ABB XUD194 3BHE018137R0001 AC800PEC｜Performance Electronic Control｜

Core functionality
High speed power electronic closed-loop control
Implement PWM modulation, voltage/current closed-loop, reactive and active power control; It can directly perform algorithm calculations on IGBT and thyristor converters, with a control cycle of microseconds, and is the computing core of high-power converters.
Multi unit parallel collaborative control
By synchronously driving multiple sets of power units through the fiber optic PowerLink bus, high-power equipment can achieve current sharing and synchronous timing, suitable for multi module parallel systems. XUD194 is the model with the highest number of fiber optic links in AC800PEC.
High speed sampling and protection logic
Docking with high-speed I/O boards to collect grid voltage and current; Built in fast fault protection for overcurrent, overvoltage, DC bus, overheating, etc., with microsecond level fault response, achieving fast pulse blocking of the inverter.
Hybrid control architecture (high-speed+conventional logic)
High speed layer: variable current algorithm PWM、 Protection (Simulink modeling)
Conventional layer: Interlocking logic, human-computer interaction, alarm, communication (Control Builder M IEC program)
Two layers run on the same CPU, without the need for two sets of controllers.
System communication and DCS docking
Ethernet, fieldbus; Upload the operation data, faults, and measurement points of the inverter to 800xA; receive scheduling instructions (power setting, switching instructions).
Support redundant architecture
Configurable dual controller redundancy for fault free switching, used for critical uninterruptible power equipment.
Typical application cases
Case 1: Large capacity SVG static reactive power generator (100MVA and above)
Configuration: XUD194+multiple PEBB power units, parallel fiber optic bus
Working condition: Dynamic reactive power compensation and harmonic suppression in the power grid, requiring extremely fast current closed-loop response
Function: Multi power unit synchronization, current sharing control, fast tracking of power grid disturbances, completion of reactive power regulation, rapid protection and tripping of power grid faults.
Case 2: High power transmission | Rolling mill/metallurgical synchronous motor transmission
Configuration: AC800PEC-XUD194+ACS6000 medium voltage transmission power section
Working conditions: Rolling mill main drive, high-power synchronous motor, fast dynamic torque adjustment, multi motor shaft synchronization
Function: Motor vector control, torque closed-loop, excitation control, process interlock protection.