Browsing by Author "Alammari, R. A."
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A Demodulation Technique For Power System Local Frequency And Voltage Measurements
Soliman, S.A.; Alammari, R. A.; Al-Kandari, M. A.; El-Hawary, M. E. ( Qatar University , 2003 , Article)The demodulation technique of two complex signals is used to estimate the power system local frequency and voltage phasor. The first complex signal is generated from the three-phase voltage waveform by using the ... -
Fuzzy system applications for identification of weak buses in power systems
Alammari, R.A. ( King Fahd University of Petroleum and Minerals , 2002 , Article)In this paper a simple new algorit hm for identifying the weak buses in a power system for voltage stability study is presented. The proposed algorithm is based on fuzzy set theory. Two membership functions, one for voltage ... -
Long-term electric peak load forecasting for power system planning: A comparative study
Soliman, S.A.; Alammari, R.A.; El-Hawary, M.E.; Temraz, H.K. ( King Fahd University of Petroleum and Minerals , 2004 , Article)A comparative study between two static estimation algorithms, namely least error squares (LES) and least absolute value (LAV) algorithm was presented. The proposed algorithm used the past history data for the load and the ... -
The Voltage Collapse Problem Based On The Power System Loadability
Alammari, R. A. ( Qatar University , 1997 , Article)This paper addresses the problem of voltage instability at which the power system reaches its maximum admissible load. A voltage collapse proximity indicator (VCPI) is derived and its performance is investigated. The VCPI ... -
Voltage Stability Margin Identification Using Local Measurements And Linear Kalman Filter
Alammari, R. A. ( Qatar University , 2002 , Article)Voltage stability investigation is of a great importance for long-term electric load expansion as well as power system operation. This paper presents a new algorithm for identification of voltage instability in a specified ...