China factory High Efficiency Three Phase Motor7.5kw Ie2/Ie3 Induction AC Electric Motor vacuum pump brakes

Product Description

YE Series Three Phase Electric Motor

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 0.75KW to 315KW. For different voltage, frequency and different power, we can do the customized.

 Product Description

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.

 

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

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Currency: US$
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3 phase motor

What are the key components of a typical 3-phase motor?

A typical 3-phase motor consists of several key components that work together to convert electrical energy into mechanical energy. Here’s a detailed explanation of the key components of a typical 3-phase motor:

  • Stator: The stator is the stationary part of the motor and contains the core, windings, and other structural components. It consists of a laminated iron core with slots where the motor windings are placed. The stator windings are connected to the power supply and create a rotating magnetic field when energized.
  • Rotor: The rotor is the rotating part of the motor and is located inside the stator. It consists of a laminated iron core with conductive bars or coils embedded in it. The rotor is designed to rotate within the magnetic field generated by the stator windings. The interaction between the stator’s rotating magnetic field and the rotor’s conductive elements induces currents in the rotor, creating a torque that drives the rotation of the motor.
  • Windings: The windings are conductive coils of wire that are wound around the stator slots. In a 3-phase motor, there are typically three sets of windings, each spaced 120 degrees apart. These windings are designed to carry the three-phase alternating current (AC) from the power supply. The arrangement and connection of the windings create a rotating magnetic field in the motor, which interacts with the rotor to produce torque and rotation.
  • Power Supply Connections: The motor has terminals or leads for connecting it to the three-phase power supply. The power supply connections are typically labeled as L1, L2, and L3, corresponding to the three phases of the power supply. These connections provide the alternating current required to energize the stator windings and create the rotating magnetic field.
  • Bearings: Bearings are used to support the rotor and allow it to rotate smoothly within the stator. The motor typically has two bearings, one at each end of the rotor shaft. These bearings reduce friction and enable the efficient transfer of rotational motion from the rotor to the motor’s load.
  • Shaft: The shaft is a cylindrical component that extends from the rotor and serves as the mechanical link between the motor and the load. The shaft transfers the rotational motion generated by the motor to the connected equipment or machinery.
  • Housing or Frame: The motor is enclosed in a housing or frame that provides protection and support for the internal components. The housing is typically made of a durable material such as metal or plastic and is designed to withstand the operating conditions of the motor.
  • Cooling System: Many 3-phase motors incorporate a cooling system to dissipate heat generated during operation. This may include cooling fins on the motor housing, fan blades attached to the rotor shaft, or a separate cooling fan. Efficient cooling is essential to maintain optimal motor performance and prevent overheating.

These are the key components of a typical 3-phase motor. Each component plays a crucial role in the motor’s operation, from generating the rotating magnetic field to transferring mechanical energy to the load. Understanding these components is essential for troubleshooting, maintenance, and proper operation of 3-phase motors.

3 phase motor

What factors should be considered when selecting a 3-phase motor for an application?

When selecting a 3-phase motor for a specific application, several factors need to be considered to ensure optimal performance and compatibility. Here’s a detailed explanation of the key factors to consider:

  • Power Requirements: The power requirements of the application should be carefully evaluated. Determine the required horsepower (HP) or kilowatt (kW) rating of the motor based on the load characteristics, such as the torque and speed requirements. Consider both the continuous power requirements and any intermittent or peak power demands that the motor may experience during operation.
  • Voltage and Frequency: Verify the available voltage and frequency of the power supply in the application. Ensure that the motor’s voltage and frequency ratings match the power supply to ensure compatibility and safe operation. Common voltage ratings for 3-phase motors include 208V, 230V, 460V, and 575V, while frequencies are typically 50Hz or 60Hz.
  • Motor Speed: Determine the required speed of the motor for the application. Depending on the specific requirements, you may need a motor with a fixed speed, multiple speed options, or variable speed capabilities. Consider the motor’s synchronous speed, which is determined by the number of poles and the power supply frequency, and ensure it aligns with the desired operating speed.
  • Motor Enclosure: The motor enclosure should be selected based on the environmental conditions in which the motor will operate. Consider factors such as temperature, humidity, dust, corrosive substances, and the presence of flammable or explosive materials. Common motor enclosures include open drip-proof (ODP), totally enclosed fan-cooled (TEFC), and explosion-proof enclosures.
  • Efficiency: Energy efficiency is an important consideration to minimize operating costs and environmental impact. Look for motors that meet or exceed applicable efficiency standards, such as the NEMA Premium efficiency standards in the United States or the IE efficiency classes defined by the International Electrotechnical Commission (IEC).
  • Motor Size and Mounting: Consider the physical size and mounting requirements of the motor, ensuring it fits within the available space and can be securely mounted. Check the motor’s frame size, which indicates the physical dimensions and mounting compatibility, such as NEMA frame sizes in the United States or IEC frame sizes internationally.
  • Starting Method: Evaluate the starting requirements of the application. Depending on the load characteristics and the power supply capacity, you may need a motor with specific starting methods, such as direct-on-line (DOL) starting, reduced voltage starting (e.g., star-delta or autotransformer starting), or electronic soft starters. Consider the starting torque and current requirements to ensure successful motor startup.
  • Overload Protection: Determine the type of overload protection required for the motor. Overload protection devices, such as thermal overload relays or electronic motor protection relays, help prevent motor damage due to excessive heat or current overload. Select an appropriate overload protection device based on the motor’s power rating and the specific application requirements.
  • Reliability and Serviceability: Consider the reliability and serviceability aspects of the motor. Look for motors from reputable manufacturers with a track record of producing reliable products. Evaluate the availability of spare parts, technical support, and service centers for maintenance and repairs. Additionally, consider factors such as motor lifespan, bearing design, and ease of access for maintenance tasks.
  • Compliance and Certifications: Ensure that the selected motor complies with relevant industry standards and certifications, such as NEMA, IEC, UL (Underwriters Laboratories), CSA (Canadian Standards Association), or specific industry requirements. Compliance with these standards ensures that the motor meets safety, performance, and quality standards.

Considering these factors when selecting a 3-phase motor helps ensure that the motor is well-suited for the application, delivers optimal performance, and operates reliably and efficiently over its lifespan.

3 phase motor

How does a 3-phase motor ensure consistent and reliable performance in machinery?

A 3-phase motor is designed to ensure consistent and reliable performance in machinery. Here’s a detailed explanation of how it achieves this:

  • Rotating Magnetic Field:
    • A 3-phase motor operates by creating a rotating magnetic field in its stator. This rotating magnetic field induces a current in the rotor, causing it to rotate.
    • The design of the 3-phase motor, with three separate windings spaced 120 degrees apart, ensures a smooth and continuous rotation of the magnetic field. This results in a consistent and reliable rotation of the motor’s rotor.
  • Power Distribution:
    • 3-phase motors are typically connected to a 3-phase power supply. The three phases of the power supply provide a balanced and continuous flow of electrical power to the motor.
    • This balanced distribution of power across the three phases helps maintain a consistent and steady supply of electrical energy to the motor. It ensures that the motor receives a continuous and reliable power source, minimizing fluctuations and interruptions in performance.
  • Higher Efficiency:
    • Compared to single-phase motors, 3-phase motors are known for their higher efficiency and smoother operation. The balanced three-phase power supply and the rotating magnetic field contribute to this superior performance.
    • The balanced power distribution reduces power losses and minimizes voltage drops, resulting in improved energy efficiency. Additionally, the rotating magnetic field provides a more uniform torque output, reducing vibrations and ensuring smoother operation.
  • Robust Construction:
    • 3-phase motors are constructed to withstand the demanding conditions often encountered in industrial machinery.
    • Their robust design, including sturdy frames, high-quality materials, and effective cooling mechanisms, enhances their durability and reliability. This allows 3-phase motors to consistently deliver reliable performance, even in challenging environments.
  • Motor Protection:
    • To ensure reliable performance, 3-phase motors are equipped with various protective features.
    • These may include thermal overload protection, which safeguards the motor against excessive heat by monitoring the motor’s temperature and tripping a protective device if it exceeds a safe threshold.
    • Other protective features may include voltage and current monitoring, short circuit protection, and phase failure protection. These mechanisms help prevent damage to the motor and ensure its consistent and reliable operation.

Overall, a 3-phase motor ensures consistent and reliable performance in machinery through its design characteristics, balanced power distribution, higher efficiency, robust construction, and built-in protective features. These elements work together to deliver smooth operation, minimal interruptions, and long-term reliability, making 3-phase motors a preferred choice for a wide range of industrial applications.

China factory High Efficiency Three Phase Motor7.5kw Ie2/Ie3 Induction AC Electric Motor   vacuum pump brakesChina factory High Efficiency Three Phase Motor7.5kw Ie2/Ie3 Induction AC Electric Motor   vacuum pump brakes
editor by CX 2023-10-20