GE Electric | IS200AEPAH1AFD | Excitation simulation protection module
IS200AEPAH1AFD Product Overview
Functional Description:
The GE IS200AEPAH1AFD is an Excitation Analog Protection Module for GE’s Mark VI turbine control systems. It monitors generator voltage/current signals and triggers protective actions during electrical faults to safeguard turbines and power equipment.
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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IS200AEPAH1AFD
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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 Protection & Analog Signal Monitoring
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Input Voltage
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125 V DC via terminal block
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Analog Inputs
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12 channels (0-150V AC/DC, 0-5A AC)
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Sampling Rate
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4 kHz per channel
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Relay Outputs
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8 Form-C (5A @ 250V AC)
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Accuracy
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±0.2% FS (Voltage), ±0.5% FS (Current)
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Communication
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100 Mbps Ethernet (RJ45) + VME64x bus
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Operating Temp.
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-40°C to +70°C (-40°F to +158°F)
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Protection Class
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IP20 (chassis-mounted)
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Certifications
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UL 508, IEC 61010-1, CE
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Product Series
- Core component of GE’s Mark VI platform for generator protection.
Key Features
- Dual-Channel Sensing: Redundant measurement for critical signals.
- Fault Detection: Under/over-voltage, phase loss, frequency deviation.
- RTD Inputs: Supports 6x Pt100 temperature sensors.
- Event Logging: Stores 512 fault records with timestamps.
- Hot-Swap Ready: Tool-free replacement during operation.
- Self-Diagnostics: Continuous hardware health monitoring.
Functions & Roles
- Generator Protection: Trips excitation during overvoltage/underfrequency.
- Analog Conditioning: Isolates & scales PT/CT signals.
- Synch Check: Validates grid synchronization.
- Harmonics Analysis: Monitors THD up to 50th order.
- Redundant Operation: Mirrored operation with paired modules.
Applications & Use Cases
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Industry
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Application
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|---|---|
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Power Plants
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Generator AVR (Automatic Voltage Regulation)
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Wind Farms
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Doubly-Fed Induction Generator (DFIG) protection
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Hydroelectric
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Excitation system backup protection
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Industrial Grids
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Cogeneration plant synchronization
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Marine Power
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Shipboard generator fault protection
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Documentation & Support
- Manual: GEH-6421F (Mark VI Excitation Systems)
- Software: GE ToolboxST™ (v5.0+ for configuration)
- Firmware: Field-upgradable via Ethernet
- Compatibility: Interfaces with EX2100 exciters
- Safety Rating: SIL 3 (IEC 61508 for generator protection)
Critical Notes:
- Requires Mark VI controller (e.g., IS200ERPGH1A) for operation.
- Redundancy: Paired with IS200AEPAH1AFF (hot-backup module).
- Max CT Burden: 0.1 VA at 5A.
- Calibration Interval: 24 months (per IEEE 115).
- Replacement for legacy DS200AEPAG1 modules.
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