General Electric IS200ERDDH1ABA Exciter Regulator Dynamic Discharge Board

High-Performance Turbine Control Solution

• The General Electric IS200ERDDH1ABA delivers advanced excitation control.
• This dynamic discharge board manages critical generator excitation systems.
• It supports both simplex and redundant EX2100 regulator applications.
• The board provides comprehensive monitoring and protection functions.
• You get reliable performance for power generation turbine control.

Technical Specifications

• Manufacturer: General Electric
• Part Number: IS200ERDDH1ABA
• Series: EX2100 Excitation Control System
• Form Factor: Single-slot double-height 6U board
• Operating Voltage: 24V DC control power standard
• Field Voltage Range: -600V to +600V DC monitoring
• Temperature Range: 0°C to 140°C RTD monitoring
• Current Monitoring: 100mV shunt signal amplification
• Frequency Response: 333kHz to 1MHz VCO operation
• Isolation Rating: 2500V AC control power isolation

Functional Capabilities

• Field excitation gate drive control for IGBT management
• Dynamic discharge circuit for DC-link voltage regulation
• Real-time monitoring of DC-link voltage conditions
• Output shunt current measurement and protection
• Bridge temperature sensing via RTD input
• IGBT gate drive status monitoring and feedback
• Relay control for charging and de-excitation functions
• Overcurrent detection with predefined threshold levels

System Integration

• Backplane Connectors: P1 and P2 for power and signals
• Compatible Boards: ERBP, ERRB, ERIO, ERSC, ERRR
• Interface Connectors: 7 surface connectors total
• Power Supplies: 6 isolated supplies from transformers
• Mounting Options: ERBP for simplex, ERRB for redundant
• Redundant Operation: Dual board configuration support
• Communication: Direct interface with regulator boards

Monitoring & Protection Features

• Voltage Monitoring: DC-link and output field voltages
• Current Sensing: Output shunt current measurement
• Temperature Sensing: Bridge heatsink RTD monitoring
• Gate Drive Status: IGBT operation status feedback
• Overcurrent Protection: Automatic shutdown capability
• Desaturation Detection: IGBT fault condition monitoring
• Redundant Power: DC-link derived backup power source

Installation Guidelines

• Install in ERBP backplane for simplex operation mode
• Use ERRB backplane for redundant system configuration
• Ensure proper seating of all seven surface connectors
• Verify control power isolation before applying voltage
• Follow GE EX2100 installation manuals precisely
• Check bridge feedback circuits during commissioning

Shipping & Packaging

• Each board includes anti-static protective packaging
• We ship worldwide via FedEx, UPS, and DHL express
• All shipments include comprehensive insurance coverage
• Real-time tracking available for all international orders
• Professional handling ensures component integrity

Technical Frequently Asked Questions

• What is the main purpose of the dynamic discharge function?
• It manages excessive DC-link voltage through controlled discharge
• How does the board monitor bridge temperature?
• Through a resistive temperature device with 0-140°C range
• What is the difference between simplex and redundant operation?
• Simplex uses one board, redundant uses two for backup
• How does the overcurrent protection work?
• It detects predefined shunt voltage levels for automatic response
• What power sources does the board utilize?
• EPSM input for control and DC-link for redundant power

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