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The Y2 series 3hp three phase motor is an updated product of the Y series motor and is a general-purpose fully enclosed self-fan-cooled squirrel-cage three-phase asynchronous motor. It is the latest product in my country in the 1990s, and its overall level has reached the level of similar foreign products in the early 1990s. The product is used in various fields of the national economy, such as machine tools, water pumps, fans, compressors, and can also be used in transportation, mixing, printing, agricultural machinery, food and other occasions that do not contain flammable, explosive or corrosive gases.
Product Detail
Motor Type: 3 hp motor 1440 rpm and 3 hp motor 960 rpm
Output Power: 0.18 kW - 315 kW
Frame Size: IEC 63 - 355
Number of Poles: 2, 4, 6, 8
Rated Voltage: 380V (can be adjusted according to customers)
Frequency: 50 or 60 Hz
Protection Level: IP54 or IP55
Energy Efficiency Index: IE1 / IE2 / IE3
Insulation Class: B or F
Cooling Method: ICO141
Wiring Connection: Y connection below 3kW, △ connection above 4kW
Working Mode: Continuous (S1)
Product Parameter (specification)
960 rpm 3 phase motor
Type | Power HP | Full Load | Rated Torque Tn(N*m) | Ist/In | Tst/Tn | Tmax/Tn | |||
Current (A) | Speed(r/min) | Eff(%) | Power Factor | ||||||
3000rpm.2 poles | |||||||||
YE2-90L-2 | 3 | 4.7 | 2840 | 83.2 | 0.85 | 7.4 | 6 | 2.2 | 2.4 |
1500rpm.4 poles. | |||||||||
YE2-100L1-4 | 3 | 4.9 | 1420 | 84.3 | 0.81 | 14.8 | 7 | 2.2 | 2.3 |
1000rpm.6 poles | |||||||||
YE2-112M-6 | 3 | 5.4 | 940 | 81.8 | 0.76 | 22.35 | 6.5 | 2 | 2.1 |
Production Features
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Motor knowledge
Liyuan Motor Air Cooling System
The air-cooled motor has a simple structure and low cost; its disadvantage is that the cooling effect of air is poor, and the friction loss caused by the high-speed motor is relatively large. There are many structural types of ventilation systems using air cooling, and the basic characteristics are explained from the following aspects:
Open-circuit cooling (or free circulation) or closed-circuit cooling (or closed circulation)
For the open-circuit cooling constant force motor, the cooling air is drawn from around the motor, and after passing through the constant force motor, it returns to the surrounding environment. In a closed-circuit cooling motor, the primary cooling medium passes through the motor and circulates along the closed circuit; the heat in the primary cooling medium is transferred to the second cooling medium through the structural member or the cooler.
Radial, axial and mixed ventilation system
According to the direction of cooling air flow in the motor, the air cooling system can be divided into three types: radial, axial and mixed (diameter, axial). The radial ventilation system is widely used because it is convenient to use the blasting effect of the parts (such as air ducts, magnetic poles, etc.) that can generate wind pressure on the rotor. The axial ventilation system facilitates the installation of a fan with a larger diameter to increase the amount of ventilation. The main disadvantage is that the cooling is uneven along the axial direction, and it is inconvenient to use the blowing effect of the parts on the rotor. Axial ventilation systems are generally only used in small and medium-sized DC motors in China. In fact, the so-called radial or axial ventilation system is only in terms of the main aspects of the cooling effect of the cooling medium in the motor, and a pure radial or axial ventilation system is relatively rare.
Hybrid ventilation systems have both axial and radial channels, but they tend to focus on one type. Large-scale DC motors are hybrid systems that dominate the axial direction. In some turbo-generators, radial channels are widely used. Mainly hybrid system.