For applications requiring excitation current 15 Amps to 10,000 Amps

ECS2100 — DECS-400 — DECS-300 —
Alterrex Convection-Cooled Bridges — DECS-200/200N Pan Chassis — PSS-100 —
Rotating Diode Modules — Synchronous Motor Control



 

Digital Excitation Control System (DECS-400)
 

The DECS-400 is a microprocessor-based controller that provides excitation control, flexible logic control, and optional power system stabilization for synchronous machines in an integrated package. The controller provides an analog output to control the firing of external bridge(s) and monitors machine parameters to control, limit, and protect the synchronous machine from operating beyond its capability limitations.

Other features include:

• Four Control Modes, with autotracking between modes
  - Automatic Voltage Regulation (AVR)
  - Field Current Regulation (FCR)
  - Power Factor (PF)
  - Var Control
• 0.20% Voltage Regulation Accuracy
• Power system stabilizer (optional)
• Two pre-position set points for each mode
• Two Programmable Analog Outputs
• Setup from Front Panel HMI or by PC
• 40 Standard Stability Settings
• Customizable Stability Setting with two PID setting groups
• Reactive Droop, Line Drop Compensation
• Voltage Soft-Start Buildup
• Real Time Metering for 19 Generator Parameters
• Voltage Matching
• Autotracking with Optional Backup DECS-400
• Flexible Remote Set point Control
  - Contact inputs
  - Proportional Analog input, ±10 Vdc or 4-20 mA
  - Digital Communications
• Local RS-232, ASCII, Modem Capabilities
• RS-485, Modbus™
• Setup and initial operation are facilitated by BESTCOMS, which offers:
  -real time monitoring test analysis
  -flexible oscillography, trending
  -expanded testing capabilities, including means for performing frequency response tests
• UL Recognized, CSA certified, CE Compliant, GOST-R certified #POCC US.ME05.B03393

Download Bulletin SZF for more information.