Cage Induction Motor

The bearing condition of cage induction motor should be monitored frequently during the motor operating, especially for the motors with larger power. Early detection of bearing failure can prevent equipment downtime during unscheduled maintenance. Bearing temperature monitoring can be assembled with Pt100 temperature sensor or infrared thermometer which is more popular at present.

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Description

Technical Parameters

Title:

Cage Induction Motor

Brief Introduction

If these settings or devices are not equipped, the bearing can be monitored according to the three of " Listen ", " Touch " and

"Observation ".

a) "Listen": if the bearing is in good condition, it will make a low ringing sound. In case of sharp hiss, squeaks and other anomalous sounds, the bearing operation condition is abnormal, and the abnormal operation shall be eliminated as soon as possible before re- operation.

b) "Touch": the bearing temperature is too high, indicating that the bearing has been in abnormal condition. High temperature is harmful to the lubricant of bearings; if the bearing is operated for a long time at a temperature above 125℃, the bearing life will be reduced. Therefore, in the continuous monitoring of bearing temperature, any temperature change may indicate that the bearing has failed under the same operating conditions.

c) "Observation": Periodically open the bearing outer cover or end cover, visually check the bearings and oil seal. Check the oil seal near the bearing to ensure that it is enough to prevent hot liquids, corrosive liquids or gases from entering the bearings along the axle, and replace the oil seals as soon as they are worn out. Check the automatic lubrication system to ensure exact filling of grease into the bearing with proper amount. At the same time, check whether the lubricant is discolored or blackened. Be careful not to expose the bearing to contamination or moisture when checking; if the inspection is interrupted, cover the bearing surface with oil paper, plastic film or similar materials.

Main Technical Parameters

Frame:	H132
Warranty:	1 Year
Power Scope:	2.2KW~7.5KW
Voltage:	380V/660V
Frequency:	50Hz, 60Hz
Number of Poles:	2P, 4P, 6P, 8P
Speed:	3000rpm, 1500rpm, 1000rpm, 750rpm
Cooling Method	IC411
Protection Grade	IP55
Insulation Class	F(155℃), H(180℃)
Duty:	S1
Mounting Type	BV1
Standard:	IEC
Efficiency Grade:	IE5
Connection:	Delta/Y
Vibration:	≤1.8mm/s
Ambient Temperature:	-15℃ ～ +40℃
Altitude:	≤1000m
Humidity:	Average monthly peak relative humidity is 90%

Outline Dimensions

555

Motor Parameters

Applications

This series of motor is commonly used to drive water pumps, fans, compressors, conveyors and other transmission machinery in energy conservation and environmental protection transformation projects, national water conservancy projects, etc.