





UUD148AE02 (spare part number 3BHE014185R0002) is a high-speed I/O and signal conditioning control card specifically designed for ABB UNITOL 6000/AC 800PEC excitation and power conversion systems, used for generator excitation, high-power conversion, and grid control scenarios.
Basic Information
Model: UUD148AE02
Spare part number: 3BHE014185R0002
Manufacturer: ABB
Applicable platforms: UNITOL 6000 excitation system, AC 800PEC controller
Functional positioning: high-speed signal acquisition, current/voltage closed-loop control, pulse triggering, and I/O expansion
Core parameters
Power supply: 24V DC (± 20%), low power consumption
Processing capability: microsecond level response, supporting high-speed closed-loop control
Interface: Fiber Channel (high-speed), isolated analog/digital I/O
Working temperature: -25 ° C to+55 ° C
Size/Weight: Standard card insertion, approximately 71 × 100 × 62mm/0.2kg
Certification: IEC 61508 (SIL), IEC 62443 (Network Security)
Main functions
Excitation system control: compatible with UNITROL 6000, achieving AVR automatic voltage regulation, excitation current closed-loop, and PSS power system stabilizer functions.
High speed signal conditioning: Collect high voltage side current/voltage sensor signals, isolate, filter, and amplify them for calculation by the main control unit.
High power converter control: used for pulse triggering and current/voltage closed-loop control of megawatt level frequency converters, SVG, STATCOM and other equipment.
High reliability and redundancy: Supports dual machine hot standby, power redundancy, communication redundancy, and seamless switching of critical systems.
Application scenarios
Power industry: excitation systems for thermal power/hydropower/gas turbine generators, power grid stabilization devices (PSS).
Industrial high-power transmission: variable frequency speed regulation and energy management for metallurgical rolling mills, mine hoists, and large motor drives.
Power quality control: high-speed control and protection of SVG, active filters, and energy storage converters (PCS).



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