DS200LPPAG1A GE Line Protection Card

Condition:

Brand New & Original

Lead Time:

In Stock

Delivery Time:

5-7 Days

EXW Price:

$4000

Payment:

T/T, Full Payment Before Shipping

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Product Description Technical Download

Brief Introduction
Manufacturer	General Electric
Module/Order Number	DS200LPPAG1A DS200LPPAG1AA DS200LPPAG1ABA
Description	EX2100 ＆ EX2100e Line Protection Card
Country of origin	USA
Dimension & Net Weight	30x13x5cm, 0.5kg
Packing Weight	2kg
Function & Application
The DS200LPPAG1A is a line protection card utilized within the GE EX2100 excitation control system. It serves to interface the control system with the thyristor power units, providing reliable electrical isolation between the two. The DS200LPPAG1A protection card features a suite of built-in protection functions specifically designed for excitation systems, including overcurrent protection, overvoltage protection, fault detection, and ground fault protection. The trigger signals generated by the EX2100 control board are inherently low-amplitude; the DS200LPPAG1A protection card amplifies these weak signals into high-energy pulses, which are then used to trigger the power units within the excitation rectifier bridge and regulate the generator's excitation current. The protection card continuously monitors feedback signals from the rotor in real-time, transmitting this data promptly to the control system to facilitate generator voltage regulation and reactive power control. Furthermore, given the high-voltage and high-current characteristics inherent to excitation circuits, robust electrical protection and isolation are critical requirements. The DS200LPPAG1A protection card provides electrical isolation rated for several thousand volts and incorporates various protective features—such as overcurrent protection, overvoltage protection, and fault detection. Upon detecting a severe fault, the card works in conjunction with the control system to interrupt the trigger pulses and initiate an emergency shutdown within an extremely short timeframe. Application Cases and Experience Voltage Regulation for Heavy-Duty Gas Turbines: In large-scale combined-cycle power plants, grid frequency fluctuations can occur rapidly, necessitating a swift response from the excitation system. In such scenarios, the DS200LPPAG1A protection card is employed to rapidly convert commands from the control system into precise trigger pulses, thereby enabling the rapid adjustment of the excitation current. Pump Control for Pumped Storage Hydro Units: During the startup phase of the water pumps in pumped storage units, the excitation current undergoes drastic fluctuations, accompanied by significant harmonic interference. The DS200LPPAG1A protection card demonstrates exceptional resilience against such harmonic interference, accurately generating trigger pulses to drive the thyristor power units and ensuring a smooth, stable startup for the generating unit.
Other Information
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DS200LPPAG1A

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