GE DS3800NGDD Card for DS3820NGDB Module

GE DS3800NGDD Card for DS3820NGDB Module

The primary purpose of the DS3800NGDD is to serve as a key component of a ground fault detection system. In electrical circuits, a ground fault occurs when a live wire accidentally contacts the earth or a grounded object. This can lead to equipment damage and create a safety hazard. The DS3800NGDD assists in detecting these faults by:

  • Monitoring Circuits: It continuously monitors the electrical circuits for any leakage or unbalanced current that would indicate a path to the ground.
  • Providing a Signal: It works with the DS3820NGDB module, which injects a low-frequency AC signal into the field circuit. The DS3800NGDD then detects any return signal that indicates a ground fault.
  • Signaling Alarms: When a ground fault is detected, the module triggers alarms, communicates with the main control system, and activates onboard LED indicators for real-time fault status.
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الوصف

The GE DS3800NGDD is a Ground Detector Card used in the GE Speedtronic Mark IV series of turbine control systems. It is a legacy component that works in conjunction with the DS3820NGDB Field Ground Protection Module to detect and monitor ground faults.

 

Function and Purpose

 

The primary purpose of the DS3800NGDD is to serve as a key component of a ground fault detection system. In electrical circuits, a ground fault occurs when a live wire accidentally contacts the earth or a grounded object. This can lead to equipment damage and create a safety hazard. The DS3800NGDD assists in detecting these faults by:

  • Monitoring Circuits: It continuously monitors the electrical circuits for any leakage or unbalanced current that would indicate a path to the ground.
  • Providing a Signal: It works with the DS3820NGDB module, which injects a low-frequency AC signal into the field circuit. The DS3800NGDD then detects any return signal that indicates a ground fault.
  • Signaling Alarms: When a ground fault is detected, the module triggers alarms, communicates with the main control system, and activates onboard LED indicators for real-time fault status.

 

Technical and Design Features

 

The DS3800NGDD is a robust, industrial-grade circuit board designed to operate in a demanding environment.

  • Legacy Part: The “DS3800” prefix indicates that it belongs to the legacy Mark IV series.
  • Components: The board contains a variety of components, including capacitors, transistors, integrated circuits, and a blue potentiometer for fine-tuning.
  • Connectors and Test Points: It features multiple connectors for seamless integration with other system components and various test points for diagnostics and troubleshooting.
  • Physical Features: The card has a modular design for easy installation and removal, with a black plastic female connector on one end and two retention levers on the other. It also features a trimmer resistor that is adjustable via a screw on the top.

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