Application circuit of voltage detection circuit in air conditioner
Source: InternetPublisher:zht24 Keywords: Air conditioner application circuit voltage detection circuit Updated: 2020/02/03
Shown is the application circuit of voltage detection circuit in air conditioner . In order to protect the air conditioner from affecting its operation or even burning due to changes in external voltage
, a detection circuit is set up on the control substrate of the air conditioner to detect whether the power supply voltage is abnormal, such as overvoltage (
the power supply terminal is incorrectly connected to the AC). 380 V above) or under voltage (the input AC voltage is less than 180 V), the air conditioner will automatically display a fault code and perform
protection.
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