Rectifier AC-DC Sample Clauses

Rectifier AC-DC. Rectifiers are AC-DC converters and are either passive or active in operation. Depending on the variance in input voltage, a chopper may be required to stabilize the output voltage. Passive rectifiers use diodes for rectification. The type of rectifier and the DC ripple is defined by the number of pulses. For power circuits, six and twelve pulse rectifiers are common. The six-pulse rectifier uses the three power supply lines and six diodes. The twelve-pulse rectifier uses six power supply lines and twelve diodes. In addition, 24 pulse and 48 pulse rectifiers are less common and are only used in case the dc voltage ripple has to be low or distortion at the AC side needs to be reduced. When loaded, the DC output voltage can be given as: