
Ac Reluctance Motor
ac reluctance motor,230V / 400V / 690V AC
Simple structure:The design of AC excitation motor is relatively intuitive, mainly consisting of two major components: stator and rotor. Unlike DC motors, it does not rely on complex commutator and carbon brush system to achieve current conversion. This brushless design reduces many mechanical components, significantly reducing the failure rate and maintenance requirements of the motor. The simplified structure not only improves the reliability of the motor, but also effectively controls the production cost. It is this simple and efficient structural design that makes AC excitation motors widely used in various industrial applications.
Efficient operation:The motor drives the rotor to rotate in an efficient manner by precisely controlling the direction of the stator magnetic field. Its unique operating mechanism enables the motor to maintain high efficiency under various load conditions, especially in medium and high load working occasions. Compared with other types of motors, AC excitation motors have more advantages in reducing energy consumption, especially suitable for energy-sensitive industries such as manufacturing and public facilities. By reducing energy loss and improving conversion efficiency, this motor effectively reduces operating costs and is an ideal choice for companies that focus on efficiency and environmental protection.
Good speed regulation performance:AC excitation motors perform well over a wide range of speeds and can maintain stable output at both low and high speeds. This excellent speed regulation performance makes it the best choice for applications that require precise speed control. By working with a frequency converter or other advanced controller, the motor can achieve smooth adjustment from zero to rated speed, whether it is a sudden load change or long-term continuous operation, it can handle it easily. Such characteristics make it widely used in automation equipment, precision machining and complex production lines.
Easy maintenance:Due to the simplicity of design, AC excitation motors are relatively easy to maintain. Usually, regular inspections and proper lubrication are sufficient to keep the motor running properly. The brushless design not only reduces the wear problem of components, but also extends the service life of the equipment and greatly reduces maintenance costs. Compared with traditional motors, its maintenance cycle is longer, which means that while reducing downtime, it also reduces uncertainty in the production process and ensures the production efficiency of the enterprise.
Low noise:AC excitation motors generate relatively low noise during operation, which is very important for occasions with strict requirements on environmental noise. For example, in facilities that require a quiet environment, such as office buildings and hospitals, the advantage of low noise is particularly obvious. At the same time, the lower noise level also helps to improve the comfort of equipment operators and reduce the health risks caused by long-term exposure to noise. By providing a quieter operating environment, this motor can meet the quiet and environmentally friendly needs of modern industry and commerce.



AC Reluctance Motor Technical Specifications
| Parameter | Details |
|---|---|
| Motor Type | AC Reluctance Motor |
| Power Rating | 0.75 kW - 150 kW |
| Voltage Rating | 230V / 400V / 690V AC |
| Frequency | 50/60 Hz |
| Efficiency Class | IE3 / IE4 |
| Insulation Class | F or H |
| Cooling Method | IC411, IC416 |
| Speed Range | 750 RPM - 3600 RPM |
| Torque Range | 5 Nm - 1000 Nm |
| Rated Speed | 1500 RPM / 3000 RPM |
| Duty Cycle | S1 (Continuous) |
| Mounting Type | Foot Mount (B3), Flange Mount (B5, B14) |
| Protection Class | IP55 / IP65 |
| Ambient Temperature | -20°C to +40°C |
| Noise Level | < 75 dB(A) |
| Frame Size | 80 mm - 355 mm |
| Bearing Type | Sealed Ball Bearings |
| Rotor Type | Squirrel Cage or Laminated Steel |
| Enclosure Type | Totally Enclosed, Fan Cooled (TEFC) |
| Vibration Level | Class A, as per ISO 10816 |
| Starting Method | Direct On-Line (DOL) or Soft Starter |
| Power Factor | 0.8 - 0.95 |
| Overload Capacity | 150% of Rated Current for 60 seconds |
Application areas of ac reluctance motor

Industrial manufacturing:
AC excitation motors are widely used in CNC machine tools, machining centers, and automated production lines. These devices usually require precise speed control and efficient power transmission to ensure the accuracy and stability of the production process. Due to the excellent speed regulation performance and efficient operation of AC excitation motors, they can maintain stable output under high load conditions, ensuring the continuity of the processing process and improving production efficiency. In addition, the advantages of low noise and low maintenance make it more economical in long-term operation, reducing the operating costs of the factory.
HVAC (heating, ventilation and air conditioning) system:
AC excitation motors also play an important role. Equipment such as air conditioners, fans and pumps usually require motors with high energy efficiency and reliable operation performance to meet the control requirements of temperature, humidity and air quality in buildings. AC excitation motors ensure that these devices can operate efficiently under various environmental conditions by providing stable power output, especially in commercial and residential buildings with strict requirements on energy consumption and noise control. In addition, the low maintenance characteristics of AC excitation motors reduce equipment downtime, extend the service life of the system, and improve the reliability and economy of the overall system.

Installation Method:
| Structure and installation type (IM code)) |
IM B3 | IM B8 | IM B5 | IM B6 | IM V5 | IM V1 | IM B7 | IM V6 | IM V3 |
| Installation diagram | ![]() |
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| Frame size | 63-450 | 63-160 | 63-280 | 63-160 | 63-160 | 63-450 | 63-160 | 63-160 | 63-160 |
| Structure and installation type (IM code)) |
IM V37 | IM V17 | IM B34 | IM V19 | IM V18 | IM B14 | IM V35 | IM V15 | IM B35 |
| Installation diagram | ![]() |
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| Frame size | 63-132 | 63-13 | 63-132 | 63-132 | 63-132 | 63-132 | 63-160 | 63-160 | 63-450 |
FAQ
1. What industrial applications is this motor suitable for?
This motor is widely used in a variety of industrial applications, especially in situations where high efficiency and precise speed control are required. For example, CNC machine tools, automated production lines, machining centers and other equipment can use this motor to provide stable power support. In addition, in heating, ventilation and air conditioning (HVAC) systems, this motor is widely used to drive air conditioning compressors, fans and pumps to ensure efficient operation and stability of the system.
2. What is the energy efficiency level of the motor?
The energy efficiency level of this motor meets the international high-efficiency motor standard, usually IE3 or IE4 level. High-efficiency motors can provide the same or even higher output power at lower energy consumption, which is very helpful in reducing the overall energy cost of enterprises. Especially in equipment that runs continuously, the improvement of energy efficiency can significantly reduce operating costs and comply with increasingly stringent environmental regulations.
3. Does the motor support variable frequency speed regulation?
Yes, this motor is fully compatible with frequency converters and can achieve a wide range of speed regulation. By working with frequency converters, the motor can smoothly adjust the speed from zero to rated speed to adapt to various different load requirements. This makes it particularly useful in applications that require flexible speed regulation, such as automated production lines or complex processing equipment.
4. What are the maintenance requirements of the motor?
The motor has low maintenance requirements, mainly due to its brushless design and high-quality sealed bearings. In a normal industrial environment, only basic inspection and lubrication are required at regular intervals. Due to its simple design structure, few wearing parts, low failure rate and long maintenance intervals. This low maintenance requirement makes the motor suitable for applications that require long-term continuous operation and are sensitive to downtime.
5. What is the noise level of the motor when in operation?
The motor produces low noise during normal operation, typically below 75 dB(A). This noise level makes it ideal for applications that require a low noise environment, such as HVAC systems in commercial buildings or industrial equipment with strict noise control requirements. Low noise not only helps to improve the comfort of the working environment, but also reduces the health risks of long-term exposure to noise.
6. What is the protection level of the motor?
The protection level of the motor is usually IP55 or IP65, which means that it has good dust and water resistance. The IP55 rating provides effective protection against dust ingress and to some extent against water spray, while the IP65 rating provides a higher level of protection and can operate reliably in harsher environments. This protection allows the motor to operate reliably in dusty, humid, or splashing industrial environments.
7. What are the starting methods for the motor?
The motor supports a variety of starting methods, including direct-on-line (DOL) and soft-start. Direct-on-line starting is suitable for applications with light loads, while soft-start can gradually increase the voltage during the starting process, reduce the starting current, and protect the motor and other equipment from damage caused by impact loads. This variety of starting methods ensures that the motor can operate stably and safely in a variety of application environments.
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