GE DS3800NPSF1D1D
- Product Name: GE DS3800NPSF1D1D Excitation / Power Supply Board
- Product Description: A core module in the GE Mark VI gas turbine control system, functioning as an excitation control and power supply board that delivers stable DC power to the excitation regulator and related I/O modules.
Detailed content
- Technical Specifications:
- Brand: GE
- Model: DS3800NPSF1D1D
- Module Type: Excitation / Power Supply Board
- Series: GE Mark VI Control System — DS3800 Series
- Installation: Mark VI control rack (Eurocard form factor)
- Communication: Interfaces with Mark VI CPU via VMEbus or Serial Highway backplane
- Working Temperature: 0°C to 60°C (industrial grade)
- Protection: Conforms to IEC 60068 environmental test standards
- Functional Features:
- Provides stable DC excitation power for precise generator excitation current control
- Power monitoring and protection: over‑voltage, under‑voltage, over‑current protection
- Cooperates with Mark VI CPU (DS200 series) to execute AVR (Automatic Voltage Regulator) functions
- Supports redundant configuration (hot standby switching in dual‑machine redundant systems)
- LED status indicators for real‑time module operation display
- Structural Characteristics:
- Standard Eurocard dimensions, compatible with Mark VI standard rack
- Front panel: LED indicators and test interface
- Rear: High‑density connector for backplane bus
- Conduction‑cooled design (no fans)
- Material Composition:
- PCB: FR‑4 glass‑epoxy, multi‑layer
- Connectors: High‑reliability pin‑and‑socket
- Housing: Aluminum alloy shielding enclosure
- Heat dissipation: Aluminum heat sink + thermal conductive silicone
- Working Principle:
- Receives input voltage from Mark VI main power module (typically DC 24 V or DC 48 V)
- Performs DC‑DC conversion to output stable excitation power
- Supplies the excitation regulator and associated I/O modules
- Application Scenarios: GE Mark VI gas turbine control systems, generator excitation control, power plants (gas/steam turbine generation), oil & gas facilities.
- Installation Requirements:
- Install in designated Mark VI control rack slot
- Ensure proper backplane engagement
- Conduction‑cooled — ensure adequate rack ventilation
- Qualified technician installation per GE Mark VI guidelines
- Usage Notes:
- Part of a redundant‑capable power architecture; coordinate with safety power modules (e.g., DS3800SPSF) when applicable
- Monitor LED status indicators for fault detection
- Do not operate outside 0°C to 60°C range
- Follow GE Mark VI maintenance and replacement procedures for excitation system modules












