Motor 3 7 KW

YE4 series motor 3 7 kW is independently developed by our company. Its cooling method is 1C411,meeting GB/T 755 "Rotating Electrical Machines- Ratings and Performance” and JB/T13299-2017 “Specification for YE5 series (P55) High Efficiency Three-phase induction Motor (Frame size 63-355)".its efficiency value complies with the level 1 energy efficiency standard in GB 18613-2012 and is consistent with the lE4 in the international standard IEC 60034-30 "Energy Efficiency Class of Single-speed Three-phase Cage Induction Motors.

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Description

Technical Parameters

Brief Introduction

For motor 3 7 kW, this standard specifies the temperature rise or temperature limit of the motor when the field operating conditions meet the requirements and the norm is operated under continuous duty system (reference condition). This standard also provides for different field operating conditions and different work quota of the running time limit correction rules, as well as the thermal test site conditions are different from the operating site of the limit value correction rules. It is important to know that the most hot spot of each winding is under a certain reference condition, that is, under rated operating conditions, the thermal classification allowed by the insulation system cannot be exceeded.

Under baseline conditions, the temperature rise shall not exceed the limits specified in Table 8(air cooling) or Table 9(hydrogen cooling). Both the resistance method and the temperature gauge (ETD) method are suitable.

Note: The temperature rise measured by the resistance method and the thermometer (ETD) method may be significantly higher or lower than the temperature rise limits specified in Table 8 or Table 9, depending on the design of the motor cooling system. You do not want to compare the two methods.

For other field operating conditions, non-continuous work quota and rated voltage greater than 12000V, the limit shall be amended in accordance with Table 10 (consider the assumed cooling medium temperature limits in Table 10 (also see Table 11). If the winding is cooled indirectly by air, and the conditions of the test site are different from those of the operating site, the limit values specified in Table 12 shall apply to the test site. If the manufacturer considers that the allowable temperature is too high due to the modification of the test site according to the limit values in Table 12, the test procedure and the limit values shall be agreed that the test site shall not be modified for windings indirectly cooled with hydrogen because the rated load test can only be performed at the operating site.

Main Technical Parameters

Frame	H250mm
Power Scope	37kW
Voltage	380V/660V
Frequency	50/60Hz
Number of Poles	6P
Synchronous Speed	1000rpm
Cooling Mechod	IC411
Protection Grade	IP54/IP55
Insulation Class	F(155℃)
Duty	S1
Connection	Y/Delta
Mounting Type	IM B3
Vibration	≤2.3mm/s
Ambient Temperature	-15℃ ～ +40℃
Altitude	≤1000m
Humidity	Average monthly peak relative humidity is 90%