Product Description

Product Description

Our company has advanced production and testing equipment, established a sound quality and environmental management system, Products cover YE5, YE4, YE3, HM3, YBX3, YFB3, YBK3 , YBBP, YB3, YVF3, YVF2 , YVF, YKK, YKS series with general, explosion-proof, Marine, lifting, metallurgy, frequency conversion, high pressure, wind power etc. More than 50 series and 20,000 specifications, is 1 of the world’s varieties, specifications complete motor manufacturers.
The company has advanced production and testing equipment, established a sound quality, environmental management system, passed ISO9001, ISO14001, CCC, CQC, CE, UL and other certifications and recognition. The company adheres to the development strategy of “occupying the high point of science and technology and expanding the global market”, and has built 2 major domestic and international market segments. In more than 50 large and medium-sized cities in the country to establish warehouse sales branch, formed a fast and efficient marketing and service network, products are sold to Europe, Asia, Africa, the Americas and other more than 40 countries and regions. Enterprise scale and comprehensive economic benefits in the forefront of the global motor industry.

Product Parameters

General three-phase asynchronous motor
Model YE5 YE4 YE3 1L Y3 YEJ YD Y(IP23) 1AL
Power range(kw) 0.55-375 0.75-400 0.75-375 0.75-375 200-900 0.5-200 Widely used in machine tools, mining, metallurgy, textile and other industrial sectors of all kinds of universal, combination, special metal cutting machine tools and need to speed up various transmission mechanisms. Suitable for clean places without flammable, explosive and corrosive gases. It is used to drive all kinds of mechanical equipment without special requirements, such as machine tools, pumps, fans, compressors, transportation machinery, etc. Widely used in general agricultural and industrial enterprises to drive the slip rate and other performance of the machinery without special requirements, such as water pumps, blowers, transport machinery, agricultural machinery, mining machinery, metal cutting machine tools, mixers, rice mills, milling machines, etc.
Frame  Size 80-355 80-355 80-355 80-355 355-450 50-315
Voltage and frequency 380V/50Hz or Customized 380V/50Hz
or Customized
380V/50Hz or Customized 380V/50Hz  or Customized 380V/50Hz
660V/50Hz
380V/50Hz or Customized
Cooling Model IC411 IC411 IC411 IC411 IC411 IC411
Protection Grade IP55 IP55 IP55 IP55 IP55 IP55
Insulation grade 155(F) 155(F) 155(F) 155(F) 155(F) 155(F)
Environment temperature -15-40ºC -15-40ºC -15-40ºC -15-40ºC -15-40ºC -15-40ºC
Altitude (m) <1000 <1000 <1000 <1000 <1000 <1000

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Application: Industrial, Universal, Power Tools, Car
Operating Speed: High Speed
Number of Stator: Three-Phase
Species: Ye5 Series
Rotor Structure: Squirrel-Cage
Casing Protection: Protection Type
Customization:
Available

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3 phase motor

What is a 3-phase motor and how does it work?

A 3-phase motor is a type of electric motor that operates on a three-phase power supply. It is widely used in various industrial and commercial applications due to its efficiency, reliability, and ability to provide high torque output. Here’s a detailed explanation of what a 3-phase motor is and how it works:

A 3-phase motor consists of three windings, typically placed 120 degrees apart around the motor’s stator. These windings are energized by a balanced three-phase power supply, which generates a rotating magnetic field within the motor. The rotating magnetic field interacts with the motor’s rotor, causing it to rotate and produce mechanical power.

Here’s a step-by-step explanation of how a 3-phase motor works:

  1. Power Supply: A 3-phase motor requires a three-phase power supply, which typically consists of three alternating current (AC) voltage waveforms that are 120 degrees out of phase with each other. The power supply is connected to the motor’s three windings.
  2. Stator Windings: The stator windings are coils of wire that are wound around the motor’s stator. Each winding is connected to a different phase of the power supply. When the power supply is energized, alternating current flows through each winding, creating a magnetic field around the stator.
  3. Rotating Magnetic Field: The three-phase current flowing through the stator windings creates a rotating magnetic field. The rotating magnetic field is produced because the three phases are out of phase with each other by 120 degrees. This rotating magnetic field is responsible for the motor’s operation.
  4. Rotor: The rotor is the rotating part of the motor. It is typically made of a series of conductive bars or laminated iron cores. The rotor is placed within the rotating magnetic field created by the stator windings.
  5. Induction or Synchronous Operation: Depending on the design of the motor, it can operate as an induction motor or a synchronous motor.
    • Induction Motor: In an induction motor, the rotating magnetic field induces currents in the rotor bars through electromagnetic induction. These induced currents create a magnetic field in the rotor that interacts with the stator’s rotating magnetic field, causing the rotor to rotate. The speed at which the rotor rotates is slightly slower than the speed of the rotating magnetic field, creating a slip. The slip allows the motor to produce torque and overcome inertia or mechanical load.
  6. Mechanical Power Output: As the rotor rotates within the rotating magnetic field, it generates torque. The torque produced by the motor can be used to drive mechanical loads, such as pumps, fans, compressors, conveyors, or machinery. The motor’s speed and torque output can be controlled by adjusting the frequency or voltage of the three-phase power supply, or by implementing control strategies within the motor’s control system.

Overall, a 3-phase motor is a versatile and efficient motor that operates on a three-phase power supply. It works by creating a rotating magnetic field in the motor’s stator through energized windings. This rotating magnetic field interacts with the rotor, causing it to rotate and generate mechanical power. Whether it operates as an induction motor or a synchronous motor, the 3-phase motor is widely used in various industrial applications due to its reliable and high-performance characteristics.

3 phase motor

Can you provide examples of machinery or equipment that use 3-phase motors?

Various types of machinery and equipment rely on 3-phase motors for their operation. Here are some examples of applications where 3-phase motors are commonly used:

  • Industrial Machinery: 3-phase motors are extensively used in industrial machinery, including pumps, compressors, fans, blowers, conveyors, mixers, agitators, and centrifuges. These motors provide the necessary power and torque to drive heavy-duty equipment commonly found in manufacturing plants, refineries, mining operations, and other industrial settings.
  • Electric Generators: Many electric generators, both stationary and portable, are driven by 3-phase motors. These generators produce electrical power by converting mechanical energy into electrical energy. They are widely used in construction sites, emergency backup systems, remote locations, and other applications where a reliable power supply is required.
  • Air Conditioning and HVAC Systems: 3-phase motors are employed in air conditioning and HVAC (heating, ventilation, and air conditioning) systems. They power the compressors, fans, and pumps that circulate and condition the air in commercial buildings, offices, hospitals, shopping malls, and other large-scale facilities.
  • Machine Tools: Machine tools, such as lathes, milling machines, grinders, and drilling machines, often utilize 3-phase motors for precision machining operations. These motors provide the required power and control to drive the cutting tools and move the workpieces accurately.
  • Water and Wastewater Treatment Systems: 3-phase motors play a crucial role in water and wastewater treatment systems. They power pumps, aerators, mixers, and other equipment involved in the treatment and distribution of clean water, as well as the processing and disposal of wastewater in municipal and industrial treatment plants.
  • Refrigeration Systems: 3-phase motors are commonly used in commercial refrigeration systems, such as walk-in coolers, refrigerated display cases, and industrial refrigeration units. These motors drive the compressors that circulate the refrigerant and maintain the desired temperature for food storage, preservation, and cooling applications.
  • Elevators and Escalators: Many elevators and escalators rely on 3-phase motors for their vertical transportation functions. These motors power the lifting mechanisms, allowing for smooth and efficient movement of people and goods within buildings, airports, train stations, and other vertical transportation systems.
  • Industrial and Commercial Fans: Large industrial and commercial fans, such as those used for ventilation, cooling, or air circulation in warehouses, factories, gymnasiums, and other large spaces, often employ 3-phase motors. These motors provide the necessary power to drive the fan blades and move substantial volumes of air.
  • Printing Presses: Printing presses, used in the printing and publishing industry, utilize 3-phase motors to power various components, such as the paper feed systems, printing cylinders, ink pumps, and drying units. These motors enable high-speed and precise operation in commercial printing applications.
  • Crushers and Grinders: Crushers, grinders, and shredders in industries such as mining, construction, and recycling employ 3-phase motors to drive their crushing and grinding mechanisms. These motors provide the necessary power and torque to break down and process various materials efficiently.

These are just a few examples of machinery and equipment that rely on 3-phase motors for their operation. 3-phase motors are widely used in numerous industrial, commercial, and residential applications due to their efficiency, reliability, and ability to deliver high power output.

3 phase motor

How do 3-phase motors handle variations in load and speed requirements?

3-phase motors are capable of handling variations in load and speed requirements through various control methods. Here’s a detailed explanation of how they handle these variations:

  • Load Variations:
    • Inherent Torque Characteristics: 3-phase motors are designed to provide high starting torque and continuous torque output, making them suitable for a wide range of load variations. They can handle sudden changes in load without significant impact on motor performance.
    • Overload Capacity: 3-phase motors are typically designed with overload capacity to handle temporary increases in load beyond their rated capacity. This overload capacity allows the motor to withstand sudden surges in load without overheating or tripping protective devices.
    • Controlled Speed Regulation: By using control devices such as variable frequency drives (VFDs) or adjustable speed drives (ASDs), the speed and torque output of 3-phase motors can be adjusted in real-time to match the load requirements. This ensures efficient motor operation and minimizes energy wastage.
    • Motor Protection Features: 3-phase motors often incorporate protective features such as thermal overload protection and current limiters. These features help safeguard the motor against excessive heat or current, which can result from prolonged high-load conditions. They automatically intervene to protect the motor and prevent damage.
  • Speed Variations:
    • Variable Frequency Drives (VFDs): 3-phase motors can be coupled with VFDs, which allow precise control of motor speed. VFDs adjust the frequency and voltage supplied to the motor, enabling smooth and accurate speed regulation over a wide range. This flexibility in speed control makes 3-phase motors suitable for applications with varying speed requirements.
    • Adjustable Speed Drives (ASDs): Similar to VFDs, ASDs provide speed control capabilities for 3-phase motors. They allow users to adjust the motor’s speed and torque output based on specific application needs. ASDs can be used in various industrial processes that require precise speed control, such as conveyor systems, pumps, and fans.
    • Pole Changing Motors: Some 3-phase motors, known as pole changing motors, offer the ability to change the number of poles within the motor. This feature allows for speed variations by altering the motor’s synchronous speed. However, pole changing motors are less common compared to VFD or ASD-controlled motors.

Overall, 3-phase motors can handle variations in load and speed requirements through their inherent torque characteristics, overload capacity, and control options such as VFDs and ASDs. These features and control methods allow for efficient motor operation, precise speed regulation, and the ability to adapt to changing load conditions in various industrial applications.

China Standard Ye5 Series General Low Voltage Three-Phase Asynchronous Motor   vacuum pump design		China Standard Ye5 Series General Low Voltage Three-Phase Asynchronous Motor   vacuum pump design
editor by CX 2024-05-13