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Phone：+86 15383419322Description
The GE IS200AEPAH1ACB and IS210BPPBH2BMD form a critical control pair within GE’s Mark VI Speedtronic™ turbine management system, engineered for precision excitation regulation in gas/steam turbines. The IS200AEPAH1ACB serves as an Exciter Processor Module, executing real-time PID control loops for automatic voltage regulation (AVR) and power system stabilizer (PSS) functions via a 32-bit DSP. Paired with the IS210BPPBH2BMD Bridge Power Supply Module, this duo delivers isolated, amplified firing pulses to thyristor bridges, enabling dynamic field current control from 0–150 A DC. Designed for SIL 2 applications, the combination ensures <2 ms response time for grid synchronization and load rejection scenarios. Housed in a VME-compatible rack, this integrated solution provides seamless communication with Mark VI controllers via ISBus, while its conformal-coated PCBs withstand humidity and contaminants in power generation environments.
GE IS200AEPAH1ACB+IS210BPPBH2BMD
Technical Specifications
| Parameter Name | Parameter Value |
| IS200AEPAH1ACB (Processor) | |
| Manufacturer | GE Industrial Systems |
| Product Type | Exciter Control Processor |
| Processor | 32-bit DSP @ 100 MHz |
| Control Loops | 3x independent PID (AVR/PSS/Limiter) |
| Update Rate | 0.5 ms |
| Inputs | 8x analog (±10V), 12x digital |
| Outputs | 4x PWM firing pulses |
| Operating Temp | -40°C to +70°C |
| Certifications | UL 508, IEC 60068-2 |
| IS210BPPBH2BMD (Power Stage) | |
| Product Type | Thyristor Firing Module |
| Output Current | 150 A DC continuous |
| Isolation Voltage | 2500 V AC |
| Pulse Width | 120° (adjustable) |
| Supply Voltage | 125 V DC nominal |
| Interface | Fiber-optic (to AEPAH1ACB) |
| Dimensions | 233 x 130 x 45 mm |
Main Features and Advantages
Synchronized Excitation Control: The IS200AEPAH1ACB computes field current demands using adaptive PID algorithms, transmitting firing angles via fiber to the IS210BPPBH2BMD within 50 μs. This eliminates ground loops and ensures noise-immune operation near high-current switchgear.
Grid Fault Resilience: Dual redundant thyristor firing channels in the BPPBH2BMD provide seamless transfer during SCR failures. The AEPAH1ACB’s under-excitation limiter prevents loss-of-synchronism during voltage sags.
Diagnostics Integration: Continuous self-monitoring detects open-gate wires or pulse transformer faults. Event logs capture 200+ waveform snapshots for post-disturbance analysis via ToolboxST™ software.
Retrofit-Ready: Compatible with legacy GE excitation systems (EX2000/EX2100) using adapter panels. Hot-swappable design minimizes downtime during replacement.
GE IS200AEPAH1ACB+IS210BPPBH2BMD
Application Field
This module pair dominates turbine excitation control in:
Combined-Cycle Plants: Regulating generator field current during fast-start operations (<10 min) to maintain grid compliance (IEEE C50.13)
Hydroelectric Stations: Providing VAR/power factor control for synchronous condensers
Industrial Cogeneration: Enabling black start capability with <5% voltage deviation
Offshore Platforms: Withstanding salt fog (ISO 12944 C5-M) on turbine-driven compressors
Peaking Power Facilities: Executing rapid load ramps (20 MW/min) without voltage collapse
The IS200AEPAH1ACB + IS210BPPBH2BMD combination prevents generator damage during islanding events by implementing instantaneous field suppression.
Related Products
IS200ERPGH1A: Redundant processor for TMR configurations
IS210DAMAG1B: Analog I/O pack for excitation feedback signals
DS3800HSEA: Replacement SCR bridge for BPPBH2BMD
IS200VSVOH1B: Servo driver for hydraulic exciter systems
IS215UCVEM06: Voltage regulator module upgrade
EX2100e: Next-gen excitation platform
ToolboxST™: Configuration/diagnostics software
Installation and Maintenance
Pre-installation preparation: Verify rack slot compatibility (Mark VI VME). Ground chassis to <0.1 Ω. Install IS200AEPAH1ACB and IS210BPPBH2BMD in adjacent slots for fiber routing. Confirm firmware revision compatibility via ToolboxST™.
Maintenance recommendations: Perform annual IR thermography on thyristor heatsinks. Calibrate analog inputs (±0.25% accuracy) every 24 months. Replace IS210BPPBH2BMD firing capacitors after 50,000 operating hours. Always maintain ESD protection during handling.
