By Francesco ing. Belfiore
Sistemi trifasi simmetrici e non equilibrati. Sistemi a tre fili con carichi a stella: spostamento del centro stella, calcolo delle intensità di corrente di linea, potenza reale, potenza reattiva, potenza apparente e definizione del fattore di potenza convenzionale.
Sistemi a tre fili con carichi a triangolo: calcolo delle intensità di corrente di fase e delle intensità di corrente di linea, potenza reale, potenza reattiva, potenza apparente e definizione del fattore di potenza convenzionale. Inserzione Aron according to los angeles misura della potenza reale in line with un sistema trifase simmetrico e non equilibrato a tre fili.
Misura della potenza reale in keeping with un sistema polifase.
Misura della potenza reattiva in un sistema trifase simmetrico e non equilibrato a tre fili con l’impiego di varmetri e con l’impiego di wattmetri: il metodo di Barbagelata, il metodo delle quattro letture ed il metodo di Righi.
Linee elettriche a tre fili con carico non equilibrato: rendimento della linea, caduta di tensione in linea nota los angeles terna simmetrica all’origine e nota l. a. terna simmetrica all’arrivo. Caduta di tensione in linea consistent with carichi leggermente non equilibrati. Rifasamento di un carico non equilibrato. Sistema trifase simmetrico e non equilibrato a quattro fili: fattore di potenza convenzionale, misure di potenza reale, di potenza reattiva e di fattore di potenza.
Sistemi trifase dissimmetrici: collegamento delle fasi a triangolo ed a stella, collegamento dei carichi a stella con e senza filo neutro, collegamento dei carichi a triangolo. Misure sui sistemi trifase dissimmetrici con collegamento dei carichi a stella con e senza filo neutro e con collegamento dei carichi a triangolo.
Scomposizione di una terna dissimmetrica in una terna simmetrica diretta, una terna simmetrica inversa ed una terna omopolare.
By RW Connell
By Simon Bradford,Fin Cullen
Rigorous learn is essential to potent paintings with children and more and more early life practitioners must be in a position to advance, evaluate and proof their paintings utilizing quite a few learn and evaluate instruments. this article equips scholars and practitioners with a radical figuring out of study layout, perform and dissemination, in addition to methods to evidence-based perform.
A transparent perform framework informs the booklet, outlining the importance of analysis to adolescence paintings, specifically on the subject of designing and constructing providers for children. Research and learn equipment for formative years Practitioners:
- Analyses the research/practitioner function
- Explores the moral context of analysis in formative years paintings
- Offers an intensive research of key methodological questions in learn in perform
- Provides a advisor to information assortment and research
- Presents 5 vital learn suggestions for formative years paintings: ethnographic paintings and visible tools; interviewing and evaluate; surveys and review; using secondary facts and documentary research; and discovering digital and on-line settings
- Discusses the results of study for paintings with teens in addition to its dissemination.
Written through skilled researchers and practitioner-researchers, each one bankruptcy during this obtainable textbook contains an outline, a severe dialogue of the professionals and cons of the actual process or process, a case examine, a practice-based activity, a precis and recommendations for extra analyzing. This textbook is valuable for pupil and training adolescence employees. it's also an invaluable reference for different practitioners operating with younger people.
By Kristen C. Wilcox,Janet I. Angelis
In their moment collaboration, Wilcox and Angelis inform the tales of highschool educators who embrace top practices of their day by day activities—practices that always bring about larger scholar educational fulfillment around the middle matters for all students. This publication stocks result of a multi-case learn of ways a few excessive faculties constantly convey higher pupil functionality, together with enhanced four-year commencement charges. those faculties have discovered tips on how to effectively adapt to the weather of elevated (and expanding) accountability.
Best Practices from High-Performing excessive Schools is for someone who strives to make sure that all youngsters graduate from highschool and are able to achieve collage, of their careers, and in life.
- Models that academics and directors can use to enhance their university and their very own practice.
- Depictions of ways educators in higher-performing faculties strategically objective assets and concentration their energies on components of maximum need.
- A framework of top practices from colleges serving huge numbers of kids from low-income and/or immigrant families.
Kristen C. Wilcox is a vacationing assistant professor on the collage at Albany, country college of recent York. Janet I. Angelisis affiliate director of the Albany Institute for study in schooling (AIRE), collage at Albany, kingdom college of recent York. they're coauthors of Best Practices from High-Performing center faculties: How profitable colleges eliminate hindrances and Create Pathways to Learning.
“Wilcox and Angelis have performed it back! Drawing on findings from comparative study, they in actual fact clarify why a few excessive faculties do greater than others and supply particular examples of most sensible practices in motion. maybe most significantly, they provide readers possibilities to mirror on practices of their personal colleges and examine what forms of adjustments could make the main difference. Best Practices from High-Performing excessive Schools is a must-read for each highschool educator.”
—Jim Butterworth, govt director, Capital region tuition improvement organization and previous assistant commissioner, ny nation schooling Department
“Best Practices from High-Performing excessive Schools gets on the middle of what makes a few excessive colleges powerful for all scholars. It addresses matters which are severe to supplying a weather and tradition that problem scholars and support them to excel. Wilcox and Angelis sincerely describe 5 crucial components of potent perform and illustrate those with examples from excessive faculties which are always winning. A precious and useful gizmo for top university educators everywhere.”
—Arthur N. Applebee, special Professor & Chair, division of academic conception & perform, college at Albany, SUNY
By Marge Maxwell,Rebecca Stobaugh
By Jeremy Hyler,Troy Hicks
Find out find out how to comprise electronic instruments into your English language arts classification to enhance scholars’ examining, writing, listening, and talking abilities. Authors Jeremy Hyler and Troy Hicks express you that know-how is not only approximately creating a lesson enticing; it’s approximately aiding scholars turn into powerful creators and shoppers of knowledge in today’s fast moving global. You’ll tips on how to use cellular applied sciences to coach narrative, informational, and argument writing in addition to visible literacy and multimodal study. every one bankruptcy is full of interesting lesson plans and tech instrument feedback so that you can take again in your personal school room immediately.
See Jeremy Hyler’s TEDx!
By Rajat Kalia,Manas Kalia,Malkit Singh
This ebook includes merely reviewed fabric already getting used by means of thousands of professors in universities. cause being to maintain the correctness and homogeneity intact.
By Ibiyemi Oyeneye,Michael Onyenwenu,Robert Akaniro
The path has been written in complete compliance with the elemental schooling curriculum supplied by way of the Nigerian academic learn and improvement Council, and will totally equip the scholars for the Junior Secondary university Examination.
Every publication within the path has been written in uncomplicated language to make it effortless for the JS scholars to appreciate. each one subject in each booklet has been totally built, with examples the scholars can simply seize and establish with. Very transparent apt photographs have additionally been used to demonstrate the teachings within the books.
The authors are hugely skilled academics and WAEC/NECO examiners, who've additionally authored a number of hugely winning Secondary university textbooks.
By Richard Pring
Is there lifestyles after loss of life for secondary education?
This publication focuses upon the standard of studying. ‘Reform’, so referred to as, too usually starts off with skills, examinations, institutional provision, paths of development. All these are extremely important, yet their price lies within the help they provide to novices and their studying in its assorted types. One must begin with the goals of schooling after which with what it capacity to profit (practically, theoretically, morally) and with the very many various wishes of the novices. that's what this ebook goals to do.
In so doing, will probably be either philosophical in research and empirical in instance. lots is occurring ‘from down lower than’ that is going unrecognised via coverage makers. yet thoughts too usually get hampered via govt interventions, via a bureaucratic mentality and through failure to unfold strong perform. the overall argument of the e-book, accordingly, may be illustrated all through with certain references to sensible advancements in colleges, schools, the 3rd quarter, formative years paintings, self sustaining education companies our bodies – throughout a number of international locations.
The publication builds on Education for All, which used to be in line with 14-19 learn into secondary schooling, this e-book transcends the particularities of britain and Wales and digs extra deeply into these matters that are on the middle of academic controversy, coverage and practices and which continue to exist the transience of political swap and controversy. the problems (the goals of schooling, criteria of functionality, the resultant imaginative and prescient of studying, the position of academics, development from institution to raised or extra schooling and into employment, the supply of such schooling and coaching and the keep an eye on of schooling) are not at all restrained to the united kingdom, or to this point in time. Pring identifies comparable difficulties in different international locations akin to america, Germany and France – and certainly within the Greece of Plato and Aristotle and gives options with a comparative viewpoint.
It is a severe time. previous styles of schooling and its provision are much less and not more appropriate for dealing with the twenty-first century. The styles and modes of communique have replaced substantially in many years and people adjustments are quickening in velocity. the commercial context has been reworked, affecting the talents and data wanted for employment. The social international of adolescents increases clean calls for, hopes and fears. a world recession has affected kids disproportionately making caliber of lifestyles and self-fulfilment ever more challenging to realize.
In addressing ‘learning’ and the ‘learners’ firstly, the booklet will argue for a much broader imaginative and prescient of studying and a extra various trend of provision. previous constructions needs to cave in to new.
By Ariel Sacks
Whole Novels is a realistic, field-tested advisor to enforcing a student-centered literature software that promotes severe considering and literary realizing during the examine of novels with heart tuition scholars. instead of utilizing novels just to educate easy literacy abilities and comprehension ideas, Whole Novels techniques literature as paintings. The ebook is totally aligned with the typical center ELA criteria and gives information for imposing entire novels in quite a few contexts, together with feedback for academics attracted to testing small steps of their study rooms first.
- Includes a strong technique for instructing literature, writing, and significant pondering to center university students
- Shows the best way to use the full Novels process together with different programs
- Includes videos of the writer utilizing the thoughts in her personal classroom
This source can help lecturers paintings with scholars of various skills in analyzing complete novels.