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SPECIFICATIONS:
Part Number: DS3800NSFE
Manufacturer: General Electric
Series: Mark IV
Product Type: Synch Field Exciter Module
Number of channels: 12
Operating temperature: -30 to 65 degrees Celsius
Size: 8.25 cm high x 4.18 cm
Repair: 3-7 Day
Availability: In Stock
Weight: 2 lbs
Country of Origin: United States
FUNCTIONAL DESCRIPTION:
DS3800NSFE is a Synch Field Exciter Module manufactured and designed by General Electric as part of the Mark IV Series used in GE Speedtronic Gas Turbine Control Systems. The Synch Field Exciter Module is designed to control the strength of the excitation field. By adjusting the excitation field, the output voltage and reactive power of the synchronous generator can be regulated. This is important for maintaining the stability and reliability of power systems. The module typically includes various components such as voltage regulators, control circuits, and power electronics to manage the excitation field. Modern exciter modules may also incorporate advanced control algorithms and monitoring systems to optimize the generator's performance. The Synch Field Exciter Module (SFEM) typically comes with a variety of features that are designed to efficiently regulate and control the excitation field of a synchronous generator. Some common features of the SFEM include:
Voltage Regulation: The SFEM allows for precise voltage regulation by adjusting the excitation field strength. This ensures that the output voltage of the generator remains stable and within acceptable limits, even under varying load conditions.
Reactive Power Control: SFEM enables the control of reactive power output from the synchronous generator. By adjusting the excitation field, the generator can supply or absorb reactive power as required to maintain power system stability.
Automatic Voltage Regulation (AVR): Many SFEMs are equipped with automatic voltage regulation capabilities. This means that they can respond to changes in the load and adjust the excitation field automatically to maintain a constant voltage output.
Field Current Limiting: To protect the generator and the SFEM from excessive currents, the module may include current limiting features. These features prevent the excitation field current from exceeding safe operating limits.
Excitation System Protections: The SFEM incorporates various protective features to safeguard the generator and itself from potential faults or abnormal conditions. This may include overvoltage protection, under-voltage protection, and other safety measures.
Remote Monitoring and Control: Some modern SFEMs offer remote monitoring and control capabilities. This allows operators to monitor the excitation system's performance and make adjustments remotely, improving overall system efficiency and maintenance.
Synchronization Control: The SFEM plays a critical role in synchronizing the generator with the power grid. It ensures that the generator's frequency and phase are synchronized before connecting it to the grid, preventing potential damage or instability during synchronization.
Fault Diagnostics: Advanced SFEMs may include built-in diagnostics that can detect and report faults or abnormalities in the excitation system. This helps in identifying potential issues early on and facilitates quicker maintenance and troubleshooting.
Compatibility and Integration: SFEMs are engineered to be compatible with various types of synchronous generators and can be integrated seamlessly into different power generation setups.
WOC maintains the largest inventory of Replacement parts for GE Speedtronic control systems. Additionally, we offer warranty-backed unused and rebuilt boards as well as board repairs for your damaged ones. For your OEM needs, our team of professionals is available around-the-clock. We at WOC are happy to help you with any needs you may have in terms of automation. Please contact our team by phone or email for pricing and availability on any components and repairs.
What is a Synch Field Exciter Module (SFEM)?
The SFEM is a device used in electrical power systems to regulate and control the excitation field of synchronous generators. It ensures stable voltage and reactive power output, contributing to the overall stability and efficiency of the power generation system.
Why is excitation control important in power generation?
Excitation control is crucial because it determines the strength of the magnetic field in the generator's rotor. By adjusting the excitation field, the generator can maintain a constant output voltage and control the reactive power flow, helping to stabilize the power system and support grid operation.
How does an SFEM regulate the generator's output voltage?
The SFEM adjusts the excitation field strength, which in turn affects the voltage output of the synchronous generator. By increasing or decreasing the excitation field, the SFEM can maintain a constant voltage level regardless of changes in the load.
