GE IS200EDISG1AAA EDIS Exciter Power Distribution Board

Product Description

The GE IS200EDISG1AAA (EDIS) is a central exciter power distribution board for the GE Speedtronic Mark VI / Mark VIe and EX2100e generator excitation systems. It serves as the main power hub inside the excitation cabinet, accepting redundant AC and 125VDC backup power inputs, then distributing conditioned power to EBRG bridge boards, EAUX interface boards, controller and I/O modules. Equipped with 5 bridge disconnect switches and branch fuses, it supports branch isolation and power fault monitoring, which is essential for stable excitation operation of turbine generator sets. It is a critical spare part for power plant excitation cabinet maintenance and retrofit.

Product Functions

• Converge multi-source redundant auxiliary power including AC supply and 125VDC battery backup
• Distribute regulated power to all internal EX2100e control, bridge and signal acquisition modules
• Independent branch protection via fuses and manual bridge switches for isolated maintenance
• Real-time detection of power loss, blown fuse and undervoltage faults, and feedback alarms to the main controller
• Surge filtering and power isolation to reduce interference in high-voltage excitation cabinet environments
• Standard rack plug-in design, direct drop-in replacement for EX2100e rack layout

Application Scenarios

• EX2100 / EX2100e excitation systems for gas turbine and steam turbine generator units
• Power plant synchronous generator AVR and excitation control cabinets
• Hydropower generator and large synchronous motor excitation control systems
• Petrochemical, mining and utility on-site power generation equipment
• Spare replacement and repair of existing GE Mark VI / Mark VIe excitation racks

FAQ