ET-115 AC Section 'L'Circuit Click Here To Enlarge. Download This File Pdf. Posted by Electrical2007. Basic Electrical Engineering. B.L Theraja (1) ET-115 (3). The Electrical Science handbook consists of fifteen modules that are contained in four volumes. The following is a brief description of the information presented in each module of the handbook. Volume 1 of 4 Module 1 - Basic Electrical Theory This module describes basic electrical concepts and introduces electrical terminology. Module 2 - Basic.

EET 2000 Electrical Principles Cr. 3

Kirchhoff's laws, D.C. and A.C. circuit analysis, impedance, phasors, power and power factor correction, mutual coupling. Power transformers, D.C. and A.C. generators and motors, motor controls. Offered Yearly.

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Prerequisites: MAT 1800 with a minimum grade of C-

EET 2100 Principles of Digital Design Cr. 3

Applied Boolean algebra and number systems. Logic families, K-mapping; combinational logic, multiplexers and demultiplexers, readouts and displays, flip flops. Offered Yearly.

EET 2720 Microprocessor Fundamentals Cr. 3

Use of microprocessors as interface devices, including software, interfaces, memory, registers, and microcomputer system architecture, computer programming design projects. Offered Yearly.

Prerequisites: CSC 1050 with a minimum grade of C-

Course Material Fees: $25

EET 3100 Advanced Digital Design Cr. 3

System level design of digital logic circuits using hardwired and programmable logic devices. ROMs, PROMs, and PLAs. Synchronous and asynchronous circuit design and analysis. Offered Fall, Winter.

Prerequisites: EET 2100 with a minimum grade of C-

EET 3150 Network Analysis Cr. 4

Analysis of circuits with dependent sources, RL, RC, and RLC circuit transient and sinusoidal response, network functions, frequency response, and power analysis. Offered Fall, Winter.

Prerequisites: EET 2000 with a minimum grade of C-, ET 3450 with a minimum grade of C- (may be taken concurrently), and PHY 2140 with a minimum grade of C-

EET 3180 Analog Electronics Cr. 4

Operational amplifiers, circuit and applications; summing and subtracting amplifiers; integrating and differentiating amplifiers; comparators. Design of active filters, oscillators and waveform generating circuits, and audio integrated circuits. Offered Fall, Winter.

Prerequisites: CHM 1020 with a minimum grade of C- and EET 2000 with a minimum grade of C-

Course Material Fees: $20

EET 3300 Applied Signal Processing Cr. 3

Continuous-time and discrete-time signals, frequency response and impulse response; transfer function of linear systems, data acquisition and sampling, continuous and discrete Fourier transform; spectrum analysis and filtering; digital filter design. Offered Fall, Winter.

Prerequisites: EET 3150 with a minimum grade of C- (may be taken concurrently) and ET 3450 with a minimum grade of C-

EET 3500 Electrical Machines and Power Systems Cr. 3

Energy fundamentals. Physical and operating characteristics of D.C. and A.C. generators and motors, transformers. Electric power network. Transmission line stability. Power factor correction. Load sharing by transformers and generators. Per unit notation. Environmental impact of electric power generation. Offered Winter.

Prerequisites: EET 2000 with a minimum grade of C- and ET 3450 with a minimum grade of C-

EET 3720 Micro and Programmable Controllers Cr. 3

Microprocessors and Programmable logic controllers; on-chip I/O resources, interfacing; controls, instrumentation, and communication; data manipulation and sequencer instruction set; development and debugging tools. Offered Fall, Winter.

Prerequisites: EET 2720 with a minimum grade of C-

Course Material Fees: $20

EET 4100 Computer Hardware Design Cr. 3

Structural organization and hardware design of digital computers. Register transfer, micro-operations, and microprogram control. Processing and control units, arithmetic algorithms, input-output systems, and memory systems. Offered Yearly.

Prerequisites: EET 2720 with a minimum grade of C- and EET 3100 with a minimum grade of C-

EET 4200 Control Systems Cr. 4

Feedback control systems with topics in time response, stability criteria, system representation, frequency response, compensation. PID controller; simulation of electrical and mechanical systems. Offered Fall, Winter.

Prerequisites: ET 3450 with a minimum grade of C- and EET 3500 with a minimum grade of C-

Course Material Fees: $10

EET 4600 Power Electronics Cr. 3

Understanding different types of power semiconductor devices; analysis of typologies of uncontrolled and controlled converters, dc-dc converters. Simulation of power converters and application of power converter technologies in industrial and utility applications. Offered Yearly.

Prerequisites: EET 3150 with a minimum grade of C- and ET 3450 with a minimum grade of C-

Restriction(s): Enrollment is limited to Undergraduate level students.

EET 4990 Guided Study Cr. 1-6

Supervised study and instruction in field selected by student. Offered Intermittently.

Repeatable for 6 Credits

EET 5720 Computer Networking Applications Cr. 4

Networking protocols, components, architecture, and standards. Data communication, data packet structure, data transmission methods and techniques, network topologies, and media access control methods. Offered Yearly.

Prerequisites: EET 2720 with a minimum grade of C- and EET 3100 with a minimum grade of C-

Course Material Fees: $25

EET 5730 Embedded Systems Networking Cr. 3

Principles of data communications and real-time wired and wireless embedded systems networking. State of the art embedded networks including Controller Area Networks (CAN), internet connectivity and other embedded standards will be utilized in this project based class. Offered Fall.

Prerequisites: EET 3100 with a minimum grade of C- and EET 3720 with a minimum grade of C-

EET 7720 Advanced Computer Networking Cr. 4

Latest advances in networking; internetworking with bridges, routers, and switches. LAN and WAN protocols, high speed networks. Offered Yearly.

Prerequisite: EET 5720 with a minimum grade of C

Corequisite: EET 7430

Restriction(s): Enrollment is limited to Graduate level students.

1.4 Principles of Sustainable Engineering

'Engineering in context, engineering with a conscience, engineering for a finite planet and the indefinite future'
-Benoit Cushman-Roisin

Sustainable engineering should be based on principles that support sustainable development, as defined in the upper sections of this lesson. Engineering forms an interface between the design (i.e., the idea how to provide a sustainable solution to a technical problem) and implementation and production. In case of technology development, engineering phase is linked to almost every level of technology readiness spectrum. Sustainable engineering principles should be contemplated and applied early to ensure that technology development and scale-up follow the environmentally benign route. It will be hard to turn back to redo and redesign things from later stages! In that sense, the sustainable engineering principles should be taken into account in decision making for both research and industrial projects as well as in policy making and decisions regarding funding of technological research.

There have been multiple attempts by academic and industrial institutions to formulate sustainable engineering principles. All of them fall within the triangle with Environmental, Social, and Economic values as cornerstones. The overarching goal is to generate a balanced solution to any engineering problem. If an engineering project benefits one of these three aspects but ignores the others, we have a lopsided system which creates tension, instability, and new problems in the long run.

Here are some of the aspects that differentiate the traditional and sustainable approaches in engineering:

The diagram in Figure 1.3. presents a consolidated framework for sustainable engineering principles, which are in part adopted from the work of Gagnon and co-authors 'Sustainable development in engineering: a review of principles and definition of a conceptual framework' (2008) and from the green engineering principles established by Sundestin Conference (2003).

Figure 1.3 text description

Various principles of sustainable engineering are placed on the perimeter of the triagle. On the trangle's bottom edge are the Society pole (left) and the Economy pole (right). From left to right, the four principles shown are as follows:

• Offer individuals and communities the opportunity to increase their capabilities.
• Know your 'needs' and 'wants.' Put primary focus on achieving needs of larger number of individuals.
• Allocate in a fair manner benefits and costs related to economic activity and public policies.
• Maintain a positive genuine long term investment considering all types of capital.

On the triangle's left edge are the Society pole (bottom) and the Environment pole (top). From bottom to top, the four principles shown are as follows:

• Ensure that all material and energy inputs and outputs are as inherently safe and benign as possible.
• Look beyond your own locality and the immediate future.
• Preserve access to exosystems services essential to health and wellbeing.
• Preserve biodiversity and respect all life forms regardless of how useful they are to humankind.

On the triangle's right edge are the Environment pole (top) and the Economy pole (bottom). From top to bottom, the four principles shown are as follows:

• Stay within ecosystem's carrying capacity in terms of resource development and waste assimilation.
• Develop closed cycles of operation and consumption to minimize waste.
• Offset the use of non-renewable resources by investments in renewable substitutes.
• Stimulate innovation to facilitate the adaption of more efficient and greener technologies.

The principles shown at the center of the triangle are as follows:

• Engineering processes holistically, use system analysis, and integrate invironmental impact assessment tools.
• Seek stakeholder involvement while respecting local subsidiarity and cultures.
• Internalize all costs within the value of goods and services (polluters must pay).

Figure 1.3 lists the various principles of sustainable engineering versus environmental, social, and economic poles. Some of these principles clearly gravitate towards one of the corners of this triangle and thus address particularly societal, environmental, or economic concern. But some others, which are placed along the sides of the triangle, have connections to two of the poles of the diagram and address both societal and economic, or both economic and environmental concerns in some proportion. Those principles placed in the center of the diagram combine all three aspects of sustainability to a certain degree and hence their implementation would benefit all societal, environmental, and economic stakeholders. We should not consider this collection of principles set in stone. Many sources and organizations build on the existing documents and provide their own visions. I invite you to reflect on this diagram and provide your comments for making it more complete and more concrete for our future consideration.

These principles can be viewed as guidelines for a specific engineering project. We are going to look at a specific example where the engineering solution was able to address the need and benefit sustainability, not sacrificing one for the other.

Jubilee River Case Study

Reading assignment

Venables, R., Civil Engineering - Jubilee River, in Engineering for Sustainable Development: Guiding Principles, Royal Academy of Engineering, Dodds, R., and Venables, R., Eds., 2005. pp. 11-14.

Note: I ask you to read the case study on pages 12-14 only! After that please answer the self-check questions below.

This example presents a success story about how sustainable engineering has been applied to address a critical community need. The need is always placed in the center of an engineering project and directs design efforts. In this case, the need was a flood prevention system. While the traditional approach of creating the concrete trapezoidal channel would address the need perfectly and cost-effectively, it would have environmental and social trade-offs. For example, construction would destroy or disturb natural vegetation and wildlife, cause high soil erosion, create a large amount of construction waste, and have a negative aesthetic impact.

The alternative approach was to convert these problematic trade-offs into benefits. That required some additional investment and a wider range of collaboration among civil engineers, ecologists, and landscape architects. The result was creation of a permanent, landscaped, ecologically compatible relief channel, with amenities and environmental features of a natural river (Figure 1.5), which eventually became an asset to the community and increased rather than decreased the quality of life.

To summarize the information in this reading, please provide answers to the following questions:

Self-check questions:

1. What was the key to making the Jubilee River channel stable under high flow conditions?

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Principle Of Electrical Engineering Et 115 Pdf

2. What sustainable construction measures were implemented in the project?

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Principle Of Electrical Engineering Et 115 Pdf Online

3. What technology was used to plan and control excavation works and to prevent over-digging?

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4. What were the key benefits of the Jubilee River project?

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(a) flood prevention (main need);

(b) better quality of life;

(c) maintained wildlife environment;

(d) protected land and soils;

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(e) wise use of natural resources.

The goal of an engineering project can be to create a system, a device, a process, or any other outcome that would provide a certain service or benefit to society. One of the important outcomes of an engineering project is the creation of technology.

Role of Technology

Principle Of Electrical Engineering Et 115 Pdf Download

Role of technology can be actually viewed as the interface that provides connection of an idea realized through design and engineering effort with practical and consumable outcomes, such as products or services. The latter would affect and shape societal lifestyle over time. Figure 1.4 presents a hierarchical view of these connections in the sustainability context.

Figure 1.5 shows how the most general sustainability principles are narrowed down to specific material outcomes for the society. The principles of sustainability guide the sustainable design, the process of thinking. This stage determines how things are supposed to be made and how they will function over their whole lifecycle. Further down the funnel, the sustainable engineering stage deals with technical implementation of ideas. Sometimes it is not an easy process, and some aspects of design may be changed or compromised. When eventually the design and engineering routes practically converge, we may have a technology created. Technology provides processes and products. Only then the benefits of new ideas and new engineering developments become available to society. Here we can identify the role of technology as some sort of portal through which the established principles of sustainable design and engineering may affect people’s lifestyle. Because of people's strong dependence on multiple technologies, those become the factors that can facilitate change in society and can even become tools of manipulation and initiation of global trends.

This way of thinking emphasizes the importance of technologies in the whole hierarchy of causes and factors that regulate the sustainable development.

Supplemental Reading

Engineering for Sustainable Development: Guiding Principles, Royal Academy of Engineering, Dodds, R., and Venables, R., Eds., 2005.

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This additional reading on this section provides you with some examples of sustainable engineering projects. These demonstrate the wide application of sustainable engineering thinking in such spheres as water management, chemical industry, and electronics.

Gagnon, B., Leduc, R., and Savard, L., Sustainable development in engineering: a review of principles and definition of a conceptual framework. Cahier de recherche / Working Paper 08-18, 2008.