Thyristor Rectifier-inverter

Thyristor rectifier-inverter for variable voltage and variable frequency. [Pg.392]

A power diode reetifier unit feeding a fixed d.e. power to an inverter unit to control an a.c. motor, or a thyristor rectifier unit, directly controlling a d.e. motor, both contain... [Pg.128]

A typical basic circuit is shown in Figure 14.3 which consists of two main parts, a three-phase bridge-connected thyristor rectifier and a three-phase bridge-connected thyristor inverter. [Pg.392]

Diode bridge rectifier (converter) Inverter unit IGBT or thyristor, depending upon the size of machine,... [Pg.104]

In this group there are several systems that use power electronics to provide a variable magnitude voltage at a variable frequency. Most of the systems use rectifiers and thyristors in the form of converters and inverters. [Pg.392]

Thyristors used in rectifier and inverter bridges are usually of two types. The first type is a three-terminal semiconductor that can only be turned on by a control or firing signal applied to its... [Pg.404]

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