UNITROL® 6000 Indirect Excitation Systems (brushless)
UNITROL® 6000 is ABB’s latest generation of Indirect Excitation Systems. UNITROL 6000 Light is a standardized entry and cost efficient solution. UNITROL 6000 Medium is the fully customizable system for applications up to 2000 A. The proven pre-engineered building blocks ensure continuous high quality combined with short delivery times. UNITROL 6000 Nuclear is a special Excitation System for nuclear power plants for high safety and availablity especially tested.
UNITROL® 6000 Light, Medium and Nuclear systems are PowerPC® -based (64 bit floating point CPU) voltage regulators from small to large synchronous generators / motors equipped with exciter machines. 16…480 Hz AC source supplied Automatic Voltage Regulator (AVR) family for exciter machines with field currents up to 400 ADC at up to 500 VAC supply voltage
- single-phase supply up to rated field currents of 60 ADC with full wave controlled single-phase (2 pulse) thyristor bridge
- 3-phase supply up to rated field currents of 400 ADC with fully controlled 3-phase (6 pulse) thyristor bridge
UNITROL® 6000 Medium is fully configurable in terms of
- redundancy (single / double channel control configuration; additional back-up controller on request) including on-line maintenance
- supply scheme
- control sequence, channel transfer and monitoring options