Y2 series 30kw 3 phase motor is a kind of TEFC squirrel cage motor with the national unified design. It has the characteristics of high efficiency, energy saving, high starting torque, low noise, low vibration and easy maintenance. The grade of power and mounting measurements are subject to the IEC standard. This series motor is commonly used in the machinery without special requirement specially for reducer, air compressor, water pump, oil pump, packing and food machinery and so on.
Product Detail
Motor Type: 30kw 3 phase motor
Output Power: 0.18 kW - 315 kW
Frame Size: IEC 63 - 355
Number of Poles: 2, 4, 6, 8
Voltage: 220/380V, 380/660V others for request
Frequency: 50 & 60 Hz
Protection Level: IP54 / IP55
Energy Efficiency Rating: IE1 / IE2 / IE3
Insulation Class: B/F
Cooling Method: IC411
Duty: S1
Product Parameter (specification)
30kw 3 phase motor
Type | Power (KW) | Full Load | Rated Torque Tn(N*m) | Ist/In | Tst/Tn | Tmax/Tn | |||
Current (A) | Speed(r/min) | Eff(%) | Power Factor | ||||||
3000rpm.2 poles | |||||||||
YE2-200L1-2 | 30 | 55.1 | 2950 | 92 | 0.9 | 97.12 | 7.5 | 2 | 2.3 |
1500rpm.4 poles. | |||||||||
YE2-200L-4 | 30 | 57.4 | 1470 | 92.3 | 0.86 | 194.9 | 7.2 | 2.2 | 2.3 |
1000rpm.6 poles | |||||||||
YE2-225M-6 | 30 | 59.2 | 980 | 91.7 | 0.84 | 292.3 | 7 | 2 | 2.1 |
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FAQ
The cause of electromagnetic noise produced by AC three-phase asynchronous motor
The electromagnetic noise of AC three-phase asynchronous motor is caused by the action of electromagnetic force to cause some parts (eg: silicon steel sheet) to produce higher frequency vibration. It will disappear immediately after power failure. This is also a distinction between mechanical noise and electromagnetic The simplest and most direct method of noise.
Electromagnetic noise tends to increase as the voltage rises or the load increases. For a variable frequency motor powered by a variable frequency power supply, a large electromagnetic noise may be emitted in a certain frequency range, and a large vibration may be generated at the same time.
The specific reasons for electromagnetic noise are as follows:
The air gap between the stator and the rotor is seriously uneven, and a large unilateral magnetic pulling force will be generated after energization and rotation, which will produce noise related to the speed. The uniformity of the air gap between the stator and the rotor can meet the requirements by adjusting the matching of the base and the end cover (including replacement) or the inner circle of the stator, so as to reduce or eliminate the electromagnetic noise emitted thereby.
