Product Description

Product Description

 

Asynchronous motors are 1 of the most-widely used electric machines globally. With their compact and sturdy construction, asynchronous motors guarantee maximum service life and maintainability for decades. 

Three Phase Asynchronous motor is the AC motors, the modular for 3 phase motor offers millions of possible drive combinations.

For the high efficiency electric motor, we have YE3, YE4, YE5 series, from 0.09KW to 315KW. For different voltage, frequency and different power, we can do the customized.
 

MOTOR TYPE Asynchronous motor, YE3, YE4, YE5.
STRUCTURE Iron Cast or Aluminum Housing, Customized.
PROTECTION CLASS IP54, IP55.
INSULATION CLASS Class F.
VOLTAGE 380V, 400V, 440V, 660V, Customized.
FREQUENCY 50Hz(60Hz Available).
EFFICIENCY IE3, IE4, IE5, 
OUTPUT POWER 0.75kW~315kW.
PHASE Three Phase.
POLE 2pole, 4pole, 6pole, 8pole, 10pole.
COOLING METHOD IC 411/Customized.
DUTY S1 (24Hour continuous working).
AMBIENT TEMPRETURE -15°C≤ 0 ≤ 40°C.
ALTITUDE Not exceeding 1000m above sea level
MOUNTING TYPE B3,B5,B35, V1, V3,Customized.
STHangZhouRD IEC International Standard, China CCC, ISO 9001, CE.
PACKAGE Carton or Wooden Case, well protection, easy loading and delivery. 
APPLICATION Water Pump, Assembly line, Air Compressor, Packing and Food Machinery, Mill Machinery, fan, and other equipment.
WARRANTY 1 year except for the wear parts.
DELIVERY TIME 10-30 working days.

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Application: Industrial
Operating Speed: Constant Speed
Number of Stator: Three-Phase
Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

3 phase motor

Can you explain the advantages of using a 3-phase motor?

Using a 3-phase motor offers several advantages over other types of motors. Here’s a detailed explanation of the advantages of using a 3-phase motor:

  • High Efficiency: 3-phase motors are known for their high efficiency. They can convert electrical energy into mechanical energy with minimal losses. The balanced three-phase power supply and the design of the motor result in a smoother and more efficient operation compared to single-phase motors.
  • Power Factor: 3-phase motors have a better power factor compared to single-phase motors. Power factor is a measure of how effectively the motor utilizes the electrical power. By having a higher power factor, 3-phase motors reduce the amount of reactive power required from the power supply, resulting in improved overall power system efficiency.
  • High Starting Torque: 3-phase motors can provide high starting torque, making them suitable for applications that require the motor to start under load. The three-phase power supply and the design of the motor enable it to produce a strong rotating magnetic field, which allows for efficient starting and acceleration of the motor’s rotor.
  • Smooth Operation: The rotating magnetic field produced by the three-phase power supply results in smooth and continuous operation of the motor. This characteristic makes 3-phase motors ideal for applications that require constant and reliable operation, such as industrial machinery, pumps, compressors, and HVAC systems.
  • Compact Size and Weight: 3-phase motors tend to be more compact and lightweight compared to equivalent power single-phase motors. This compactness is due to the even distribution of the windings around the stator and the absence of additional starting components often required in single-phase motors.
  • Higher Power Output: 3-phase motors can deliver higher power output compared to single-phase motors of similar size. The balanced three-phase power supply and the design of the motor allow for efficient utilization of electrical power, enabling the motor to provide greater mechanical power output.
  • Lower Maintenance: 3-phase motors generally require lower maintenance compared to other types of motors. The balanced three-phase power supply and the absence of starting components, such as capacitors or centrifugal switches, reduce wear and tear, resulting in longer motor life and reduced maintenance requirements.
  • Wide Availability and Standardization: 3-phase motors are widely available and standardized, making them easily accessible for various applications. They are manufactured in a wide range of sizes and power ratings, allowing for flexibility in selecting the appropriate motor for specific requirements.

Overall, the advantages of using a 3-phase motor include high efficiency, better power factor, high starting torque, smooth operation, compact size and weight, higher power output, lower maintenance requirements, and wide availability. These advantages make 3-phase motors suitable for a wide range of applications in industrial, commercial, and residential settings.

3 phase motor

What maintenance practices are essential for prolonging the lifespan of a 3-phase motor?

Proper maintenance is crucial for prolonging the lifespan and ensuring the reliable performance of a 3-phase motor. Here are some essential maintenance practices that should be followed:

  • Regular Cleaning: Keep the motor and its surrounding area clean and free from dust, dirt, and debris. Regularly inspect and clean the motor’s exterior, ventilation openings, and cooling fins. This helps prevent the accumulation of contaminants that can interfere with the motor’s cooling and ventilation, leading to overheating and reduced efficiency.
  • Lubrication: Follow the manufacturer’s recommendations for lubrication intervals and use the specified lubricants. Proper lubrication of bearings, gears, and other moving parts reduces friction, minimizes wear and tear, and ensures smooth operation. Inspect and replenish lubricants as needed, taking care not to over-lubricate, which can cause excessive heat buildup.
  • Vibration Analysis: Monitor motor vibrations regularly using vibration analysis techniques. Excessive vibration can indicate misalignment, worn bearings, or other mechanical issues. By detecting and addressing vibration problems early on, potential failures can be prevented, and the motor’s lifespan can be prolonged.
  • Electrical Inspections: Periodically inspect the motor’s electrical connections, terminals, and wiring for signs of wear, loose connections, or overheating. Tighten any loose connections and address any abnormalities promptly. Electrical inspections help prevent electrical failures and ensure safe and efficient motor operation.
  • Temperature Monitoring: Monitor the motor’s operating temperature using temperature sensors or thermal imaging. Abnormally high temperatures can indicate issues such as overload, insufficient cooling, or bearing problems. Regular temperature monitoring allows for timely identification of potential problems and the implementation of corrective measures.
  • Alignment and Balancing: Ensure the motor is properly aligned with the driven equipment, such as pumps or fans. Misalignment can cause excessive stress on the motor shaft and bearings, leading to premature failure. Additionally, balance any rotating components, such as fan blades or impellers, to reduce vibrations and strain on the motor.
  • Inspect and Replace Worn Parts: Regularly inspect the motor’s components, such as belts, pulleys, brushes, and capacitors, for signs of wear, damage, or deterioration. Replace any worn or damaged parts promptly to prevent further damage to the motor and ensure optimal performance.
  • Preventive Maintenance Schedule: Establish a preventive maintenance schedule based on the manufacturer’s recommendations and the motor’s operating conditions. This schedule should include routine inspections, lubrication, cleaning, and testing. Adhering to a regular maintenance routine helps identify potential issues early on and allows for timely repair or replacement, thus extending the motor’s lifespan.
  • Training and Documentation: Ensure that maintenance personnel are properly trained in motor maintenance procedures and safety protocols. Maintain detailed documentation of maintenance activities, including dates, observations, and performed tasks. This documentation provides a historical record of maintenance activities and facilitates troubleshooting and future maintenance efforts.
  • Environmental Considerations: Protect the motor from harsh environmental conditions, such as excessive heat, humidity, dust, or corrosive substances. If the motor is exposed to such conditions, consider implementing protective measures, such as enclosures, ventilation systems, or sealing, to safeguard the motor and prolong its lifespan.

By implementing these maintenance practices, motor owners can maximize the lifespan, reliability, and performance of their 3-phase motors. Regular inspections, cleaning, lubrication, and addressing any identified issues promptly are key to ensuring optimal motor operation and minimizing the risk of unexpected failures.

3 phase motor

How do 3-phase motors handle variations in voltage and frequency?

3-phase motors are designed to handle variations in voltage and frequency within certain limits. Here’s a detailed explanation of how they handle these variations:

  • Voltage Variations:
    • 3-phase motors are typically designed to operate within a specific voltage range. As long as the applied voltage remains within this range, the motor can function properly.
    • When the voltage supplied to a 3-phase motor varies, the motor’s performance may be affected. If the voltage drops significantly below the rated voltage, the motor may experience reduced torque and power output. Conversely, if the voltage exceeds the rated value, the motor may draw excessive current, leading to overheating and potential damage.
    • To handle voltage variations, 3-phase motors often incorporate protective devices such as thermal overload relays or motor protection circuits. These devices can detect abnormal operating conditions caused by voltage fluctuations and take appropriate actions, such as shutting down the motor or reducing its load.
  • Frequency Variations:
    • The speed of a 3-phase motor is directly proportional to the frequency of the power supply. When the frequency deviates from the rated value, the motor’s speed and performance can be affected.
    • If the frequency increases, the motor’s speed will also increase, resulting in higher torque and power output. Conversely, a decrease in frequency will lead to a decrease in speed, resulting in reduced torque and power output.
    • 3-phase motors can handle frequency variations up to a certain extent. However, if the frequency deviates too far from the rated value, the motor’s performance may become unstable or it may fail to start altogether.
    • For precise control over motor speed, variable frequency drives (VFDs) can be used. VFDs can adjust the frequency of the power supply to the motor, allowing for precise speed control and compensation for frequency variations.
  • Voltage and Frequency Tolerance:
    • International standards specify the acceptable voltage and frequency tolerances for 3-phase motors. These standards ensure that motors can operate reliably and safely within specified voltage and frequency ranges.
    • Motor manufacturers often provide voltage and frequency tolerance specifications for their products. These specifications indicate the allowable range of voltage and frequency variations that the motor can handle without compromising its performance or safety.
    • When selecting a 3-phase motor, it is important to consider the voltage and frequency requirements of the specific application and ensure that the motor’s voltage and frequency ratings align with the available power supply.

Overall, 3-phase motors are designed to handle variations in voltage and frequency within specified limits. They incorporate protective devices and can be paired with control devices such as VFDs to compensate for voltage and frequency fluctuations, ensuring optimal performance and protection against potential damage.

China high quality Wholesale 11kw High Efficiency Small Electric Motors Electric Motor 24V   vacuum pump engine	China high quality Wholesale 11kw High Efficiency Small Electric Motors Electric Motor 24V   vacuum pump engine
editor by CX 2024-04-15