CRRC MVR Permanent Magnet Variable Frequency Motor

CRRC MVR permanent magnet variable frequency motor is a high-performance, high-speed permanent magnet drive solution tailored for MVR evaporation systems, delivering a rated output power ranging from 132 kW to 1,000 kW, a rated voltage of 380 V to 10 kV, and a rated speed of 15,000 to 18,000 rpm, paired with embedded or surface-mounted rotor design and plain bearings.
Equipped with high-efficiency permanent magnet technology, this motor is engineered to deliver stable, reliable performance under the continuous high-load conditions of industrial evaporation processes.
As a mature model in the CRRC MVR motor series, it integrates seamlessly with mainstream MVR evaporation systems, ensuring stable operation and compatibility with industry-standard process equipment.
We offer comprehensive life-cycle support for the MVR Permanent Magnet Variable Frequency Motor, including equipment supply, on-site installation and commissioning, maintenance training, spare parts provision, and ongoing technical troubleshooting services.

Advantages of CRRC MVR Permanent Magnet Variable Frequency Motor

Adhering to advanced high-speed permanent magnet motor manufacturing technology, the MVR model achieves exceptional energy efficiency, which ensures optimal energy utilization and reduces operational costs for industrial process operators.
Equipped with a high-speed rotor design and plain bearings, it delivers ultra-high speed performance, enabling compact MVR system designs and improved process efficiency, while the robust thermal management ensures stable load-bearing capacity, significantly reducing the risk of equipment overheating or failure.
Designed with a rated voltage of 380 V to 10 kV, which complies with mainstream industrial power specifications, it is highly compatible with the power transmission and distribution equipment of most industrial facilities, lowering supporting configuration costs.
The rated power reaches 132 kW to 1,000 kW, matching the 15,000 to 18,000 rpm rated speed to meet the high-capacity evaporation demand of chemical, food, and pharmaceutical processes, and its power performance is stable and reliable in long-term operation.
As a mature MVR motor model, it is compatible with well-established evaporation system drive systems, with high part versatility and low operation and maintenance costs, making later maintenance more convenient.

Technical Specifications

Type:	Embedded Rotor / Surface-Mounted Rotor
Rated Power:	132 – 1000 kW
Rated Voltage:	380 – 10000 V
Rated Speed:	15000 – 18000 rpm
Bearing Type:	Plain Bearing
Rated frequency:	200 – 500Hz
Motor efficiency:	96.5% – 98.2%
ower factor:	≥0.95
Insulation class:	H
Protection class:	IP54 – IP55
Cooling method:	IC86W/IC7A5W7
Rotor sheath:	Carbon fiber/High-strength alloy
Operating mode:	S1 continuous duty

coming soon

Model	Power	Voltage	Speed
TYP1605-2	180 kW	420 V	16128 rpm
TPSRZ180-2-R134a	180 kW	420 V	16128 rpm
TPSRZ240-2-R134a	240 kW	380 V	15000 rpm
TPSRZ280-2-R134a	280 kW	450 V	13000 rpm
TPSRZ320-2-R134a	320 kW	380 V	12000 rpm
TPSRZ400-2-R134a	400 kW	380 V	12000 rpm
TPSRZ450-2-R134a	450 kW	420 V	9800 rpm
TPSRZ480-2-R134a	480 kW	420 V	12000 rpm
TPSRZ560-2-R134a	560 kW	420 V	9500 rpm
TPSRZ850-2-R134a	850 kW	720 V	8000 rpm
TPSRZ1100-2-R134a	1100 kW	720 V	8000 rpm
TPSRZ1300A-2-R134a	1300 kW	720 V	7000 rpm
TPSRZ1800A-2-R134a	1800 kW	720 V	6500 rpm
Maglev HSPMG	100 – 15000 kW	N/A	N/A
MVR Permanent Magnet VFM	132 – 1000 kW	380 – 10000 V	15000 – 18000 rpm
Vacuum Turbine Equipment	315 – 630 kW	380 – 3000 V	12000 – 15000 rpm
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Type	Power	Voltage	Speed	Bearing Type
High-speed permanent magnet variable frequency motor for MVR steam compressors	Embedded Rotor
	132kW	380V	15000r/min	Plain Bearing
	165kW	380V	18000r/min	Plain Bearing
	220kW	380V	18000r/min	Plain Bearing
	315kW	380V	18000r/min	Plain Bearing
	Surface-Mounted Rotor
	500kW	380V	15000r/min	Plain Bearing
	1000kW	10kV	15000r/min	Plain Bearing

I. Core Technological Advantages (Comparison with Traditional Gearbox Solutions)

1. Ultra-High Efficiency and Significant Energy Saving

1) Eliminating the gearbox (transmission loss 8%~12%) increases overall system efficiency by 10%~15%, saving hundreds of thousands of kWh of electricity annually.

2) Permanent magnet motors have no excitation loss and precise frequency conversion control, resulting in 25%~35% lower overall energy consumption compared to Roots/gearbox centrifugal compressors.

2. Oil-Free, Zero Friction, High Reliability, and Low Maintenance

1) Magnetic levitation solution: Completely oil-free system, no mechanical wear, no oil-contaminated steam, maintenance cycle ≥3 years, virtually maintenance-free.

2) Sliding bearing solution: Dedicated high-speed lubrication, simplified oil circuit, maintenance requirements far lower than gearboxes.

3. Compact Structure, Small Size, and Small Footprint

Gearbox-free design reduces overall length by 40%~50% and weight by 30%, suitable for old factory renovations and space-constrained scenarios.

4. Low Vibration, Low Noise, and Smooth Operation

Magnetic levitation vibration ≤50μm, noise ≤75dB. (A); Gearless meshing impact, quiet operation, low foundation requirements

5. Wide speed range, precise temperature control, adaptable to varying operating conditions

50%~120% continuously adjustable speed, precise control of steam pressure/temperature, matching evaporation load fluctuations, anti-surge, stable operation

6. High temperature resistance, corrosion resistance, adaptable to steam operating conditions

Fully enclosed, temperature resistance 180℃, corrosion-resistant material, adaptable to corrosive steam/wastewater evaporation, anti-cavitation, anti-scaling

II. Core parameters of magnetic levitation bearing (MVR high-end solution)

Control: Five-degree-of-freedom fully active digital closed-loop control, more than 10,000 position adjustments per second, stable levitation

Levitation gap: 0.3~0.8mm

Protection: Emergency protection bearing support in case of power failure/fault, prevent rotor rubbing

Power consumption: ≤1% of motor rated power

Vibration: High-speed operation radial vibration ≤50μm, axial vibration ≤30μm

III. Main Application Areas

Chemical: Salt wastewater, mother liquor, brine evaporation and crystallization, ammonium chloride/sodium sulfate/ Caustic soda concentration
Pharmaceuticals: Concentration of raw materials, water for injection, and traditional Chinese medicine extracts; aseptic evaporation
Food: Concentration of dairy products, fruit juices, syrups, and fermentation broths
Environmental protection: Zero discharge of landfill leachate, coal chemical/electroplating/dyeing wastewater, and high-salinity wastewater treatment
Others: Seawater desalination, biomass/geothermal steam compression, and waste heat recovery MVR systems

IV. System Selection and Configuration Considerations

Power matching: Determine motor power based on MVR evaporation capacity, steam flow rate, compression ratio (1.2~2.5), and temperature rise (20~30℃)
Speed selection: 15000~18000rpm is the optimal range for MVR, balancing efficiency, impeller strength, and cost
Bearing selection: ≥500kW, prioritize magnetic levitation bearings (long cycle, maintenance-free, oil-free); for small and medium power applications, high-speed sliding bearings (low cost) are optional
Cooling: MVR steam operating temperatures are high, requiring water cooling. Air-water cooling, air cooling prohibited.

Control: Equipped with a dedicated high-speed permanent magnet high-frequency inverter, integrating anti-surge, pressure/temperature closed-loop, and remote monitoring.

V. MVR Operating Environment Requirements

Ambient temperature: -20℃~+50℃; Altitude: ≤3000m (high altitude derating); Relative humidity: ≤95% (non-condensing)

Media: Resistant to water vapor, salt/acid/alkali corrosive vapors, cavitation-resistant, and scale-resistant design.

VI. Applications and Industry Value

2015 First Set: Rapidly implemented in pharmaceutical, food, and fine chemical MVR projects, verifying the reliability of domestically produced high-speed permanent magnet direct drive systems.

2021 1MW: Entering the high-power MVR market for large-scale coal chemical, electroplating/dyeing wastewater, seawater desalination, and landfill leachate zero discharge, supporting the national industrial energy conservation and wastewater resource utilization strategies.