Witura WT-9001 IP65 Especificações descarregar pdf (Página 40)

There are several steps that should be taken in making any hardware in these

systems. This system must be related to the block diagram of the system. Further

information about the circuit and the equipment were be used will described in the

below.

3.1.2.1 Adapter AC to DC

Adapter AC to DC converter is a powerful device can convert an analog current

to a direct current. This adapter usually uses a transformer to convert the voltage from

the wall outlet which the output voltage from the outlet is 240V analog current. This

adapter used to produce DC, a rectifier is used to convert alternating voltage to a

pulsating direct voltage, followed by a filter, comprising one more capacitors, resistors,

and sometimes inductors, to filter out (smooth) most of the pulsation. A small remaining

unwanted alternating voltage component at mains or twice mains power frequency is

unavoidably superimposed on the direct output voltage. For purposes such as charging

batteries the ripple is not a problem, and the simplest unregulated main powered DC

power supply circuit consists of a transformer driving a single diode in series with

a resistor.

Figure 3.2 Basic Circuit for Adapter AC to DC Converter.

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Witura WT-9001 IP65 Especificações Página 40