Product Description

Frequency Variable Three Phase AC Electric Motor VFD Inverted Duty 5~100Hz Squirrel Cage Induction Motors 

Widely applied in metallurgy, chemistry, textile, pharmacy, printing, packing and food industry on the machine or equipment by which adjustable speed is needed, like fan, pump, numerical control machine, machining center, etc.

General Description

  • Frame sizes: 80 to 355    
  • Rated output: 0.18 to 375kW          
  • Insulation class: F            
  • Voltage: 380V
  • Efficiency levels: IE1 / IE2 / IE3
  • Frequency range for 2P: (3) 5-100Hz (frame size 80-250)
  •                                         (3) 5-70Hz (frame size 280)
                                            (3) 5-60Hz (frame size 315-355)
  • Frequency range for 4, 6, 8, 10P: (3) 5-100Hz


*Stepless speed regulation in a wide range
*Good performance, energy saving
*High-grade insulation material and special technological can withstand high frequency pulse impact
*Separated fan for forced-ventilation
*Separated fan for forced-ventilation

Optional Features:
Insulation Class:H
Thermal Protection: PTC Thermistor, Thermostat or PT100
Others mountings
Protection Degree:IP55, IP56, IP65
Sealing:Lip seal, Oil seal 
Space Heater
Drain Hole

Model Output
Rated Ampere A RPM Eff.% Power Factor Rated Torque
dB(A) Constant Torque
Frequency Range
Constant Output 
Frequency Range
Synchronous speed  3000r/min
YE3VF80M1-2 0.75 1.7 2855 80.7 0.83 2.51 70 5-50 50-100
YE3VF80M2-2 1.1 2.4 2870 82.7 0.83 3.66 70
YE3VF90S-2 1.5 3.2 2865 84.2 0.84 5.00 74
YE3VF90L-2 2.2 4.6 2870 85.9 0.85 7.32 74
YE3VF100L-2 3 6.0 2875 87.1 0.87 9.97 78
YE3VF112M-2 4 7.8 2910 88.1 0.88 13.1 82
YE3VF132S1-2 5.5 10.6 2935 89.2 0.88 17.9 85
YE3VF132S2-2 7.5 14.4 2930 90.1 0.88 24.4 85
YE3VF160M1-2 11 20.6 2950 91.2 0.89 35.6 87
YE3VF160M2-2 15 27.9 2945 91.9 0.89 48.6 87
YE3VF160L-2 18.5 34.2 2945 92.4 0.89 60.0 87
YE3VF180M-2 22 40.5 2950 92.7 0.89 71.2 90
YE3VF200L1-2 30 54.9 2960 93.3 0.89 96.8 92
YE3VF200L2-2 37 67.4 2960 93.7 0.89 119 92
YE3VF225M-2 45 80.8 2965 94.0 0.90 145 94
YE3VF250M-2 55 98.5 2970 94.3 0.90 177 96 5-50 50-70
YE3VF280S-2 75 134 2975 94.7 0.90 241 98
YE3VF280M-2 90 160 2970 95.0 0.90 289 98

Model Output
Rated Ampere A RPM Eff.% Power Factor Rated Torque
dB(A) Constant Torque
Frequency Range
Constant Output 
Frequency Range
Synchronous speed  3000r/min
YE3VF315S-2 110 195 2975 95.2 0.90 353 100 5-50 50-60
YE3VF315M-2 132 234 2975 95.4 0.90 424 100
YE3VF315L1-2 160 279 2975 95.6 0.91 514 100
YE3VF315L-2 185 323 2975 95.7 0.91 594 100
YE3VF315L2-2 200 349 2975 95.8 0.91 642 100
YE3VF315L3-2 220 383 2975 95.8 0.91 706 100
YE3VF355M1-2 220 383 2980 95.8 0.91 706 103
YE3VF355M-2 250 436 2980 95.8 0.91 801 103
YE3VF355L1-2 280 488 2980 95.8 0.91 897 103
YE3VF355L-2 315 549 2980 95.8 0.91 1009 103
YE3VF355L2-2 355 619 2980 95.8 0.91 1138 103
YE3VF355L3-2 375 654 2980 95.8 0.91 1202 103
  Synchronous speed  1500r/min
YE3VF80M1-4 0.55 1.4 1430 80.6 0.75 3.67 62 5-50 50-100
YE3VF80M2-4 0.75 1.8 1425 82.5 0.75 5.03 62
YE3VF90S-4 1.1 2.6 1420 84.1 0.76 7.40 64
YE3VF90L-4 1.5 3.5 1420 85.3 0.77 10.1 64
YE3VF100L1-4 2.2 4.8 1430 86.7 0.81 14.7 68
YE3VF100L2-4 3 6.3 1430 87.7 0.82 20.0 68
YE3VF112M-4 4 8.4 1450 88.6 0.82 26.3 72
YE3VF132S-4 5.5 11.2 1465 89.6 0.83 35.9 76
YE3VF132M-4 7.5 15.0 1465 90.4 0.84 48.9 76
YE3VF160M-4 11 21.5 1470 91.4 0.85 71.5 79
YE3VF160L-4 15 28.8 1470 92.1 0.86 97.4 79
YE3VF180M-4 18.5 35.3 1470 92.6 0.86 120 83
YE3VF180L-4 22 41.8 1465 93.0 0.86 143 83
YE3VF200L-4 30 56.6 1475 93.6 0.86 194 85
YE3VF225S-4 37 69.6 1480 93.9 0.86 239 88
YE3VF225M-4 45 84.4 1480 94.2 0.86 290 88
YE3VF250M-4 55 103 1485 94.6 0.86 354 92
YE3VF280S-4 75 136 1490 95.0 0.88 481 94
YE3VF280M-4 90 163 1485 95.2 0.88 579 94
YE3VF315S-4 110 197 1485 95.4 0.89 707 96 50-75
YE3VF315M-4 132 236 1485 95.6 0.89 849 96
YE3VF315L1-4 160 282 1485 95.8 0.90 1571 96
YE3VF315L-4 185 326 1485 95.9 0.90 1190 96
YE3VF315L2-4 200 352 1485 96.0 0.90 1286 96

Specifications of cooling blower and brake for the motor

Motor Frame 80 90 100 112 132 160 180 200 225 250 280 315 355
Cooling Fan (W)
30 42 52 55 55 80 80 150 200 230 320 700 700
0.09 0.16 0.18 0.18 0.19 0.26 0.30 0.6 0.6 0.6 1.1 1.8 1.9
Voltage Standard 380V, but blower of other voltage can be customized depending on user’s requirement.
Encoder Optional Incremental Encoder

Mounting Type:
Conventional mounting type and suitable frame size are given in following table(with “√”)

Frame basic type derived type
B3 B5 B35 V1 V3 V5 V6 B6 B7 B8 V15 V36 B14 B34 V18

If there is no other request in the order or agreement, terminal box standard position is at the right side of the frame; data above may be changed without prior notice.

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Application: Industrial, Universal, Household Appliances, Power Tools, Car, VFD Motor
Operating Speed: Adjust Speed
Number of Stator: Three-Phase
Species: YVP Series Frequency Control
Rotor Structure: Squirrel-Cage
Casing Protection: Protection Type
US$ 100/Piece
1 Piece(Min.Order)




induction motor

Can you explain the concept of motor efficiency and how it relates to AC motors?

Motor efficiency is a measure of how effectively an electric motor converts electrical power into mechanical power. It represents the ratio of the motor’s useful output power (mechanical power) to the input power (electrical power) it consumes. Higher efficiency indicates that the motor converts a larger percentage of the electrical energy into useful mechanical work, while minimizing energy losses in the form of heat and other inefficiencies.

In the case of AC motors, efficiency is particularly important due to their wide usage in various applications, ranging from residential appliances to industrial machinery. AC motors can be both induction motors, which are the most common type, and synchronous motors, which operate at a constant speed synchronized with the frequency of the power supply.

The efficiency of an AC motor is influenced by several factors:

  1. Motor Design: The design of the motor, including its core materials, winding configuration, and rotor construction, affects its efficiency. Motors that are designed with low-resistance windings, high-quality magnetic materials, and optimized rotor designs tend to have higher efficiency.
  2. Motor Size: The physical size of the motor can also impact its efficiency. Larger motors generally have higher efficiency because they can dissipate heat more effectively, reducing losses. However, it’s important to select a motor size that matches the application requirements to avoid operating the motor at low efficiency due to underloading.
  3. Operating Conditions: The operating conditions, such as load demand, speed, and temperature, can influence motor efficiency. Motors are typically designed for maximum efficiency at or near their rated load. Operating the motor beyond its rated load or at very light loads can reduce efficiency. Additionally, high ambient temperatures can cause increased losses and reduced efficiency.
  4. Magnetic Losses: AC motors experience losses due to magnetic effects, such as hysteresis and eddy current losses in the core materials. These losses result in heat generation and reduce overall efficiency. Motor designs that minimize magnetic losses through the use of high-quality magnetic materials and optimized core designs can improve efficiency.
  5. Mechanical Friction and Windage Losses: Friction and windage losses in the motor’s bearings, shaft, and rotating parts also contribute to energy losses and reduced efficiency. Proper lubrication, bearing selection, and reducing unnecessary mechanical resistance can help minimize these losses.

Efficiency is an important consideration when selecting an AC motor, as it directly impacts energy consumption and operating costs. Motors with higher efficiency consume less electrical power, resulting in reduced energy bills and a smaller environmental footprint. Additionally, higher efficiency often translates to less heat generation, which can enhance the motor’s reliability and lifespan.

Regulatory bodies and standards organizations, such as the International Electrotechnical Commission (IEC) and the National Electrical Manufacturers Association (NEMA), provide efficiency classes and standards for AC motors, such as IE efficiency classes and NEMA premium efficiency standards. These standards help consumers compare the efficiency levels of different motors and make informed choices to optimize energy efficiency.

In summary, motor efficiency is a measure of how effectively an AC motor converts electrical power into mechanical power. By selecting motors with higher efficiency, users can reduce energy consumption, operating costs, and environmental impact while ensuring reliable and sustainable motor performance.

induction motor

Are there energy-saving technologies or features available in modern AC motors?

Yes, modern AC motors often incorporate various energy-saving technologies and features designed to improve their efficiency and reduce power consumption. These advancements aim to minimize energy losses and optimize motor performance. Here are some energy-saving technologies and features commonly found in modern AC motors:

  • High-Efficiency Designs: Modern AC motors are often designed with higher efficiency standards compared to older models. These motors are built using advanced materials and optimized designs to reduce energy losses, such as resistive losses in motor windings and mechanical losses due to friction and drag. High-efficiency motors can achieve energy savings by converting a higher percentage of electrical input power into useful mechanical work.
  • Premium Efficiency Standards: International standards and regulations, such as the NEMA Premium® and IE (International Efficiency) classifications, define minimum energy efficiency requirements for AC motors. Premium efficiency motors meet or exceed these standards, offering improved efficiency compared to standard motors. These motors often incorporate design enhancements, such as improved core materials, reduced winding resistance, and optimized ventilation systems, to achieve higher efficiency levels.
  • Variable Frequency Drives (VFDs): VFDs, also known as adjustable speed drives or inverters, are control devices that allow AC motors to operate at variable speeds by adjusting the frequency and voltage of the electrical power supplied to the motor. By matching the motor speed to the load requirements, VFDs can significantly reduce energy consumption. VFDs are particularly effective in applications where the motor operates at a partial load for extended periods, such as HVAC systems, pumps, and fans.
  • Efficient Motor Control Algorithms: Modern motor control algorithms, implemented in motor drives or control systems, optimize motor operation for improved energy efficiency. These algorithms dynamically adjust motor parameters, such as voltage, frequency, and current, based on load conditions, thereby minimizing energy wastage. Advanced control techniques, such as sensorless vector control or field-oriented control, enhance motor performance and efficiency by precisely regulating the motor’s magnetic field.
  • Improved Cooling and Ventilation: Effective cooling and ventilation are crucial for maintaining motor efficiency. Modern AC motors often feature enhanced cooling systems, including improved fan designs, better airflow management, and optimized ventilation paths. Efficient cooling helps prevent motor overheating and reduces losses due to heat dissipation. Some motors also incorporate thermal monitoring and protection mechanisms to avoid excessive temperatures and ensure optimal operating conditions.
  • Bearings and Friction Reduction: Friction losses in bearings and mechanical components can consume significant amounts of energy in AC motors. Modern motors employ advanced bearing technologies, such as sealed or lubrication-free bearings, to reduce friction and minimize energy losses. Additionally, optimized rotor and stator designs, along with improved manufacturing techniques, help reduce mechanical losses and enhance motor efficiency.
  • Power Factor Correction: Power factor is a measure of how effectively electrical power is being utilized. AC motors with poor power factor can contribute to increased reactive power consumption and lower overall power system efficiency. Power factor correction techniques, such as capacitor banks or power factor correction controllers, are often employed to improve power factor and minimize reactive power losses, resulting in more efficient motor operation.

By incorporating these energy-saving technologies and features, modern AC motors can achieve significant improvements in energy efficiency, leading to reduced power consumption and lower operating costs. When considering the use of AC motors, it is advisable to select models that meet or exceed recognized efficiency standards and consult manufacturers or experts to ensure the motor’s compatibility with specific applications and energy-saving requirements.

induction motor

Are there different types of AC motors, and what are their specific applications?

Yes, there are different types of AC motors, each with its own design, characteristics, and applications. The main types of AC motors include:

  1. Induction Motors: Induction motors are the most commonly used type of AC motor. They are robust, reliable, and suitable for a wide range of applications. Induction motors operate based on the principle of electromagnetic induction. They consist of a stator with stator windings and a rotor with short-circuited conductive bars or coils. The rotating magnetic field produced by the stator windings induces currents in the rotor, creating a magnetic field that interacts with the stator field and generates torque. Induction motors are widely used in industries such as manufacturing, HVAC systems, pumps, fans, compressors, and conveyor systems.
  2. Synchronous Motors: Synchronous motors are another type of AC motor commonly used in applications that require precise speed control. They operate at synchronous speed, which is determined by the frequency of the AC power supply and the number of motor poles. Synchronous motors have a rotor with electromagnets that are magnetized by direct current, allowing the rotor to lock onto the rotating magnetic field of the stator and rotate at the same speed. Synchronous motors are often used in applications such as industrial machinery, generators, compressors, and large HVAC systems.
  3. Brushless DC Motors: While the name suggests “DC,” brushless DC motors are actually driven by AC power. They utilize electronic commutation instead of mechanical brushes for switching the current in the motor windings. Brushless DC motors offer high efficiency, low maintenance, and precise control over speed and torque. They are commonly used in applications such as electric vehicles, robotics, computer disk drives, aerospace systems, and consumer electronics.
  4. Universal Motors: Universal motors are versatile motors that can operate on both AC and DC power. They are designed with a wound stator and a commutator rotor. Universal motors offer high starting torque and can achieve high speeds. They are commonly used in applications such as portable power tools, vacuum cleaners, food mixers, and small appliances.
  5. Shaded Pole Motors: Shaded pole motors are simple and inexpensive AC motors. They have a single-phase stator and a squirrel cage rotor. Shaded pole motors are characterized by low starting torque and relatively low efficiency. Due to their simple design and low cost, they are commonly used in applications such as small fans, refrigeration equipment, and appliances.

These are some of the main types of AC motors, each with its unique features and applications. The selection of an AC motor type depends on factors such as the required torque, speed control requirements, efficiency, cost, and environmental conditions. Understanding the specific characteristics and applications of each type allows for choosing the most suitable motor for a given application.

China Hot selling Yvf Yvp Frequency Variable Three Phase AC Electric Motor VFD Inverted Duty 5~100Hz Squirrel Cage Induction Motors 0.18~375kw   wholesaler China Hot selling Yvf Yvp Frequency Variable Three Phase AC Electric Motor VFD Inverted Duty 5~100Hz Squirrel Cage Induction Motors 0.18~375kw   wholesaler
editor by CX 2023-11-18