GE IS200ESELH3A Exciter Selector Board

GE IS200ESELH3A Exciter Selector Board

The General Electric IS200ESELH3A is an Exciter Selector Board for EX2100 excitation systems. This ESEL module processes and distributes gate pulse signals between the EMIO and EGPA boards. It features six bridge drivers for comprehensive gate control in power conversion applications.

Technical Specifications

• Manufacturer: General Electric (GE)
• Model Number: IS200ESELH3A
• Series: EX2100 Excitation Controller
• Product Type: Exciter Selector Board
• Dimensions: 33.02 cm H x 10.16 cm W
• Bridge Drivers: 6 independent drivers
• Weight: 6 pounds (2.72 kg)
• Manual References: GEH-6632, GEI-100456
• Country of Origin: USA

Signal Processing

• Receives 6 logic-level gate pulse signals from EMIO board
• Processes and distributes signals to EGPA boards
• Coordinates gate drive control for SCR firing
• Ensures precise signal timing and synchronization
• Maintains stable generator excitation regulation

System Integration

• Mounts in EX2100 control rack
• Connects to VME backplane via P1 and P2 connectors
• Interfaces with EMIO board for signal reception
• Distributes signals through six cable sets to EGPA
• Supports redundant control configurations

LED Status Indicators

• Power LED: Confirms board power supply status
• Active LED: Indicates board enabled by control signal
• Gating LED: Shows gate input activity from EMIO
• Real-time operational status monitoring
• Quick diagnostic capability for maintenance

Application Features

• Essential for SCR firing control in excitation systems
• Coordinates between control rack and power conversion cabinet
• Ensures accurate gate pulse signal transmission
• Supports generator electrical output regulation
• Critical for stable power system operation

Shipping Information

• Shipping Weight: 6 pounds
• Shipping Dimensions: 18" x 12" x 12"
• Available Conditions: New and Refurbished
• Common Revision: IS200ESELH3AAA
• Group Variation: 3 (Third ESEL board group)

Documentation

• Primary Manual: GEI-100456 (Product Specific)
• Secondary Manual: GEH-6632 (EX2100 Series Guide)
• Installation and integration procedures
• Troubleshooting and maintenance guidelines
• System configuration references

Frequently Asked Questions (FAQ)

• How many bridge drivers does it have? Six independent bridge drivers.
• What signals does it process? Gate pulse signals from EMIO to EGPA boards.
• What are the board dimensions? 33.02 cm high x 10.16 cm wide.
• What do the LED indicators show? Power, Active, and Gating status.
• What manuals are available? GEI-100456 and GEH-6632.
• Is it available for purchase? Yes, both new and refurbished units in stock.

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