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Product Description

Product Description

 

YE4 Series Super Efficiency Three Phase Asynchronous Motors

Continuous Duty S1 Electric AC Motor

The YE4 Three-phase Electric Motor, designed by Longran Electromechanical (ZHangZhoug) Co., Ltd., is crafted with high-quality materials and adheres to IEC standards. This motor offers exceptional performance, safety, and reliability, along with a sleek appearance. It is easy to maintain, operates quietly with minimal vibration, and boasts a lightweight and simple construction, making it ideal for general drive applications.

 

High Efficiency (IE4-Cast-iron motor) 50HzTECHNICAL DATA
Type Rated
Output
Rated
Speed
rpm
Efficiency
η%
(IE4)
Efficiency
at 75%
load
Efficiency
at 50%
load
Power
factor
cosφ
Rated current
A
Rated
Torque
Nm
 
Locked rotor torque/rated torque

Ts/Tn

Maximum torque/rated torque

Tmax/Tn

Locked rotor current/rated current

ls/In

Weight

kg

kW HP 380 400 415
YE4-632-6 0.12 0.18 860 64.9 64.9 63.6 0.60 0.47 0.44 0.43 1.33 1.8 1.9 3.5 12.3
YE4-711-6 0.18 0.25 860 70.1 70.1 68.7 0.66 0.59 0.56 0.54 2.00 1.9 2.0 4.0 13.3
YE4-712-6 0.25 0.37 860 74.1 74.1 72.6 0.68 0.75 0.72 0.69 2.78 1.9 2.0 4.0 13.8
YE4-801-6 0.37 0.5 895 78.0 78.0 76.4 0.70 1.03 0.98 0.94 3.95 1.9 2.0 4.7 18.2
YE4-802-6 0.55 0.75 895 80.9 80.9 79.3 0.72 1.43 1.36 1.31 5.87 1.9 2.1 4.7 20
YE4-90S-6 0.75 1 950 82.7 82.7 81.0 0.71 1.94 1.84 1.78 7.54 2.0 2.1 6.0 28
YE4-90L-6 1.1 1.5 955 84.5 84.5 82.8 0.73 2.71 2.57 2.48 11.0 2.0 2.1 6.0 32
YE4-100L-6 1.5 2 960 85.9 85.9 84.2 0.73 3.63 3.45 3.33 14.9 2.0 2.1 6.5 40
YE4-112M-6 2.2 3 965 87.4 87.4 85.7 0.74 5.17 4.91 4.73 21.8 2.0 2.1 6.6 56
YE4-132S-6 3 4 970 88.6 88.6 86.8 0.74 6.95 6.60 6.37 29.5 2.0 2.1 6.8 78
YE4-132M1-6 4 5.5 975 89.5 89.5 87.7 0.74 9.18 8.72 8.40 39.2 2.0 2.1 6.8 89
YE4-132M2-6 5.5 7.5 975 90.5 90.5 88.7 0.75 12.3 11.7 11.3 53.9 2.0 2.1 7.0 102
YE4-160M-6 7.5 10 980 91.3 91.3 89.5 0.79 15.8 15.0 14.5 73.1 2.0 2.1 7.0 140
YE4-160L-6 11 15 980 92.3 92.3 90.5 0.80 22.6 21.5 20.7 107.2 2.0 2.1 7.2 160
YE4-180L-6 15 20 985 92.9 92.9 91.0 0.81 30.3 28.8 27.7 145.4 2.0 2.1 7.3 245
YE4-200L1-6 18.5 25 985 93.4 93.4 91.5 0.81 37.2 35.3 34.0 179.4 2.0 2.1 7.3 265
YE4-200L2-6 22 30 985 93.7 93.7 91.8 0.81 44.0 41.8 40.3 213.3 2.0 2.1 7.4 285
YE4-225M-6 30 40 990 94.2 94.2 92.3 0.83 58.3 55.4 53.4 289.4 2.0 2.1 6.9 335
YE4-250M-6 37 50 990 94.5 94.5 92.6 0.84 70.8 67.3 64.8 356.9 2.0 2.1 7.1 471
YE4-280S-6 45 60 990 94.8 94.8 92.9 0.85 84.8 80.6 77.7 434.1 2.0 2.0 7.3 530
YE4-280M-6 55 75 990 95.1 95.1 93.2 0.86 102 97.1 93.6 530.6 2.0 2.0 7.3 670
YE4-315S-6 75 100 990 95.4 95.4 93.5 0.84 142 135 130 723.5 2.0 2.0 6.6 960
YE4-315M-6 90 125 990 95.6 95.6 93.7 0.85 168 160 154 868.2 2.0 2.0 6.7 1070
YE4-315L1-6 110 150 990 95.8 95.8 93.9 0.85 205 195 188 1061 2.0 2.0 6.7 1160
YE4-315L2-6 132 180 990 96.0 96.0 94.1 0.86 243 231 222 1273 2.0 2.0 6.8 1250
YE4-355M1-6 160 200 990 96.2 96.2 94.3 0.86 294 279 269 1543 1.8 2.0 6.8 1780
YE4-355M2-6 200 270 990 96.3 96.3 94.4 0.87 363 345 332 1929 1.8 2.0 6.8 1900
YE4-355L-6 250 340 990 96.5 96.5 94.6 0.87 452 430 414 2412 1.8 2.0 6.8 2100

High Efficiency(IE4-Cast-iron motor) 50HzTECHNICAL DATA
Type Rated
Output
 
Rated
Speed
rpm
 
Efficiency
η%
(IE4)
 
Efficiency
at 75%
load
 
Efficiency
at 50%
load
 
Power
factor
cosφ
 
Rated current
A
Rated
Torque
Nm
 
Locked rotor torque/rated torque
Ts/Tn
Maximum torque/rated torque
Tmax/Tn
Locked rotor current/rated current
Is/In
Weight
kg
kW HP 380 400 415
YE4-712-8 0.12 0.18 610 62.3 62.3 61.1 0.57 0.51 0.49 0.47 1.88 1.8 1.9 2.8 13
YE4-801-8 0.18 0.25 655 67.2 67.2 65.9 0.61 0.67 0.63 0.61 2.62 1.8 1.9 3.3 17.4
YE4-802-8 0.25 0.37 655 70.8 70.8 69.4 0.61 0.88 0.84 0.81 3.65 1.8 1.9 3.3 20
YE4-90S-8 0.37 0.5 680 74.3 74.3 72.8 0.61 1.24 1.18 1.14 5.20 1.8 1.9 4.0 34
YE4-90L-8 0.55 0.75 680 77.0 77.0 75.5 0.61 1.78 1.69 1.63 7.72 1.8 2.0 4.0 35.5
YE4-100L1-8 0.75 1 700 78.4 78.4 76.8 0.67 2.17 2.06 1.99 10.2 1.8 2.0 4.0 40
YE4-100L2-8 1.1 1.5 700 80.8 80.8 79.2 0.69 3.00 2.85 2.74 15.0 1.8 2.0 5.0 45
YE4-112M-8 1.5 2 710 82.6 82.6 80.9 0.70 3.94 3.74 3.61 20.2 1.8 2.0 5.0 50
YE4-132S-8 2.2 3 720 84.5 84.5 82.8 0.71 5.57 5.29 5.10 29.2 1.8 2.0 6.0 78
YE4-132M-8 3 4 720 85.9 85.9 84.2 0.73 7.27 6.91 6.66 39.8 1.8 2.0 6.0 88
YE4-160M1-8 4 5.5 730 87.1 87.1 85.4 0.73 9.56 9.08 8.75 52.3 1.9 2.0 6.0 138
YE4-160M2-8 5.5 7.5 730 88.3 88.3 86.5 0.74 12.8 12.1 11.7 72.0 1.9 2.0 6.0 150
YE4-160L-8 7.5 10 730 89.3 89.3 87.5 0.75 17.0 16.2 15.6 98.1 1.9 2.0 6.0 170
YE4-180L-8 11 15 735 90.4 90.4 88.6 0.75 24.7 23.4 22.6 142.9 2.0 2.0 6.5 230
YE4-200L-8 15 20 735 91.2 91.2 89.4 0.76 32.9 31.2 30.1 194.9 2.0 2.0 6.6 280
YE4-225S-8 18.5 25 735 91.7 91.7 89.9 0.76 40.3 38.2 36.9 240.4 1.9 2.0 6.6 302
YE4-225M-8 22 30 735 92.1 92.1 90.3 0.78 46.5 44.2 42.6 285.9 1.9 2.0 6.6 335
YE4-250M-8 30 40 735 92.7 92.7 90.8 0.79 62.2 59.1 57.0 389.8 1.9 2.0 6.5 400
YE4-280S-8 37 50 740 93.1 93.1 91.2 0.79 76.4 72.6 70.0 477.5 1.9 2.0 6.6 520
YE4-280M-8 45 60 740 93.4 93.4 91.5 0.79 92.7 88.0 84.8 580.7 1.9 2.0 6.6 600
YE4-315S-8 55 75 740 93.7 93.7 91.8 0.81 110 105 101 709.8 1.8 2.0 6.6 1571
YE4-315M-8 75 100 740 94.2 94.2 92.3 0.81 149 142 137 967.9 1.8 2.0 6.2 1140
YE4-315L1-8 90 125 740 94.4 94.4 92.5 0.82 177 168 162 1161 1.8 2.0 6.4 1175
YE4-315L2-8 110 150 740 94.7 94.7 92.8 0.82 215 204 197 1420 1.8 2.0 6.4 1210
YE4-355M1-8 132 180 740 94.9 94.9 93.0 0.82 258 245 236 1704 1.8 2.0 6.4 2050
YE4-355M2-8 160 220 740 95.1 95.1 93.2 0.82 312 296 285 2065 1.8 2.0 6.4 2200
YE4-355L-8 200 270 740 95.4 95.4 93.5 0.83 384 365 351 2581 1.8 2.0 6.4 2300

High Efficiency (IE4-Cast-iron motor) 50HzTECHNICAL DATA
Type Rated
Output
Rated
Speed
Rpm

 

Efficiency
η%
(IE4)

 

Efficiency
at 75%
Load

 

Efficiency
at 50%
Load
 
Power
factor
Cosφ

 

Rated current
A
Rated
Torque
Nm

 

Locked rotor torque/rated torque
Ts/Tn
Maximum torque/rated torque
Tmax/Tn
Locked rotor current/rated current
Is/In
Weight
Kg

 

kW HP 380 400 415
YE4-631-2 0.18 0.25 2745 70.8 70.8 69.4 0.80 0.48 0.46 0.44 0.63 2.2 2.2 5.5 11.3
YE4-632-2 0.25 0.37 2745 74.3 74.3 72.8 0.81 0.63 0.60 0.58 0.87 2.2 2.2 5.5 11.8
YE4-711-2 0.37 0.5 2765 78.1 78.1 76.5 0.81 0.89 0.84 0.81 1.28 2.2 2.2 6.1 13.2
YE4-712-2 0.55 0.75 2765 81.5 81.5 79.9 0.82 1.25 1.19 1.14 1.90 2.3 2.3 6.1 14.5
YE4-801-2 0.75 1 2910 83.5 83.5 81.8 0.82 1.66 1.58 1.52 2.46 2.3 2.3 7.0 20
YE4-802-2 1.1 1.5 2920 85.2 85.2 83.5 0.83 2.36 2.25 2.16 3.60 2.2 2.3 7.3 21
YE4-90S-2 1.5 2 2930 86.5 86.5 84.8 0.84 3.14 2.98 2.87 4.89 2.2 2.3 7.6 24
YE4-90L-2 2.2 3 2930 88.0 88.0 86.2 0.85 4.47 4.25 4.09 7.17 2.2 2.3 7.6 29
YE4-100L-2 3 4 2935 89.1 89.1 87.3 0.87 5.88 5.59 5.38 9.76 2.2 2.3 7.8 37
YE4-112M-2 4 5.5 2940 90.0 90.0 88.2 0.88 7.67 7.29 7.03 13.0 2.2 2.3 8.3 48
YE4-132S1-2 5.5 7.5 2945 90.9 90.9 89.1 0.88 10.4 9.9 9.57 17.8 2.0 2.3 8.3 76
YE4-132S2-2 7.5 10 2950 91.7 91.7 89.9 0.88 14.1 13.4 12.9 24.3 2.0 2.3 7.9 85
YE4-160M1-2 11 15 2960 92.6 92.6 90.7 0.89 20.3 19.3 18.6 35.5 2.0 2.3 8.1 133
YE4-160M2-2 15 20 2960 93.3 93.3 91.4 0.89 27.4 26.1 25.1 48.4 2.0 2.3 8.1 146
YE4-160L-2 18.5 25 2960 93.7 93.7 91.8 0.89 33.7 32.0 30.9 59.7 2.0 2.3 8.2 160
YE4-180M-2 22 30 2965 94.0 94.0 92.1 0.89 40.0 38.0 36.6 70.9 2.0 2.3 8.2 221
YE4-200L1-2 30 40 2970 94.5 94.5 92.6 0.89 54.2 51.5 49.6 96.5 2.0 2.3 7.6 260
YE4-200L2-2 37 50 2970 94.8 94.8 92.9 0.89 66.6 63.3 61.0 119.0 2.0 2.3 7.6 309
YE4-225M-2 45 60 2975 95.0 95.0 93.1 0.90 80.0 76.0 73.2 144.5 2.0 2.3 7.7 370
YE4-250M-2 55 75 2975 95.3 95.3 93.4 0.90 97.4 92.6 89.2 176.6 2.0 2.3 7.7 520
YE4-280S-2 75 100 2980 95.6 95.6 93.7 0.90 132 126 121 240.4 1.8 2.3 7.1 570
YE4-280M-2 90 125 2982 95.8 95.8 93.9 0.90 159 151 145 288.2 1.8 2.3 7.1 630
YE4-315S-2 110 150 2980 96.0 96.0 94.1 0.90 193 184 177 352.5 1.8 2.3 7.1 985
YE4-315M-2 132 180 2980 96.2 96.2 94.3 0.90 232 220 212 423.0 1.8 2.3 7.1 1050
YE4-315L1-2 160 200 2980 96.3 96.3 94.4 0.91 277 264 254 512.8 1.8 2.3 7.2 1160
YE4-315L2-2 200 270 2980 96.5 96.5 94.6 0.91 346 329 317 640.9 1.8 2.2 7.2 1200
YE4-355M-2 250 340 2985 96.5 96.5 94.6 0.91 433 411 396 799.8 1.6 2.2 7.2 2050
YE4-355L-2 315 430 2982 96.5 96.5 94.6 0.91 545 518 499 1009 1.6 2.2 7.2 2380

High Efficiency (IE4-Cast-iron motor) 50HzTECHNICAL DATA
Type Rated
Output
Rated
Speed
rpm
Efficiency
η%
(IE4)
 
Efficiency
at 75%
Load

 

Efficiency
at 50%
Load
 
Power
factor
Cosφ

 

Rated current
A
Rated
Torque
Nm
Locked rotor torque/rated torque
Ts/Tn
Maximum torque/rated torque
Tmax/Tn
Locked rotor current/rated current
ls/In
Weight
kg
kW HP 380 400 415
YE4-631-4 0.12 0.18 1340 69.8 69.8 68.4 0.72 0.36 0.34 0.33 0.86 2.1 2.2 4.4 11.8
YE4-632-4 0.18 0.25 1340 74.7 74.7 73.2 0.73 0.50 0.48 0.46 1.28 2.1 2.2 4.4 12.6
YE4-711-4 0.25 0.37 1355 77.9 77.9 76.3 0.74 0.66 0.63 0.6 1.76 2.1 2.2 5.2 18
YE4-712-4 0.37 0.5 1355 81.1 81.1 79.5 0.75 0.92 0.88 0.85 2.61 2.1 2.2 5.2 19.5
YE4-801-4 0.55 0.75 1420 83.9 83.9 82.2 0.75 1.33 1.26 1.22 3.70 2.4 2.3 5.2 21
YE4-802-4 0.75 1 1430 85.7 85.7 84.0 0.75 1.77 1.68 1.62 5.01 2.3 2.3 6.6 24
YE4-90S-4 1.1 1.5 1445 87.2 87.2 85.5 0.76 2.52 2.40 2.31 7.27 2.3 2.3 6.8 30
YE4-90L-4 1.5 2 1450 88.2 88.2 86.4 0.77 3.36 3.19 3.07 9.88 2.3 2.3 7.0 34
YE4-100L1-4 2.2 3 1455 89.5 89.5 87.7 0.81 4.61 4.38 4.22 14.4 2.3 2.3 7.6 47
YE4-100L2-4 3 4 1455 90.4 90.4 88.6 0.82 6.15 5.84 5.63 19.7 2.3 2.3 7.6 53
YE4-112M-4 4 5.5 1460 91.1 91.1 89.3 0.82 8.14 7.73 7.45 26.2 2.2 2.3 7.8 60
YE4-132S-4 5.5 7.5 1470 91.9 91.9 90.1 0.83 11.0 10.4 10.0 35.7 2.0 2.3 7.9 85
YE4-132M-4 7.5 10 1470 92.6 92.6 90.7 0.84 14.6 13.9 13.4 48.7 2.0 2.3 7.5 96
YE4-160M-4 11 15 1475 93.3 93.3 91.4 0.85 21.1 20.0 19.3 71.2 2.2 2.3 7.7 146
YE4-160L-4 15 20 1475 93.9 93.9 92.0 0.86 28.2 26.8 25.8 97.1 2.2 2.3 7.8 156
YE4-180M-4 18.5 25 1480 94.2 94.2 92.3 0.86 34.7 33.0 31.8 119.4 2.0 2.3 7.8 181
YE4-180L-4 22 30 1480 94.5 94.5 92.6 0.86 41.1 39.1 37.7 142.0 2.0 2.3 7.8 209
YE4-200L-4 30 40 1480 94.9 94.9 93.0 0.86 55.8 53.1 51.1 193.6 2.0 2.3 7.3 280
YE4-225S-4 37 50 1485 95.2 95.2 93.3 0.86 68.7 65.2 62.9 237.9 2.0 2.3 7.4 373
YE4-225M-4 45 60 1485 95.4 95.4 93.5 0.86 83.3 79.2 76.3 289.4 2.0 2.3 7.4 390
YE4-250M-4 55 75 1485 95.7 95.7 93.8 0.86 102 96.5 93.0 353.7 2.2 2.3 7.4 553
YE4-280S-4 75 100 1490 96.0 96.0 94.1 0.88 135 128 124 480.7 2.0 2.3 6.9 655
YE4-280M-4 90 125 1490 96.1 96.1 94.2 0.88 162 154 148 576.8 2.0 2.3 6.9 730
YE4-315S-4 110 150 1490 96.3 96.3 94.4 0.89 195 185 179 705.0 2.0 2.2 7.0 980
YE4-315M-4 132 180 1490 96.4 96.4 94.5 0.89 234 222 214 846.0 2.0 2.2 7.0 1031
YE4-315L1-4 160 200 1490 96.6 96.6 94.7 0.89 283 269 259 1026 2.0 2.2 7.1 1093
YE4-315L2-4 200 270 1490 96.7 96.7 94.8 0.90 349 332 320 1282 2.0 2.2 7.1 1190
YE4-355M-4 250 340 1490 96.7 96.7 94.8 0.90 436 415 400 1602 2.0 2.2 7.1 1754
YE4-355L-4 315 430 1490 96.7 96.7 94.8 0.90 550 522 504 2019 2.0 2.2 7.1 1960

 

Detailed Photos

more products

 

Longran Electromechanical (ZHangZhoug) Co., Ltd.

Longran Electromechanical specializes in the production of a wide range of AC and DC motors. Our main products include:

  • YE5 series high-efficiency three-phase asynchronous motors
  • YE4 series high-efficiency three-phase asynchronous motors
  • YL, ML series double-value capacitor motors
  • YC series capacitor starter motors
  • YY, MY series capacitor running motors
  • JY series motors
  • YS, MS series small power motors

We also offer JY, JW, JZ series, YEJ electromagnetic brake series, YVP, Y2VP, MLVP frequency conversion speed regulation series, DC brushless series, DC high-pressure cleaning series, vehicle motor series, and more. Our products are designed and manufactured by a team of experienced engineers and technical personnel, ensuring high quality and performance.

Longran’s main products are certified with CE and comply with the New National Standard GB/T28575-2012. Some of our key products include:

  • YE4 Super High Efficiency Secondary Energy Efficiency Motor
  • YE3 Super High Efficiency Energy Saving Series Three-phase Asynchronous Motor
  • YVF2 Frequency conversion series three-phase asynchronous motor
  • YD2 series two-speed multi-speed three-phase asynchronous motor
  • YEJ2 series electromagnetic brake three-phase asynchronous motor

Our motors are widely used in various industries and are known for their reliability and efficiency. We offer customized solutions to meet specific power requirements and provide motors with different frequencies and pressures. With protection grades including IP55, IP66, and more, Longran Electromechanical is your trusted partner for high-quality motors.

Certifications

Our Advantages

 

Company Profile

 

Longran Electromechanical (ZHangZhoug) Co., Ltd.

1. Customized Service: We offer customized services based on customer drawings, including using customer nameplates for electric motors.

2. Payment Terms: 30% deposit before production, balance payment via T/T before delivery.

3. Manufacturer: We are a manufacturer equipped with advanced machinery and skilled workers.

4. Production Capacity: 4000-5000 PCS per month.

5. Free Samples: Free samples are available, with customers only needing to cover the courier costs.

6. Certifications: We hold CE and TUV certificates for our products.

FAQ

 

1,Q: Can you make as per customer drawing?
A: Yes, we offer customized service for customers accordingly. We can use customer’s nameplate for the electric molors.

2. Q: What is your terms of payment ?
A: 30% deposit before production,balance T/T before delivery.

3. Q: Are you a trading company or manufacturer?
A.We are a manufacurer with advanced equ pment and experienced workers.

4. Q: What’s your production capacity?
A:4000-5000 PCS/MONTH.

5. Q: Free sample Is available or not?
A:Yes, we can supply free sample if customer agree to pay for the courier cost.

6. Q: Do you have any certiflcate?
A:Yes, we have CE certificate and TUV certificate report.

Customized Electric Motors

Customized Electric Motors
At Longran Electromechanical, we offer customized electric motors tailored to meet our customers’ specific requirements. Our advanced equipment and experienced workers ensure high-quality products that exceed expectations.

Product Features:
Customization according to customer drawings
30% deposit before production, balance payment via T/T before delivery
Manufactured with CE and TUV certificates
Production capacity of 4000-5000 PCS per month
Free samples available with customer covering courier costs
Benefits:
Highly customizable to meet specific needs
Quality assurance with certifications
Efficient production capacity for timely deliveries
Cost-effective with free sample option
Contact us today to learn more about our customized electric motors and how we can meet your unique requirements.

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Application: Industrial, Universal, Household Appliances, Power Tools, Car
Operating Speed: Constant Speed
Number of Stator: Three-Phase
Species: Ye4
Rotor Structure: Winding Type
Casing Protection: Closed Type
Samples:
US$ 50/Piece
1 Piece(Min.Order)

|

Customization:
Available

|

induction motor

Can AC motors be used in both residential and commercial settings?

Yes, AC motors can be used in both residential and commercial settings. The versatility and wide range of applications of AC motors make them suitable for various environments and purposes.

In residential settings, AC motors are commonly found in household appliances such as refrigerators, air conditioners, washing machines, fans, and pumps. These motors are designed to meet the specific requirements of residential applications, providing reliable and efficient operation for everyday tasks. For example, air conditioners utilize AC motors to drive the compressor and fan, while washing machines use AC motors for agitating and spinning the drum.

In commercial settings, AC motors are extensively used in a wide range of applications across different industries. They power machinery, equipment, and systems that are crucial for commercial operations. Some common examples include:

  • Industrial machinery and manufacturing equipment: AC motors drive conveyor belts, pumps, compressors, mixers, fans, blowers, and other machinery used in manufacturing, production, and processing facilities.
  • HVAC systems: AC motors are used in commercial heating, ventilation, and air conditioning (HVAC) systems to drive fans, blowers, and pumps for air circulation, cooling, and heating.
  • Commercial refrigeration: AC motors are utilized in commercial refrigeration systems for powering compressors, condenser fans, and evaporator fans in supermarkets, restaurants, and cold storage facilities.
  • Office equipment: AC motors are present in various office equipment such as printers, photocopiers, scanners, and ventilation systems, ensuring their proper functioning.
  • Transportation: AC motors are used in electric vehicles, trams, trains, and other forms of electric transportation systems, providing the necessary propulsion.
  • Water and wastewater treatment: AC motors power pumps, mixers, and blowers in water treatment plants, wastewater treatment plants, and pumping stations.

The adaptability, efficiency, and controllability of AC motors make them suitable for a wide range of residential and commercial applications. Whether it’s powering household appliances or driving industrial machinery, AC motors play a vital role in meeting the diverse needs of both residential and commercial settings.

induction motor

Can you explain the difference between single-phase and three-phase AC motors?

In the realm of AC motors, there are two primary types: single-phase and three-phase motors. These motors differ in their construction, operation, and applications. Let’s explore the differences between single-phase and three-phase AC motors:

  • Number of Power Phases: The fundamental distinction between single-phase and three-phase motors lies in the number of power phases they require. Single-phase motors operate using a single alternating current (AC) power phase, while three-phase motors require three distinct AC power phases, typically referred to as phase A, phase B, and phase C.
  • Power Supply: Single-phase motors are commonly connected to standard residential or commercial single-phase power supplies. These power supplies deliver a voltage with a sinusoidal waveform, oscillating between positive and negative cycles. In contrast, three-phase motors require a dedicated three-phase power supply, typically found in industrial or commercial settings. Three-phase power supplies deliver three separate sinusoidal waveforms with a specific phase shift between them, resulting in a more balanced and efficient power delivery system.
  • Starting Mechanism: Single-phase motors often rely on auxiliary components, such as capacitors or starting windings, to initiate rotation. These components help create a rotating magnetic field necessary for motor startup. Once the motor reaches a certain speed, these auxiliary components may be disconnected or deactivated. Three-phase motors, on the other hand, typically do not require additional starting mechanisms. The three-phase power supply inherently generates a rotating magnetic field, enabling self-starting capability.
  • Power and Torque Output: Three-phase motors generally offer higher power and torque output compared to single-phase motors. The balanced nature of three-phase power supply allows for a more efficient distribution of power across the motor windings, resulting in increased performance capabilities. Three-phase motors are commonly used in applications requiring high power demands, such as industrial machinery, pumps, compressors, and heavy-duty equipment. Single-phase motors, with their lower power output, are often used in residential appliances, small commercial applications, and light-duty machinery.
  • Efficiency and Smoothness of Operation: Three-phase motors typically exhibit higher efficiency and smoother operation than single-phase motors. The balanced three-phase power supply helps reduce electrical losses and provides a more constant and uniform torque output. This results in improved motor efficiency, reduced vibration, and smoother rotation. Single-phase motors, due to their unbalanced power supply, may experience more pronounced torque variations and slightly lower efficiency.
  • Application Suitability: The choice between single-phase and three-phase motors depends on the specific application requirements. Single-phase motors are suitable for powering smaller appliances, such as fans, pumps, household appliances, and small tools. They are commonly used in residential settings where single-phase power is readily available. Three-phase motors are well-suited for industrial and commercial applications that demand higher power levels and continuous operation, including large machinery, conveyors, elevators, air conditioning systems, and industrial pumps.

It’s important to note that while single-phase and three-phase motors have distinct characteristics, there are also hybrid motor designs, such as dual-voltage motors or capacitor-start induction-run (CSIR) motors, which aim to bridge the gap between the two types and offer flexibility in certain applications.

When selecting an AC motor, it is crucial to consider the specific power requirements, available power supply, and intended application to determine whether a single-phase or three-phase motor is most suitable for the task at hand.

induction motor

Can you explain the basic working principle of an AC motor?

An AC motor operates based on the principles of electromagnetic induction. It converts electrical energy into mechanical energy through the interaction of magnetic fields. The basic working principle of an AC motor involves the following steps:

  1. The AC motor consists of two main components: the stator and the rotor. The stator is the stationary part of the motor and contains the stator windings. The rotor is the rotating part of the motor and is connected to a shaft.
  2. When an alternating current (AC) is supplied to the stator windings, it creates a changing magnetic field.
  3. The changing magnetic field induces a voltage in the rotor windings, which are either short-circuited conductive bars or coils.
  4. The induced voltage in the rotor windings creates a magnetic field in the rotor.
  5. The magnetic field of the rotor interacts with the rotating magnetic field of the stator, resulting in a torque force.
  6. The torque force causes the rotor to rotate, transferring mechanical energy to the connected shaft.
  7. The rotation of the rotor continues as long as the AC power supply is provided to the stator windings.

This basic working principle is applicable to various types of AC motors, including induction motors and synchronous motors. However, the specific construction and design of the motor may vary depending on the type and intended application.

China Hot selling High Precision Industrial Asynchronous AC Motor   with high quality China Hot selling High Precision Industrial Asynchronous AC Motor   with high quality
editor by CX 2024-05-16

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