22kW Motor
What is a 22kW Motor?
The 22kW electric motor is a core, heavy-duty workhorse designed for large-scale industrial equipment systems. It utilizes a heavy-duty "180L" frame-featuring extended length and increased width-and is manufactured in strict accordance with GB/T 755 and IEC 60034 standards, as well as reliability specifications for heavy industrial machinery. As a pivotal model in the high-power industrial sector, this motor is the standard power source for large crushing equipment, negative-pressure draft systems, high-pressure pump units, heavy-duty conveyor lines, and integrated chemical processing systems. It is defined by four core characteristics: an extended stator core delivering ultra-high torque, exceptional thermal capacity, stable performance under continuous 24-hour operation, and a robust structure resistant to impact and deformation.
The extended 180L frame provides class-leading electrical margins and mechanical structural strength. This enables stable, long-term operation in extreme heavy-duty environments characterized by high impact, significant load fluctuations, heavy dust, and high humidity. The motor withstands operational stresses such as frequent start-stop cycles, sudden load spikes, and voltage fluctuations without suffering from power output degradation or thermal shutdowns.
Models





Features
- Comprehensive coverage of all pole configurations and maximum compatibility with large-scale equipment: Supports customization across the full spectrum of 2, 4, 6, and 8-pole specifications. High-speed 2-pole models are suited for high-voltage, high-airflow fans and ultra-high-pressure booster pumps; medium-speed 4-pole models cater to key heavy-duty equipment such as crushers, air compressors, and conveyor systems; and low-speed, high-torque 6/8-pole models are designed for heavy-duty mixers, large hoists, and heavy-load geared units-fully addressing the needs of major industrial heavy-duty applications.
- Featuring IP55 multi-layer sealed protection, this unit offers comprehensive resilience under extreme operating conditions. It employs an upgraded six-layer labyrinthine dust- and water-proof structure combined with dual-layer, corrosion-resistant sealing rings. Critical areas-including the motor frame, front and rear end shields, terminal box, and shaft extension-undergo complete sealing to effectively block heavy mining dust, sand and gravel debris, industrial oil, corrosive acidic or alkaline vapors, and outdoor moisture. It is perfectly suited for demanding environments characterized by high pollution, high corrosivity, and intense vibration, such as mining, aggregate processing, chemical manufacturing, environmental protection facilities, and outdoor hydraulic engineering projects.
- Precision engineering for low noise and vibration, fully compliant with industrial environmental standards: Utilizing micron-level rotor dynamic balancing and stator magnetic field noise-reduction optimization, the design effectively minimizes electromagnetic noise, mechanical vibration, and structural resonance. The unit operates with low noise and clean sound quality, meeting strict noise standards for industrial parks and facilities subject to rigorous environmental inspections, while balancing heavy-load performance with environmental compliance requirements.
Products Description
|
Model |
Y2 Series 22kW Motor |
|
Frame |
180 |
|
Power |
22kW |
|
Speed |
3000rpm, 1500rpm, 1000rpm |
|
Voltage |
380/660V, 400/690V, or customization |
|
Frequency |
50HZ/60HZ |
|
Efficiency |
IE1, IE2, IE3, IE4 |
|
Motor shaft diameter |
Φ48 |
|
Cooling |
Fan |
|
Protection |
IP44/IP54/IP55 |
|
Housing |
Aluminum/Cast Iron |
|
Ambient temperature |
-15℃≤0℃≤40℃ |
|
Altitude |
No exceeding 1000 meters |
|
Duty |
S1 |
Drawings
Installation position

Our advantages

Production








Application



Company Profile



FAQ
Q: How can a 22kW extended-frame motor prevent cooling obstructions and excessive temperature rise in high-dust mining environments?
A: While the motor features an IP55 multi-seal design to prevent dust ingress, its cooling fins and fan cowl are exposed components; prolonged operation in mining environments can lead to the accumulation of mineral dust and grit, potentially clogging cooling channels. Routine maintenance-simply clearing accumulated dust from the fan and cooling fins-is usually sufficient to keep airflow unobstructed. For environments with heavy dust loads, an optional dust-protection kit can be installed. Combined with the extended frame's generous thermal margin, this dual approach-integrating hardware protection with routine maintenance-effectively prevents overheating and ensures the equipment's long-term, stable operation.
Q: How should the starting method for a 22 kW high-power motor be selected, and what are the operational boundaries for Star-Delta versus Variable Frequency Drive (VFD) starting?
A: For standard steady-state load equipment-such as conventional water pumps and constant-pressure fans-Star-Delta starting offers the best cost-performance ratio and meets routine, stable start-stop requirements. However, for applications involving heavy-load starting, significant load fluctuations, or frequent start-stop cycles-such as crushers, hoists, and mixing equipment-VFD starting is mandatory. VFD-based soft starting eliminates high inrush current spikes, protecting both the motor windings and the facility's power grid; it also enables stepless speed control, facilitating energy-efficient regulation and stable operation under complex conditions.
Q: What are the common causes of excessive vibration in high-power (22 kW) motors, and how can the issue be quickly diagnosed and resolved?
A: Abnormal motor vibration in heavy-duty industrial applications primarily stems from four factors: misalignment or unbalanced belt tension causing uneven radial loads; insecure equipment frames or loose foundations triggering structural resonance; bearing wear and lubrication failure due to prolonged operation; and continuous impact caused by eccentric loads or uneven material distribution. Daily maintenance can effectively resolve these vibration issues-ensuring stable equipment operation-through measures such as realigning shafts, reinforcing frames, performing regular bearing maintenance, and balancing loads.
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