WYJ81 type automatic AC regulated power supply circuit
Source: InternetPublisher:蓝猫淘气 Keywords: AC regulated power supply regulated power supply circuit BSP output voltage Updated: 2020/09/06
It uses an operational amplifier as a double-limit voltage comparator to automatically stabilize the output voltage of the autovoltage regulator
within a given voltage range. The output voltage of this voltage regulator can be stabilized within the range of 220/110V ±4%, the response
time is 1. 6s, and the efficiency is 95%.
Adjusting the potentiometer RP can change the output voltage set value. The operational amplifier Ai controls the upper limit voltage (220/110V+
4%), and A2 controls the lower limit voltage (220/110V-4%). Ai and Az use four operational amplifiers SF324, and the remaining two operational amplifiers
can be used for overvoltage, overcurrent or electric shock protection to improve the reliability and safety of the voltage regulator.
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