0.75 Kw 3 Phase Motor

Power and efficiency

Scope of application: The power of 0.75 kW makes this motor excellent in light-load industrial applications, especially in small pumps, fans and conveyor belts. Such applications usually do not require excessive power, but require the motor to have stable and efficient energy output.
Energy conversion efficiency: Although the power of 0.75 kW is relatively small, the design of the three-phase motor gives it excellent energy conversion capabilities. Under rated load, the efficiency of the motor is usually between 85% and 90%. This means that most of the input electrical energy can be effectively converted into mechanical energy, reducing unnecessary energy waste.
Energy saving advantage: Higher efficiency not only helps save energy, but also significantly reduces operating costs. This advantage is particularly evident in applications that require long-term continuous operation, reducing the economic pressure caused by energy consumption.
Structure and material

Casing material: The motor usually uses cast iron or aluminum casing, and these two materials have their own advantages. The cast iron casing provides excellent rigidity and durability, can be used in harsh industrial environments, and has excellent impact and corrosion resistance. Aluminum housings are widely used in applications with high heat dissipation requirements due to their light weight and excellent heat dissipation performance.
Internal components: The internal rotor and stator of the motor are made of high-quality silicon steel sheets, which are excellent in reducing hysteresis losses and eddy current losses. Reducing these losses can improve the overall efficiency of the motor and reduce the heat generated during operation, further improving the reliability of the motor.
Cooling and ventilation

Fan cooling system: In order to ensure that the motor does not overheat during long-term operation, the motor is usually equipped with a fan cooling system. The system introduces external air into the motor through the fan at the tail of the motor, effectively removing the heat generated during operation.
Heat dissipation design: The motor housing is usually designed with heat sinks, which can increase the surface area of ​​the housing and enhance the heat dissipation effect. Good heat dissipation design ensures that the motor can maintain a stable operating temperature even under high-load working conditions, avoiding performance degradation or damage due to overheating.
Insulation and safety

Coil insulation: The coils of the motor are made of high-quality insulating materials, such as polyester or polyurethane enameled wire, which can work normally under high temperature conditions. Usually, these materials have a temperature resistance of F (155°C) or H (180°C), which can effectively prevent coil short circuits and extend the service life of the motor.
Overheat protection: In order to improve the safety of the motor, the motor is usually equipped with an overheat protection device. Once the internal temperature of the motor exceeds the set value, the overheat protection device will automatically cut off the power supply, thereby preventing the motor from overheating and damage, and protecting the connected equipment from being affected.
Startup and control

Smooth start: Three-phase motors are well known for their smooth starting characteristics. Even when starting under heavy load, the motor can provide a large starting torque without the need for additional starting equipment such as starting capacitors or transformers.
Frequency conversion control: Through the frequency converter or soft starter, precise control of the motor can be achieved, and the speed and torque of the motor can be adjusted to meet the needs of different working conditions. This control method is particularly suitable for mechanical processing equipment and automation systems, which require frequent speed regulation and flexible operation.

 

 

 

 

Application areas of 0.75 kw 3 phase motor

 

Industrial Machinery

Pumps: Ideal for driving small to medium-sized pumps used in water supply, drainage, and chemical processing. The motor's power and efficiency make it suitable for applications requiring consistent and reliable fluid movement.
Fans and Blowers: Used in ventilation systems to drive exhaust fans, blowers, and cooling fans. Its ability to maintain steady speeds is crucial for effective air circulation and temperature control.
Conveyors: Employed in conveyor systems for moving materials or products in manufacturing and packaging processes. The motor's durability and smooth operation ensure efficient material handling.

Automated Systems

Robotics: Can be used in robotic applications where precise and reliable motion is required. The motor's variable speed control features are beneficial for tasks involving automation and control systems.
Assembly Lines: Powers various components of automated assembly lines, including conveyors and actuators, ensuring smooth and efficient operation.

 

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
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
Frame size	63-132	63-13	63-132	63-132	63-132	63-132	63-160	63-160	63-450

 

 

 

 

 

 

 

FAQ

1.What is the primary application of this motor, and what types of equipment is it typically used in?

This motor is designed for use in various light to medium-duty industrial and commercial applications. It is commonly found in equipment such as small pumps, fans, blowers, and conveyor systems. It is also suitable for use in HVAC systems, agricultural machinery, and small manufacturing tools. Its versatility makes it a good choice for driving machinery that requires reliable and consistent power for tasks like fluid movement, air circulation, and material handling.

2.What are the key electrical specifications of this motor?

The motor operates at a rated power of 0.75 kW and is compatible with a voltage range of 220/380V, depending on the specific wiring configuration. It runs at a frequency of either 50 Hz or 60 Hz, accommodating various regional power standards. The current consumption is approximately 2.8 amps at 220V and 1.6 amps at 380V. Its efficiency typically ranges between 85% and 90%, which indicates effective energy conversion and helps reduce operating costs.

3.Can you provide details about the motor's cooling and protection features?

This motor is equipped with a self-ventilated cooling system, which includes a built-in fan that draws external air through the motor to dissipate heat generated during operation. This cooling method helps maintain optimal operating temperatures and prevents overheating. Additionally, the motor is protected by an IP55 rating, ensuring it is resistant to dust ingress and protected against low-pressure water jets, making it suitable for various industrial environments.

4.What materials are used in the construction of the motor, and how do they affect its durability?

The motor's exterior is typically constructed from either cast iron or aluminum. Cast iron offers superior rigidity and durability, making it ideal for harsh industrial conditions where impact and vibration might be a concern. Aluminum, on the other hand, provides a lighter weight and better heat dissipation, which is beneficial in applications requiring efficient cooling. The internal components, such as the rotor and stator, are made from high-quality silicon steel, which minimizes magnetic losses and enhances overall efficiency.

5.What is the motor's insulation class, and what does it mean for its performance and longevity?

The motor is equipped with insulation classified as either F or H. Insulation Class F can withstand temperatures up to 155°C, while Class H can handle temperatures up to 180°C. This high level of insulation ensures that the motor can operate reliably under varying thermal conditions and contributes to its long service life by protecting the windings from overheating and potential damage.

6.How is the motor started and controlled, and what options are available for adjusting its performance?

The motor features a smooth start-up capability due to its inherent design, which provides a stable start-up torque without the need for additional start-up devices. For applications requiring variable speed or precise control, the motor can be paired with a variable frequency drive (VFD) or a soft starter. These devices allow for adjustments in speed and torque, making the motor adaptable to various operational requirements and improving overall process control.

7.What maintenance is required for this motor, and how can its lifespan be maximized?

Regular maintenance for this motor includes checking and cleaning the cooling fan and ventilation openings to ensure efficient cooling. Periodic inspection of the bearings for wear and proper lubrication is also recommended. Additionally, monitoring insulation resistance and performing occasional thermal scans can help identify potential issues before they become significant problems. Proper maintenance practices, including adhering to operating temperature limits and avoiding overload conditions, will contribute to the motor's extended lifespan and reliable performance.

 

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