The GE IS200IGPAG2A is an industrial-grade Ignition & Gate Pulse Amplifier (IGPAG) module designed for GE’s EX2100 Excitation Control Systems and Mark VI Speedtronic turbine automation platforms. This board amplifies and conditions low-level firing commands from excitation controllers into robust high-current gate pulses used to drive power SCRs (Silicon Controlled Rectifiers) and other high-power switching devices in exciter bridges. The “G2A” revision emphasizes enhanced transient handling, tighter pulse shaping, and improved isolation — making it ideal for modern power generation applications with stringent dynamic and noise immunity requirements.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | IS200IGPAG2A |
| Module Type | Ignition & Gate Pulse Amplifier Board |
| Compatible Systems | GE EX2100 / Mark VI Speedtronic |
| Primary Function | High-current gate drive amplification and signal shaping |
| Input Signals | Low-level firing commands from DSP/controller |
| Output Signals | High-current, isolated gate pulses to SCR modules |
| Isolation | Transformer / optical isolation between logic and power paths |
| Protection Features | Overcurrent protection, transient suppression, fault detect |
| Power Supply | Logic +24 V DC; internal regulated high-current rails |
| Operating Temperature | Industrial cabinet range (typically 0 °C to +60 °C) |
| Mounting | Rack-mount or backplane install |
| Dimensions (L × W × H) | 250 × 120 × 35 mm (approx.) |
| Weight | 0.90 kg (approx.) |
| Typical Usage | High-speed SCR gate pulse generation for exciter systems |
These specifications represent nominal values; exact electrical ratings depend on system architecture and SCR bridge design.
Recommended Companion Modules
For a complete excitation control solution, the IS200IGPAG2A is often paired with:
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IS200DSPXH1D – Digital Signal Processor Control Board
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IS200EACFG3A – AC Feedback Signal Conditioning Board
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IS200EDCFG1B – DC Feedback Conditioning Board
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IS200EXHSG3A – High-Speed Gate Control Board
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IS200EDEXG1B – De-Excitation Control Board
Together, these boards provide signal processing, feedback acquisition, excitation gating, fault protection, and system coordination.
Popular GE Mark VI / EX2100 Modules
Systems using this amplifier typically also include:
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IS200DRLYH1B – Relay Output Terminal Board
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IS200EMIOH1A – Main I/O Interface Board
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IS200EBKPG1C – Backplane Interface Module
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IS200ESELH2A – Exciter Selector Board
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IS200ERBPG1A – Remote I/O Backplane
These modules collectively support comprehensive control, safety, and field I/O distribution.
