GE IS200EACFG1BAA EX2100E AC Feedback Board

GE IS200EACFG1BAA EX2100E AC Feedback Board

د.إ8,888.00

GE IS200EACFG1BAA AC Feedback Board (EACF) is a crucial printed circuit board used in the GE EX2100 Excitation Control System and is part of the Mark VI Speedtronic series.1

Its primary function is to provide the main control system with accurate feedback signals regarding the Alternating Current (AC) electrical parameters necessary for precise generator excitation control.2

⚙️ Core Functions and Applications

The EACF board is essential for maintaining the stability and efficiency of large synchronous generators by feeding critical data to the excitation controller:3

  • AC Voltage and Current Measurement: It measures the exciter Potential Power Transformer (PPT) AC supply voltage and the current supplied to the bridge.4 This measurement is critical for regulating the generator’s output voltage and reactive power.
  • Signal Conditioning: The board uses transformers to scale down the high-voltage/high-current signals from the field to a safe, measurable level for the control electronics.5 The G1 version, like the IS200EACFG1BAA, is typically configured for a nominal AC input voltage of 480 Vrms (+20%) at 50/60 Hz.6
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الوصف

The GE IS200EACFG1BAA AC Feedback Board (EACF) is a crucial printed circuit board used in the GE EX2100 Excitation Control System and is part of the Mark VI Speedtronic series.1

Its primary function is to provide the main control system with accurate feedback signals regarding the Alternating Current (AC) electrical parameters necessary for precise generator excitation control.2

⚙️ Core Functions and Applications

The EACF board is essential for maintaining the stability and efficiency of large synchronous generators by feeding critical data to the excitation controller:3

  • AC Voltage and Current Measurement: It measures the exciter Potential Power Transformer (PPT) AC supply voltage and the current supplied to the bridge.4 This measurement is critical for regulating the generator’s output voltage and reactive power.
  • Signal Conditioning: The board uses transformers to scale down the high-voltage/high-current signals from the field to a safe, measurable level for the control electronics.5 The G1 version, like the IS200EACFG1BAA, is typically configured for a nominal AC input voltage of 480 Vrms (+20%) at 50/60 Hz.6
  • Flux/Air Core Coil Inputs: It includes terminals for two Flux/Air core coils, which provide additional feedback signals, often with high-frequency noise reduction near the signal entrance point.7
  • Interface: It connects to the exciter backplane board (EBKP) and ultimately fans out to the main controllers (M1, M2, and C) through three DB9 connectors, enabling the control system to process the feedback data.8

🛠️ Technical Features

The H1BAA revision indicates a specific functional and artwork configuration within the EACF family:

Feature Details
System GE EX2100 Excitation Control System (part of Mark VI series)
Function Exciter AC Feedback Board
Nominal Voltage 480 Vrms (for G1 versions like this one)
Primary Components Contains transformers (typically at T2 and T3 positions) for voltage and current transformation.
Connectors Three DB9 connectors for cabling to M1, M2, and C controllers.
Coating Typically features a Normal PCB coating for standard industrial environments.

The precise and real-time feedback provided by the EACF board allows the EX2100 system to perform closed-loop control of the exciter bridge (SCR firing), ensuring the generator operates safely and efficiently on the grid.9

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