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| Simple 12V 2A DC power supply by Chayapol Posted: 04 Nov 2015 02:39 AM PST Today, Chayapol builds a simple 12V 2A DC power supply for a 12V solar pump. It is an Unregulated power supply because load is DC motor only. How to works I teach son to understand the working principle of this projects. The main principle, we use this project to reduce voltage from AC-line 220V to 12V DC. On Figure 1 The AC 220V 50HZ is connected to the circuit through S1- ON-OFF switch and F1-fuse to protect this circuit. Then they flows through a 2A transformer to reduce voltage into 12V AC. Next,through the both Diodes to rectifier AC to DC converter. Then,at a capacitor as filter to DC voltage. The LED1 is power on display and R1 limit current The post Simple 12V 2A DC power supply by Chayapol appeared first on Electronic projects circuits.  |
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