DS3800NSCA1G - Speed Current Regulator Auxiliary Board

SPECIFICATIONS:

Part No: DS3800NSCA1G
Manufacturer: General Electric
Product Type: Speed Current Regulator Auxiliary Board
Voltage Ranges: +/-25mV,
Operating Mode: Simplex
Series: Mark IV
Availability: In Stock
Current Range: +/-20mA
Dimensions: 7.14 × 4 × 1.5 in
Operating Temperature: 0 to 50°C
Country of Origin: USA

FUNCTIONAL DESCRIPTION:

DS3800NSCA1G is a Speed Current Regulator Auxiliary Board manufactured and designed by General Electric and is part of the Mark IV Series used in GE Speedtronic gas turbine control systems. This board is responsible for regulating both the speed and current of the turbine, maintaining the desired operational speed through precise adjustments of input power. It also monitors the current levels to prevent potential overloads or damage to the system. In addition to these primary functions, the board often incorporates auxiliary features such as fault detection, alarm systems, and communication interfaces, which are essential for system integration and real-time monitoring.

FUNCTIONS:

• Speed Regulation: The board continuously monitors and controls the turbine's motor speed by adjusting the input power. It utilizes feedback mechanisms to compare the actual speed with the desired setpoint. If there is any deviation, the board adjusts the motor’s power input to correct the speed, ensuring the turbine operates at its optimal efficiency. This precise control is essential for maintaining stable turbine operation, avoiding mechanical stress, and optimizing energy consumption.

• Current Monitoring and Control: The board tracks the electrical current flowing through the turbine's motor and associated components. It measures current levels to ensure they stay within safe operating limits. If the current exceeds predefined thresholds, the board takes corrective actions, such as reducing power or triggering protective shutdowns, to prevent potential damage or safety hazards. This function is critical for protecting the turbine from electrical faults and preventing overload conditions that could lead to system failures.

• Fault Detection: The board is equipped with diagnostic capabilities to detect and identify faults within the turbine control system. It analyzes various parameters and system behavior to recognize anomalies such as irregular speed fluctuations, abnormal current levels, or hardware malfunctions. Upon detecting a fault, the board generates alerts and diagnostic information, which helps operators quickly address the issue and prevent further complications.

• Alarm Systems: Integrated alarm systems within the board provide immediate notifications of critical conditions or deviations from normal operating parameters. These alarms can be visual (e.g., LED indicators) or audible (e.g., buzzers) and alert operators to take timely action. The alarms are designed to signal issues such as excessive current, speed deviations, or system faults, ensuring that operators are aware of any problems that require attention.

• Communication Interfaces: The board includes communication interfaces that enable it to interact with other control systems and components. These interfaces facilitate data exchange, allowing real-time monitoring and integration with broader control frameworks. Through communication protocols, the board can transmit performance data, fault reports, and operational status to central control systems or monitoring stations, enabling comprehensive oversight and coordination.

WOC has the largest stock of replacement parts for GE Speedtronic Gas turbine control systems. We can also repair your faulty boards and supply unused and rebuilt boards backed up with a warranty. Our team of experts is available round the clock to support your OEM needs. Our team of experts at WOC is happy to assist you with any of your automation requirements. For pricing and availability on parts and repairs, kindly contact our team by phone or email.

FREQUENTLY ASKED QUESTIONS:

Why is speed regulation important in turbine control systems?

Speed regulation is crucial for maintaining optimal turbine performance and efficiency. It prevents mechanical stress, minimizes energy consumption, and ensures that the turbine operates within safe speed limits to avoid potential damage.

How does the board monitor and control the current?

The board continuously measures the current flowing through the system. It compares these measurements against predefined thresholds and adjusts the power input to the motor if necessary to prevent overloads and protect the turbine components from damage.

What kind of faults can the board detect?

The board can detect various faults, including irregular speed fluctuations, abnormal current levels, and hardware malfunctions. It provides diagnostic information and alerts operators to address these issues before they lead to system failures.