GE DS2020FECNRP010A Field Exciter Module

GE DS2020FECNRP010A Field Exciter Module

GE DS2020FECNRP010A Field Exciter Module is a specialized power electronic circuit board assembly used in General Electric Mark V Speedtronic Turbine Control Systems and industrial drives.1 Its primary purpose is to provide and precisely regulate the Direct Current (DC) excitation to the field winding of a synchronous generator or motor.2

⚡ Core Function and Specifications

The module’s main role is critical for the stability, voltage, and reactive power control of the rotating machine.

  • Excitation Control: It is the power component that converts the AC input into a controlled DC current. By managing this DC current, the module precisely controls the strength of the magnetic field in the generator or motor’s field winding.
  • Voltage Regulation: This control is essential for maintaining the generator’s terminal output voltage at the required level and managing its reactive power (VAr) contribution to the grid.
  • Current Rating: The 010A in the part number indicates a Shunt Rating of 10 Amps.3 While the module can provide excitation for motor fields with amperages up to 24 Amps (Max Output), the shunt is rated at 10 Amps for current measurement.
  • Designation:
    • FECN stands for Field Exciter Control Non-reversing.4
    • NRP (Non-Reversing Power) indicates it is compatible with Plugging field supplies, where the current is briefly reversed for controlled, rapid deceleration.
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التصنيف:

الوصف

The GE DS2020FECNRP010A Field Exciter Module is a specialized power electronic circuit board assembly used in General Electric Mark V Speedtronic Turbine Control Systems and industrial drives.1 Its primary purpose is to provide and precisely regulate the Direct Current (DC) excitation to the field winding of a synchronous generator or motor.2

⚡ Core Function and Specifications

The module’s main role is critical for the stability, voltage, and reactive power control of the rotating machine.

  • Excitation Control: It is the power component that converts the AC input into a controlled DC current. By managing this DC current, the module precisely controls the strength of the magnetic field in the generator or motor’s field winding.
  • Voltage Regulation: This control is essential for maintaining the generator’s terminal output voltage at the required level and managing its reactive power (VAr) contribution to the grid.
  • Current Rating: The 010A in the part number indicates a Shunt Rating of 10 Amps.3 While the module can provide excitation for motor fields with amperages up to 24 Amps (Max Output), the shunt is rated at 10 Amps for current measurement.
  • Designation:
    • FECN stands for Field Exciter Control Non-reversing.4
    • NRP (Non-Reversing Power) indicates it is compatible with Plugging field supplies, where the current is briefly reversed for controlled, rapid deceleration.
Specification Detail
Product Series GE Mark V (DS2020 Family)
Product Type Field Exciter Module / Board
Shunt Rating 10 Amps
Maximum Field Output 24 Amps DC
Input AC Voltage $\mathbf{600 \text{ V AC}}$ ($\pm 10\%$)
Compatible Field Type Non-Reversing Plugging ($\mathbf{NRP}$)

⚙️ System and Technical Context

The board is a key component within the modular architecture of the Mark V system, providing both power conversion and a means for the control system to accurately measure the field current via the internal shunt. It is often equipped with jumpers (5$\text{JP}1$ through 6$\text{JP}7$) for customizable configuration.7

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