ABB UFC765AE102 3BHE003604R0102 Full Set | UNITROL / ACS Medium Voltage Drive Core Controller Board-Guangzhou Qiming Automation Technology Co., Ltd.

Description

Product Overview:

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ABB UFC765AE102 3BHE003604R0102 full kit is a complete turnkey core control PCB solution customized for synchronous generator excitation systems and high-power medium voltage converters, covering all supporting hardware accessories required for cabinet installation and on-site commissioning. The core UFC765AE102 main board features advanced DSP+FPGA dual-core hardware architecture with a main frequency up to 200MHz, realizing ultra-short control cycles: 50μs voltage regulation loop, 25μs field current loop and 5ms PSS oscillation suppression loop, meeting IEEE 421.2 Class 1 high-precision excitation performance standards.

It integrates 16-channel 16-bit high-precision differential analog synchronous sampling with a sampling rate of 20kHz per channel, and outputs 12-channel high-resolution double pulse trigger signals to drive thyristor rectifier bridges up to 6000A/1500V rating. Four independent fiber DDCS optical interfaces ensure noise-free high-speed data interaction with power rectifier units, while onboard Ethernet and dual RS485 terminals support Modbus TCP/RTU for seamless connection with plant DCS, SCADA and remote monitoring platforms.

Comprehensive embedded control and protection functions cover constant voltage (AVR), constant field current (FCR), constant power factor and constant reactive power bumpless switching; built-in V/Hz overexcitation limiter, max/min field current limit, stator overcurrent protection, PT broken line interlock, power cabinet current sharing monitoring and overheat protection. The integrated PSS2B/PSS4B wide-band power system stabilizer can attenuate 0.1–2Hz grid low-frequency oscillation within 3 power cycles, improving grid stability for grid-connected generators.

A 128MB non-volatile Flash memory stores up to 120-second Comtrade-format fault wave recording data with millisecond timestamps for post-failure analysis. The board supports dual UFC765AE102 hot standby redundant configuration with undisturbed switching time less than 3ms, ideal for zero-outage critical power plants. Full conformal coating and 2500V AC isolation for all signal channels deliver outstanding resistance to moisture, salt mist, dust and industrial electromagnetic interference. The matched CMT1000/DriveWindow commissioning software provides one-click auto-tuning for AVR and PSS parameters, cutting field debugging time by over 60% compared with traditional analog control boards. The complete kit includes main control PCB, fiber communication cables, signal terminal blocks, power adapter connectors and printed user manual for direct rack mounting without extra accessory procurement.

UFC765AE102 3BHE003604R0102

Complete Technical Parameters:

Processor & Real-Time Control Performance

Core Architecture: 32-bit Floating-point DSP + FPGA Dual-core, 200MHz main frequency
Single Instruction Cycle: 5ns high-speed computing
Voltage Control Loop Cycle: 50μs
Field Current Control Loop Cycle: 25μs
PSS Power Stabilizer Control Cycle: 5ms
Analog Sampling: 16 differential input channels, 16-bit ADC, 20kHz synchronous sampling rate per channel
Trigger Output: 12-channel double pulse signals, 1.4μs trigger resolution
Control Modes: AVR / FCR / Constant PF / Constant VAR, bumpless switchable
PSS Model: IEEE PSS2B, PSS4B, wide-frequency PSS4C optional

Communication Interfaces

Fiber Optic DDCS: 4 independent optical fiber channels
Ethernet RJ45: Modbus TCP/IP
Isolated RS485 ×2: Modbus RTU, Profibus DP
Front Debug Port: Local parameter download & real-time monitoring
Port Isolation Grade: ≥2500V AC full channel electrical isolation

Power & Storage

Auxiliary Power Input: ±15VDC 0.5A, +5VDC 1.2A (supplied by system backplane)
Non-Volatile Memory: 128MB Flash, no battery backup required
Fault Recording: Max 120s Comtrade format wave recording, millisecond timestamp logs
Fault Log Capacity: 1000+ historical operation & fault event records

Mechanical & Environmental Specifications

Installation: Standard ABB rack backplane plug-in modular design
Overall Dimension: 270mm × 210mm × 45mm
Single Board Net Weight: 1.27kg; Full Kit Total Weight: 1.85kg
Continuous Operating Temperature: -40℃ ~ +80℃
Storage Temperature: -40℃ ~ +85℃
Ambient Humidity: 5%–95% non-condensing
PCB Protection: Full conformal coating against dust, moisture, salt mist & corrosive gas
EMC Compliance: IEC 61000-4 series, ESD ±8kV contact / ±15kV air discharge
Certifications: CE, UL, RoHS, SIL2 functional safety certified
MTBF: ≥100,000 hours industrial-grade reliability

Compatible Equipment & Matching Software

Excitation System Match: ABB UNITROL 5000 / UNITROL 6000 series generator AVR systems
Medium Voltage Drive Match: ABB ACS6000, ACS800 high-power converters, EAF electric arc furnace control cabinets
Upper DCS Compatibility: ABB Symphony Plus, AC800M, System 800xA control platforms
Official Commissioning Tools: CMT1000 Excitation Debug Software, DriveWindow Drive Parameter Tool

UFC765AE102 3BHE003604R0102

Main Features & Competitive Advantages:

Core Features

Dual DSP+FPGA high-speed independent computing architecture, ultra-short control cycle for fast generator voltage response
Integrated multi-model PSS power system stabilizer, effectively suppress grid low-frequency oscillation for grid-connected units
4-channel fiber DDCS noise-free communication, completely isolate power side high voltage interference
Dual-unit hot standby redundant support,<3ms bumpless master-slave switching for critical power plant zero downtime
16-channel high-precision synchronous analog sampling, accurate real-time acquisition of generator terminal signals
Comprehensive built-in protection & limit logic, full coverage of generator and grid fault working conditions
128MB large-capacity fault wave recording storage, Comtrade standard data for convenient post-failure analysis
Full conformal coated PCB + 2500V all-channel isolation, superior harsh environment adaptability
One-click adaptive auto-tuning algorithm, automatically optimize AVR/PSS gain to shorten field debugging time
Standard ABB UFC700 series spare part, fully interchangeable with all batches of 3BHE003604R0102 modules

Key Advantages

All-in-one Complete Kit: Pre-matched fiber cables, terminal blocks and manuals, one-stop procurement reduces accessory matching workload
Ultra-Fast Dynamic Response: Meet IEEE top-class excitation performance standard, minimal voltage fluctuation during generator load sudden change
Strong Grid Adaptability: Built-in multi-band PSS and FRT low voltage ride-through logic, compliant with global mainstream power grid codes
Long Service Life: Industrial-grade components + anti-corrosion conformal coating, stable operation in offshore, mine and high-temperature metallurgy workshops
Low Maintenance Cost: Built-in self-diagnosis LED indicators and complete fault recording, fast positioning without complex testing equipment
Wide Compatibility: Perfect match for ABB mainstream excitation and medium voltage drive products, ideal for old equipment retrofit replacement
Remote Monitoring Ready: Multi-protocol Ethernet/RS485 communication, easy access to unattended power station SCADA system
Safety Certified: SIL2 functional safety, CE & UL certified, meets export standards for overseas energy and metallurgy projects

Application Fields:

Power Generation Industry

Thermal / Hydro / Pumped Storage Power Plant UNITROL excitation system core control
Grid-connected synchronous generator voltage regulation and oscillation suppression
Distributed energy, biomass & gas turbine genset excitation cabinet renovation

Renewable Energy

Offshore onshore wind turbine medium voltage converter control
Energy storage station grid-connected converter signal processing & logic control

Metallurgy Industry

Electric Arc Furnace (EAF) ACS6000 medium voltage drive core control board
Rolling mill, hoist large synchronous motor excitation & speed regulation control

Mining & Heavy Industry

Mine main fan, conveyor medium voltage variable frequency drive system
Large synchronous motor power factor closed-loop control for mineral crushing equipment

Oil & Offshore Engineering

Offshore platform independent power generator excitation control
Pipeline compressor high-power medium voltage converter cabinet core module

Industrial Automation Retrofit Projects

Replacement of aging main control boards for original ABB UNITROL excitation systems
Upgrade transformation of old analog excitation cabinets to digital high-precision control

Marine Power System

Vessel main synchronous generator digital AVR core control unit

FAQ:

Q1: What components are contained in ABB UFC765AE102 3BHE003604R0102 complete kit?

A1: The full set includes original UFC765AE102 main control PCB (3BHE003604R0102), matched DDCS fiber optical cables, signal isolation terminal adapters, backplane power connection accessories and official printed operation & commissioning manual, all parts ready for direct rack installation.

Q2: Which ABB systems can UFC765AE102 be applied to?

A2: It serves as core control unit for UNITROL 5000/6000 generator excitation AVR systems, ACS6000/ACS800 medium voltage converters and electric arc furnace EAF control cabinets; also compatible with Symphony Plus and AC800M DCS platforms.

Q3: Does this board support redundant hot standby operation?

A3: Yes. Dual UFC765AE102 modules can form master-slave redundant configuration, with bumpless switching time less than 3ms when the main board fails, guaranteeing uninterrupted generator operation for critical power stations.

Q4: What PSS functions are built into UFC765AE102?

A4: Integrated IEEE standard PSS2B, PSS4B and wide-frequency PSS4C stabilizer models, which can quickly attenuate 0.1–2Hz grid low-frequency oscillation and improve grid-connected generator stability.

Q5: What communication methods does the module support?

A5: 4 independent DDCS fiber optic interfaces, Ethernet Modbus TCP, dual isolated RS485 Modbus RTU/Profibus DP, realizing noise-free high-speed communication with power units and upper DCS/SCADA.

Q6: What is the working temperature range of UFC765AE102?

A6: Continuous stable operation from -40℃ to +80℃, storage temperature range -40℃ ~ +85℃, suitable for cold northern hydropower stations, tropical offshore platforms and high-temperature steel plants.

Q7: Is the PCB protected against harsh industrial environments?

A7: The whole PCB adopts full conformal coating technology, with 2500V AC isolation for all signal channels, effectively resisting dust, moisture, salt mist and strong electromagnetic interference on site.

Q8: What commissioning software is used for parameter tuning?

A8: Official ABB CMT1000 for excitation system parameter configuration and auto-tuning; DriveWindow for ACS medium voltage drive debugging, both support real-time curve monitoring and fault log export.

Q9: Does the board have fault recording function?

A9: Equipped with 128MB non-volatile Flash storage, supports up to 120 seconds Comtrade-format fault wave recording with millisecond timestamps, convenient for post-failure equipment fault analysis.

Q10: Can UFC765AE102 replace old versions of the same model directly?

A10: Fully plug-and-play interchangeable. The part number 3BHE003604R0102 is unified standard version, no program modification or wiring adjustment needed when replacing old UFC765AE102 boards.

Do you provide global shipping services?

Yes. We have local distribution centers on all continents, which can quickly transport parts to any corner of the world.

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