GE IS200EGDMH1ACB Exciter Ground Detector Module

Description

The GE IS200EGDMH1ACB is an Exciter Ground Detector Module designed for GE’s Mark VI turbine excitation systems. It monitors insulation integrity by detecting ground leakage currents in the generator field, helping prevent system faults and ensuring safe, continuous operation.

Specifications

• Model: IS200EGDMH1ACB
• System Compatibility: GE Mark VI Speedtronic
• Detection Capability: AC and DC field ground leakage currents
• Configuration Support:
  • Simplex: 1 module
  • Redundant: 3 modules (Controller, Master 1, Master 2)
• Mounting Style: Double-height, double-slot board
• Interface: Fiber-optic link to DSPX or EXAM controller boards
• Front Panel: LED indicators for Ground OK / Ground Fault
• Operating Voltage: ±250 VDC field excitation range
• Response Time: < 50 ms
• Isolation Rating: >1500 VDC from field to logic circuitry
• PCB Protection: Conformal coated for dust and humidity
• Operating Temperature: –40°C to +85°C
• Dimensions: 14 × 9 × 3.25 inches
• Weight: 0.8 kg

Features

• Fast Ground Fault Detection: Prevents insulation breakdown and equipment damage
• Redundancy Ready: Supports simplex and triple-module configurations for critical systems
• Fiber-Optic Communication: Ensures high-speed, interference-free signal transfer
• Robust Diagnostics: Onboard LEDs and system alarms for real-time fault monitoring
• Industrial Durability: Operates reliably in extreme temperature and humidity conditions
• Modular Integration: Fits seamlessly into Mark VI EPBP racks alongside EXAM and EPSM boards
• Global Deployment: Trusted in turbine-generator excitation systems across energy sectors