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
•
•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)
•
•Second level current limitation for
•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 |