DECS-250 DECS-250-LN1SN1N Overview 

The Digital Excitation Control System DECS-250 DECS-250-LN1SN1N BASLER ELECTRIC is a digital excitation control system providing precise voltage regulation and generator protection, programmable via BESTCOMSPlus® software in a compact unit .

Features and benefits

• Five Control Modes: Provides AVR, FCR, FVR, PF, and Var regulation for versatile generator excitation management.

• Integrated Protection: Includes 20 protection functions such as over/undervoltage, over/underfrequency, and loss of excitation.

• Programmable Logic: Configurable via BESTCOMSPlus® software with 16 contact inputs and flexible communication options.

• Auto Tune Feature: Two PID stability groups with automatic tuning for optimized performance.

• Limiting Functions: Five built-in limiters including overexcitation, underexcitation, and stator current protection.

• Optional Features: Available with automatic synchronizer and integrated power system stabilizer (PSS).

FAQ

Q1: What is the BASLER ELECTRIC DECS-250-LN1SN1N?

A1: It is a digital excitation control system for synchronous generators providing precise voltage regulation and protection.

Q2: What excitation control modes are available?

A2: It features five modes: AVR, FCR, FVR, Power Factor Regulation, and Var Regulation.

Q3: What protection functions does the DECS-250 include?

A3: It includes 20 protection functions such as over/undervoltage (27/59), over/underfrequency (81O/81U), reverse power (32R), and loss of excitation (40Q).

Q4: What is the excitation power output capability?

A4: It supplies 15 Adc continuously at 32, 63, or 125 Vdc, with 30 Adc forcing for 10 seconds.

Q5: How is the DECS-250 configured and programmed?

A5: It is configured using BESTCOMSPlus® software with programmable logic, 16 contact inputs, and flexible communication options.