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Analysis of the factors affecting the measurement of power fittings
Summary:
The insulation resistance of power fittings will decrease with the increase of temperature, because too high temperature will aggravate the dielectricization of resistance, and then lead to the increase of conductivity an
Analysis of the factors affecting the measurement of power fittings
Analysisoffactorsaffectingthemeasurementofpowerfittingstheinsulationresistanceofpowerfittingswilldecreasewiththeincreaseoftemperature，becausetoohightemperaturewillaggravatethedielectricizationofresistance，andthenleadtotheincreaseofconductivityandthedecreaseofresistance.
此外，当湿度高时，绝缘电阻吸收多的水，whichwillalsoincreasetheconductivityandreducetheinsulationresistance.
Insulationresistancemeasurementisequaltoapplyingdcvoltagetotheinsulation，thatistochargethemeasuredbody.afterthemeasurement，themeasuredbodyshouldbefullydischargedandthedischargetimeshouldbelongerthanthechargingtime，sothatthechargingcurrentandabsorptioncurrentwillnotbesmallerthanthepreviousmeasurementvaluewhentheresidualelectricityisnotdischarged.therefore，theabsorptionratiowilldecreaseandtheinsulationresistancewillincrease.
Analysis of the factors affecting the measurement of power fittings
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