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Frequency control of load swings

Electrical Engineering, 1942
The Consolidated Edison Company made a series of tests to determine the cause and extent of system load swings on generators and tie feeders. The results were reported in detail in a previous paper.1 An analysis of these tests indicated ways in which our load dispatching methods could be improved.
J. E. McCormack, R. J. Lombard
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Robust Load Frequency Control

IFAC Proceedings Volumes, 1989
Abstract It is highly desirable that any control system is not affected by modeling errors or parameter variations of a controlled object. This paper presents an application of a robust feedback control system to load frequency control of an interconnected power system. In the design of this control system, parameter variations in a controlled object
E. Tanaka, J. Hasegawa
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LOAD-FREQUENCY CONTROL WITH SHORT-TERM LOAD PREDICTION

IFAC Proceedings Volumes, 1987
Abstract This paper presents a LFC algorithm based on very short-term load prediction. The application of high order difference ARI(p.d) model fitting random load time series to the on - line very short - term load prediction is described. Linear combination of load disturbance prediction and frequency deviation are used as input signal of LFC.
Chen Tienxin, Peng Zhiyong
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Optimal Decentralized Load-Frequency Control

IFAC Proceedings Volumes, 1984
Abstract An optimal decentralized load-frequency control of a multi-area intercon-nected power system is developed. It features the optimal design of decentralized load-frequency controller, the observer for unmeasurable local states and load disturbances, and ttie quadratic estimator for discrete tie-line power flow information.
Young M. Park, Kwang Y. Lee
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Estimation and Prediction in Load frequency Control

2007 International Conference on Power Engineering, Energy and Electrical Drives, 2007
Many controllers designed for load-frequency control (LFC) in power system are based on the knowledge of system state, which is generally not measured. This paper presents a method for estimation of disturbance and system state in LFC. In power systems, measurement signals and control signals are transmitted over long distances between controller and ...
Petrović, Ivan   +2 more
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