The ABB PFSA103D 3BSE002492R0001 is not an electric machine (like a motor or generator), but rather a field control module used within ABB’s industrial automation systems, specifically for controlling the excitation of synchronous machines (like synchronous motors and generators).
Product Name:
ABB PFSA103D Field Control Module
Product Description:
- The PFSA103D is a key component in excitation systems for synchronous machines. It regulates the field current of the machine, which is crucial for controlling voltage, reactive power, and stability.
- It’s designed to provide precise and reliable control in various applications, such as power generation, industrial drives, and marine propulsion.
- This module is part of ABB’s UNITROL 6000 excitation system platform.
Product Parameters and Specifications:
- Article Number: 3BSE002492R0001
- ABB Type Designation: PFSA 103D STU 32 ZONES
- Application: Excitation control for synchronous machines
- System: UNITROL 6000
- Communication: Supports various communication protocols (likely including Ethernet/IP, Modbus, TCP) for integration into control systems.
- Zones: 32 zones (This likely refers to the number of individual control or monitoring points within the module)
- Weight: Approximately 10 kg
- Country of Origin: Sweden
Product Use:
The PFSA103D is used in systems that require precise control of synchronous machines. Its main functions include:
- Voltage Regulation: Maintaining a stable voltage output from a synchronous generator or at the terminals of a synchronous motor.
- Reactive Power Control: Adjusting the reactive power output of a generator to support grid stability or to meet specific power factor requirements.
- Stability Enhancement: Improving the dynamic stability of the power system by quickly adjusting the field current in response to disturbances.
- Field Current Limiting: Protecting the field winding of the synchronous machine from overcurrent.
Applications:
- Power Plants: Controlling the excitation of synchronous generators in power generation facilities.
- Industrial Drives: Controlling large synchronous motors used in applications like pumps, compressors, and rolling mills.
- Marine Propulsion: Controlling synchronous motors used for ship propulsion.


ABB PFSA103D 3BSE002492R0001
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