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ABB UUD148AE02 – Generator Excitation Control Module
Product Overview
The UUD148AE02 is a dedicated generator excitation control module manufactured by ABB, with the part number 3BHE014185R0002. Tailored for power generation and industrial grid control systems, this professional module undertakes real-time monitoring and dynamic regulation of generator field current and terminal voltage. It effectively stabilizes generator operating status, solves voltage fluctuation and current deviation issues during unit operation, and provides reliable overvoltage, overcurrent and frequency deviation protection. Built with industrial-grade robustness, it supports long-term continuous operation in power plant and heavy industrial control scenarios.
Technical Specifications — UUD148AE02
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Parameter
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Value
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Product Model
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UUD148AE02
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Manufacturer
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ABB
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Product Type
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Generator Excitation Control Module
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Power Supply
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24VDC, max power consumption 1.5W
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Communication Protocol
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Standard DCS backplane bus, industrial dedicated protocol
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Operating Temperature
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0°C to +60°C
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Mounting Type
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Panel-mounted, embedded installation
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Dimensions (HxWxD)
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105mm × 60mm × 30mm
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Weight
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0.2kg
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Typical Interfaces
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4-20mA analog input, multi-channel digital signal interface
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Compliance
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IEC industrial standard, EMC electromagnetic compatibility certification
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ABB UUD148AE02
Key Features and Benefits
This excitation control module delivers high-precision signal acquisition with a precision of ±0.1% full scale, ensuring accurate real-time adjustment of generator excitation current. It integrates multiple protection mechanisms to effectively avoid equipment damage and grid instability caused by abnormal operating parameters, improving the overall safety of power generation units.
With a compact and lightweight structural design, the module supports flexible embedded installation in various control cabinets, adapting to diverse power generation equipment layouts. It features fast signal response speed and stable data operation, which can quickly respond to load changes and maintain generator output voltage stability. The optimized circuit structure enhances anti-interference ability, adapting to complex electromagnetic environments in power plants.
It maintains excellent compatibility with ABB power generation control systems, suitable for equipment renewal, system maintenance and technical upgrading projects. Its durable industrial-grade components extend service life, reduce equipment failure rates, and lower long-term operation and maintenance costs for power production systems.
Related Models
UUD148AE01: Basic version excitation control module with standard regulation functions for conventional generator units.
UUD152AE02: Enhanced excitation module with expanded signal channels for large-capacity power generation equipment.
3BHE019769R0001: Auxiliary signal acquisition module, supporting synchronous data collection for excitation control systems.
UUD136AE03: Grid voltage monitoring module, matched with excitation modules to realize integrated power system regulation.
Installation and Maintenance
Install the module on a standard control panel and fix it firmly to ensure stable terminal connection. Complete wiring according to standard circuit specifications, and conduct power-on inspection to verify normal signal communication and parameter display. Professional configuration software is used to set excitation parameters and protection thresholds to match actual generator operating requirements.
Daily maintenance includes regular cleaning of module surface dust and inspection of wiring terminals to prevent poor contact. Regular calibration of signal precision is recommended to ensure long-term control accuracy. The standardized structure allows quick replacement and debugging, effectively reducing system downtime and ensuring continuous and stable operation of power generation systems.
