ABB UNITROL® 5000 Excitation Systems for Medium and Large

UNITROL® 5000
Excitation Systems for Medium and Large
Synchronous Machines

Application areas • Static Excitation Systems (SES) for 50 Hz, 60 Hz or 16 2/3Hz power supply with field currents from 1000 ADC to more than 10.000 ADC • Automatic Voltage Regulating Systems (AVR) for exciter machines with special functions, supply frequencies from 16 2/3Hz to 400 Hz

Regulator highlights
Additional regulator redundancy
• Dual-channel system with backup
current regulator
Digital input processing
• Three-phase voltage measurement
• Three-phase current measurement
•Digital processing of the input values
with a signal processor
Additional inputs and outputs
• Easy to extend to the required number
with ARCnet® devices
•Digital and analog
Event and error log
•With real-time stamp
• Remote interrogation possible.

Power section highlights

Power converter redundancy
• Up to a maximum of eight parallel
power converters are possible
• Power converter redundancy is com
pletely independent of the regulator
configuration