The uninterruptible power supply of UPS is an important device to protect the power supply. Maintenance is an urgent task during use, which can guard against machine failure. In addition to cooling fans and switch breaker components, there are a large number of solid-state electronic components in UPS power supplies. These electronic devices are used continuously. Although the machine is not worn out, the external environment has a great impact on the UPS power supply, so we have to control the temperature of the UPS.

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