Today's Fresh Blogs...

• Network Protection and Automation Guide (Electrical Power System)

  Published: August 1, 2007, 1:07 am

  Tags: Electrical Engineering

  File : pdf, 11.2 MB, 452 pages TOC Introduction Fundamentals of Protection Practice Fundamental Theory Fault Calculations Equivalent Circuits and Parameters of Power System Plant Current and Voltage Transformers Relay Technology Protection: Signalling and Intertripping Overcurrent Protection for Phase and Earth Faults Unit Protection of

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• Beginners Introduction to the Assembly Language of ATMEL AVR Microprocessors

  Published: July 10, 2007, 10:29 am

  Tags: Electrical Engineering

  File : pdf, 1.1 MB, 58 pages Content Why learning Assembler Short and easy Fast and quick Assembler is easy to learn AT90Sxxxx are ideal for learning assembler Test it Hardware for AVRAssemblerProgramming The ISP Interface of the AVR processor family Programmer for the PC Parallel Port Experimental board with a AT90S2313 Readytouse commercial

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• PLC (Programmable Logic Controller)

  Published: June 17, 2007, 12:14 pm

  Tags: Electrical Engineering

  File : pdf, 846 pages, 5.2 MB TOC 2. PROGRAMMABLE LOGIC CONTROLLERS 2.1 INTRODUCTION 2.1.1 Ladder Logic 2.1.2 Programming 2.1.3 PLC Connections 2.1.4 Ladder Logic Inputs 2.1.5 Ladder Logic Outputs 2.2 A CASE STUDY 2.3 SUMMARY 2.4 PRACTICE PROBLEMS 2.5 PRACTICE PROBLEM SOLUTIONS 2.6 ASSIGNMENT PROBLEMS 3. PLC HARDWARE 3.1 INTRODUCTION 3.2 INPUTS

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• Bearing capacity of soils

  Published: June 15, 2007, 8:35 am

  Tags: Civil Engineering

  File : pdf, 1.5 MB, 196 pages TOC CHAPTER 1 INTRODUCTION Purpose and Scope Definitions Failure Modes Factors Influencing Bearing Capacity CHAPTER 2 NON-LOAD RELATED DESIGN CONSIDERATIONS General Earthquake and Dynamic Motion Frost Action Subsurface Voids Expansive and Collapsible Soils Soil Reinforcement Heaving Failure in Cuts Soil Erosion and

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• Water desalination

  Published: March 17, 2007, 12:24 pm

  Tags: Civil Engineering

  File : pdf, 1.8MB, 115 pages TOC CHAPTER 1. GENERAL Purpose General design considerations Special design considerations Economic considerations CHAPTER 2. SITE SELECTION Site technical requirements Water storage and system modularization CHAPTER 3. WATER SOURCE SELECTION General Quality Selection versus rejection of potential raw water sources

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• Water supply, water treatment

  Published: March 17, 2007, 12:21 pm

  Tags: Civil Engineering

  File : pdf, 2.43 MB, 70 pages TOC CHAPTER 1. GENERAL Purpose and scope Water treatment projects Water quality criteria and standards 2. WATER TREATMENT PROCESSES Process selection factor Preliminary treatment Aeration Coagulation and flocculation Sedimentation basins Filtration Disinfection Fluoride adjustment Taste-and-odor control Softening Iron

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• Hazardous waste land disposal - land treatment facilities

  Published: March 17, 2007, 12:14 pm

  Tags: Civil Engineering

  File : pdf, 865 KB, 82 pages TOC Chapter 1. INTRODUCTION Purpose Scope 2. REGULATORY FRAMEWORK Federal regulations State and local regulatory requirements Army regulations 3. PRE-DESIGN EVALUATION OF SITE CONDITIONS Environmental and sociopolitical conditions Review of relevant site data Hydrogeologic conditions Climate elements Impact of site

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• Fundamentals of Electrical Engineering and Electronics

  Published: February 20, 2007, 11:03 pm

  Tags: Electrical Engineering

  File : zip, 21.8 MB Author : Tony R, Kuphaldt DC Basic Concepts of Electricity Ohm’s Law Electrical Safety Scientific Notation and Metric Prefixes Series and Parallel Circuits Divider Circuits and Kirchhoff’S Laws Series-Parallel Combination Circuits DC Metering Circuits Electrical Instrumentation Signal DC Network Analysis

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• Coordinated Power System Protection

  Published: January 22, 2007, 12:11 pm

  Tags: Electrical Engineering

  File : pdf, 1.89 MB, 100 pages CHAPTER 1. GENERAL REQUIREMENTS Purpose Scope References Electrical power systems Design procedures CHAPTER 2. ELECTRICAL POWER SYSTEM OVERCURRENTS General Normal current Overload current Short-circuit current Ground-fault current Sources of short-circuit current Time variation of short-circuit current Symmetrical

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• The art and science of protective relaying

  Published: January 12, 2007, 1:48 am

  Tags: Electrical Engineering

  File : 2.82MB, 357 pages 1. The philosophy of protective relaying What is protective relaying? The function of protective relaying Fundamental principles of protective relaying - primary relaying - back-up relaying - protection against other abnormal conditions Functional characteristics of protective relaying - sensitivity, selectivity, and speed

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• Basic Hydraulic Systems and Components

  Published: December 5, 2006, 1:05 am

  Tags: Mechanical Engineering, Electrical Engineering, Control Instrumentation

  File : 1.6 MB, 67 pages Lesson 1: Hydraulic Reservoirs, Filters, Pumps, Accumulators, and Motors Practice Exercise Answer Key and Feedback Lesson 2: Basic Construction and Operation of Hydraulic Actuating Devices, Flow Control, and Directional Devices 25 Practice Exercise Answer Key and Feedback Lesson 3: Hydraulic Pressure-Limiting, Controlling,

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• Refrigeration and air conditioning

  Published: December 4, 2006, 11:04 pm

  Tags: Mechanical Engineering, Electrical Engineering

  File : 5.63 MB, 161 pages Lesson 1 Chapter 1 Direct Expansion Systems 2 Absorption Systems Lesson 2 Chapter 3 Centrifugal Systems 4 Water Treatment Lesson 3 Chapter 5 Centrifugal Water Pumps 6 Fundamentals of Electronic Controls 7 Electronic Control Systems Answers to Review Exercises download : pdf1

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• Introduction to magnetic recording

  Published: November 30, 2006, 1:36 am

  Tags: Electrical Engineering

  File : 3.02 MB, 128 pages Navy Electricity and Electronics Training Series - Modul 23 Contents 1. Introduction to Magnetic Recording 2. Magnetic Tape 3. Magnetic Tape Recorder Heads 4. Magnetic Tape Recorder Transports 5. Magnetic Tape Recorder Record and Reproduce Electronics 6. Magnetic Tape Recorder Specifications 7. Digital Magnetic Tape

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• Introduction to fiber optics

  Published: November 30, 2006, 12:29 am

  Tags: Electrical Engineering

  File : 1.7 MB, 238 pages Navy Electricity and Electronics Training Series (NEETS) - Modul 24 Contents 1. Background on Fiber Optics 2. Fiber Optic Concepts 3. Optical Fibers and Cables 4. Optical Splices, Connectors, and Couplers 5. Fiber Optic Measurement Techniques 6. Optical Sources and Fiber Optic Transmitters 7. Optical Detectors and Fiber

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• Central boiler plants

  Published: November 23, 2006, 10:23 pm

  Tags: Mechanical Engineering, Electrical Engineering

  File : 34 MB (5 file) TOC CHAPTER 1. GENERAL CONSIDERATIONS Section I. Introduction Purpose Central Boiler Plants Equipment Section II. Elementary Combustion Principles Fossil Fuels Combustion Combustion of Coal Combustion of Oil Combustion of Natural Gas Soot and Smoke Flue Gas Analysis and Temperature Combustion Efficiency Boiler Efficiency.

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