Product Name:

DECS-200-2L – Digital Excitation Control System

Product Description:

The Basler Electric DECS-200-2L is a fully digital, microprocessor-based excitation controller designed to manage the excitation system of synchronous generators. It provides precise control over generator output and is used for applications requiring robust and reliable voltage regulation. The DECS-200-2L controller is part of Basler Electric’s DECS series and offers advanced features including voltage regulation, protection, and diagnostics, making it suitable for use in both power generation and industrial applications.

This controller is designed for standalone operation or can be integrated into complex systems to ensure reliable voltage control and generator protection in various power generation environments.

Product Parameters & Specifications:

• Voltage Regulation:
  • Maintains constant voltage output under varying load conditions.
  • Adjustable setpoints for fine-tuning the voltage.
• Control Inputs and Outputs:
  • Input: Speed sensing input, excitation current feedback, voltage sensing.
  • Output: Voltage regulator control output, field current control output.
• Excitation System Compatibility:
  • Compatible with various excitation systems such as thyristor-controlled and brushless alternators.
• Control Modes:
  • Provides constant voltage or droop mode control, enabling operation with both isolated and grid-connected generators.
• Field Current Control:
  • Provides feedback for field current, ensuring the proper excitation current and voltage.
• Communication:
  • Modbus RTU communication for remote monitoring and control.
  • Ethernet options available for integrated system control.
• Monitoring & Diagnostics:
  • Onboard diagnostics and protection features (over-voltage, under-voltage, over-current, field failure, etc.).
  • Real-time feedback for system parameters (voltage, current, and frequency).
• Protection Features:
  • Overvoltage: Limits voltage to protect the generator and load.
  • Under-voltage: Ensures voltage remains above the preset minimum.
  • Field Loss: Alerts if the excitation system is not providing sufficient power.
  • Overcurrent: Protects the excitation system from damage.
• Control Accuracy:
  • ±1% voltage regulation accuracy.
• Environmental Conditions:
  • Operating Temperature: -40°C to +70°C (-40°F to +158°F)
  • Relative Humidity: 5% to 95% (non-condensing).
• Power Supply:
  • DC power supply: Typically 24V DC or 48V DC.
  • Power consumption: Depends on the specific configuration.
• Dimensions:
  • Typical enclosure: 12.1” x 10.3” x 4.8” (307 x 262 x 122 mm) for the base controller.
  • Weight: ~3.5 kg (7.7 lbs).

Product Use:

The DECS-200-2L controller is primarily used for the excitation control of synchronous generators in applications where precise and reliable voltage regulation is necessary. Typical use cases include:

1. Power Generation: Ensures stable and reliable output voltage in power plants, whether in standalone, grid-connected, or isolated operation.
2. Industrial Applications: Used in backup power systems, cogeneration systems, and any environment requiring generator voltage regulation.
3. Marine & Off-Grid Systems: Suitable for ensuring the stability of generator voltage in isolated or marine-based systems.
4. Energy Storage Systems: In combination with renewable energy sources like wind and solar, the DECS-200-2L helps maintain voltage stability during varying load conditions.