DS200LPPAG1A Line Protection Card

Overview

Place of Origin:	USA
Brand Name:	GE
Model Number:	DS200LPPAG1A
Packaging Details:	Original new Factory Sealed
Delivery Time:	5-7 days
Payment Terms:	T/T
Supply Ability:	In stock

Specifications

Description

DS200LPPAG1A is a Line Protection Card manufactured and designed by General Electric as part of the EX2000 Series used in GE Excitation turbine control systems. It has 2 terminal blocks with 3 terminals each and 7jumpers. JP1 through JP7 are the numbers assigned to the jumpers.

Applications

Power Industry (Main Applications):

Grid Protection: Continuously monitors transmission line anomalies (such as short circuits, overcurrents, or voltage instability) to prevent these faults from affecting turbine operation.

Fault Isolation: When a line-to-ground fault or overload is detected, the LPPA board sends a signal to disconnect the affected line, preventing power surges from damaging generators, transformers, or other critical equipment.

Grid Synchronization: Assists in ensuring turbine output remains synchronized with grid frequency/voltage. If a significant deviation occurs, the board can quickly disconnect the turbine from the grid.

Heavy-Duty Drive Systems (EX2000 Series):

In Motor Control Centers (MCCs) of large factories.

FUNCTIONS

1. Monitoring Power Lines: In power generation systems, turbines are connected to the grid or other power systems via transmission lines.The Line Protection Card continuously monitors the power lines for any abnormal conditions, such as short circuits, overcurrent, or voltage instability, that could negatively impact turbine operation.

2. Fault Detection and Isolation: The card detects faults like line-to-ground faults, short circuits, or overloads, which can harm the turbine's generator or connected equipment. Once a fault is identified, the Line Protection Card sends signals to disconnect the affected power line, preventing the turbine from experiencing electrical surges or damage from faults.

3. Preventing System Instability: In a turbine control system, maintaining stable voltage and frequency is essential. Faults in the power line can disrupt this stability. The Line Protection Card helps ensure that any fluctuations or fault conditions in the power supply are detected early, allowing for automatic shutdown or isolation of the turbine to prevent system instability.

4. Grid Synchronization: The protection card also helps with the synchronization between the turbine's output and the grid. If there is a significant deviation in the grid's voltage or frequency, it can harm the turbine or the generator. The Line Protection Card ensures that the turbine can be decoupled from the grid if necessary, preventing damage due to out-of-sync operation.

5. Integration with Turbine Control Systems: The Line Protection Card works in conjunction with other components of the turbine control system, such as governors, excitation systems, and relays. It coordinates protection responses to avoid damage not just to the turbine but to other critical components in the power generation system, including transformers and circuit breakers.

6. Communication and Diagnostics: Line Protection Cards often have communication capabilities, allowing them to send real-time fault data to centralized control systems or operators. This feature enables predictive maintenance, where operators can identify potential issues before they lead to major failures, and it ensures that corrective actions can be taken promptly.

FREQUENTLY ASKED QUESTIONS

Q: What is a DS200LPPAG1A Line Protection Card?

A: A Line Protection Card is a protective device used in turbine control systems to monitor and protect electrical lines connected to turbines from faults such as short circuits, overcurrent, or voltage instability. It ensures that the turbine and connected equipment remain safe by disconnecting the affected circuit in the event of a fault.

Q: Why is a DS200LPPAG1A Line Protection Card important for turbines?

A: A Line Protection Card is crucial for turbines because it helps detect and isolate faults in the power lines, preventing damage to turbine generators, transformers, and other critical equipment. It ensures stable and safe operation by preventing electrical surges and instability from affecting turbine performance.

Q: How does a DS200LPPAG1A Line Protection Card work in a turbine control system?

A: The Line Protection Card continuously monitors electrical parameters like voltage, current, and frequency. If it detects abnormalities such as overcurrent, short circuits, or voltage fluctuations, it sends a signal to disconnect the affected power line, protecting the turbine and preventing further system damage.