GE L54E1402AY00 – Overview
GE L54E1402AY00 is an industrial EGT printed circuit board (PCB) used in GE / GEC Alsthom gas-turbine excitation and control systems. It belongs to the L54 series of excitation cards widely used in turbine generator control cabinets and AVR systems.
Basic Identification
- Part number: L54E1402AY00
- Type: Printed Circuit Board (PCB) / Control Card
- System family: GE / GEC Alsthom EGT excitation & turbine control platform
- Typical condition on market: New surplus / refurbished / repairable
This card appears in spare-parts lists together with other excitation cards such as L54E1403, L54E1407, L54E1410, L54E1421, etc., confirming it belongs to the same excitation control rack ecosystem.
Main Function
The L54E1402AY00 PCB is typically used inside gas turbine generator excitation cabinets and performs signal processing and control tasks within the EGT system.
Typical functional roles include:
- Signal conditioning and processing for excitation control
- Interface between excitation modules and control rack
- Monitoring and regulation support within AVR/EGT systems
- Ensuring stable generator voltage and turbine operation
These boards are critical components in power plant turbine control, where high reliability and continuous operation are required.
Typical Applications
This PCB is commonly found in:
- Gas turbine generator excitation systems
- Power plant turbine control cabinets
- Generator voltage regulation systems (AVR)
- Industrial power generation and heavy energy plants
These systems require stable excitation control to maintain generator output and grid stability.
Repair / Replacement Market Info
- Available as refurbished or repair service units with diagnostics and board-level repair.
- New surplus listings exist in the industrial spare-parts market.
Because many GE excitation systems remain in long-term service, spare boards like this are often sourced through surplus and repair channels.
Key Advantages
- Designed for continuous operation in harsh industrial environments
- High reliability for turbine and generator safety systems
- Compatible with multiple L54 excitation cards and racks
- Long lifecycle support through repair and refurbishment
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