3BHB045647R0003  IGCT  励磁控制器

3BHB045647R0003 ABB的励磁控制器是用于控制发电机励磁系统的设备。励磁系统的主要目的是为发电机提供所需的直流励磁电流，以建立并维持发电机磁场，从而控制发电机的输出电压和功率因数。3BHB045647R0003是ABB励磁控制器的一个具体型号或序列号，代表了特定的硬件配置和软件版本。

3BHB045647R0003励磁系统是指供给同步发电机励磁电流的电源及其附属设备的统称，主要包括励磁电源装置、励磁调节器和灭磁装置等部分。它的主要任务是向发电机的励磁绕组提供一个可调的直流电流，以满足发电机正常运行的需求。

3BHB045647R0003励磁系统一般由两部分组成：一部分用于向发电机的磁场绕组提供直流电流，以建立直流磁场，通常被称作励磁功率输出部分（或称励磁功率单元）；另一部分用于在正常运行或发生故障时调节励磁电流，以满足安全运行的需要，通常被称作励磁控制部分。励磁调节器可以根据输入信号和给定的调节准则控制励磁功率单元的输出，维持发电机端电压在给定范围内。

3BHB045647R0003励磁系统的技术性能及运行的可靠性，对供电质量、继电保护可靠动作、加速异步电动机自启动和发电机与电力系统的安全稳定运行都有重大影响。因此，励磁系统是发电机的重要构成部分，也是电站设备中不可缺少的部分。

3BHB045647R0003  IGCT  励磁控制器

3BHB045647R0003 ABB's excitation controller is a device used to control the excitation system of a generator. The main purpose of the excitation system is to provide the generator with the required DC excitation current to establish and maintain the generator magnetic field, thereby controlling the output voltage and power factor of the generator. 3BHB045647R0003 is a specific model or serial number of an ABB excitation controller that represents a specific hardware configuration and software version.

3BHB045647R0003 Excitation system refers to the supply of synchronous generator excitation current of the power supply and its auxiliary equipment, mainly including excitation power supply device, excitation regulator and magnetic device and other parts. Its main task is to provide an adjustable DC current to the excitation winding of the generator to meet the needs of the normal operation of the generator.

3BHB045647R0003 Excitation system is generally composed of two parts: one part is used to provide DC current to the field winding of the generator to establish a DC magnetic field, usually called the excitation power output part (or excitation power unit); The other part is used to adjust the excitation current during normal operation or failure to meet the needs of safe operation, and is usually called the excitation control part. The excitation regulator can control the output of the excitation power unit according to the input signal and the given regulation criteria, and maintain the generator terminal voltage within the given range.

The technical performance and operation reliability of the 3BHB045647R0003 excitation system have a significant impact on the quality of power supply, the reliable operation of relay protection, the acceleration of asynchronous motor self-start and the safe and stable operation of generators and power systems. Therefore, the excitation system is an important part of the generator and an indispensable part of the power plant equipment.