中文版
Description
ABB KUC711AE101 3BHBO04661R0101 Excitation controller
The excitation regulator of self-parallel excitation system is developed from semiconductor discrete component to integrated solid component and from analog type to digital type. Domestic devices can be divided into semiconductor analog mass magnetic regulator, microcomputer/including programmable control] digital excitation regulator and hybrid micro (including programmable control analog excitation regulator and other three categories, domestic semiconductor excitation regulator in the early 1970s have export records. The development of microcomputer excitation regulator began in the late 1970s. The excitation system of synchronous generator directly affects the characteristics of the generator in the steady state or transient process. An excellent excitation system can not only ensure the high quality of electric energy, the reliability and stability of the generator operation. And can effectively improve the technical and economic indicators of the generator and its related power system before the synchronous generator is put into the power grid operation, it is required that its voltage can be maintained at a given value, that is, the generator no-load operation conditions, its excitation control system must run stably. When the generator is integrated into the power grid, it runs in parallel with all the generator sets 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. It is difficult to get a satisfactory result if the role of excitation regulating system is ignored in the calculation of power system.
KUC711AE101
In addition to the stability problem, the dynamic performance index and control degree of the excitation control system are often required in external operation. The requirements of power system design rules for excitation control system are as follows: positive index: amplitude margin m >30 db Angle margin y> 50 Dynamic index: overshoot M when (15 is ~30 is, adjustment time t< 10 control degree stability error e(0)<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.
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