ABB Unitrol 1020

ABB Unitrol 1020 Operation modes Automatic voltage control with adjustable PID controller Power factor and reactive power controller with PID control algorithm Field current regulator with PI control Reactive power sharing for generators connected in parallel and in island operation Automatic synchronizing and voltage matching prior synchronization Monitoring and limiters Stand-by function and setpoint follow-up function through reliable CAN bus for redundant channel systems Enhanced system monitoring functions, as for instance voltage transformer monitoring Synchrocheck function Rotating diodes monitoring function (RDM) Various limiter functions (excitation current limiter and many others) Data recorder and trending Automatic and manual triggered data logger records measurements and user selected data Event logger function records success information with time and date information Trending recorder using the user-friendly commissioning and maintenance tool CMT1000 Communication interfaces and tools Fully featured MODBUS communication via standard Ethernet and RS485 Easy configuration and measurements reading through the powerful regulator #39;s LCD panel Powerful and user-friendly commissioning and maintenance software tool CMT1000 allows easy parameterization, monitoring, trending and optimization Miscellaneous Power system stabilizer according to IEEE PSS 2A/2B Robust double processor technology keeps control of the regulation even during disturbances from the Ethernet communication side