Description
GE IS200EGPAG1B Gate Pulse Amplifier Board for EX2100 Excitation System
GE IS200EGPAG1B is an EGPA gate pulse amplifier PCB exclusively developed for GE Mark VI Speedtronic and EX2100e generator excitation control systems, serving as the core signal amplification interface between ESEL control boards and power SCR bridge units in power generation equipment. This GE IS200EGPAG1B receives low-level gate trigger commands from the excitation logic board, amplifies and isolates firing pulses to drive up to six silicon controlled rectifiers, while collecting real-time current, heatsink temperature and airflow feedback signals for system protection interlock. As a critical power bridge control component of GE turbine control hardware, IS200EGPAG1B equips configurable hardware jumpers and status LED indicators, widely deployed on gas turbines, steam turbines and hydroelectric generator excitation cabinets.
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Basic Procurement Parameters
- Brand: General Electric (GE)
- Model: IS200EGPAG1B
- Availability: Original new surplus in stock, refurbished tested units available
- Delivery Time: 1–3 working days for in-stock inventory; 5–8 weeks for factory backorder
- Guarantee: 12-month full warranty after shipment
- Condition: Brand new unopened OEM surplus / Fully refurbished & 100% bench tested
- Official Abbreviation: EGPA (Exciter Gate Pulse Amplifier Board)
- Compatible System: Mark VI Speedtronic, EX2100 / EX2100e Excitation Control
- Controlled Devices: Max 6 SCR power rectifiers
- Configuration Hardware: 5 adjustable on-board jumpers
- Diagnostic Indicators: Built-in green running LED, red fault alarm LED
- Temperature Monitoring: Dual thermal switch input (170°F alarm, 190°F trip)
- Feedback Signals: Bridge current feedback, heatsink temperature, cooling airflow monitoring
- Operating Temperature: -20°C ~ +65°C cabinet ambient
- Storage Temperature: -40°C ~ +85°C
- Net Weight: ~0.71kg (1lb 9oz)
- Mounting Form: Standard plug-in PCB for control cabinet rack
- Power Supply: Auxiliary DC 24V from EPDM power module
- Core Circuit: Pulse isolation transformers, high-voltage filter capacitors, fault detection logic
Key Features & Advantages
- Isolated gate pulse amplification with high signal stability, ensures accurate SCR firing timing for generator excitation regulation
- Integrated multi-channel protection feedback (temperature, airflow, current), automatically triggers system trip to avoid power bridge burnout
- Plug-and-play rack installation + configurable jumpers, easy replacement and adaptive matching for different generator excitation capacities
Industry Application Scenarios
- Gas turbine power plants: EX2100 excitation cabinet main control replacement spare parts
- Steam turbine generator sets: Synchronous machine field voltage regulation systems
- Hydroelectric power station excitation control cabinets for large water turbine units
- Industrial self-generation power equipment: On-site turbine and generator control retrofits & upgrades
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