VF-S320-12A Power Supplies - External/Internal (Off-Board)

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AC DC Converters is widely used in various industries. In particular, VF-S320-12A is a converter frequently used in different fields. It converts AC current to DC current. This article will discuss the application field and working principle of VF-S320-12A.

VF-S320-12A has the following advantages: High efficiency, wide input voltage range, small size, fast dynamic response, low-cost, high reliability and safety operation. VF-S320-12A is suitable for small power equipment. It is also widely used in various industries, such as lighting, elevator, refrigerator, electric fan, air conditioner, motor control and battery chargers. These application fields require low power and mostly require DC current.

The working principle of VF-S320-12A is simple. Its input mainly consists of two parts: A transformer and a rectifier circuit. The transformer will transfer input AC voltage to secondary side AC voltage, and then the rectifier circuit will convert the AC voltage to DC voltage, forming a DC output power supply.

The transformer in the VF-S320-12A will generally use a ferrite core. The transformer will use a high density magnetic powder core, the outside of the core is covered by silicone, and then the two heads of the transformer are respectively wound with primary and secondary windings. When the input current passes through the primary winding, it will generate a magnetic field, and then the magnetic field will be coupled to the secondary side by the magnetic core, and the electricity will be induced on the secondary side.

The rectifying circuit is composed of diode bridge and filter capacitor. The output of the inductor is in the alternating current form, and the diode bridge is used to rectify the alternating current to the DC voltage. The electrolytic capacitor is used as the filter capacitor, with the purpose of filtering the waveform, increasing the output voltage and increasing the output current. Thus, the AC voltage is converted into DC voltage to form a DC power supply.

In summary, VF-S320-12A has many advantages, such as high efficiency, wide input voltage range, small size, fast dynamic response, low-cost, high reliability and safety operation. It is widely used in many areas, and the working principle is very simple. The input consists of two parts: A transformer and a rectifier circuit. After rectification by diode bridge, a DC output is formed, which is used in small power equipment.

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