Transistor-driven AC regulated power supply circuit
Source: InternetPublisher:风向双子座 Keywords: AC regulated power supply transistor regulated power supply circuit BSP Updated: 2020/04/04
Using a relay to change the tap of an autotransformer to regulate voltage has the advantages of simplicity, economy, and a wide range of voltage regulation.
The disadvantage is that the voltage stabilization performance is poor and the voltage is regulated in stages. Improper adjustment can easily cause loss of control.
The circuit is shown in the figure. When the power supply voltage of this circuit changes from 170 to 250V, the output voltage is maintained within
220V ± 10V, and the voltage regulator capacity is 150V. A.
The working status of each component in the circuit is shown in the table
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