magnets, and also synchronous reluctance.
How do DFE and AFE modes differ?
DFE is a 2-quadrant mode with a diode rectifier. AFE is a 4-quadrant mode with an active rectifier and energy regeneration to the grid.
What protection degree do wall-mounted and cabinet converters have?
Wall-mounted IP21 or IP54, cabinet IP23 or IP54.
Up to what power are wall-mounted converters made?
Up to 200 kW, and larger powers are supplied in cabinet design with air or water cooling.
What output frequency and input voltage do these converters have?
Output frequency 0–400 Hz, input voltage per the brochure 3 AC 380–690 V.
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