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GE IS200EDEXG1B De-Excitation Board | SCR Protection

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GE IS200EDEXG1B De-Excitation Bridge and Protection Board

System Protection Architecture

  • Primary Function: De-excitation bridge control and field protection
  • Operation Mode: Silicon-Controlled Rectifier (SCR) de-excitation
  • Backup Protection: Automatic activation if EXTB control fails
  • Energy Management: Field current flux and energy dispersion control
  • Location: Installed in auxiliary control cabinet

Power & Control Interface

  • Operating Voltage: 24 VDC power supply requirement
  • Control Source: EXTB board for primary power and control
  • Backup Activation: Independent de-excitation initiation capability
  • System Integration: Requires connection to EMIO and EXTB boards
  • Interface Type: Dual D-Pin connectors for system communication

SCR De-Excitation Mechanism

  • Trigger Method: SCR firing when conduction path required
  • Current Path: Field discharge inductor activation
  • Energy Dissipation: Controlled field energy dispersion
  • Overvoltage Protection: Automatic firing on voltage threshold exceedance
  • Breakover Diode: Gate-anode protection string for voltage regulation

Physical Specifications

  • Weight:0.77kg
  • Series Compatibility: Innovation Series and EX2100 systems
  • Documentation: GEH-6632 technical manual reference
  • Connector System: Two D-Pin connectors for system interface

Safety & Protection Features

  • Redundant Operation: Dual-control system reliability
  • Overvoltage Response: Automatic SCR firing on voltage surges
  • Field Protection: Comprehensive field energy management
  • System Integrity: Backup de-excitation during control failures
  • Voltage Monitoring: Continuous anode-gate voltage assessment

Application Integration

  • Control System: EX2100 excitation control integration
  • Board Dependencies: EMIO and EXTB board interconnections
  • Protection Coordination: Synchronized with overall system protection
  • Energy Management: Controlled field energy dissipation

Package Contents

  • IS200EDEXG1B De-Excitation Board
  • Configuration documentation
  • Installation guidelines
  • Technical specifications

Service & Support

  • 12-Month Warranty: Comprehensive coverage
  • Technical support availability
  • Installation assistance
  • Quality certification

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Original Source: https://www.nex-auto.com/
Contact: sales@nex-auto.com | +86 153 9242 9628

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