Method for measuring temperature rise during reducer operation - Delta

Create Date: 2024-8-30 12:03:23|Source: Delta/Delta

The thermometer method and resistance method can be used to measure the temperature rise of each part of the reducer.

                                 Method for measuring temperature rise during reducer operation - Delta

1) Thermometer method: This is the easiest way to measure the temperature directly, and it is commonly measured by an alcohol thermometer. When measuring, the thermometer can be placed close to the surface of the bearing to be measured or the stator core to read the temperature indication. When measuring the temperature of the winding, the thermometer can be inserted into the reducer hoisting screw hole, and the measured temperature value is the surface temperature of the winding, plus the hot spot temperature difference (10 for B-level insulation. c) It is the hottest temperature of the reducer winding. Subtracting the ambient temperature from the temperature of the reducer is the temperature rise of the reducer.

2) resistance method: the resistance value of the metal wire increases accordingly with the increase of temperature, in the range of a certain temperature, there is a definite functional relationship between the resistance value and the temperature, using this principle, the temperature can be measured by measuring the resistance value of the winding, which is called resistance method temperature measurement. When the resistance method is selected, the value of the cold DC resistance RI of the winding is measured with the bridge, and the ambient temperature (room temperature) at that time is recorded when the reducer is running for a period of time, and then the hot DC resistance of the winding is measured, and the temperature of the winding c2 can be obtained by substituting the formula.
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