EN
- Overview
- Specifications
- Description
- Applications
- Oscillator Configuration
- Leakage Current Sensing
- FREQUENTLY ASKED QUESTIONS
- Recommended Products
Overview
Place of Origin: |
USA |
Brand Name: |
GE |
Model Number: |
DS3800NGDC1A1A |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
5-7 days |
Payment Terms: |
T/T |
Supply Ability: |
In stock |
Specifications
|
Part Number: |
DS3800NGDC1A1A |
|
Manufacturer: |
General Electric |
|
Series: |
Mark IV |
|
Product Type: |
Ground Detector Board |
|
Country of Manufacture: |
United States (USA) |
|
Dimensions: |
13.8 x 13.8 x 3 cm |
|
Weight: |
0.16 kg |
|
Connector: |
1 x male 3-pin header |
|
Test Points: |
6 |
|
Transistors: |
3 |
|
Integrated Circuits: |
4 |
|
Capacitors: |
Various types (including 600 V high-voltage film capacitors) |
Description
DS3800NGDC1A1A is a ground detector board manufactured and designed by General Electric.In the NGDC PC card, an oscillator plays a pivotal role in conjunction with a current sensing resistor (R4) to monitor and detect potential leakage currents from the field to ground. This arrangement is crucial for maintaining the integrity of the system.
Applications
Thermal and gas-fired power plants: As part of the Mark IV control system, it monitors the circuit status of GE frame series gas turbines and their associated generators.
Oil and gas facilities: Used in the power control systems of drilling platforms, liquefaction plants, and long-distance booster stations.
Heavy industrial manufacturing: Used in motor drives and automation control cabinets in steel mills and large chemical plants to prevent production interruptions or equipment damage caused by grounding faults.
Oscillator Configuration
1.The oscillator within the NGDC PC card is intricately configured to enhance its effectiveness in monitoring and detecting potential leakage currents. It is strategically connected through a current sensing resistor (R4) to the midpoint of attenuators associated with both the field and the module.
2.This strategic connection establishes a closed-loop system, with the opposite end of the oscillator grounded. This closed-loop design is crucial for creating a controlled environment that facilitates the accurate detection of leakage currents within the system.
Leakage Current Sensing
1.As the oscillator oscillates the 50 V through the attenuators, any leakage current from the field to ground induces a voltage across the sensing resistor (R4).
2.This design allows for highly accurate sensing of potential issues, especially at the central region of the field.
3.The meticulous placement of the sensing resistor enables the early detection of even minor leakage currents, contributing to the proactive maintenance of system integrity.
FREQUENTLY ASKED QUESTIONS
Q: What is DS3800NGDC1A1A?
A: It is a ground detector board manufactured and designed by General Electric.
Q: What is the purpose of the oscillator on the DS3800NGDC1A1A NGDC PC card?
A: The oscillator plays a key role in detecting leakage currents from the field to ground. It is connected through a current sensing resistor (R4) to the midpoint of attenuators linked to both the field and the module, enabling accurate monitoring.
Q: How is the oscillator connected within the system of the DS3800NGDC1A1A?
A: The oscillator is connected to the midpoint of attenuators, which are tied to both the field and the module. Its other end is grounded, forming a closed-loop system for precise leakage current detection.
Q: What is the significance of the oscillator inducing a 50 V potential across the attenuators of the DS3800NGDC1A1A?
A: By inducing a controlled 50 V potential across the attenuators, the oscillator enables accurate detection of leakage currents from the field, particularly at the center point, ensuring reliable monitoring and system safety.
