Product Description
GE DS3800NB1A is a power regulator board for the Speedtronic Mark IV turbine control system, a core power conditioning card for GE gas turbine control racks. It is discontinued and a critical spare part for legacy turbine units worldwide. This board converts, filters and stabilizes raw rack power, supplying clean multi-channel DC voltage to CPU main boards, digital I/O boards and trip logic circuits. It supports TMR triple modular redundancy architecture, suppresses voltage ripple and prevents false trips and abnormal sensor alarms caused by power fluctuation. It is an essential power component for Frame 5/6/7/9E gas turbine control assemblies.
Technical Parameters
- Brand: GE (General Electric)
- Model: DS3800NB1A
- Series: Speedtronic Mark IV (DS3800 range)
- Product Type: Power Regulator Board
- Compatible System: Mark IV gas & steam turbine control system
- Architecture: TMR triple modular redundancy (R/S/T channels)
- Input: Raw rack DC power
- Output: Multiple regulated isolated DC supplies for main control, I/O and protection logic
- Functions: Voltage conversion, filtering & regulation, over/under voltage protection, power distribution
- Backplane Bus: 6BA02
- Mounting: Slot mount inside control rack
- Operating Temperature: 0℃ ~ +60℃
- Protection Class: Bare PCB IP20, installed inside cabinet
- Matching Boards: DS3800DMPA main CPU, DS3800HIDC digital I/O, DS3800NCAA power accessory board
- Lifecycle: Discontinued, spare replacement for power plants and gas turbines
Application
- GE Frame 5, Frame 6, Frame 7, Frame 9E gas turbine Mark IV control systems;
- Combined cycle and CHP plant gas turbine control rack power supply;
- Power regulation for steam turbine and generator excitation control logic;
- Power backup for emergency shutdown (ESD) trip protection circuits;
- Spare replacement for gas turbines in oil, gas and chemical captive power plants;
- Power fault rectification and spare inventory for ageing Mark IV installations.
Similar Series Models
DS3800NCAA, DS3800NGRA, DS3800NPSJ, DS3800NPDA, DS3800NBFA1A1A
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