Overview
The IS200EDEXG1AEA Exciter De-Excitation Control Board is a specialized module designed to manage the safe reduction of excitation current in synchronous generators. It plays a critical role during generator shutdowns, emergency trips, or fault conditions by quickly dissipating residual field energy. This prevents overspeed, protects connected equipment, and ensures compliance with operational safety standards.
Moreover, the EDEX board integrates seamlessly into GE’s EX2100 and Mark VI excitation systems. It supports high-speed switching and includes configurable jumpers for flexible setup. In addition to its core function, the board contributes to system diagnostics and fault isolation, helping operators maintain reliability and reduce downtime.
Therefore, the IS200EDEXG1AEA is widely used in gas, steam, and hydroelectric power plants where precise and rapid de-excitation is essential for generator protection.
Technical Data
| Parameter | Specification |
|---|---|
| Model Number | IS200EDEXG1AEA |
| Product Type | Exciter De-Excitation Control Board |
| Dimensions | 330 × 250 × 38 mm |
| Weight | 1.36 kg |
| Operating Temperature | –30°C to +65°C |
Typical Applications
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Generator Excitation Systems: Safely dissipates field energy during shutdowns or fault conditions.
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Power Plant Protection: Prevents overspeed and electrical stress in synchronous generators.
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EX2100 Excitation Cabinets: Integrated into control racks for coordinated excitation management.
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Industrial Generator Control: Used in petrochemical, mining, and manufacturing facilities.
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System Upgrades and Retrofits: Compatible with legacy Mark VI installations for enhanced safety.
For example, during a turbine trip, the EDEX board activates to discharge excitation energy, ensuring the generator decelerates safely. In addition, its jumper configuration allows engineers to tailor response characteristics to specific system requirements.
FAQ
Q1: What is the main function of the IS200EDEXG1AEA board?
A1: It controls and dissipates excitation current during generator shutdowns or fault conditions.
Q2: Is it compatible with EX2100 systems?
A2: Yes, it integrates with both GE EX2100 and Mark VI platforms.
Q3: What are the configurable jumpers used for?
A3: They allow customization of board behavior and signal routing.
Q4: Can this board be field-replaced?
A4: Yes, it is designed for modular replacement within GE control racks.
Q5: What industries commonly use this board?
A5: Industries include power generation, oil & gas, and heavy manufacturing.
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