Electric Energy Systems 1

Course Description

Electric Energy Systems 1 covers system models for generators, transformers, transmission lines and large-scale power networks, together with matrix formulations, power flow and analysis, symmetrical component theory, and balanced and unbalanced fault analysis.

Within the SCNS taxonomy, EEL is the Electrical Engineering prefix. The University of West Florida publishes this at 3 semester hours through the Department of Electrical and Computer Engineering, College of Science and Engineering. It is offered at approximately 6 Florida institutions.

⚠ The SCNS title for this number is "Power Systems I"; UWF publishes it as "Electric Energy Systems 1." The content described is the standard first power systems course, so the drift here is naming rather than scope — but an evaluator matching on title alone may not connect them, so carry a syllabus when transferring.

This is the course where circuit analysis scales up to something that spans a state, and the change is not just one of size. A transmission network cannot be solved by nodal analysis in the way a bench circuit can: the equations are nonlinear because loads are specified as constant power rather than constant impedance, and the solution is iterative. The per-unit system, symmetrical components, and the power flow algorithm are the three tools that make the problem tractable, and each is a genuine conceptual step rather than a notational convenience.

Symmetrical components in particular is the idea students find strangest and later value most. Decomposing an unbalanced three-phase fault into positive, negative and zero sequence networks turns a problem that resists direct analysis into three balanced problems that do not — and essentially all protective relaying is designed in those coordinates.

⚠ The contact-hour figure is derived — the University of West Florida publishes none

UWF's catalog publishes a credit value in semester hours, the college and department, prerequisites, and a description. It does not publish contact hours, a lecture and laboratory split, or terms of offering for any course. It does publish a material and supply fee notice on the minority of courses that carry one — and maintains a separate Material & Supply and Equipment Fees section of the catalog — so the absence of a fee notice on this entry is meaningful, while the fee amount is not published here. Every contact-hour value in a UWF guide in this repository is therefore derived. The figure here applies the standard lecture convention of 15 contact hours per credit, giving 45 hours for a 3-semester-hour course. Confirm the meeting schedule with the department.

Learning Outcomes

Required Outcomes

• Describe the structure of a modern power system from generation to load.
• Apply the per-unit system and select appropriate bases.
• Convert between per-unit quantities on differing bases.
• Analyse balanced three-phase circuits in both wye and delta configurations.
• Compute real, reactive, complex and apparent power, and interpret power factor.
• Model transformers, including tap changing and phase shift, for system studies.
• Model synchronous generators for steady-state analysis.
• Compute transmission line parameters: resistance, inductance, and capacitance.
• Apply short, medium, and long line models appropriately.
• Analyse transmission line voltage regulation and efficiency.
• Construct the bus admittance matrix for a network.
• Formulate the power flow problem and classify bus types.
• Solve a power flow using Gauss-Seidel and Newton-Raphson methods.
• Interpret power flow results for operational meaning.
• Apply symmetrical component transformation to unbalanced systems.
• Construct positive, negative, and zero sequence networks.
• Analyse balanced three-phase faults and compute fault current.
• Analyse single line-to-ground, line-to-line, and double line-to-ground faults.
• Explain how fault study results inform equipment ratings and protection.
• Use software to perform power flow and fault studies.

Optional Outcomes

• Describe economic dispatch at an introductory level.
• Describe protective relaying principles.
• Describe transient stability concepts and the equal-area criterion.
• Describe reactive power compensation devices.
• Describe grounding practice and its effect on zero sequence networks.

Major Topics

Required Topics

• Power system structure and components
• The per-unit system
• Balanced three-phase analysis
• Real, reactive, and complex power
• Transformer models
• Synchronous generator models
• Transmission line parameters
• Short, medium, and long line models
• Voltage regulation and line efficiency
• The bus admittance matrix
• Power flow formulation and bus types
• Gauss-Seidel and Newton-Raphson solutions
• Interpreting power flow results
• Symmetrical components
• Sequence networks
• Balanced three-phase fault analysis
• Unbalanced fault analysis
• Fault studies and equipment rating
• Power system analysis software

Optional Topics

• Economic dispatch
• Protective relaying
• Transient stability and the equal-area criterion
• Reactive compensation
• System grounding

Resources & Tools

• Glover, Overbye and Sarma, Power System Analysis and Design — the most widely adopted text for this course in the United States, and it ships with PowerWorld.
• Bergen and Vittal, Power Systems Analysis and Grainger and Stevenson — the standard alternatives.
• PowerWorld Simulator — a free educational version supports networks up to a limited bus count, which is ample for coursework; it is also used in industry, which makes it a genuine resume line.
• MATLAB with MATPOWER — MATPOWER is free and open source; the standard research tool for power flow and optimal power flow, and it runs on Octave as well as MATLAB.
• OpenDSS (EPRI) — free; distribution system simulation, and increasingly relevant as distributed solar grows.
• pandapower — free Python power system analysis, a complete alternative if MATLAB access is limited.
• IEEE Power and Energy Society — student membership is inexpensive and this is the society to join if power is your direction; it also runs scholarships and a substantial job board.
• NERC reliability standards (nerc.com) — free; the rules the bulk power system is actually operated under.
• IEEE standards — IEEE Std 141 (Red Book) and IEEE Std 242 (Buff Book) for industrial power and protection; UWF Libraries may provide IEEE Xplore access, which is worth checking before buying anything.
• ANSI C84.1 — the voltage rating standard that defines what "nominal" means in United States practice.

Career Pathways

• Electrical engineers — SOC 17-2071; power is the branch of electrical engineering where the PE licence genuinely matters.
• Florida utilities — Florida Power & Light (NextEra Energy), Duke Energy Florida, TECO, JEA, Orlando Utilities Commission, and Gulf Power in UWF's region; plus municipal and cooperative utilities statewide.
• Transmission and distribution planning — the direct application of power flow and fault analysis.
• Protection and control engineering — symmetrical components is the working language of relay settings, and this is a persistent shortage specialism.
• Power systems consulting — arc flash studies, coordination studies, and short-circuit studies are regulated work requiring a PE seal, and demand is steady.
• Renewable energy developers and independent power producers — NextEra is among the world's largest renewable operators and is headquartered in Florida.
• Regional transmission and reliability organisations.
• Industrial plant electrical engineering — large facilities run their own distribution systems.
• ⚠ An honest note: utility work is stable, well compensated, and unglamorous, and the workforce is ageing. Hiring demand in Florida power engineering has been consistently strong for that reason.

Special Information

⚠⚠ The asterisk in a UWF prerequisite means the course may be taken at the same time

• UWF's catalog marks a concurrent course with an asterisk, defined on the catalog's Course Information page as: "This course may be taken prior to or during the same term."
• ⚠ This is the single most useful piece of notation in the UWF engineering catalog, and it is easy to miss. A prerequisite written without an asterisk must be completed first; one written with an asterisk may be taken in the same term.
• The practical effect is on time to degree. Reading an asterisked prerequisite as a hard prerequisite adds a term to the sequence for no reason, and in a tightly chained major like electrical engineering that error compounds down the whole plan.
• Confirm with an advisor before relying on it, and note that the registration system, not the catalog text, is what actually enforces the rule.

⚠⚠ The prerequisite is EEL3211, and a grade of C or better is required

• UWF publishes: EEL3211, with a grade of C or better required. It is not asterisked, so it must be completed before enrolling.
• ⚠ EEL3211 is UWF's basic electric energy engineering course, and it is the root of the entire power sequence — EEL4213 and EEL4252 both depend on it.
• ⚠⚠ Plan EEL3211 early if you intend to concentrate in power. It is a single point of failure for the whole track, and a retake pushes every downstream power course back a year in a programme where they may run annually.
• Note that several other UWF power electives depend on EEL3111 rather than EEL3211 — EEL4283, EEL4287, and EEL4290 all take the lighter prerequisite, so they are available earlier and to non-specialists.

⚠⚠ Per-unit is where most of the avoidable errors happen

• Per-unit normalisation makes transformer turns ratios disappear and puts every quantity on a comparable scale, which is why the entire industry uses it.
• ⚠ The base must be chosen consistently across the whole system, with a single system-wide power base and voltage bases related by the transformer ratios. Mixing bases is the single most common source of wrong answers in this course.
• ⚠⚠ Manufacturer impedance data is given on the equipment's own rating, not on your system base, so it must be converted. Forgetting this conversion is the classic error and it produces fault currents that are wrong by a large factor.
• Check per-unit results for plausibility. Bus voltages should sit near 1.0 per unit; a result of 0.4 or 3.0 means a modelling error, not an interesting finding.
• Three-phase versus single-phase base conventions trip students constantly — be explicit about which you are using and stay with it.

⚠ Symmetrical components and fault studies: what the numbers are for

• Fault current magnitude determines equipment ratings. A circuit breaker must interrupt the available fault current, and an underrated breaker fails catastrophically when called upon — this is the practical reason the calculation is done.
• ⚠⚠ Single line-to-ground is by far the most common fault type on real systems, which is why the unbalanced analysis matters more than the balanced case despite the balanced case being simpler.
• Zero sequence networks depend entirely on grounding and transformer winding connections, and a delta winding blocks zero sequence current. Getting the transformer connection wrong changes the answer qualitatively, not just numerically.
• Arc flash is the safety consequence of this material. NFPA 70E governs it, incident energy calculations depend on fault current and clearing time, and the labels on industrial switchgear come out of studies like these. It is a subject where the analysis directly protects people.

Florida grid context worth carrying into this course

• Florida is close to an electrical peninsula. Its ties to the rest of the Eastern Interconnection run through a limited northern corridor, which constrains how much power can be imported during a shortfall and makes in-state generation and reserve margin unusually important.
• Summer and winter peaks are both air-conditioning and heating driven, and Florida's load shape is dominated by weather to a degree few states match.
• ⚠⚠ Hurricanes are a design condition here, not a contingency. Storm hardening, undergrounding, vegetation management, and mutual-aid restoration are ordinary parts of Florida utility engineering, and the restoration problem is a systems problem.
• Solar has grown very rapidly in Florida, and the state is now among the largest solar generators in the country — which puts the integration questions in these courses directly in front of in-state employers.
• The employers are named and local: Florida Power & Light (NextEra), Duke Energy Florida, TECO, JEA, OUC, and Gulf Power in UWF's own region, plus municipal and cooperative utilities across the state.
• ⚠ NERC reliability standards govern bulk power system operation, and compliance is a real job function — violations carry financial penalties.

FE exam relevance

The Fundamentals of Engineering (FE) exam is the first step toward Professional Engineer licensure, and in Florida it is administered under the Florida Board of Professional Engineers. Most students take the FE Electrical and Computer exam in their final year. Licensure matters less in electrical engineering than in civil — the industrial exemption means most electrical engineers in manufacturing and product work never need a PE — but it is required for consulting practice, for sealing designs, and for power and building-systems work, which is exactly where Florida's utility and infrastructure employment sits.

Course format and position in the curriculum

• Lecture with problem sets, software-based studies, and examinations.
• Typically taken in the fourth year, after EEL3211, as the entry course of the power concentration.
• ⚠ Matrix computation is central here. Comfort with linear algebra and with a computational tool is assumed even though no programming course is listed as a prerequisite.
• UWF publishes no contact hours, lecture and laboratory split, or terms of offering for any course, and no material and supply fee is noted on this entry. Confirm the offering pattern with the department — specialised power electives in a small programme frequently run once a year, and UWF does not publish frequency.

How Florida course levels affect transfer

The first digit of an SCNS number denotes the year of offering, not transferability. Courses at the 1000 and 2000 levels transfer transparently between Florida public institutions, and 3000 to 4000 is unproblematic since both are upper division. The boundary that actually matters is 2000 to 3000, where lower-division credit generally cannot satisfy an upper-division requirement. ⚠ For engineering specifically, ABET-accredited programmes commonly require that upper-division engineering coursework be taken in residence, so transferability of the credit and applicability to the degree are separate questions.

EEL4213 is 3 semester hours at the University of West Florida. Because the SCNS title ("Power Systems I") and the local title differ, students transferring credit should carry a syllabus.