Ahmed Maytham (57 results)

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Taschenbuch. Condition: Neu. Neuware -The increasing demand for electricity and the emergence of smart grids have presented new opportunities for home energy management (HEM) systems for the purpose of reducing energy usage. With the deployment of smart meters, it is possible to perform load control using HEM system with DR enabled appliances. The objective is to develop an intelligent HEM system with DR enabled appliances considering, home occupancy, user comfort, and electricity price. Simulation models of four home appliances, namely, air conditioner, water heater, washing machine, and refrigerator were developed based on mathematical and measurement empirical models using the Matlab/Simulink software. In addition, hardware prototype smart sockets were designed and built to link the home appliances to the HEM controller. The intelligent HEM system can make accurate decision in scheduling and shifting the domestic load operation at the peak period by scheduling the electrical appliances at a specific time without affecting the comfort of customers. 172 pp. Englisch.…

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Taschenbuch. Condition: Neu. Energy Saving by Tackling Shaft Voltage in Turbine Generators | Saving Energy, Time, Money and Effort by Addressing Shaft Voltage Phenomena in a Turbine Generators | Maytham S. Ahmed (u. a.) | Taschenbuch | 108 S. | Englisch | 2014 | LAP LAMBERT Academic Publishing | EAN 9783659584527 | Verantwortliche Person für die EU: BoD - Books on Demand, In de Tarpen 42, 22848 Norderstedt, info[at]bod[dot]de | Anbieter: preigu.…

Taschenbuch. Condition: Neu. Intelligent Home Energy Management Systems | Concepts, Algorithms and Implementation | Maytham S. Ahmed (u. a.) | Taschenbuch | 172 S. | Englisch | 2020 | LAP LAMBERT Academic Publishing | EAN 9786200787385 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu. …

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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Shaft voltage has become a serious problem in large power plants. This book assigns the potential sources of shaft voltage and its effects on bearings. The shaft voltages and bearing currents are due to the common mode voltage component of the output voltage from the static excitation system. The main objective of this book is to develop a gas turbine generator excitation-shaft-to-bearing model and simulate the model to investigate the shaft voltage and bearing current occurrence in a power station. To address the shaft voltage by using grounding brushes is proposed, the simulation of the developed model is implemented by the Matlab. The values of shaft voltages and bearing current on the exciter end and the turbine end are investigated based on the data that had been obtained from Sultan Power Station manual. The results of shaft voltages and bearing current with and without the shaft to ground brushes connected at the exciter end and turbine end are analysed. In this book, optimization solver is also employed to determine the optimal values of capacitor and resistor to model the grounding brushes used to eliminate shaft voltage at exciter end and turbine end of the generator. 108 pp. Englisch.…

Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Ahmed Maytham S.Mr. Maytham and Dr. Raad worked as a project engineers on development of building energy. They later completed their MSc. from UM and UNITEN respectively, Malaysia. During this period they gained practical experience . …

Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: S. Ahmed MaythamMaytham S. Ahmed was born in Misan, Iraq. He received the B.Sc. degree from Basra University, M.S. degree from UNITEN, Malaysia, and Ph.D. from UKM, Malaysia, in 2004, 2012 and 2017, respectively. He is currently a pr. …

Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Shaft voltage has become a serious problem in large power plants. This book assigns the potential sources of shaft voltage and its effects on bearings. The shaft voltages and bearing currents are due to the common mode voltage component of the output voltage from the static excitation system. The main objective of this book is to develop a gas turbine generator excitation-shaft-to-bearing model and simulate the model to investigate the shaft voltage and bearing current occurrence in a power station. To address the shaft voltage by using grounding brushes is proposed, the simulation of the developed model is implemented by the Matlab. The values of shaft voltages and bearing current on the exciter end and the turbine end are investigated based on the data that had been obtained from Sultan Power Station manual. The results of shaft voltages and bearing current with and without the shaft to ground brushes connected at the exciter end and turbine end are analysed. In this book, optimization solver is also employed to determine the optimal values of capacitor and resistor to model the grounding brushes used to eliminate shaft voltage at exciter end and turbine end of the generator.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 108 pp. Englisch.…

Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Shaft voltage has become a serious problem in large power plants. This book assigns the potential sources of shaft voltage and its effects on bearings. The shaft voltages and bearing currents are due to the common mode voltage component of the output voltage from the static excitation system. The main objective of this book is to develop a gas turbine generator excitation-shaft-to-bearing model and simulate the model to investigate the shaft voltage and bearing current occurrence in a power station. To address the shaft voltage by using grounding brushes is proposed, the simulation of the developed model is implemented by the Matlab. The values of shaft voltages and bearing current on the exciter end and the turbine end are investigated based on the data that had been obtained from Sultan Power Station manual. The results of shaft voltages and bearing current with and without the shaft to ground brushes connected at the exciter end and turbine end are analysed. In this book, optimization solver is also employed to determine the optimal values of capacitor and resistor to model the grounding brushes used to eliminate shaft voltage at exciter end and turbine end of the generator.…

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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 96 pp. Spanisch.

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Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The increasing demand for electricity and the emergence of smart grids have presented new opportunities for home energy management (HEM) systems for the purpose of reducing energy usage. With the deployment of smart meters, it is possible to perform load control using HEM system with DR enabled appliances. The objective is to develop an intelligent HEM system with DR enabled appliances considering, home occupancy, user comfort, and electricity price. Simulation models of four home appliances, namely, air conditioner, water heater, washing machine, and refrigerator were developed based on mathematical and measurement empirical models using the Matlab/Simulink software. In addition, hardware prototype smart sockets were designed and built to link the home appliances to the HEM controller. The intelligent HEM system can make accurate decision in scheduling and shifting the domestic load operation at the peak period by scheduling the electrical appliances at a specific time without affecting the comfort of customers.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 172 pp. Englisch.…

Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 96 pp. Französisch.

Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - La tensión en el eje se ha convertido en un grave problema en las grandes centrales eléctricas. Este libro identifica las posibles fuentes de tensión en el eje y sus efectos sobre los cojinetes. Las tensiones en el eje y las corrientes en los cojinetes se deben al componente de tensión en modo común de la tensión de salida del sistema de excitación estática. El objetivo principal de este libro es desarrollar un modelo de excitación del generador de turbina de gas, desde el eje hasta los cojinetes, y simular dicho modelo para investigar la aparición de tensión en el eje y de corriente en los cojinetes en una central eléctrica. Se propone abordar el problema de la tensión en el eje mediante el uso de escobillas de puesta a tierra, y la simulación del modelo desarrollado se lleva a cabo con Matlab. Se analizan los valores de las tensiones en el eje y de la corriente en los cojinetes, tanto en el extremo del excitador como en el de la turbina, basándose en los datos obtenidos del manual de la central eléctrica de Sultan. Se analizan los resultados de las tensiones del eje y la corriente de los cojinetes con y sin las escobillas de puesta a tierra conectadas en el extremo del excitador y en el extremo de la turbina.…

Taschenbuch. Condition: Neu. Ahorro energético mediante la gestión de la tensión en el eje de los generadores de turbina | Ahorro de energía, tiempo, dinero y esfuerzo mediante la gestión de los fenómenos de tensión en el eje de los generadores de turbina | Maytham S. Ahmed (u. a.) | Taschenbuch | Spanisch | 2026 | Ediciones Nuestro Conocimiento | EAN 9786630326093 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu Print on Demand.…

Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -La tensión en el eje se ha convertido en un grave problema en las grandes centrales eléctricas. Este libro identifica las posibles fuentes de tensión en el eje y sus efectos sobre los cojinetes. Las tensiones en el eje y las corrientes en los cojinetes se deben al componente de tensión en modo común de la tensión de salida del sistema de excitación estática. El objetivo principal de este libro es desarrollar un modelo de excitación del generador de turbina de gas, desde el eje hasta los cojinetes, y simular dicho modelo para investigar la aparición de tensión en el eje y de corriente en los cojinetes en una central eléctrica. Se propone abordar el problema de la tensión en el eje mediante el uso de escobillas de puesta a tierra, y la simulación del modelo desarrollado se lleva a cabo con Matlab. Se analizan los valores de las tensiones en el eje y de la corriente en los cojinetes, tanto en el extremo del excitador como en el de la turbina, basándose en los datos obtenidos del manual de la central eléctrica de Sultan. Se analizan los resultados de las tensiones del eje y la corriente de los cojinetes con y sin las escobillas de puesta a tierra conectadas en el extremo del excitador y en el extremo de la turbina. 96 pp. Spanisch.…