Domestic low-pressure areas are mainly high-altitude areas and high-latitude areas in winter. Due to the low air pressure, the mechanical and electrical properties of the product are greatly affected, sometimes leading to product damage. Here is the effect of low pressure on electrical performance:
The altitude increase increases the air pressure and also affects the electrical performance of electrical and electronic products. Especially in the case of air as an insulating medium, the effect of low air pressure on the equipment is more significant. Under normal atmospheric conditions, air can be a good insulating medium, and many electrical products use air as an insulating medium. When these products are used in high-altitude areas or as airborne equipment, due to the decrease in atmospheric pressure, a partial discharge phenomenon is often generated near an electrode with a strong electric field, which is called corona. More seriously, air gap breakdown sometimes occurs. This means that the normal working state of the device is destroyed.
The high and low temperature low pressure test chamber is a test equipment for simulating environmental parameters such as pressure, temperature and humidity in high altitude areas. It is widely used in aviation, aerospace and military fields.
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