5

Uncontrolled AC/DC Converters

Most of the electronic equipment and circuits require DC sources for their operation. Dry cells and rechargeable battery can be used for these applications. However, they can only offer limited power and unstable voltage. Most useful DC sources are AC/DC converters [1].

AC/DC conversion technology is a vast area in research and industrial applications. AC/DC converters are usually called rectifiers that convert an AC power supply source voltage to a DC voltage load. Usually, the uncontrolled AC/DC converters consist of diode circuits. They can be sorted into the following groups [2]:

•  Single-phase half-wave (SPHW) rectifiers

•  Single-phase full-wave (SPFW) rectifiers

•  Three-phase (TP) rectifiers

•  Multipulse ...

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