KUC755AE106 ABB控制单元 励磁系统CPU模块

KUC755AE106 ABB控制单元 励磁系统CPU模块

(1)测量比较单元。测量发电机电压信号,将其按比例变换成直流电压信号,与给定直流电压进行比较，送出发电机电压偏差信号。为使并列运行的

各机组合理稳定地分担无功功率,应设置调差单元。

(2)综合放大单元。由综合放大环节、比例积分环节和适应器环节组成。综合放大环节将各种基本测量输出的、反馈和辅助限制生成的、以及稳定和

补偿反应的各种直流信号加以综合放大，输出给比例积分环节。比例积分环节按预定的调节规律进行加工后输出。适应器环节将信号电压经放大加

工成为移相控制信号电压以控制励磁电压。

(3)移相触发单元。接受综合放大单元的输出信号电压的大小，改变晶闸管触发控制角的大小,以控制励磁电压。

(4)稳压电源。把输入的交、直流电源变换成励磁调节器所需的、电压稳定的电源。对输入的交、直流电源要能适时自动切换。

KUC755AE106 ABB控制单元 励磁系统CPU模块

(1) Measurement and comparison unit. Measure the generator voltage signal, convert it into DC voltage signal proportionally, compare with the given DC voltage, and send the motor voltage deviation signal. For running side by side

In order to share the reactive power reasonably and stably, the differential adjustment unit should be set up.

(2) Comprehensive amplification unit. It is composed of a comprehensive amplification link, a proportional integration link and an adaptor link. The integrated amplification link combines various basic measurement outputs, feedback and auxiliary limit generation, as well as stability and stability

All kinds of DC signals of compensation reaction are amplified comprehensively and output to the proportional integration link. The proportional integration link is processed and output according to the predetermined regulation law. The adaptor link amplifies the signal voltage

The phase shift control signal voltage controls the excitation voltage.

(3) Phase shift trigger unit. The output signal voltage of the integrated amplifier unit is accepted, and the trigger control Angle of the thyristor is changed to control the excitation voltage.

(4) Regulated power supply. The input AC and DC power supply is converted into the voltage stable power supply required by the excitation regulator. The input AC and DC power supply should be able to switch automatically in a timely manner.

KUC755AE106 ABB控制单元 励磁系统CPU模块