DS3800XTFS1A1A - Generator Regulator Control Terminal Board

SPECIFICATIONS:

Part Number: DS3800XTFS1A1A
Manufacturer: General Electric
Series: Mark IV
Product Type: Generator Regulator Control Terminal Board
Power Requirements: +5 V dc, 7 A
Input Voltage: 90-264 V
Output Voltage: 0-10 V DC
Frequency: 50/60 Hz
Power supply voltage: 24 V dc
Current Rating (Exciter Control): 10 A to 30 A
Operating Temperature: -10°C to +60°C
Isolation Voltage: 1500 V AC
Size: 15.7 cm high x 17.5 cm
Power Consumption: 20W
Weight: 0.8kg
Repair: 3-7 Day
Availability: In Stock
Country of Origin: United States

FUNCTIONAL DESCRIPTION:

DS3800XTFS1A1A is a Generator Regulator Control Terminal Board manufactured and designed by General Electric as part of the Mark IV Series used in GE Speedtronic Gas Turbine Control Systems. A Generator Regulator Control Terminal Board is a critical component in gas turbine control systems, responsible for managing the generator’s excitation and voltage regulation. It acts as the interface between the Automatic Voltage Regulator (AVR), the exciter, and the generator, ensuring that voltage levels remain stable under varying load conditions. Gas turbines experience rapid fluctuations in power demand, requiring precise control over excitation to maintain grid stability and generator efficiency. The terminal board facilitates this by providing structured connections for voltage sensing, control signals, and protective relays.

The excitation system supplies controlled DC power to the generator’s rotor windings, influencing the generated voltage and reactive power. The Generator Regulator Control Terminal Board plays a central role by receiving voltage feedback from the generator, processing it through the AVR, and adjusting the excitation as needed. This process ensures that the generator maintains a constant output voltage, preventing fluctuations that could lead to operational instability or equipment damage. The terminal board is also designed with built-in protection features such as overvoltage, undervoltage, and loss-of-excitation detection, which safeguard the generator against faults and abnormal conditions.

FUNCTIONS OF REGULATOR CONTROL TERMINAL BOARD:

• Voltage Regulation: Voltage regulation is one of the primary functions of the Generator Regulator Control Terminal Board. The terminal board works with the Automatic Voltage Regulator (AVR) to maintain a stable output voltage from the generator, despite fluctuating load demands. The AVR receives voltage feedback from the generator, processes it, and adjusts the excitation current sent to the exciter. By increasing or decreasing the excitation current, the generator’s voltage can be kept within the required limits, ensuring that power supplied to the grid is stable and reliable.

• Excitation Control: Excitation control is another key responsibility of the Generator Regulator Control Terminal Board. The terminal board distributes control signals to the exciter, which in turn regulates the current to the generator’s rotor windings. This control is essential for generating the magnetic field that powers the generator and determines its output voltage. As the load on the generator changes, the terminal board adjusts the excitation levels accordingly.

• Load Sharing and Synchronization: In systems with multiple generators running in parallel, load sharing and synchronization become critical for ensuring stable operation. The Generator Regulator Control Terminal Board plays an essential role in coordinating multiple generators by ensuring they operate in sync with each other and share the electrical load proportionally. The terminal board receives signals from the AVR of each generator and adjusts the excitation currents to match the voltage and frequency of the generators.

• Fault Protection and Safety: Fault protection is a vital feature of the Generator Regulator Control Terminal Board. It is equipped with mechanisms to detect and respond to abnormal operating conditions, such as overvoltage, undervoltage, or loss of excitation. These conditions can cause damage to the generator, the turbine, or the connected grid. When a fault is detected, the terminal board activates protective measures, such as tripping the generator, sending warning signals to operators, or initiating emergency shutdown procedures to prevent further damage.

• Signal Processing and Communication: The Generator Regulator Control Terminal Board also serves as a communication hub, processing signals from various parts of the generator system. It receives voltage feedback from sensors installed throughout the system, processes this data to determine the generator's performance, and sends appropriate signals to the AVR to adjust excitation levels. Additionally, modern generator control systems often integrate the terminal board with Supervisory Control and Data Acquisition (SCADA) systems. This allows operators to monitor the system remotely, view real-time data on generator status, and make adjustments as needed.

• System Monitoring and Diagnostics: The Generator Regulator Control Terminal Board plays a crucial role in the ongoing monitoring and diagnostics of the generator’s health and performance. It continuously tracks key parameters such as excitation current, generator voltage, and operating conditions. This data is often made available to the operators, providing them with insights into the system’s operation and helping them identify potential issues before they escalate.

WOC has the largest stock of GE Speedtronic Gas Turbine Control System Replacement Parts. We can also repair your faulty boards. We can also supply unused and rebuilt 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 any parts and repairs, kindly get in touch with our team by phone or email.

FREQUENTLY ASKED QUESTIONS:

What is a Generator Regulator Control Terminal Board?

A Generator Regulator Control Terminal Board is a critical component in power generation systems that serves as the interface between the generator's voltage regulator and other control systems. It facilitates the monitoring and regulation of voltage output, ensuring the generator operates within safe and efficient parameters.

What are the key functions of the Control Terminal Board?

The Control Terminal Board performs several essential functions, including voltage regulation, signal processing, and system protection. It receives input from voltage and current sensors, processes this data, and sends control signals to the voltage regulator to adjust the generator's output.

How does the Control Terminal Board ensure voltage stability?

The Control Terminal Board ensures voltage stability by continuously monitoring the generator's output and comparing it to the desired setpoint. If any deviation is detected, the board sends corrective signals to the voltage regulator, which adjusts the excitation current to the generator's rotor.