China supplier Ie1 Ie2 Ie3-63 Osja Series Aluminum Casing 3pH AC Brake Electric AC Motor vacuum pump booster

Product Description

The OSJA series AC brake 3 phase induction motors are totally enclosed fan cooled squirrel cage motor that are manufactured with new materialand technology.
The series aluminum frame AC brake motors with compact structure and removable feet, have the characteristics of high reliability, beautiful apperance, low noise ,little vibration, can be applied to a variery of transmission equipments such as fan, pump, machine tool, textile machinery, plastic machinery, food machinery, packaging machinery, wood-working machinery, etc.

Frame size: 63-132mm;
Output: 009-7.5kw;
Poles: 2-4-6-8-10;
protection class: IP44/IP54/IP55
Voltage: 220~440V;
S1, IC411, aluminum body
Mounting Type: B3,B5,B35,B14,B34…
Ambient temperature: -20senti degree≤ 0≤ 40senti degree
Altitude:lower than 1000 CHINAMFG above sea level

our production range:

we are good at AC motor with IEC/NEMA/GOST standard motor as below:

IEC—-frame size:80-560, 0.12kw to 2000kw with 220~1100V, general purpose;
      —-frame size:80-560, 0.12kw to 2000kw with 220~1100V,Explosion proof ExdIIBT4+CT4;

IEC—-frame size:355-900,  250kw to 5000kw with 3000~11000V,general purpose;
      —-frame size:355-900,  250kw to 5000kw with 3000~11000V,Explosion proof ExdIIBT4+CT4 ;

NEMA—-frame size: 143T-449T, 1hp to 300hp with 230-690V, general purpose;
          —-frame size: 143T-449T, 1hp to 300hp with 230-690V, Explosion proof ExdIIBT4;

GOST—-frame size: 63-560, 0.12kw to 2000kw with 220~1100V, general purpose;
          —-frame size: 63-450, 0.12kw to 1500kw with 220~1100V, Explosion proof ExdIIBT4;

 GOST—-frame size: 355-560,  185kw to 2500kw with 3000~11000V, general purpose;
           —-frame size: 355-560,  185kw to 2500kw with 3000~11000V,Explosion proof ExdIIBT4;

Certificate: ISO9001/CCC/CE0123/ATEX/CCS/CSA/UL/TUV…

Application: Industrial
Speed: Constant Speed
Number of Stator: Three-Phase
Function: Driving, Control
Casing Protection: Closed Type
Number of Poles: 2/4/6/8/10


electric motor

What maintenance practices are essential for prolonging the lifespan of an electric motor?

Maintaining electric motors is crucial for prolonging their lifespan and ensuring optimal performance. Proper maintenance practices help prevent failures, minimize downtime, and maximize the efficiency and reliability of electric motors. Here’s a detailed explanation of essential maintenance practices for prolonging the lifespan of an electric motor:

  1. Regular Inspections: Conduct regular visual inspections of the motor to identify any signs of wear, damage, or loose connections. Inspect the motor’s external components, such as the housing, bearings, cooling fans, and cables. Look for any unusual noise, vibration, or overheating during operation, as these can indicate potential issues that require attention.
  2. Lubrication: Proper lubrication is vital for the smooth operation and longevity of electric motors. Follow the manufacturer’s guidelines for lubrication intervals and use the recommended lubricants. Apply lubrication to bearings, shafts, and other moving parts as specified. Over-lubrication or using incompatible lubricants can cause overheating and premature wear, so it’s essential to follow the recommended practices.
  3. Cleaning: Keep the motor clean and free from dirt, dust, and debris that can accumulate over time. Regularly clean the motor’s exterior using a soft brush or compressed air. Ensure that cooling vents and fans are clear of any obstructions to maintain proper airflow and prevent overheating. Cleanliness helps prevent insulation damage and improves heat dissipation.
  4. Alignment and Balance: Misalignment or imbalance in the motor’s shaft and coupling can lead to excessive vibrations and premature wear. Regularly check and correct any misalignment or imbalance issues using precision alignment tools. Proper alignment and balance reduce stress on bearings and extend their lifespan, contributing to the overall longevity of the motor.
  5. Temperature Monitoring: Monitor the motor’s temperature during operation using temperature sensors or thermal imaging techniques. Excessive heat can damage insulation, bearings, and other components. If the motor consistently operates at high temperatures, investigate the cause and take corrective actions, such as improving ventilation, reducing loads, or addressing any cooling system issues.
  6. Electrical Connections: Inspect and tighten electrical connections regularly to ensure secure and reliable connections. Loose or corroded connections can lead to voltage drops, increased resistance, and overheating. Check terminal blocks, wiring, and motor leads for any signs of damage or degradation. Properly torquing electrical connections and addressing any issues promptly helps maintain electrical integrity.
  7. Vibration Analysis: Perform regular vibration analysis to detect any abnormal vibration patterns that could indicate underlying issues. Vibration analysis tools and techniques can help identify unbalanced rotors, misalignment, bearing wear, or other mechanical problems. Addressing vibration issues early can prevent further damage and improve motor performance and longevity.
  8. Periodic Testing and Maintenance: Conduct periodic testing and maintenance based on the manufacturer’s recommendations and industry best practices. This may include insulation resistance testing, winding resistance testing, bearing lubrication checks, and other diagnostic tests. Such tests help identify potential problems before they escalate and allow for timely maintenance and repairs.
  9. Training and Documentation: Ensure that maintenance personnel are properly trained in electric motor maintenance practices. Provide training on inspection techniques, lubrication procedures, alignment methods, and other essential maintenance tasks. Maintain comprehensive documentation of maintenance activities, including inspection reports, maintenance schedules, and repair records.

By implementing these maintenance practices, motor owners can significantly prolong the lifespan of electric motors. Regular inspections, proper lubrication, cleaning, alignment, temperature monitoring, electrical connection maintenance, vibration analysis, periodic testing, and training contribute to the motor’s reliability, efficiency, and overall longevity.

electric motor

Can electric motors be used in renewable energy systems like wind turbines?

Yes, electric motors can be used in renewable energy systems like wind turbines. In fact, electric motors play a crucial role in converting the kinetic energy of the wind into electrical energy in wind turbines. Here’s a detailed explanation of how electric motors are utilized in wind turbines and their role in renewable energy systems:

Wind turbines are designed to capture the energy from the wind and convert it into electrical power. Electric motors are used in wind turbines to drive the rotation of the turbine blades and generate electricity through the following process:

  1. Wind Capture: The wind turbine blades are designed to efficiently capture the kinetic energy of the wind. As the wind blows, it causes the blades to rotate.
  2. Blade Rotation: The rotational motion of the turbine blades is achieved through electric motors known as pitch motors. Pitch motors adjust the angle or pitch of the blades to optimize their orientation relative to the wind direction. The electric motors drive the mechanical mechanism that rotates the blades, allowing them to capture the maximum energy from the wind.
  3. Power Generation: The rotation of the wind turbine blades drives the main shaft of the turbine, which is connected to an electric generator. The generator consists of another electric motor known as the generator motor or generator rotor. The rotational motion of the generator rotor within a magnetic field induces an electrical current in the generator’s stator windings, producing electricity.
  4. Power Conversion and Distribution: The electricity generated by the wind turbine’s generator motor is typically in the form of alternating current (AC). To make it compatible with the electrical grid or local power system, the AC power is converted to the appropriate voltage and frequency using power electronics such as inverters. These power electronics may also incorporate electric motors for various conversion and control functions.
  5. Integration with Renewable Energy Systems: Wind turbines, equipped with electric motors, are integrated into renewable energy systems to contribute to the generation of clean and sustainable power. Multiple wind turbines can be connected together to form wind farms, which collectively generate significant amounts of electricity. The electricity produced by wind turbines can be fed into the electrical grid, used to power local communities, or stored in energy storage systems for later use.

Electric motors in wind turbines enable the efficient conversion of wind energy into electrical energy, making wind power a viable and renewable energy source. The advancements in motor and generator technologies, along with control systems and power electronics, have enhanced the performance, reliability, and overall efficiency of wind turbines. Additionally, electric motors allow for precise control and adjustment of the turbine blades, optimizing the energy capture and minimizing the impact of varying wind conditions.

Overall, the use of electric motors in wind turbines is instrumental in harnessing the power of wind and contributing to the generation of clean and sustainable energy in renewable energy systems.

electric motor

How do electric motors handle variations in load, speed, and torque?

Electric motors are designed to handle variations in load, speed, and torque through various control mechanisms and techniques. Here’s a detailed explanation of how electric motors handle these variations:

  1. Load Variations: Electric motors can handle variations in load by adjusting the amount of torque they produce. When the load on the motor increases, such as when additional resistance or weight is applied, the motor responds by increasing the torque output. This is achieved through the control of the motor’s input current or voltage. For example, in DC motors, increasing the current supplied to the motor can compensate for the increased load, ensuring that the motor can continue to operate at the desired speed.
  2. Speed Variations: Electric motors can handle variations in speed by adjusting the frequency of the power supply or by varying the voltage applied to the motor. In AC motors, the speed is determined by the frequency of the alternating current, so changing the frequency can alter the motor’s speed. In DC motors, the speed can be controlled by adjusting the voltage applied to the motor. This can be achieved using electronic speed controllers (ESCs) or by employing pulse width modulation (PWM) techniques to control the average voltage supplied to the motor.
  3. Torque Variations: Electric motors can handle variations in torque by adjusting the current flowing through the motor windings. The torque produced by a motor is directly proportional to the current flowing through the motor. By increasing or decreasing the current, the motor can adjust its torque output to match the requirements of the load. This can be accomplished through various control methods, such as using motor drives or controllers that regulate the current supplied to the motor based on the desired torque.
  4. Control Systems: Electric motors often incorporate control systems to handle variations in load, speed, and torque more precisely. These control systems can include feedback mechanisms, such as encoders or sensors, which provide information about the motor’s actual speed or position. The feedback signals are compared to the desired speed or position, and the control system adjusts the motor’s input parameters accordingly to maintain the desired performance. This closed-loop control allows electric motors to respond dynamically to changes in load, speed, and torque.

In summary, electric motors handle variations in load, speed, and torque through various control mechanisms. By adjusting the current, voltage, or frequency of the power supply, electric motors can accommodate changes in load and speed requirements. Additionally, control systems with feedback mechanisms enable precise regulation of motor performance, allowing the motor to respond dynamically to variations in load, speed, and torque. These control techniques ensure that electric motors can operate effectively across a range of operating conditions and adapt to the changing demands of the application.

China supplier Ie1 Ie2 Ie3-63 Osja Series Aluminum Casing 3pH AC Brake Electric AC Motor   vacuum pump booster	China supplier Ie1 Ie2 Ie3-63 Osja Series Aluminum Casing 3pH AC Brake Electric AC Motor   vacuum pump booster
editor by CX 2023-11-29