DS3800NSFE1E1B Synch Field Exciter Module

Overview

Place of Origin:	USA
Brand Name:	GE
Model Number:	DS3800NSFE1E1B
Packaging Details:	Original new Factory Sealed
Delivery Time:	5-7 days
Payment Terms:	T/T
Supply Ability:	In stock

Specifications

Description

DS3800NSFE1E1B 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.

Applications

Utility power plants: Monitor the real-time speed of Frame 6, 7, or 9 series gas turbines. If the board signal is interrupted, the system will immediately trigger an "overspeed protection" or "signal loss" alarm and shut down the turbine.

Natural gas compression stations: In long-distance pipelines, ensure that the turbine speed driving the compressor remains within a safe envelope.

Refineries and chemical plants: Used to manage pump sets or fans driven by large industrial turbines.

Feature

1 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.

2 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.

3 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.

4 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.

5 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.

6 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.

7 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.

8 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.

9 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.

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