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YEJ2 Three-Phase Induction Motor With Electromagnetic Braking

YEJ2 senes electromagnetic brake motor is a totally enclosed self-fan-cooled squirrel cage three-phase asynchronous motor. These series of motors are designed according to IEC standards, with the advantages of large starting torque, compact structure, fast braking, reliable operation, high efficiency and energy saving, low noise, and so on. in addition, the motor is designed with a manual release structure, which can be used for electromagnetic braking and manual operation, which is convenient for users to debug and u9e. YEJ2 series electromagnetic braking motor is suitable for all kinds of mechanical equipment requiring fast stops, and accurate positioning. the repeated operation, frequent start and sliding prevention, such as elevator, reducer, transportation machinery, packaging machinery food machinery, printing machinery, etc. Principle and structure: the DC disc brake of the YEJ2 series electromagnetic braking motor is installed on the non-shaft extension end of the motor. When the motor is connected to the power supply, the brake starts to work. Under the action of electromagnetic gravity, the electromagnet attracts the armature and compresses the spring, the brake disc is detached from the armature and the end cover, and the motor starts to run. When the power supply is cut off, the electromagnet of the brake loses its gravitation, and the spring pushes the armature to press the brake disc Under the action of friction, the motor stops working immediately. The brake is divided into two types: the on-brake and the off-brake. The two types of brake work well The mechanism is the same, but the braking process is the opposite. The YEJ2 series motor can be derived from the YDEJ2 series mull speed brake motor and the YVFEJ2 series variable frequency brake motor.
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Ambient Temperature: -15℃-40℃
Altitude: Up to 1000 meters
Rated Voltage: 380V, 400V, 415V
Rated Frequency: 50Hz, 60Hz
Connection: Output≤3kW, "Y" connection; Output≥4kW, “△” connection
Duty: Continuous(S1)
ingress Protection: IP55
Insulation Class: Class F
Cooling Method: IC411
Technical data—YEJ2 series motor—2 Poles—380V/50Hz
Model Rated Output Full Load Rated Torque (Tn) Stall torque  Maximum torque Stall current   Static braking torque Max. braking time at
no-load		 Brake
Power
 Speed Input  Current Efficiency Power
Factor Rated Torque Rated Torque Rated current
kW HP RPM Amp η% cosφ N.m Tst/Tn Tmax/Tn lst/In N.m S W
YEJ2-80M1-2 0.75 1 2825 1.81 75 0.84 2.54 2.2 2.3 6.5 75 0.2 50
YEJ2-80M2-2 1.1 1.5 2825 2.52 77 0.86 3.72 2.2 2.3 7 7.5 0.2 50
YE.J2-90S-2 1.5 2 2840 3.44 78 0.85 5.04 2.2 2.3 7 15 0.2 60
YFJ2-90L-2 2.2 3 2840 4.83 80.5 0.86 7.4 2.2 2.3 7 15 0.2 60
YEJ2-100L-2 3 4 2870 6.39 82 0.87 9.98 2.2 2.3 7 30 0.2 80
YEJ2-112M-2 4 5.5 2880 8.17 85.5 0.87 13.3 2.2 2.3 7 40 0.25 110
YEJ2-132S1-2 5.5 7.5 2900 11.1 85.5 0.88 18.1 2 2.3 7 75 0.25 130
YEJ2-132S2-2 7.5 10 2900 15 86.2 0.88 24.7 2 2.3 7 75 0.25 130
YEJ2-160M1-2 11 15 2930 21.8 87.2 0.88 35.9 2 2.3 7 150 0.35 150
YEJ2-160M2-2 15 20 2930 29.4 88.2 0.88 48.9 2 2.2 7 150 0.35 150
YEJ2-160L-2 18.5 25 2930 35.5 89 0.89 60.3 2 2.2 7 150 0.35 150
YEJ2-180M-2 22 30 2940 42.2 89 0.89 71.5 2 2.2 7 200 0.35 150
YEJ2-200L1-2 30 40 2950 56.9 90 0.89 97.1 2 2.2 7 300 0.45 200
YEJ2-200L2-2 37 50 2950 69.8 90.5 0.89 119,8 2 2.2 7 300 0.45 200
YEJ2-225M-2 45 60 2960 83.9 91.5 0.89 145.2 2 2.2 7 450 0.45 200
Technical data—YEJ2 series motor—4 Poles—380V/50H z
YE.J2-80M1-4 0.55 0.75 1390 1.51 73 0.76 3.78 2.4 2.3 6 7.5 0.2 50
YEJ2-80M2-4 0.75 1 1390 2.01 74.5 0.76 5.15 2.3 2.3 6 7.5 0.2 50
YEJ2-90S-4 1.1 1.5 1400 2.75 78 0.78 7.5 2.3 2.3 6.5 15 0.2 60
YEJ2-90L-4 1.5 2 1400 3.65 79 0.79 10.2 2.3 2.3 6.5 15 0.2 60
YEJ2-100L1-4 2.2 3 1420 5.03 81 0.82 14.8 2.2 2.3 7 30 0.2 80
YEJ2-100L2-4 3 4 1420 6.82 82.5 0.81 20.2 2.2 2.3 7 30 0.2 80
YEJ2-112M-4 4 5.5 1440 8.77 84.5 0.82 26.5 2.2 2.3 7 40 0.25 110
YEJ2-1328-4 5.5 7.5 1440 11.6 85,5 0.84 36,50 2.2 2.3 7 75 0.25 130
YEJ2-132M-4 7.5 10 1440 15.4 87 0.85 49.7 2.2 2.3 7 75 0.25 130
YEJ2-160M-4 11 15 1460 22.6 88 0.84 72 2.2 2.3 7 150 0.35 150
YEJ2-160L-4 15 20 1460 30,3 88,5 0.85 98,10 2.2 2.2 7 150 0.35 150
YEJ2-180M-4 18.5 25 1465 35.9 91 0.86 120.5 2 2.2 7 200 0.35 150
YEJ2-180L-4 22 30 1465 42.5 91.5 0.86 143.4 2 2.2 7 200 0.35 150
YEJJ2-200L-4 30 40 1470 56.8 92.2 0.87 194.9 2 2.2 7 300 0.45 200
YEJ2-225S-4 37 50 1475 70.4 91.8 0.87 239.6 1.9 2.2 7 450 0.45 200
YEJ2-225M-4 45 60 1475 84.2 92.3 0.88 291.4 1.9 2.2 7 450 0.45 200
Technical data—YEJ2 series motor—6 Poles—380V/50Hz
YEJ2-90S-6 0.75 1 910 2.25 72.5 0.7 7.87 2 2.2 5.5 15 0.2 60
YEJ2-90L-6 1.1 1.5 910 3.16 73.5 0.72 11.5 2 2.2 5.5 15 0.2 60
YEJ2-100L-6 1.5 2 930 3.97 77.5 0.74 15.4 2 2.2 6 30 0.2 80
YEJ2-112M-6 2.2 3 940 5.61 80.5 0.74 22.4 2 2.2 6 40 0.25 110
YEJ2-132S-6 3 4 960 7.23 83 0.76 29.8 2 2.2 6.5 75 0.25 130
YEJ2-132M1-6 4 5.5 960 9.4 84 0.77 39.8 2 2.2 6.5 75 0.25 130
YEJ2-132M2-6 5.5 7.5 960 12.6 85.3 0.78 54.7 2 2.2 6.5 75 0.25 130
YEJ2-160M-6 VE12-160L-6 7.5 10 970 17 86 0.78 73.8 2 2.2 6.5 150 0.35 150
11 15 970 24.6 87 0.78 108.3 2 2.2 6.5 150 0.35 150
YEJ2-180M-6 15 20 970 31.4 89.5 0.81 147.7 1.8 2.2 6.5 200 0.35 150
YEJ2-200L1-6 18.5 25 975 37.7 89.8 0.83 181.2 1.8 2.2 6.5 300 0.45 200
YEJ2-200L2-6 22 30 975 44.6 90.2 0.83 215.5 1.8 2.2 6.5 300 0.45 200
YEJ2-225M-6 30 40 980 59.5 90.2 0.85 292.3 1.7 2.2 6.5 450 0.45 200
Technical data—YEJ2 series motor—8 Poles—380V/50Hz
YEJ2-132S-8 2.2 3      710 5.87 80.2 0.71 29.6 2 2 5.5 75 0.25 130
YEJ2-132M-8 3 4 710 7.72 82 0.72 40.4 2 2 5.5 75 0.25 130
YEJ2-160M1-8 4 5.5 720 9.9 84 0.73 53.1 2 2 6 150 0.35 150
YEJ2-160M2-8 5.5 7.5 720 13.3 85 0.74 73 2 2 6 150 0.35 150
YEJ2-160L-8 7.5 10 720 17.7 88 0.75 99.5 2 2 5.5 150 0.35 150
YEJ2-180L-8 11 15 730 24.8 87.5 0.77 143.9 1.7 2 6 200 0.35 150
YEJ2-200L-9 15 20 730 34.1 88 0.78 196.2 1.8 2 6 300 0.45 200
YEJ2-225S-8 18.5 25 730 41.3 89.5 0.76 242 1.7 2 6 450 0.45 200
YEJ2-225-8 22 30 730 47.6 90 0.78 287.8 1.8 2 6 450 0.45 200

B3 Outline And Installation Dimensions

Model Poles Mounting Dimension
A B C D E F G H K L AB AC AD HA HD
80 2.4.6.8 125 100 50 19 40 6 15.5 80 10 306 165 175 140 10 220
90S 2.4.6.8 140 100 56 24 50 8 20 90 10 395 180 195 150 12.5 265
90L 2.4.6.8 140 125 56 24 50 8 20 90 10 425 180 195 150 12.5 265
100L 2.4.6.8 160 140 63 28 60 8 24 100 12 435 205 215 160 14 270
112M 2.4.6.8 190 140 70 28 60 8 24 112 12 475 230 240 185 14 310
132S 2.4.6.8 216 140 89 38 80 10 33 132 12 535 270 275 205 16 365
132M 2.4.6.8 216 178 89 38 80 10 33 132 12 550 270 275 205 16 365
160M 2.4.6.8 254 210 108 42 110 12 37 160 14.5 730 320 330 250 19 420
160L 2.4.6.8 254 254 108 42 110 12 37 160 14.5 760 320 330 250 19 420
180M 2.4.6.8 279 241 121 48 110 14 42.5 180 14.5 805 350 380 270 22 460
180L 2.4.6.8 279 279 121 48 110 14 42.5 180 14.5 835 350 380 270 22 460
200L 2.4.6.8 318 305 133 55 110 16 49 200 18.5 890 395 420 325 25 475
225S 4.6.8 356 286 149 60 140 18 53 225 18.5 865 436 465 335 28 560
225M 2 356 311 149 55 110 16 49 225 18.5 865 436 465 335 28 560
4.6.8 356 311 149 60 140 18 53 225 18.5 895 436 465 335 28 560
250M 24.6.8 406 349 168 60 140 18 53 250 24 9995 495 520 370 33 635
2 406 349 168 65 140 18 58 250 24 995 495 520 370 33 635
280S 4.6.8 457 368 190 65 140 18 58 280 24 1030 550 570 395 35 705
24.6.8 457 368 190 75 140 20 67.5 280 24 1030 550 570 395 35 705
280M 2 457 419 190 65 140 18 58 280 24 1080 550 570 395 35 705
4.6.8 457 419 216 75 140 20 67.5 280 24 1080 550 570 395 35 705
315S 2 508 406 216 65 140 18 58 315 28 1180 635 650 495 45 845
4.6.8 508 406 216 80 170 22 71 315 28 1290 635 650 495 45 845
315M 2 508 457 216 65 140 18 58 3185 28 1210 635 650 495 45 845
4.6.8 508 457 216 80 170 22 71 315 28 1320 635 650 495 45 845
315L 2 508 508 216 65 140 18 58 315 28 1210 635 650 495 45 845
4.6.8 508 508 254 80 170 22 71 315 28 1320 635 650 495 45 845
355M 2 610 560 254 75 140 20 67.5 355 28 1500 735 735 650 49 1000
4.6.8 610 560 254 95 170 25 86 355 28 1530 735 735 650 49 1000
355L 2 610 630 254 75 140 20 67.5 355 28 1500 735 735 650 49 1000
4.6.8 610 630 254 95 170 25 86 355 28 1630 735 735 650 49 1000

B5 Outline And Installation Dimensions

Model Poles Mounting Dimension
D E F G L M N P S T AC AD HC
80 2.4.6.8 19 40 6 15.5 301 165 130 200 12 3.5 175 140 220
90S 2.4.6.8 24 50 8 20 360 165 130 200 12 3.5 195 150 260
90L 2.4.6.8 24 50 8 20 390 165 130 200 12 3.5 195 150 260
100L 2.4.6.8 28 60 8 24 435 215 180 250 14.5 4 215 160 275
112M 2.4.6.8 28 60 8 24 480 215 180 250 14.5 4 240 185 310
132S 2.4.6.8 38 80 10 33 510 265 230 300 14.5 4 275 205 345
132M 2.4.6.8 38 80 10 33 550 265 230 300 14.5 4 275 205 345
160M 2.4.6.8 42 110 12 37 667 300 250 350 18.5 5 330 250 425
160L 2.4.6.8 42 110 12 37 689 300 250 350 18.5 5 330 250 425
180M 2.4.6.8 48 110 14 42.5 732 300 250 350 18.5 5 380 270 460
180L 2.4.6.8 48 110 14 42.5 780 300 250 350 18.5 5 380 270 460
200L 2.4.6.8 55 110 16 49 779 350 300 400 18.5 5 420 325 475
225S 4.6.8 60 140 18 53 836 400 350 450 18.5 5 465 335 560
225M 2 55 110 16 49 831 400 350 450 18.5 5 465 335 560
4.6.8 60 140 18 53 866 400 350 450 18.5 5 465 335 560
250M 24.6.8 60 140 18 53 936 500 450 550 18.5 5 520 370 620
2 65 140 18 58 942 500 450 550 18.5 5 520 370 620
280S 4.6.8 65 140 18 58 970 500 450 550 18.5 5 570 395 685
24.6.8 75 140 20 67.5 975 500 450 550 18.5 5 570 395 685
280M 2 65 140 18 58 1020 500 450 550 18.5 5 570 395 685
4.6.8 75 140 20 67.5 1015 500 450 550 18.5 5 570 395 685
315S 2 65 140 18 58 1160 600 550 660 24 6 650 495 820
4.6.8 80 170 22 71 1270 600 550 660 24 6 650 495 820
315M 2 65 140 18 58 1270 600 550 660 24 6 650 495 820
4.6.8 80 170 22 71 1207 600 550 660 24 6 650 495 820
315L 2 65 140 18 58 1317 600 550 660 24 6 650 495 820
4.6.8 80 170 22 71 1317 600 550 660 24 6 650 495 820
355M 2 75 140 20 67.5 1500 740 680 800 24 6 735 650 1000
4.6.8 95 170 25 86 1500 740 680 800 24 6 735 650 1000
355L 2 75 140 20 67.5 1630 740 680 800 24 6 735 650 1000
4.6.8 95 170 25 86 1630 740 680 800 24 6 735 650 1000

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since 2002

Taizhou Youbo Import & Export Co., Ltd.

Taizhou Youbo Import & Export Co., Ltd. (formerly known as Zhejiang Minkang Motor Co., Ltd.) is a professional manufacturer and supplier of high-efficiency asynchronous motors. The company was founded in 2002. After more than 20 years of hard work, it has become quite large. The company has excellent mechanical processing equipment, mature manufacturing technology, complete testing methods, and efficient embedding, installation, painting, and packaging. assembly line. At the same time, the company has strong technical development capabilities, a high-quality workforce and a complete quality management system to ensure that the motors manufactured by the company are reliable in quality and excellent in performance.
"Relying on a perfect quality management system, always providing products and services that satisfy customers" is the development purpose that the company has always adhered to. High-quality products bring good sales. At present, the company's products have covered 29 provinces, municipalities and autonomous regions in the country, and are exported to the European Union, Southeast Asia, South America, Africa and other countries and regions. Seeking development with scientific and technological innovation and establishing reputation with excellent quality are the unswerving pursuit goals of the company.

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After years of unremitting efforts, Youbo's R&D team has achieved a number of technical achievements, ensuring the integrity of the company's technology and product diversity, and forming a deep technical reserve.

Knowledge expansion about YEJ2 Three-Phase Induction Motor With Electromagnetic Braking

How is Electromagnetic Braking Enhancing the Safety and Efficiency of Industrial Applications Utilizing Three-Phase Induction Motors?

Mechanics of Electromagnetic Braking:

Electromagnetic braking involves the generation of a magnetic field to create a braking force that opposes the rotational motion of the motor. In the context of a three-phase induction motor, electromagnetic braking is achieved by supplying DC voltage to the motor's rotor winding through a dedicated braking circuit. This DC current generates a magnetic field that counters the rotor's rotation, causing rapid deceleration and bringing the motor to a controlled stop. The use of electromagnetic braking provides a precise and efficient means of stopping rotational motion.

Advantages for Safety and Efficiency:

The integration of electromagnetic braking with three-phase induction motors offers a range of safety and efficiency advantages. One of the key benefits is enhanced safety during sudden stops or power interruptions. Electromagnetic braking provides immediate and controlled deceleration, preventing abrupt halts that could lead to equipment damage or workplace hazards. This feature is particularly critical in applications with heavy loads or where precise stopping is required, such as cranes, elevators, and conveyor systems.

electromagnetic braking contributes to energy efficiency. The controlled deceleration reduces wear and tear on mechanical components, extending the motor's lifespan and minimizing maintenance requirements. The braking mechanism also converts kinetic energy back into electrical energy, which can be fed back into the power supply or dissipated as heat, leading to energy savings and reducing operational costs.

Applications Across Industries:

The integration of electromagnetic braking with three-phase induction motors finds application across a wide spectrum of industries. In material handling and manufacturing, these motors are used in conveyors, lifts, and hoists, where precise and rapid stopping is essential for operational safety and efficiency. In automotive manufacturing, electromagnetic braking is utilized in assembly line systems to ensure accurate positioning and controlled movement of vehicles during production. Elevators and escalators in commercial buildings also benefit from electromagnetic braking, enhancing passenger safety and ride comfort.

Challenges and Considerations:

While electromagnetic braking offers significant advantages, there are certain challenges and considerations to address. Proper design and engineering are crucial to ensure seamless integration of the braking system with the motor, taking into account factors such as voltage compatibility, heat dissipation, and control algorithms. Additionally, the maintenance and troubleshooting of electromagnetic braking systems may require specialized knowledge and equipment, potentially impacting downtime and operational costs.

Future Trends and Innovations:

As industries continue to prioritize safety, efficiency, and sustainability, the integration of electromagnetic braking with three-phase induction motors is likely to witness further innovation. Advances in control systems, such as the incorporation of smart sensors and real-time monitoring, could enhance braking precision and reduce maintenance requirements. Moreover, the development of regenerative braking systems that capture and store the generated electrical energy for reuse could lead to even greater energy savings and operational efficiency.

How does the integration of Three-Phase Induction Motors with Electromagnetic Braking enhance safety and efficiency in industrial machinery and transportation systems?

Understanding Three-Phase Induction Motors with Electromagnetic Braking:

The Three-Phase Induction Motor, a stalwart of electric motor technology, is renowned for its simplicity, reliability, and ruggedness. It operates on the principle of electromagnetic induction, where rotating magnetic fields induce currents in conductive rotor bars, propelling the rotor to turn. Complementing this motor design is the concept of Electromagnetic Braking. This technology employs electromagnetic forces to provide controlled deceleration and halting of rotating components, eliminating the need for traditional mechanical braking systems.

Key Advantages:

Enhanced Safety: The integration of Electromagnetic Braking with Three-Phase Induction Motors introduces a heightened level of safety. Traditional braking methods often involve wear-and-tear components prone to failure, whereas electromagnetic braking offers precise and consistent deceleration without physical contact, reducing maintenance and minimizing the risk of sudden stops.

Efficiency: By harnessing electromagnetic forces for braking, the efficiency of the overall system is improved. The kinetic energy of rotating components is efficiently converted into electrical energy, which can be redirected back into the system or dissipated as heat.

Smooth Deceleration: Electromagnetic braking provides smooth and controlled deceleration, preventing abrupt stops that could potentially damage delicate machinery or cargo in transportation systems.

Reduced Maintenance: Conventional braking mechanisms involve mechanical parts that wear down over time, necessitating frequent maintenance. Electromagnetic braking systems have fewer moving parts, leading to reduced maintenance requirements and prolonged operational lifetimes.

Regenerative Braking: In certain applications, such as electric vehicles and industrial cranes, the regenerative capabilities of electromagnetic braking can be harnessed to convert kinetic energy back into electrical energy, thereby improving overall system efficiency and reducing energy consumption.

Applications Across Industries:

Electric Vehicles (EVs): The combination of Three-Phase Induction Motors with Electromagnetic Braking is particularly relevant in the realm of electric mobility. This technology facilitates efficient and controlled deceleration in EVs, extending battery life, and enhancing safety for passengers and pedestrians.

Industrial Machinery: In industrial settings, this integration finds application in conveyor systems, cranes, and heavy machinery, where controlled deceleration and safety are paramount.

Public Transportation: In trains and trams, electromagnetic braking systems contribute to smoother stops, reducing wear on tracks and providing a more comfortable experience for passengers.

Wind Turbines: The technology can also be applied to wind turbines, enabling efficient braking and controlled shutdowns during maintenance or emergencies.

Challenges and Future Prospects:

While the integration of Three-Phase Induction Motors with Electromagnetic Braking offers numerous benefits, challenges such as heat dissipation, precise control algorithms, and compatibility with existing systems remain areas of focus for ongoing research and development.

The future holds promising potential for further refinement and expansion of this technology. Advancements in materials science, sensor technologies, and control algorithms are likely to address current challenges and unlock new applications across industries.