General Electric DS3800NMEC1K1K
General Electric DS3800NMEC1K1K
General Electric DS3800NMEC1K1K
General Electric DS3800NMEC1K1K
General Electric DS3800NMEC1K1K
General Electric DS3800NMEC1K1K
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DS3800NMEC1K1K

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General Electric DS3800NMEC1K1K is a motor exciter control board used in the GE Mark IV turbine control platform. The board regulates excitation current and voltage while supporting stable generator operation and protection functions.
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Technical specifications for DS3800NMEC1K1K

  • Manufacturer:
    General Electric
  • Part Number:
    DS3800NMEC1K1K
  • Product Family:
    GE Mark V/VI Driver Board
  • Product Type:
    Motor Exciter Control Board
  • Stock:
    1
  • Input Voltage:
    24 – 48 VDC
  • Output Current:
    Maximum 5A continuous current
  • Voltage Regulation Accuracy:
    ±0.5%
  • Response Time:
    < 10 ms
  • Number of Chips:
    35 ICs (including ROM firmware)
  • Adjustment Element:
    1 0-100 field-adjustable knob
  • Signal Components:
    1 crystal oscillator, 10 transistors, approximately 100 resistors
  • Connection Interface:
    6 male connectors
  • Operating Temperature:
    0°C to 60°C
  • Operating Humidity:
    5% – 95% RH (non-condensing)
  • Weight:
    0.39 kg
  • Estimated shipping dimensions:
    29x26x3.7cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Application Scenarios Diagnostics Protection

Features:

  • Maintains stable generator output with ±0.5% voltage regulation accuracy and response time below 10 ms.
  • Features a robust hardware design with 35 integrated circuits, one crystal oscillator, ten transistors, and approximately one hundred resistors.
  • Supports efficient system coordination through six connector interfaces and compatibility with automatic voltage regulators and redundant excitation control arrangements.
General Electric DS3800NMEC1K1K belongs to the GE Mark IV control system family used in gas turbine and steam turbine applications. Excitation control is critical to maintaining stable generator voltage, making the board an important part of industrial power generation systems. Support for coordinated control and protection functions contributes to reliable operation throughout different process stages.

Designed for demanding environments, DS3800NMEC1K1K accepts 24 to 48 VDC input power and can supply continuous output current up to 5 A. Fast response characteristics and accurate voltage regulation help the system react efficiently to changing load conditions. Operating capability extends across temperatures from 0°C to 60°C and humidity levels of 5% to 95% RH without condensation.

Internally, General Electric DS3800NMEC1K1K combines firmware memory, discrete components, and signal-conditioning circuitry to support excitation management tasks. Six male connectors simplify connections with surrounding equipment, while the adjustable 0-100 control element allows field configuration. Such characteristics make DS3800NMEC1K1K suitable for automated generator and turbine systems requiring dependable excitation performance.

The DS3800NMEC1K1K General Electric Motor Exciter Control Board may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
General Electric DS3800NMEC1K1K Motor Exciter Control Board Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
General Electric DS3800NMEC1K1K Motor Exciter Control Board Specs

General

  • Manufacturer General Electric
  • Model DS3800NMEC1K1K
  • Condition New Original ready stock
  • Product Family DS3800NMEC1D1E,DS3800NMEC1G1H,DS3800NMEC1G1G
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Power Plant Turbines: Gas and steam turbine generator sets deployed in Mark IV systems.
  • Synchronous Motors: Responsible for starting and reactive power regulation of large industrial synchronous motors.
  • Upgrading: Replaces old-style excitation control boxes to achieve digital closed-loop current control.
  • Spare Parts Replacement: Used for emergency maintenance of key power units in large petrochemical and metallurgical industries.
  • Open Circuit Detection: Real-time monitoring of the integrity of the field winding and feedback loop.
  • Voltage Monitoring: Continuously tracking the potential status of control inputs and regulating outputs.
  • Status Indication: Providing hard-core fault diagnosis via onboard LEDs or bus.
  • Data Verification: Verifying the original microcode stored in the EPROM during startup.
  • Overexcitation Protection: Limiting continuous excitation current to prevent rotor winding overheating damage.
  • Forced Excitation Limitation: Strictly controlling the transient maximum current output time to avoid transient burnout.
  • Logic Lockout: Automatically locking the output when the control power supply is detected to be below 24VDC.
  • Overcurrent Fuse: Triggering hardware-level current cutoff when encountering a short circuit in the downstream load.
Description
General Electric DS3800NMEC1K1K serves as a motor exciter control board for the classic Mark IV gas turbine and steam turbine control system family. The board participates in automated control tasks for large industrial generator sets and turbine applications where stable excitation management is essential.

A major role of DS3800NMEC1K1K involves excitation current regulation. By adjusting generator excitation voltage and current with high accuracy, the board helps maintain stable output voltage throughout different operating conditions. Voltage regulation accuracy reaches ±0.5%, and response time remains below 10 ms, allowing rapid system adjustment.

Operational reliability is further enhanced through continuous monitoring of excitation winding conditions and protection limits. During startup, synchronization, normal operation, and shutdown sequences, DS3800NMEC1K1K contributes to smooth power transitions and improved process stability. Support for redundant excitation control arrangements also increases safety in demanding industrial environments.

From a hardware perspective, General Electric DS3800NMEC1K1K incorporates 35 integrated circuits including ROM firmware, one crystal oscillator, ten transistors, and approximately one hundred resistors. Six male connectors provide external interfaces, while a field-adjustable knob with a 0-100 range allows parameter adjustment. The board operates from 24 to 48 VDC and delivers up to 5 A of continuous output current under ambient temperatures between 0°C and 60°C with humidity levels from 5% to 95% RH, non-condensing.
Revisions

Revision Part #

Also known as

DS3800NMEC1D1E
DS3800NMEC1-D1E, Series D1E, Rev D1E
DS3800NMEC1D1C
DS3800NMEC1-D1C, Series D1C, Rev D1C
DS3800NMEC1H1H
DS3800NMEC1-H1H, Series H1H, Rev H1H
DS3800NMEC1G1H
DS3800NMEC1-G1H, Series G1H, Rev G1H
Alternative Names
DS38OONMEC1K1K DS3800NMECIKIK DS3800NMEC1D1E DS3800NMEC1D1C DS3800NMEC1H1H DS3800NMEC1D1D DS3800NMEC1F1D DS3800NMEC1G1G
Technical notes
The GE DS3800NMEC1K1K acts as a high-precision digital-analog hybrid motor exciter control board designed exclusively for Mark IV turbine systems, sustaining a maximum 5A continuous field drive current to ensure rapid transient response and robust magnetic field stabilization.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How does General Electric DS3800NMEC1K1K improve generator reliability?
Continuous monitoring of excitation winding status and protection limits helps maintain smooth transitions during startup, grid connection, operation, and shutdown.
Can DS3800NMEC1K1K work with redundant excitation configurations?
Support for redundant excitation control arrangements allows DS3800NMEC1K1K to enhance operational safety in industrial power systems.
Which voltage range supports General Electric DS3800NMEC1K1K?
General Electric DS3800NMEC1K1K operates with an input voltage range of 24 to 48 VDC.

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