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- Warehouse: Spot
- Warranty： 365 days
- Quality: Original module
- Condition： New
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- Contact person: LI MING
- Contact number: +86 18059884790
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- E-mail: plc66@qq.com
ABB UFC718AE101 (HIEE300936R0101) Product Description
The UFC718AE101, part‑number HIEE300936R0101, is the Main Circuit Interface (MCI) board for ABB UNITROL 6000 generator excitation system and AC 800PEC high‑power converter platform. It acts as critical signal gateway between main control unit and thyristor power stacks. It processes gate trigger signals, samples voltage/current feedback, monitors power‑semiconductor status, and communicates over fiber‑optic links to achieve galvanic isolation from high‑power power circuits. This legacy board is end‑of‑production, used exclusively as spare‑part for existing power‑plant excitation retrofit and maintenance projects.
Product Features
- Dedicated main‑circuit interface board for UNITROL 6000 excitation and AC800PEC converter systems; handles thyristor gate pulse generation and feedback‑signal conditioning.
- Multi‑channel fiber‑optic communication, provides high‑voltage galvanic isolation, strong anti‑EMI capability for high‑power cabinet environments.
- On‑board high‑speed sampling for excitation voltage, excitation current, power‑device temperature and power‑unit fault status signals.
- Rich self‑diagnostic functions: monitors optical‑link quality, trigger‑circuit health, records fault codes and trip events for post‑failure troubleshooting.
- Subrack plug‑in card‑format for cabinet chassis installation; auxiliary 24 VDC power supply, IP20 protection grade.
- Hardware variant UFC718AE101; hardware revision must match original system configuration; direct substitution with UFC718AE01 needs firmware and project‑parameter validation before commissioning.
- Basic firmware pre‑loaded on board; project‑specific excitation parameters and logic configuration shall be downloaded via ABB excitation engineering tool after hardware replacement.
Application Scenarios
- Thermal / hydro‑power plant UNITROL 6000 generator excitation cabinet spare‑part replacement and overhaul projects.
- Industrial large synchronous‑motor excitation control systems built on ABB AC800PEC platform.
- Retrofit‑maintenance for existing installations with aging UFC718AE series interface hardware in power‑plants.
- Heavy‑industry metallurgical power‑generation auxiliary‑equipment excitation control‑rack signal‑interface subsystems.
Frequently Asked Questions
A1: They are different hardware revisions of the MCI main‑circuit‑interface board. Form‑factor is similar, but circuit layout and firmware requirements differ. Cannot swap directly; must cross‑check UNITROL 6000 project configuration and perform commissioning verification.
A2: No. Base firmware pre‑installed. Need to download generator‑specific excitation‑setting parameters and control‑logic configuration; perform static test and no‑load excitation commissioning before generator putting‑into‑service.
A3: Check fiber‑cable bending radius and end‑face cleanliness, 24 VDC auxiliary‑supply stability, connector pin integrity, main control‑board communication status and thyristor power‑stack hardware health.
A4: Mechanical hot‑swap supported. But UFC718AE101 handles critical excitation trigger and feedback signals. De‑energize related power strictly following power‑plant safety‑maintenance procedure before pulling‑out module, avoid generator excitation trip.
A5: Anti‑static wrist‑strap mandatory for servicing. Keep optical‑port faces dust‑free. Avoid mechanical‑shock impact. Store in dry low‑humidity environment; retain original anti‑static packaging for spare‑part preservation.
