GE DS3800NSQE

¥999.00

The DS3800NSQE is a power supply/converter board from GE’s Speedtronic Mark IV/V turbine control series. This model belongs to the “NSQE” family—a supervisory control and quality enhancement power interface designed for system‑level power management with integrated power quality monitoring and enhancement features in advanced Mark IV/V applications. The “NSQE” suffix indicates a specialized hybrid board that combines power conversion with system monitoringpower quality analysisdiagnostic reporting, and supervisory control functions for critical turbine control systems. The DS3800NSQE provides regulated +5 VDC and ±15 VDC outputs while actively monitoring power quality parameters (voltage sag, surge, harmonics, transient events) and communicating detailed status to the main CPU. This board is typically installed in main control cabinets or advanced I/O racks where power quality monitoring is required for critical turbine control systems.

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Description

Technical Parameters

Parameter Specification
Input Voltage 125 VDC nominal (range 100–150 VDC); 24 VDC compatible with external adapter
Output Rails +5 VDC / 10A (main logic), ±15 VDC / 2A (each rail, analog circuits)
Isolation Full isolation (1.5kV input‑to‑output, 2.0kV output‑to‑ground)
Protection Overcurrent protection (adjustable per output via jumpers), short‑circuit protection, transient suppression (4kV), reverse polarity protection, input undervoltage lockout
Regulation Load regulation: ±0.3%; Line regulation: ±0.15%; Ripple: < 20mVpp (+5V), < 15mVpp (±15V)
Power Quality Monitoring Onboard power quality analysis engine for monitoring voltage sag, surge, harmonics, and transient events; event logging (2,000‑event buffer)
Monitoring 6 analog feedback channels (voltage and current monitoring for each output rail, plus input monitoring); 4 digital fault outputs (relay, 24V/1A) for system faults and power quality alarms
Digital Interface 4 digital inputs for external control; 6 digital outputs for system status indication
Operating Temperature –25°C to +60°C
Form Factor 6U × 6HP (30mm) – requires 1.5 slots
Backplane Connector Standard VME 96‑pin P1 + reinforced 60‑pin P2
Status LEDs 8 indicators: +5V OK (green), +15V OK (green), –15V OK (green), SYSTEM OK (green), FAULT (red), COMM ACTIVE (white), POWER QUALITY ALERT (orange), TRANSIENT DETECTED (red flash)
Certifications CE, UL 508, CSA Class I Div 2
Efficiency ~84% at full load

Critical note: The DS3800NSQE is a supervisory control and power quality enhancement interface. It is physically wider (6HP) than standard 4HP boards and requires 1.5 adjacent slots. Hot‑swapping is not supported.


Key Features & Advantages

  • Power Quality Monitoring – Onboard analysis engine for voltage sag, surge, harmonics, and transient events.

  • Event Logging – 2,000‑event buffer for power quality events.

  • Supervisory Control – Onboard microcontroller for diagnostic reporting and system health monitoring.

  • Comprehensive Monitoring – Six analog channels provide V+I monitoring for each output plus input.

  • Four Fault Relays – Separate fault indication for system faults and power quality alarms.

  • Full Isolation – 1.5kV isolation protects sensitive circuits.


Typical Application Cases

  • Main Control Cabinets – Provides power with integrated power quality monitoring.

  • Advanced I/O Racks – Powers racks requiring power quality analysis.

  • System Integration Projects – Used when power quality reporting is required for critical systems.


Selection Guidelines & Precautions

  1. Application Verification – Designed for integrated power management with power quality monitoring.

  2. Physical Compatibility – 6HP wide, requires 1.5 adjacent slots.

  3. Backplane Compatibility – Uses P1 and P2. If backplane lacks P2, power quality features unavailable.

  4. Thermal Derating – Full output to 50°C; derate to 90% at 50–55°C, 80% at 55–60°C.

  5. Spare Sourcing – Production ended in 2010. Request test report verifying outputs and power quality functions. Inspect for capacitor bulging or discoloration.

SCHNEIDER LC1D50M7C
п FW000
п FW221

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