SOLA 4000 - PCB Description

1 UPS Control Logic

1.2 Rectifier

The rectifier control logic consists of two PCBs.

IF/PS - R Rectifier electronic power supply

input voltage sensing

rectifier electronics power supply

CPHC16 - R Rectifier control and regulation

rectifier output voltage regulation

rectifier output current limitation

soft-start control

battery charging current limitation

generation of the thyristor firing pulses

input voltage monitoring (phase rotation, mains failure)

control for parallel rectifiers (with a common battery)

12-pulse rectifier control

Second level current limitation for diesel-generators.

Boost charging according to DIN 41773.

Thermal compensation.

IF/PS - R Front View

PSPA

PSPP

PSPA1

+ 15

- 15

FIG. 1.1 illustrates the LEDs of the IF/PS - R PCB which are accessible from the front.

+ 12V analog circuits power supply OK

+ 16V microprocessor power supply unregulated

+ 12V interfaces power supply

+ 15V auxiliary LEM power supply (illuminated only for 12 pulse configuration)

- 15V auxiliary LEM power supply (illuminated only for 12 pulse configuration)

JUE 401268

94

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Image 94
Powerware SOLA 4000 manual Rectifier, IF/PS R Front View