GE Electric | IS200AEPCH1BAA | Excitation processor card
IS200AEPCH1BAA Product Overview
Functional Description:
The GE IS200AEPCH1BAA is an Advanced Excitation Processor card within GE’s Mark VI Speedtronic™ turbine control system. It regulates generator field current, maintains terminal voltage stability, and implements protection logic for synchronous generators in power plants and industrial facilities.
Key Parameters & Specifications
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Parameter
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Specification
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|---|---|
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Part Number
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IS200AEPCH1BAA
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Series
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GE Mark VI Turbine Control System
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Function
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Generator Excitation Control & Protection
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Input Voltage
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48 V DC (±10%) via backplane
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Communication
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Dual 100 Mbps Ethernet + PROFIBUS DP
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I/O Interface
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32-bit PCI bus (for EX2100 I/O packs)
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Processor
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PowerPC 603e @ 200 MHz
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Memory
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32 MB SDRAM, 16 MB Flash
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Operating Temp.
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-30°C to +65°C (-22°F to +149°F)
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Protection Functions
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Over-excitation, Under-voltage, V/Hz Limiter
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Firmware
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Compatible with ToolboxST™ v7.0+
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Certifications
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UL 508, CE, IEEE 421.4, RoHS
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Product Series
- Core component of GE’s Mark VI platform (legacy system), designed for gas/steam turbine generator control.
Key Features
- Dual-Channel Redundancy: Auto-failover < 100 ms
- Adaptive PID Control: Voltage regulation ±0.5%
- Real-Time Diagnostics: Monitors thyristor bridges, field grounds
- HMI Integration: Supports CIMPLICITY® HMI data logging
- Cyber Security: Password-protected firmware access
- Hot-Swappable: Tool-less replacement during operation
Functions & Roles
- Automatic Voltage Regulation (AVR): Maintains generator output voltage.
- Power System Stabilizer (PSS): Damps grid frequency oscillations.
- Field Current Limiting: Prevents rotor overheating.
- Protection Tripping: Activates on loss-of-synchronism or over-fluxing.
- Black Start Capability: Self-excitation during grid restoration.
Applications & Use Cases
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Industry
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Application
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|---|---|
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Thermal Power
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Gas/Steam Turbine Generator Excitation
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Hydroelectric
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Brushless Exciter Control
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Industrial
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Synchronous Motors in Compressors/Pumps
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Marine
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Shipboard Power Generation
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Cogeneration
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Combined Heat & Power (CHP) Plants
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Documentation & Support
- Manual: GEH-6421D (Mark VI Excitation Systems)
- Software: GE ToolboxST™ (v7.0+)
- Compatibility: Interfaces with EX2100 excitation cabinets
- Lifecycle Status: Active Production (GE P/N: PVB793205T)
- Legacy Note: Replaces older AEP-105 exciter controllers
Critical Specifications:
- Field Power Requirement: 125 V DC (isolated) for thyristor firing
- Typical Response Time: < 20 ms for voltage deviations
- Harmonic Distortion: < 1.5% THD at full load
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