Overview
The GE IS200EPDMG1BAA Exciter Power Distribution Module is a vital component within the EX2100 excitation system, part of the Mark VI series. It functions as the central hub for distributing electrical power to various subsystems, including control processors, I/O boards, and protection circuits. By managing both AC and DC inputs, it ensures uninterrupted and conditioned power delivery across the excitation cabinet.
Moreover, the EPDM module supports dual input sources—125 VDC from station batteries and up to two 120 VAC lines—for redundancy and fault tolerance. In addition to power routing, it provides fuse protection, filtered inputs, and LED status indicators for diagnostics. Its compact, rack-mounted design simplifies installation and maintenance in high-density control environments.
Therefore, the IS200EPDMG1BAA is widely used in gas, steam, and hydroelectric power plants where stable excitation power is critical for generator performance and safety.
Technical Data
| Parameter | Specification |
|---|---|
| Model Number | IS200EPDMG1BAA |
| Product Type | Exciter Power Distribution Module |
| Dimensions | 35 cm × 17 cm × 10 cm |
| Weight | 0.36 kg |
| Operating Temperature | –30°C to +65°C |
Typical Applications
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Excitation Cabinet Power Distribution: Routes and protects power for control and I/O boards in EX2100 systems.
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Generator Protection Systems: Ensures reliable power delivery to trip and fault-handling circuits.
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Redundant Power Architectures: Supports dual input sources for uninterrupted operation during power loss.
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Industrial Power Plants: Used in steam, gas, and hydroelectric facilities for excitation system reliability.
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System Upgrades and Retrofits: Compatible with legacy Mark VI installations for modernization projects.
For instance, in a steam turbine generator system, the EPDM board ensures continuous power to excitation controllers even during AC input failure by switching to DC battery backup. In addition, its fuse protection and LED indicators simplify fault diagnosis and maintenance.
FAQ
Q1: What is the main function of the IS200EPDMG1BAA module?
A1: It distributes and protects power for excitation control, I/O, and protection boards in EX2100 systems.
Q2: Does it support redundant power inputs?
A2: Yes, it accepts both 125 VDC and dual 120 VAC inputs for fault-tolerant operation.
Q3: How many fuses are included on the board?
A3: The module includes 14 fuses for circuit protection.
Q4: Can it be used in outdoor installations?
A4: It should be installed in protected control cabinets; it’s not rated for direct outdoor exposure.
Q5: What industries commonly use this module?
A5: Industries include power generation, oil & gas, and heavy industrial automation.
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