F31X158FFDACG1 GE Controller | New Original Surplus

Description

Product Introduction

This GE F31X158FFDACG1 is a field flash and de-excitation control board for GE’s excitation and power conversion control platforms. The “FFD” designation identifies this as a Field Flash/De-excitation board, providing essential functions for starting up and safely shutting down generator excitation systems.

The board controls the field flashing process during generator startup, applying initial DC current to the generator field to build voltage. It also manages the de-excitation process during shutdown or fault conditions, safely discharging the field energy. The board includes protection coordination and status monitoring for reliable operation in power generation applications.

Key Technical Specifications

Key Selling Points & Differentiators

• Field Flash Control: Provides controlled application of field current during generator startup, enabling voltage build-up.
• De-Excitation Management: Safely discharges field energy during shutdown or fault conditions, protecting the generator and excitation system.
• Protection Coordination: Coordinates with other protection devices during fault conditions.
• Quantified Testing Protocol: We test field flash control, de-excitation functions, and protection coordination under simulated conditions.
• Warranty & Support: 2-year functional warranty with application support.

Frequently Asked Questions (FAQ)

Q1: What is the purpose of field flash?

A: Field flash applies initial DC current to the generator field during startup to build up voltage. Once the generator reaches sufficient voltage, the AVR takes over regulation. The field flash function is essential for generator startup.

Q2: What is de-excitation and why is it important?

A: De-excitation safely discharges the energy stored in the generator field during shutdown or fault conditions. This protects the generator and excitation system from damage due to uncontrolled field discharge.

Q3: Does the FFDACG1 include protection coordination?

A: Yes, the board coordinates with other protection devices during fault conditions to ensure safe de-excitation.

Q4: Is the FFDACG1 compatible with other F31X series boards?

A: Yes, the board is part of the F31X series and is designed for integration with other boards in the series.

Q5: What is the lifecycle status of the FFDACG1?

A: This board is discontinued. We have a limited quantity of new surplus units. If your system requires field flash/de-excitation control, we recommend securing a spare.

EMERSON PSM-E20
ABB D674A906U01
FANUC A06B-6096-H116
GE UR8FH