ABB KUC755AE105 3BHB005243R0105 High Voltage Variable Frequency Board Excitation Control System Module

ABB KUC755AE105 (order number 3BHB005243R0105) is a high-voltage variable frequency board and a key module of the excitation control system.
Product Overview: It is the core control unit in ABB’s power electronics field, belonging to the excitation system dedicated module series, and is a key interface connecting the main controller and power unit.
Technical parameters: Input voltage supports 24V DC ± 20% (control power supply), and also supports 110V-380V industrial standard voltage (main circuit); It has a logical processing speed of 550 μ s, a program capacity of 300KB, and a data storage space of 200KB; Supports up to 4096 digital input/output (DI/O) or 2048 analog input/output (AIO).
Key function: Equipped with advanced pulse timing control algorithm, the timing accuracy of generated pulses reaches ± 1 μ s, and the pulse width can be programmed and configured within the range of 5-20 μ s. It supports driving 6 power devices simultaneously. At the same time, it has functions such as phase overvoltage protection and fuse fault monitoring, which can ensure the safe and stable operation of the excitation system and generator.
Communication interface: Equipped with RS-485 (Modbus RTU) interface, it can also expand EtherNet/IP, PROFIBUS-DP and other interfaces, making it easy to integrate with DCS, PLC, SCADA and other systems.
Application scenario: Can be used for high-voltage frequency converters, such as speed regulation of continuous casting machines in the metallurgical industry; It can also be used in excitation control systems, such as regulating the excitation current of synchronous generators in hydroelectric power plants; It can also be used for gate control, such as automatic opening and closing control of gates in drainage pump stations in urban flood control projects.