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KUC711AE101 3BHB004661R0101 ABB Excitation Control Unit for Generator AVR Systems
  • KUC711AE101 3BHB004661R0101 ABB Excitation Control Unit for Generator AVR Systems
  • KUC711AE101 3BHB004661R0101 ABB Excitation Control Unit for Generator AVR Systems
  • KUC711AE101 3BHB004661R0101 ABB Excitation Control Unit for Generator AVR Systems
  • KUC711AE101 3BHB004661R0101 ABB Excitation Control Unit for Generator AVR Systems

KUC711AE101 3BHB004661R0101 ABB Excitation Control Unit for Generator AVR Systems

Place of Origin Sweden
Brand Name ABB
Certification COO & COC
Model Number OHYS2AJ 1SCA105296R1001
Product Details
Customer Courier A/C:
Yes – DHL/FedEx/UPS Account Accepted
Trade Terms:
EXW, DAP, FOB, CIF
Condition:
Brand New And Original
Packing Size:
350 Mm × 320 Mm × 80 Mm
Shipping Weight:
1.5kg
Shipping:
DHL (default) / FedEx / UPS / TNT / Air / Sea
Highlight: 

ABB excitation control unit

,

KUC711AE101 generator AVR system

,

3BHB004661R0101 spare part

Payment & Shipping Terms
Minimum Order Quantity
1
Price
$4394
Packaging Details
Brand new and original
Delivery Time
3-5 days
Payment Terms
T/T,Alipay,Paypal
Supply Ability
99+
Product Description

Product pictures

KUC711AE101 3BHB004661R0101 ABB Excitation Control Unit for Generator AVR Systems

Product Overview: ABB KUC711AE101 3BHB004661R0101

Parameter Specification
Manufacturer ABB 
Model KUC711AE101
Order Number 3BHB004661R0101
Product Type Excitation Control Unit (Gate Unit)

Application & Fault Scenarios

Typical Uses: Serves as the core excitation control unit in ABB static and indirect excitation systems for synchronous generators. Regulates field current to maintain stable generator terminal voltage or power factor. Widely deployed in hydroelectric, thermal, combined-cycle, and pumped-storage power plants, as well as marine propulsion, oil & gas platforms, traction systems, and mining truck applications. Supports current ranges from 20 A to 12,000 A.
Common Field Issues:
  • No gate output / generator fails to build voltage → verify auxiliary 24V DC supply is present; check fiber-optic trigger cable connections to thyristor bridge; confirm AUTO/MAN mode selection and PT (voltage transformer) feedback signal integrity.
  • Overvoltage or overcurrent trip → inspect desaturation protection settings; verify thyristor bridge health; check for grid disturbances or sudden load rejection events; review Modbus TCP alarm logs via Control Builder or SCADA.

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FAQ

Q1: What is ABB KUC711AE101 3BHB004661R0101?
A: The KUC711AE101 (3BHB004661R0101) is an ABB excitation control unit for synchronous generator AVR systems. It features AUTO/MAN dual-mode control, ±0.5% voltage regulation accuracy, Modbus TCP communication, and 4,000V lightning protection.
Q2: What is the difference between KUC711AE101 3BHB004661R0101 and KUC711AE01 3BHB004661R0001?
A: Both are excitation control units in the ABB KUC711AE series. The R0101 is a later hardware/firmware revision with updated firmware, improved EMC performance, and enhanced communication features. Verify compatibility before replacement.

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