3.3 to 11 kV, up to 7,350 kVA (8,000 HP)
The TMdrive-MVe2 is a medium voltage, AC fed drive designed for high-efficiency and power-friendly operation in a broad range of industrial applications. High reliability, low harmonic distortion, regenerative operation and reactive power control operation are designed into the drive.
Applications
The TMdrive-MVe2 is designed for a wide range of industrial applications, including: Centrifugal pumps, fans, and compressors, screw compressors, blowers, refiners, mixers, extruders, conveyors, press machines, slurry pipelines, mills, hot gas expanders, etc. Energy regeneration capability is included, allowing braking of overhauling loads and rapid stopping of loads such as fans and pumps.
TMdrive-MVe2 Features and Benefits
Design Feature
- Active line side converter
- Conservative electronic design & dry film-type capacitors
- Multilevel drive output voltage waveform
- Input isolation transformer included in drive package
- Power conversion module in a single drawer type package
Synchronous bumpless transfer of the motor to the utility line
- Allows control of multiple motors with one drive
- No motor current or torque transients when the motor transitions to the AC line
- Dynamic VAR compensation for the synced motor
Customer Benefit
- Unity (1.0) power factor across entire speed range
- Line side harmonics much lower than IEEE 519-2014
- Standard regenerative braking
- Reactive power control up to 80% of inverter kVA
- Highly reliable operation, expected 16-year MTBF
- No need for periodic capacitor replacement (15-year life)
- No derating of motor for voltage insulation or heating required
- Applies easily to existing motors without the need for an expensive output filter
- Eliminates the need for special VFD rated cables
- No Neutral Shift
- Simplifies design and installation
- Less total space required, plus easy integration in MCC building
- Higher reliability than transformer-less design
- High frequency transients are attenuated
- Reduction in spare parts
- Minimal personnel training for maintenance
- 30 minutes Mean Time to Repair (MTTR)
The TMdrive-MVe2 is available with four voltage classes:
| 3.3 kV Voltage Class: 3,000 - 3,300 V ac |
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| 4 kV Voltage Class: 4,160 V ac |
| 6.6 kV Voltage Class: 6,000 - 6,600 V ac |
| 10 kV Voltage Class: 10,000 V ac |
| 11 kV Voltage Class: 11,000 V ac |
3.3 kV Voltage Class: 3,000 - 3,300 V ac
4 kV Voltage Class: 4,160 V ac
6.6 kV Voltage Class: 6,000 - 6,600 V ac
10 kV Voltage Class: 10,000 V ac
11 kV Voltage Class: 11,000 V ac
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