3 Phase Induction Motors Factory

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Victory Machinery Technology Co., LTD(Changzhou YongZhuan Motor Co., LTD) is a comprehensive motor design and manufacturing enterprise with a modern production scale. It is located in Changzhou, Jiangsu, China.

We have more than 200 employees, including more than 30 professional and technical personnel, cover an area of more than 20,000 square meters, registered capital of 80 million yuan, and annual production of 3000,000 motors. OEM/ODM Three Phase Asynchronous Motors Suppliers and 3 Phase AC Induction Motors Factory in China. We have a strong technical force, the rotor production line will implement the use of an intelligent robot production line, stator machining will be used for automatic production line and intelligent detection, and the whole machine assembly has implemented semi-automatic production, and intelligent detection, intelligent motor performance testing equipment has more than 20 sets.

Our main products are special motors for reducers, YS series sub-horsepower motors, YE3, and YE4 high-efficiency energy-saving motors, YEJ brake motors, YVP variable frequency motors, YBX3 explosion-proof motors, YFB3 dust explosion-proof motor, ultra-high efficiency asynchronous starting permanent magnet synchronous motor series, ultra-high efficiency variable frequency drive permanent magnet synchronous motor, aluminum shell series motor and various special technologies The operation requires a motor. Products are widely used in metallurgy, machinery, coal, petroleum, chemical, electric power, water conservancy, environmental protection, and other industries.


We provide professional OEM and ODM service to meet your needs.


Three-phase Asynchronous Motor Industry knowledge

What is the principle of operation behind a Three-Phase Asynchronous Motor?

Here's a step-by-step explanation of how it works:
Three-Phase Supply: The motor is connected to a three-phase AC power supply. This supply generates three alternating currents that are 120 degrees out of phase with each other.
Stator: The stator is the stationary part of the motor and is responsible for creating a rotating magnetic field. It consists of three sets of windings, typically evenly spaced around the inside of the motor housing. Each set of windings corresponds to one of the phases of the three-phase supply.
Rotating Magnetic Field: When the three-phase power is applied to the stator windings, it generates a rotating magnetic field. The magnetic field's direction changes with time due to the alternating nature of the three-phase supply. This rotating magnetic field rotates at a synchronous speed (the speed at which a hypothetical rotor would turn if it could keep up with the field's rotation).
Rotor: Inside the motor, there is a rotor, which is typically made of a stack of laminated iron cores. The rotor is free to rotate within the stator's magnetic field.
Induction: As the stator's magnetic field rotates, it induces currents in the rotor by electromagnetic induction. These induced currents create their own magnetic fields, and according to Lenz's Law, these magnetic fields will oppose the change in the stator's magnetic field. This interaction causes the rotor to start turning, attempting to catch up with the rotating magnetic field.
Slip: The rotor never reaches the exact speed of the rotating magnetic field. Instead, it lags slightly behind, creating a speed difference known as "slip." The slip is necessary for the motor to generate torque. The greater the slip, the higher the torque.
Torque Production: The interaction between the rotating magnetic field and the rotor's induced currents generates a torque on the rotor. This torque causes the rotor to turn and powers the connected mechanical load.
Steady-State Operation: Once the 3 Phase AC Induction Motors reaches a steady-state operation, it continues to turn at a speed slightly below the synchronous speed, with the slip determining the motor's speed. The rotor speed depends on the load and the amount of slip required to develop the necessary torque.

What are the advantages of using a Three-Phase Asynchronous Motor in industrial applications?

Three-Phase Induction Motors, offer several advantages that make them well-suited for various industrial applications:
Reliability: 3 Phase Electric Induction Motor are known for their robust and reliable operation. They have a simple design with no brushes or commutators to wear out, which reduces maintenance requirements and increases their lifespan.
Efficiency: They are highly efficient, especially when running at or near their rated speed. This efficiency makes them cost-effective to operate in the long run, reducing energy consumption.
Low Maintenance: As there are no brushes to replace or commutators to maintain, Three-Phase Asynchronous Motors require minimal maintenance. This is particularly beneficial in industrial settings where continuous operation is critical.
High Torque at Low Speeds: These motors can provide high starting torque, making them suitable for applications where heavy loads need to be accelerated from a standstill, such as conveyor belts, pumps, and compressors.
Suitable for Variable Loads: Three-Phase Asynchronous Motors can handle variable load conditions without much trouble, making them versatile for applications with changing load demands.
Cost-Effective: They are often more cost-effective to manufacture and purchase compared to other motor types, such as synchronous motors or DC motors.
Longevity: When properly maintained, Three-Phase Asynchronous Motors can have a long operational life, which is essential in industrial environments where equipment durability is paramount.
Ease of Control: These motors are relatively easy to control using simple and widely available control techniques, such as variable frequency drives (VFDs) or soft starters.
Three-Phase Power Supply: They are designed to work with three-phase power systems, which are common in industrial settings. Three-phase power provides a more efficient and balanced energy supply, reducing power losses.
Low Inrush Current: Three-Phase Asynchronous Motors have a relatively low inrush current during startup, which is advantageous for avoiding power supply disruptions and minimizing electrical infrastructure costs.
Reduced EMI: They produce less electromagnetic interference (EMI) compared to some other motor types, which is important in applications where sensitive electronic equipment is nearby.
Wide Range of Sizes: These 3 Phase Electric Motor are available in a wide range of sizes and power ratings, making them suitable for various industrial applications, from small fans to large machinery.
Environmental Friendliness: They are environmentally friendly due to their energy efficiency and the absence of brushes and commutators that can produce wear-related debris.