Digital Excitation System

디지털 여자 시스템

Product Overview

KDR-1200D

KDR-1200D Features

• Real time metering
• 32-bit microprocessor
• 0.25% voltage regulation (AVR mode)
• Generator voltage soft start
• Adjustable under frequency threshold
• rms voltage sensing, single or three phase voltage sensing
• Reactive droop current compensation
• Under and over excitation limiting
• Var or power factor control
• Auto tracking of all operating modes
• Dual modes of controller
• Reference adjuster for remote raise/lower control
• Control via a contact input, front panel switches
• Output annunciation via general alarm contacts
• Watchdog timer alarm output contact
• Protection including :
– Generator under and over voltage
– Generator under frequency
– Field over voltage
– Field over current
– Loss of voltage sensing
• Input/Output : 74 Points (AI:18, AO:8, DI:32, DO:16)
• Data logging and event recording
• PSS(Option)

KDR-1200 Single Line Diagram

KDR-1200 Configuration

HMI (Human Machine Interfase)

Main Screen : the general operation state and fimctions of the system
PCR screen : The operalion state of PCR
Real Value : Realtime display of major data
Annunciator : Alarm state and contents
Real/Historical Trend : The current values and trend of major data
Sequence of event : Events regarding all Tags
Generating ability curves : Realtime display of the operation state on the curves that indicate the ability
Control Signal : Display of various controlling signals
Network : Display of the network state