Digital Acoustics ESBx-110 Especificaciones descargar pdf (Pagina 25)

100

101

Introduction and General Information

ADDvantage-32 PLUS ● AC to DC Power Converter

1-18

1.2.8 ARMATURE BRIDGE ASSEMBLY (540, 850, 1550, and 3000 ADC power converters

only)

The ARMATURE BRIDGE ASSEMBLY contains the high voltage armature control

components as shown in Figure 1-11 and Figure 1-12. The chassis supports the thyristor

module assemblies, bus bars, fuses, and current transformers. Blowers on the top of the

unit generate airflow across the heatsinks for heat dissipation. The armature bridge

assembly contains the thyristor modules, firing circuitry, current sensing, blowers (on 540

and 850 amp drives), and fusing to protect the thyristors.

Figure 1-11. Armature Bridge Assembly

(540 and 850 Amp Power Converters Only)

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