9388800990 Rev L

The Basler Digital Excitation Control System (DECS-200) is a microprocessor-based control device intended for generator power management. Programmability of system parameters and regulation settings enables the DECS-200 to be used in a wide range of applications and provides greater flexibility in excitation system optimization. The DECS-200 can accommodate generator exciter field requirements up to 15 Adc continuously in 32, 63, or 125 Vdc applications with one model. Functions :

• Four control modes
• Automatic voltage regulation (AVR)
• Manual or field current regulation (FCR)
• Power factor (PF)
• Reactive power (var)
• Soft start buildup with an adjustable ramp in AVR and FCR control modes
• One adjustment range or pre-position setpoint for each control mode
• Overexcitation limiting (OEL) and underexcitation limiting (UEL) in AVR, var and PF control modes
• Twenty stability selections
• Underfrequency compensation or volts per hertz ratio limiter
• Autotracking between operating modes and between DECS-200 units (optional)
• Automatic transfer to a backup DECS-200 unit (optional)
• Eight generator protection features
• Field overvoltage
• Field overcurrent
• Generator overvoltage
• Generator undervoltage
• Watchdog timer
• Loss of sensing
• Exciter diode monitor (EDM)
• Loss of field
• Generator paralleling with reactive droop compensation and reactive differential compensation
• Data logging and event recording

Downloads
[button link="http://www.genpowerusa.com/pdf/avrs/Basler-decs200-avr.pdf" color="green" newwindow="yes"] Datasheet[/button]
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