Product Description

YBBP series of explosion-proof frequency control three-phase  asynchronous motor is our company on the basis of YB3 series motors,combined with the current  state,internal and external  electromagnetic structure,technology,materials and other aspects of the new technology and new product development. It  is characterized  by the use of motor and frequency converter,can achieve a wide range of smooth stepless speed regulation,in which  the frequency  rallge of 5-50Hz for constant torque converter,50-100Hz for constant power frequency conversion,motor with axial flow fan,ensure that the cooling effect at different  speeds. to ensure motor safety,normal operation.
The rotor of the motor is made of cast aluminum. After balance verification, the motor runs smoothly, with small vibration and low noise.This series motor power rating,installation size to meet the standard of the International Electrotechnical Commission(IEC) and the corresponding relationship with Germany DIN4267 standard is the same,is conducive to supporting the export of equipment and the introduction of equipment spreparts.This series of explosion-proof frequency control three-phase asynchronous motor and frequency conversion device constitute the speed control system and other speed control mode compared with energy-saving effect is remarkable,the speed performance is good ,the speed range is wide,with low noise,vibration,can be used with all kinds of domestic and foreign inverter,help to achieve automatic control.

Frame size: 80-355mm;
Output: 0.55-315kw;
Poles: 2-4-6-8-10;
protection class: IP55/IP56/IP65/IP66
ExdI, Ex d IIA T4 Gb, Ex d IIB T4 Gb

duty: S1,
Voltage: 3 phase 220-1000V (50hz or 60hz)
5-50hz(60hz): constant torque;
>50hz(60hz): constant output;

The motor can undergo overload of 160% at rated rotor torque for 1 minute.
The motor torque appears as smooth at lower speed and the motor runs without creep.

The motor can guarantee rated rotor torque output at frequency or 5hz by voltage rising of frequency converter device and not go so far as to be burned as heating.

IC416, cast iron vessel.

Induction Electric Motors Type YBBP
Height of an axis, mm Power, kW at frequency of rotation The size of a shaft, mm at frequency of rotation The connecting sizes, mm
2р=2 2р=4 2р=6 2р=8 2p=2 others
H 3000 1500 1000 750 DxE B C A K M nxS P N
min -1 min -1 min -1 min -1
80M1 0.75 0.55 0.37 x 19×40 100 50 125 10 165 4×12 200 130
80M2 1.1 0.75 0.55 x
90S 1.5 1.1 0.75 x 24×50 100 56 140 10 165 4×12 200 130
90L 2.2 1.5 1.1 x 125
100L 3 2.2/3 1.5 1.1 28×60 140 63 160 12 215 4×14.5 250 180
112М 4 4 2.2 1.5 28×60 140 70 190 12 215 4×14.5 250 180
132S 5.5/7.5 5.5 3 2.2 38×80 140 89 216 12 265 4×14.5 300 230
132М x 7.5 4/5.5 3 178
160M 11/15 11 7.5 4/5.5 42×110 210 108 254 15 300 4×18.5 350 250
160L 18.5 15 11 7.5 254
180M 22 18.5 х х 48×110 241 121 279 15 300 4×18.5 350 250
180L х 22 15 11 279
200L 30/37 30 18.5/22 15 55×110 305 133 318 19 350 4×18.5 400 300
225S х 37 x 18.5 55×110 60×140 286 149 356 19 400 8×18.5 450 350
225М 45 45 30 22 311
250М 55 55 37 30 60×140 65×140 349 168 406 24 500 8×18.5 550 450
280S 75 75 45 37 65×140 75×140 368 190 457 24 500 8×18.5 550 450
280М 90 90 55 45 419
315S 110 110 75 55 65×140 80×170 406 216 508 28 600 8×24 660 550
315М 132 132 90 75 457
315L 160/200 160/200 110/132 90/110 508
355S 185/200 185/200 160 132 75×140 95×170 500 254 610 28 740 8×24 800 680
355M 220/250 220/250 185/200 160 560
355L 280/315 280/315 220/250 185/200 630


Application: Industrial
Speed: Variable Speed
Number of Stator: Three-Phase


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Currency: US$
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3 phase motor

How do 3-phase motors differ from single-phase motors?

3-phase motors and single-phase motors differ in several aspects, including their power supply, construction, performance characteristics, and applications. Here’s a detailed explanation of the differences between 3-phase motors and single-phase motors:

  • Power Supply: The primary difference between 3-phase motors and single-phase motors is their power supply. 3-phase motors require a three-phase power supply, which consists of three alternating current (AC) voltage waveforms that are 120 degrees out of phase with each other. In contrast, single-phase motors operate on a single-phase power supply, which consists of a single AC voltage waveform.
  • Construction: The construction of 3-phase motors and single-phase motors also differs. 3-phase motors have three sets of windings evenly spaced around the motor’s stator, whereas single-phase motors typically have only one set of windings. The multiple windings in 3-phase motors enable the creation of a rotating magnetic field, which is essential for their operation.
  • Starting Mechanism: 3-phase motors and single-phase motors have different starting mechanisms. 3-phase motors can start on their own with a simple direct-on-line (DOL) starting method, where the motor is connected directly to the power supply. In contrast, single-phase motors require additional starting mechanisms, such as capacitors or centrifugal switches, to overcome the need for a rotating magnetic field during startup.
  • Starting Torque: 3-phase motors tend to have higher starting torque compared to single-phase motors. The balanced three-phase power supply and the design of 3-phase motors allow them to produce a strong rotating magnetic field, enabling efficient starting and acceleration. Single-phase motors, on the other hand, often experience lower starting torque due to the absence of a rotating magnetic field during startup.
  • Efficiency: In terms of efficiency, 3-phase motors are generally more efficient than single-phase motors. The balanced three-phase power supply and the design of 3-phase motors result in smoother operation and reduced losses compared to single-phase motors. This higher efficiency translates to better performance and energy savings in applications where 3-phase motors are utilized.
  • Power Rating: 3-phase motors are commonly available in higher power ratings compared to single-phase motors. The ability of 3-phase motors to deliver higher power output makes them suitable for applications that require greater torque and horsepower, such as heavy-duty industrial machinery and equipment. Single-phase motors are typically used in lower power applications, such as household appliances and small tools.
  • Applications: The applications of 3-phase motors and single-phase motors also differ. 3-phase motors are widely used in industrial and commercial applications, including pumps, compressors, HVAC systems, electric vehicles, and robotics. Single-phase motors are commonly found in residential and small-scale applications, such as household appliances (e.g., refrigerators, air conditioners, and washing machines) and small tools (e.g., fans and power tools).

These are the key differences between 3-phase motors and single-phase motors. While 3-phase motors offer advantages in terms of efficiency, starting torque, and power rating, single-phase motors are suitable for smaller-scale applications and residential use. The selection of the motor type depends on the specific requirements of the application and the availability of the appropriate power supply.

3 phase motor

How do manufacturers ensure the quality and reliability of 3-phase motors?

Manufacturers employ various measures and processes to ensure the quality and reliability of 3-phase motors. Here’s a detailed explanation of the key practices manufacturers follow:

  • Design and Engineering: Manufacturers invest significant effort in the design and engineering phases of motor development. They employ experienced engineers who design the motors to meet specific performance, efficiency, and reliability requirements. Advanced computer-aided design (CAD) software and simulation tools are used to optimize motor designs and ensure compatibility with intended applications.
  • Material Selection: High-quality materials are crucial for the durability and performance of 3-phase motors. Manufacturers carefully select materials that can withstand the mechanical stresses, electrical loads, and environmental conditions the motors may encounter. This includes choosing appropriate insulation materials, conductors, bearings, and other components to ensure long-term reliability.
  • Manufacturing Processes: Stringent manufacturing processes are implemented to ensure consistent quality and reliability. Manufacturers adhere to industry standards and best practices, such as ISO 9001 certification, to maintain high manufacturing standards. Automated assembly lines, precision machining, and rigorous quality control inspections are employed to minimize variations and defects during production.
  • Testing and Quality Control: Thorough testing is performed at various stages of motor production to verify performance, electrical characteristics, and reliability. Manufacturers conduct tests such as insulation resistance testing, high-potential (hipot) testing, vibration testing, temperature rise testing, and load testing. These tests help identify any potential issues and ensure that motors meet or exceed specified standards and performance criteria.
  • Quality Assurance Systems: Manufacturers implement robust quality assurance systems to monitor and control the entire manufacturing process. This includes implementing quality management systems (QMS) and continuous improvement methodologies, such as Six Sigma or lean manufacturing, to identify areas for enhancement and minimize defects. Regular audits and inspections are conducted to ensure compliance with quality standards and customer requirements.
  • Certifications and Compliance: Reputable manufacturers ensure that their 3-phase motors comply with relevant industry standards and certifications. These can include compliance with standards such as NEMA (National Electrical Manufacturers Association) or IEC (International Electrotechnical Commission), as well as safety certifications like UL (Underwriters Laboratories) or CSA (Canadian Standards Association). Compliance with these standards ensures that the motors meet essential electrical and mechanical safety requirements.
  • Reliability Testing: Manufacturers subject 3-phase motors to extensive reliability testing to simulate real-world operating conditions and verify their performance under various stress factors. This includes testing for endurance, temperature cycling, humidity exposure, voltage fluctuations, and other environmental factors that the motors may encounter during their lifespan. Reliability testing helps identify and address any potential issues before the motors reach the market.
  • Supplier Qualification: Manufacturers carefully select and qualify their suppliers to ensure the quality and consistency of components used in the motor’s construction. Suppliers are evaluated based on their manufacturing capabilities, quality control processes, and adherence to industry standards. Regular supplier audits and performance evaluations are conducted to maintain the desired level of quality in the supply chain.
  • Customer Feedback and Warranty: Manufacturers value customer feedback and utilize it to further improve the quality and reliability of their 3-phase motors. They provide warranties and after-sales support to address any issues that may arise during the motor’s operational lifespan. By actively engaging with customers and addressing their concerns, manufacturers can continuously enhance their products and ensure customer satisfaction.

By following these practices, manufacturers strive to deliver high-quality and reliable 3-phase motors that meet the demanding requirements of various applications. These measures help ensure that the motors perform optimally, have a long lifespan, and provide reliable operation in diverse industrial and commercial settings.

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 Custom Ybbp280s-75kw 1500rpm Explosion-Proof Frequency Conversion Speed Control Three Phase AC Motor   vacuum pump oil	China Custom Ybbp280s-75kw 1500rpm Explosion-Proof Frequency Conversion Speed Control Three Phase AC Motor   vacuum pump oil
editor by CX 2023-12-07