What impact does altitude have on electrical equipment?
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Elevation has an impact on electrical equipment, such as circuit breakers； Insurance ； Contactor ； Overheat relay, motors, etc. What effects does an increase in altitude have on electrical appliances, and what parameters should be taken into consideration when selecting them?
As the altitude increases, air humidity, temperature, and atmospheric pressure all change. The electrical properties of the insulating materials in electrical equipment (transformer oil, insulating components in switches) are affected; as a result, the insulation level declines, and the operating force of the elastic transmission mechanisms also changes.
Areas above 1,000 meters are considered high-altitude regions, where the insulation and temperature rise of motors need to be taken into account. The regulations specify it.
At high altitudes, the performance of electrical components declines, and it is generally necessary to reduce their capacity when using them.