UFC789AE 38HE014022P102 Excitation Control Board

Brand:ABB
Model:UFC789AE 38HE014022P102
Product status: New/used
Shipping place: Xiamen, China
Warranty: 365 days
Structural form: Other (specific form may vary depending on application)
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Details

UFC789AE 38HE014022P102 Excitation Control Board

Product manual:

UFC789AE 38HE014022P102 is an Excitation Control Board produced by ABB, mainly used for magnetic field (excitation) control of synchronous motors, generators, or large variable frequency drive systems. The following is a detailed technical analysis:

1. Basic product information
model: UFC789AE

Order number: 38HE014022P102 (ABB unique identifier)

Brand: ABB (leader in power and industrial automation)

Type: Excitation Control Board

Typical applications:

Magnetic field current regulation of synchronous motors/generators

Excitation unit of high-voltage frequency converter (such as ACS5000)

Power factor control of industrial drive systems (such as compressors, pumps)

2. Core functions
✅ Precise control of magnetic field current (PID regulation, ± 0.5% accuracy)
✅ Reactive power (VAR) compensation (for grid stability)
Automatic Voltage Regulation (AVR)
✅ Protection functions: overexcitation/underexcitation, out of step protection, magnetic field short circuit detection
✅ Communication interface: Supports Modbus, Profibus, or ABB specific protocols

3. Typical application scenarios
(1) Electricity generation and transmission distribution
Excitation control system for synchronous generators (thermal power/hydropower/nuclear power)

Voltage establishment during black start process of power grid

(2) Industrial Drive System
Large synchronous motor drive (such as compressors, rolling mills)

Excitation power management of high-voltage frequency converters (such as ACS5000)

(3) In the field of new energy
Rotor excitation control of doubly fed wind turbine generator

Dynamic reactive power compensation of photovoltaic inverter station