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KUC711AE101 励磁控制器 ABB

KUC711AE101 励磁控制器 ABB 【产品详情】 电源:24V DC(15%)数字输入通道:16个输入类型:开关、传感器或其他数字输入信号电气隔离:通道隔离输入电压范围:0-30V DC输入电流范围:1 mA - 5 mA数字输出通道:16个ABB KUC711AE101 3BHB004661R0101 励磁控制器自并励静止整流励磁系统的励磁调节器是从半导体分立元件向集成化固体组件

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产品详情

KUC711AE101 励磁控制器 ABB 

KUC711AE101 3.jpg


 

【产品详情】

 

电源:24V DC(±15%)


数字输入通道:16个


输入类型:开关、传感器或其他数字输入信号


电气隔离:通道隔离


输入电压范围:0-30V DC


输入电流范围:1 mA - 5 mA


数字输出通道:16个

ABB   KUC711AE101 3BHB004661R0101  励磁控制器

自并励静止整流励磁系统的励磁调节器是从半导体分立元件向集成化固体组件、从模拟式向数字式方向发展的。国产装置可以划分为半导体模拟式励磁调节器、微机(含可编程控制器)数字式励磁调节器和混合式微机(含可编程控制器)模拟式励磁调节器等三大类。国产半导体励磁调节器于70年代初就有出口的记录。微机励磁调节器研制工作始于70年代末。

同步发电机的励磁系统在稳态或暂态过程中,都直接影响着发电机的特性。优良的励磁系统不仅可以保证高质量的电能、发电机运行的可靠性和稳定性,而且可以有效地提高发电机及其相关的电力系统的技术经济指标。

同步发电机在投入电网运行之前,要求其电压能维持在给定值,即发电机空载运行条件下,其励磁控制系统必须稳定运行。当发电机并入电网以后,就与电力系统史所有发电机组并联运行,因此要求发电机的励磁控制系统能对电力系统稳定运行产生有益的影响。如果在电力系统稳定计算中,如果忽略了励磁调节系统的作用则很难求得令人满意的结果。

除了稳定问题外,在运行中往往对励磁控制系统的动态性能指标和控制精度提出要求。电力系统设计规程对励磁控制系统的要求为:

稳定指标:幅值裕量m > 30 db ,相角裕量y > 50°;动态指标:超调量M。当〈15 为~30 为,调整时间t。< 10 s;控制精度:稳态误差e ( oo) < 1 %~~2%;

根据规程要求,应从稳定性、动态性能、稳态性能三个方面对励磁控制系统进行分析和设计。


 

KUC711AE101 励磁控制器 ABB 

KUC711AE101 3.jpg


 

英文介绍

 

Power Supply: 24V DC (±15%)


Digital input channels: 16


Input type: switch, sensor or other digital input signal


Electrical isolation: Channel isolation


Input voltage range: 0-30V DC


Input current range: 1 mA - 5 mA


Digital output channels: 16

ABB KUC711AE101 3BHB004661R0101 Excitation controller

The excitation regulator of self-shunt static rectifier excitation system develops from semiconductor discrete component to integrated solid component and from analog type to digital type. The domestic devices can be divided into three categories: semiconductor analog excitation regulator, microcomputer (including programmable controller) digital excitation regulator and hybrid microcomputer (including programmable controller) analog excitation regulator. Domestic semiconductor excitation regulators have been exported in the early 1970s. The development of microcomputer excitation regulator began in the late 1970s.

The excitation system of synchronous generator directly affects the characteristics of generator in the steady state or transient process. Excellent excitation system can not only ensure the high quality of electric energy, the reliability and stability of the generator operation, but also effectively improve the technical and economic indicators of the generator and its related power system.

Before the synchronous generator is put into power grid operation, its voltage is required to maintain at a given value, that is, the excitation control system must run stably under no-load operating conditions. When the generator is integrated into the power grid, it runs in parallel with all the generators in the history of the power system, so the excitation control system of the generator is required to have a beneficial effect on the stable operation of the power system. In the stability calculation of power system, it is difficult to get a satisfactory result if the role of excitation regulating system is ignored.

In addition to stability problems, dynamic performance indexes and control accuracy of excitation control systems are often required in operation. The requirements for excitation control system in power system design regulations are:

Stability index: amplitude margin m > 30 db, phase margin y > 50°; Dynamic indicator: overshoot M. If the value is < 15 to 30, adjust the time t. < 10 s; Control accuracy: steady state error e (oo) < 1% ~ ~2%;

According to the requirements of the regulation, the excitation control system should be analyzed and designed from three aspects: stability, dynamic performance and steady state performance.

KUC711AE101 励磁控制器 ABB 

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标签: KUC711AE101

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