Thursday, July 30, 2009

Practical Electrical Equipment and Installations in Hazardous Areas

Geoffrey Bottrill, et al ▌423 pages ▌8462 KB ▌zip --> pdf
The engineer's guide to best practice in selecting, installing, using and maintaining electrical equipment in hazardous areas. This book provides the reader with an understanding of the hazards involved in using electrical equipment in Potentially Explosive Atmospheres. It is based on the newly adopted international IEC79 Series of Standards that are now harmonizing and replacing older national Standards. Explosion-proof installations can be expensive to design, install and operate. The strategies and techniques described in this book can significantly reduce costs whilst maintaining plant safety. The book explains the associated terminology and its correct use - from Area Classification through to the selection of explosion-protected electrical apparatus, describing how protection is achieved and maintained in line with these international requirements. The IEC standards require that engineering staff and their management are trained effectively and safely in Hazardous Areas, and this book is designed to help fulfill that need. A basic understanding of instrumentation and electrical theory would be of benefit to the reader, but no previous knowledge of hazardous area installation is required. * An engineer's guide to the hazards and best practice for using electrical equipment in Potentially Explosive Atmospheres.* Fully in line with the newly adopted international standards, the IEC79 series.* Clear explanations of terminology and background information make this the most accessible book on this subject.
Part 1 [ download ] Part 2 [ download ]

Saturday, July 25, 2009

Harry Potter Complete Ebooks

Harry Potter is a series of seven fantasy novels written by British author J. K. Rowling. The novels revolve around Harry Potter, an orphan who discovers that he is a wizard. Wizard ability is inborn, but children are sent to wizarding school to learn the magical skills necessary to succeed in the wizarding world. Harry is invited to attend the boarding school called Hogwarts School of Witchcraft and Wizardry. Each book chronicles one year in Harry's life, and most of the events take place at Hogwarts. As he struggles through adolescence, Harry learns to overcome many magical, social and emotional hurdles.

Harry Potter and the Sorcerer's Stone 1045 KB ▌ pdf
Harry Potter and the Chamber of Secrets 843 KB ▌ pdf
Harry Potter and the Order of the Phoenix 3967 kB ▌ pdf


Harry Potter and the Prisoner of Azkaban ▌1343 ▌pdf
Harry Potter and the Goblet of Fire ▌ 1807 ▌ pdf
Harry Potter and the Half Blood Prince ▌2475 ▌ pdf

Harry Potter and the Deathly Hallows



Friday, July 24, 2009

Practical Power System Protection

Hewitson, et al ▌289 pages ▌6852 KB ▌pdf

Plant operators, electricians, field technicians and engineers will gain a practical understanding of the role and workings of power system protection systems from this work. An understanding of power systems and their optimized management will increase plant efficiency and performance as well as increasing safety levels. This book provides both the underpinning knowledge and basic calculations needed to understand, specify, use and maintain power protection systems, and the practical techniques required on a daily basis.After studying this book you will have an excellent knowledge of the principles of protection. You will also have a better understanding of the possible problems likely to arise in day-to-day work with power protection systems.
Key areas of knowledge and expertise developed will include:
* Fundamentals of electrical power protection and applications
* Different fault types
* Perform simple fault and design calculations
* Practical knowledge of protection system components
* Apply relay settings
* Improve the safety of your site with the knowledge gained
* Increase plant efficiency, performance and safety levels by developing your understanding of power system protection
* Gain a practical knowledge of the engineering challenges of power system protection: fault types, component types, relay settings, etc.
* Coverage includes both the fundamentals and the basic fault and design calculations needed to specify, use and maintain power protection systems

Handbook of Electrical Design Details

Neil Sclater, et al ▌456 pages ▌7502 KB ▌pdf

COMPREHENSIVE SOURCE OF TECHNICAL DETAILS ON ELECTRICAL POWER FROM GENERATION TO PRACTICAL APPLICATIONS Reliable, low-cost electric power is a fundamental requirement for modern society, making possible such vital services as lighting, HVAC, transportation, communication, and data processing, in addition to driving motors of all sizes. A mainstay of industrial productivity and economic prosperity, it is also essential for safeguarding human life and health. This handbook is a valuable information resource on electric power for everyone from technical professionals to students and laypeople.

This compact, user-friendly edition updates and expands on the earlier edition. Its core content of power generation, distribution, lighting, wiring, motors, and project planning has been supplemented by new topics:

* CAD for preparing electrical drawings and estimates
* Basic switch and receptacle circuit wiring
* Structured wiring for multimedia
* Swimming pool and low-voltage lighting
* Electrical surge protection

An easy-to-read style makes complex topics understandable. It’s a must-have reference for those with a need or desire to get up to speed on the entire subject of electric power or just familiarize themselves with the latest advances--regardless of their formal education or training. Reader-helpful features in this edition include:
* Up-front chapter summaries to save time in finding topics of interest.
* References to related articles in the National Electrical Code.
* A bibliography identifying additional sources for digging deeper.
* Approximately 300 illustrations

Thursday, July 23, 2009

National Electrical Code, 2008 Ed

NFPA 70 ▌840 pages ▌7177 KB ▌pdf

The world’s most widely adopted safety code, the National Electrical Code® (NEC) is now advancing electrical safety requirements with the 2008 edition in an effort to maximize public safety, emergency preparation, and electrical worker protection. With regulations for electrical wiring and equipment in virtually all types of buildings, this new edition responds to industry needs with expanded requirements based on research, new technologies, and recent events. A must-have for anyone involved in electrical design, installation, inspection, and safety, this edition has been updated for enhanced usability in the field, making it ideal for handling on-the-job electrical situations safely and effectively. Delmar, a part of Cengage Learning is pleased to make this authoritative reference from the National Fire Protection Association (NFPA) available directly from us, for the convenience of our customers who work in and around the electrical trades. It may be used independently, or as a companion to any electrical book, including Delmar's best-selling wiring series, as well as our guides to using the NEC®.

Newnes Electrical Power Engineers Handbook, 2nd ed

by D.R. Warne ▌477 pages ▌7156 KB ▌pdf

This second edition of this popular reference book provides a very good overview of the underlying theory and operation of electrical power components and power systems...This book provides surprisingly good technical descriptions of the basic operating principles of electrical power equipment and would be useful to electrical engineers that need to familiarize themselves with certain areas. Other engineers or managers who specify, utilize, or design these components, also would benefit from reading this book.

A concise guide to the principles and applications of the main classes of electrical equipment, aimed at wide range of engineers, students and managers.

Advanced Electrical Installation Work - 5th ed

by Trevor Linsley ▌411 pages ▌7043 KB ▌pdf

Trevor Linsley's textbooks have helped thousands of students to gain their electrical installation qualifications. In a concise and practical way, Advanced Electrical Installation Work supports the City & Guilds 2330 Level 3 Certificate in Electrotechnical Technology and the 2356 Level 3 NVQ in Electrotechnical Services.Units covered:

Unit 1 Application of health and safety and electrical principles
Unit 2 Installation (Buildings and Structures): inspection, testing and commissioning
Unit 3 Installation (Buildings and Structures): fault diagnosis and rectification

The fifth edition has been updated in line with the 17th Edition Wiring Regulations so that students can be sure to work to the latest regulations. The structure of the book has been overhauled and it now covers each learning outcome in a dedicated chapter. Learning features, such as key facts, definitions, safety tips and end of chapter questions with answers help students to check their understanding and revise for the exams. The text is highly illustrated and the book is now in full colour.