Description
Overview
The IS200EXHSG3AEC / IS200EXHSG3A Exciter High‑Speed Relay Driver Board is part of GE’s EX2100 excitation platform, used within Mark VI and Mark VIe turbine control systems. This module provides rapid relay actuation for excitation and protection functions, supporting stable generator field control in steam, gas, and hydro turbine applications. Its design aligns with GE’s TMR (Triple Modular Redundant) architecture, ensuring high reliability and deterministic response during critical operating conditions.
Functional Characteristics
The board delivers high‑speed solid‑state relay driving capability and interfaces directly with high‑speed contactors used in excitation systems. The IS200EXHSG3AEC / IS200EXHSG3A incorporates multiple relays, semiconductor devices, and a dense array of resistors and capacitors to support precise switching and signal conditioning.
Key design features include:
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Seven individually labeled relay channels
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Multiple plug‑in connectors and vertical pin headers
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Integrated heat sinks for thermal stability
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Wire jumpers for configuration
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Mechanical cutouts and mounting holes for simplified installation
A protective conformal coating shields the PCB from moisture, dust, and environmental contaminants, extending service life in harsh industrial environments.
Electrical and Mechanical Specifications
| Parameter |
Specification |
| Model |
IS200EXHSG3AEC / IS200EXHSG3A |
| Product Type |
Exciter High‑Speed Relay Driver Board |
| Brand |
GE |
| Series |
EX2100 / Mark VI / Mark VIe |
| Dimensions |
23 × 19.1 × 3 cm |
| Weight |
0.46 kg |
| Origin |
USA |
| HS Code |
8537101190 |
| Condition |
New |
| Availability |
In Stock |
| Architecture |
TMR compatible |
| Relay Type |
Solid‑state high‑speed drivers |
| PCB Protection |
Conformal coating |
| System Compatibility |
DCS / EX2100 excitation systems |
| Minimum Order |
1 unit |
Integration and System Role
The board is used in:
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Static excitation systems
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Generator field current control
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Voltage and reactive power regulation
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High‑speed protective tripping circuits
Its robust construction and compatibility with GE Speedtronic‑based systems make it suitable for both retrofit and new‑build excitation control installations.
Application Scenarios
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Gas turbine excitation control
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Steam turbine generator field regulation
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Hydro turbine excitation systems
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High‑speed relay actuation in TMR architectures
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Replacement or upgrade of EX2100 relay driver modules
FAQ
Q: Is this board compatible with all EX2100 systems? A: It is designed for EX2100 platforms and is widely used in Mark VI/Mark VIe excitation architectures. System verification is recommended before installation.
Q: Does the board include onboard relays? A: Yes. It includes seven labeled relay circuits with solid‑state driving capability.
Q: What type of protection does the PCB have? A: A conformal coating protects components from environmental stress.
