Design, Construction, Test and Evaluation of a Stand alone 75 Watts Solar Electric Generator
نویسندگان
چکیده
منابع مشابه
construction and validation of a computerized adaptive translation test (a receptive based study)
آزمون انطباقی رایانه ای (cat) روشی نوین برای سنجش سطح علمی دانش آموزان می باشد. در حقیقت آزمون های رایانه ای با سرعت بالایی به سمت و سوی جایگزین عملی برای آزمون های کاغذی می روند (کینگزبری، هاوسر، 1993). مقاله حاضر به دنبال آزمون انطباقی رایانه ای برای ترجمه می باشد. بدین منظور دو پرسشنامه مشتمل بر 55 تست ترجمه میان 102 آزمودنی و 10 مدرس زبان انگلیسی پخش گردید. پرسشنامه اول میان 102 دانشجوی س...
Fabrication of Stand Alone Solar Inverter
The stand-alone power inverter is equipped with various management systems which guarantee the stable operation of the power supply system. Battery, generator, power and load management complement each other to provide a comprehensive system management. All the necessary variables are measured or calculated by Sunny Island. This ensures that no switching activity or set point alteration will be...
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A. Dòria-Cerezo, E. Fossas and R.S. Muñoz-Aguilar Department of Electrical Engineering and the Institute of Industrial and Control Engineering, Universitat Politècnica de Catalunya, Spain Department of Automatic Control and the Institute of Industrial and Control Engineering, Universitat Politècnica de Catalunya, Barcelona, Spain Department of Electrical Engineering, Universitat Politècnica de ...
متن کاملA Novel Stand-Alone Single-Phase Induction Generator Using a Three-Phase Machine and a Single-Phase PWM Inverter
A new type of single-phase stand-alone induction generator using a three-phase induction machine and a single-phase voltage-source PWM inverter is introduced. The generator scheme is capable of producing constant load frequency with a very well regulated output voltage. A small lead acid battery and a single-phase full diode-bridge rectifier are used to feed the inverter. The inverter feeds one...
متن کاملconstruction and validation of the translation teacher competency test and the scale of students’ perceptions of translation teachers
the major purpose of this study was to develop the translation teacher competency test (ttct) and examine its construct and predictive validity. the present study was conducted in two phases: a qualitative phase as well as a quantitative phase. in the first phase of the study, the author attempted to find out the major areas of competency required for an academic translation teacher. the second...
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ژورنال
عنوان ژورنال: Journal of Engineering and Applied Sciences
سال: 2010
ISSN: 1816-949X
DOI: 10.3923/jeasci.2010.337.341