Electric Energy Engineering Laboratory

Course Description

Electric Energy Engineering Laboratory provides hands-on experience with fundamental devices of electric power systems such as transformers, electrical machines, power passive components, and power electronic converters, as well as all measuring and recording instruments. UWF states that the lab corresponds with EEL3211 and lists it as an explicit co-requisite.

Within the SCNS taxonomy, EEL is the Electrical Engineering prefix. The University of West Florida publishes this at 1 semester hour through the Department of Electrical and Computer Engineering, College of Science and Engineering.

⚠⚠ This entry uses an explicit Co-requisite: field rather than the asterisk notation used elsewhere in the prefix. UWF has two ways of expressing the same relationship, and this is the rarer one — discussed below.

Machines are the part of electrical engineering that most rewards being in the room with the equipment. A torque-speed curve on paper is a line; a loaded induction motor is a machine that draws six times its rated current at starting, heats measurably, and slows under load in a way the curve predicts but does not convey. This laboratory is also where the equipment stops being safe in the way signal-level circuits are — the voltages, currents, and stored rotational energy here are genuinely hazardous, and the safety practice is correspondingly serious.

⚠ 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 convention established for engineering and science laboratories at UWF — 45 contact hours for 1 semester hour, matching the live EVR2001L and OCE1001L rather than the 30 used for allied-health laboratories. A 1-credit engineering laboratory meeting three hours a week for a fifteen-week term reaches 45, which is the usual shape. Confirm the meeting schedule with the department.

Learning Outcomes

Required Outcomes

• Apply electrical safety practice appropriate to power-level equipment.
• Operate power laboratory instrumentation including wattmeters and power analysers.
• Measure real, reactive, and apparent power and determine power factor.
• Wire three-phase circuits in wye and delta configurations safely.
• Perform transformer open-circuit and short-circuit tests.
• Determine transformer equivalent circuit parameters from measurements.
• Measure transformer voltage regulation and efficiency under load.
• Connect and test three-phase transformer configurations.
• Measure DC machine characteristics for different excitation types.
• Demonstrate DC motor speed control methods experimentally.
• Perform induction motor no-load and blocked-rotor tests.
• Determine induction motor equivalent circuit parameters from test data.
• Measure and plot an induction motor torque-speed characteristic.
• Measure induction motor starting current and explain its magnitude.
• Operate a synchronous machine and demonstrate excitation control.
• Demonstrate synchronous machine power factor correction.
• Observe power electronic converter operation and waveforms.
• Compare measured machine performance with theoretical prediction.
• Estimate and report measurement uncertainty.
• Write a technical laboratory report presenting machine performance data.

Optional Outcomes

• Operate a variable frequency drive and observe its effects.
• Measure harmonic content in converter-fed machine current.
• Synchronise a generator to a supply.
• Measure machine temperature rise under load.
• Demonstrate motor protection device operation.

Major Topics

Required Topics

• Power laboratory safety practice
• Power measurement instrumentation
• Real, reactive, and apparent power measurement
• Three-phase wiring: wye and delta
• Transformer open-circuit and short-circuit tests
• Transformer parameter determination
• Transformer regulation and efficiency
• Three-phase transformer connections
• DC machine characteristics
• DC motor speed control
• Induction motor no-load and blocked-rotor tests
• Induction motor parameter determination
• Torque-speed characteristic measurement
• Starting current and inrush
• Synchronous machine operation and excitation
• Power factor correction
• Power electronic converter waveforms
• Measurement uncertainty
• Technical reporting

Optional Topics

• Variable frequency drives
• Harmonics in drive-fed machines
• Generator synchronisation
• Thermal testing
• Motor protection devices

Resources & Tools

• The department's machines laboratory — motor-generator sets, dynamometers, three-phase supplies, and power analysers. This equipment is expensive and the scheduled hours are the access to it.
• Chapman, Electric Machinery Fundamentals — whichever text supports EEL3211; the theory this laboratory verifies.
• IEEE Std 112 — the standard test procedure for polyphase induction motors, and the source of the no-load and blocked-rotor methods used here. Check UWF Libraries for IEEE Xplore access.
• IEEE Std C57 series — transformer testing standards.
• NEMA MG 1 — motor nameplate vocabulary: design letters, service factor, insulation class.
• NFPA 70E — the electrical safety standard governing work on energised equipment, and the basis for the arc flash practice the laboratory will follow.
• A bound laboratory notebook — normally required, and the habit is professional.
• Instrument manuals for the power analyser — free from the manufacturer, and worth reading; power measurement has more configuration traps than a multimeter does.

Career Pathways

• Electrical engineers — SOC 17-2071.
• Electrical and electronic engineering technologists and technicians — SOC 17-3023.
• Utility field and substation engineering — Florida Power & Light, Duke Energy Florida, TECO, JEA, Gulf Power.
• Industrial plant electrical engineering and motor maintenance — motor testing is a routine industrial function, and the tests learned here are the ones performed.
• Motor and drive commissioning — field roles with manufacturers and integrators.
• Marine and naval electrical systems — NSA Panama City in UWF's region.
• Test engineering — machine and transformer manufacturers run substantial test departments.
• ⚠ Hands-on power laboratory experience is a genuine differentiator in utility hiring, where many applicants have theory only.

Special Information

⚠⚠ This entry uses an explicit Co-requisite field — UWF has two notations for the same idea

• UWF publishes "Co-requisite: EEL 3211" on this entry, rather than using the asterisk notation that marks concurrent courses elsewhere in the prefix.
• The practical meaning is the same in effect: EEL3211 and this laboratory are taken together, and UWF states plainly that the "lab corresponds with EEL 3211."
• ⚠ The explicit co-requisite is the stricter reading. An asterisked prerequisite permits the other course to have been taken previously; a co-requisite conventionally means at the same time. A student who already completed EEL3211 in an earlier term should confirm with an advisor that they may take this laboratory alone.
• ⚠⚠ The two notations are rare enough to be worth flagging. Across the ANT and EEL prefixes, the explicit Co-requisite field appears only a handful of times while the asterisk appears fourteen times in EEL alone — so a reader who learns only one notation will misread the other.

⚠⚠ 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.

⚠⚠ Power laboratory safety is a different category from circuits laboratory safety

• The voltages and currents here can kill. Three-phase supplies at line voltage, machines drawing tens of amperes, and stored rotational energy make this the most hazardous undergraduate laboratory in the electrical curriculum. Treat every instruction as load-bearing.
• ⚠⚠ Never energise a circuit without having it checked. Most laboratories require an instructor or teaching assistant to inspect wiring before power is applied, and that rule exists because miswired three-phase circuits fail spectacularly.
• ⚠ Rotating machinery does not stop instantly. A de-energised motor coasts, and a machine coupled to a load can be driven by it. Keep hands, hair, jewellery, loose clothing, and lanyards clear of shafts and couplings.
• ⚠⚠ Induction motor starting current is roughly six times rated current, which trips protection, dips the supply, and surprises students who have only seen the steady-state numbers. It is expected behaviour, not a fault.
• An open-circuited current transformer secondary develops dangerous voltage. Never open a CT secondary while primary current flows — short it first.
• Synchronous machine field windings store energy, and interrupting field current inductively produces high voltage.
• Know the emergency stop and the disconnect before energising, and never work alone.

⚠ How to get value from a 1-credit machines laboratory

• Predict before you measure. Compute the expected efficiency or slip from the theory, then measure — the comparison is the learning, and a measurement with no prediction teaches nothing.
• ⚠ Machine test data is noisier than circuits data. Temperature changes resistance during a test, loading is rarely exactly steady, and instrument accuracy at low power factor is poor. Estimate the uncertainty rather than writing "human error."
• ⚠⚠ Never adjust data to match theory. It is detectable, it is academic misconduct, and in professional practice fabricated test data on electrical equipment gets people hurt.
• Record nameplate data for every machine you test. Rated voltage, current, power, speed, and service factor are the context that makes the measurements interpretable.
• Take the laboratory seriously even at one credit. Utility and industrial employers ask about hands-on machine experience, and few graduates have it.

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

• Scheduled laboratory sessions with pre-laboratory preparation and written reports.
• Taken with EEL3211, normally in the third year, and it is part of the gateway to the power concentration.
• ⚠ The 45-hour figure assumes a three-hour weekly session across fifteen weeks, the standard shape for a 1-credit engineering laboratory. UWF publishes no hours; confirm with the department.
• No material and supply fee is noted on this entry, unlike several other EEL laboratories.

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.

EEL3211L is 1 semester hour at the University of West Florida, taken with the 3-semester-hour EEL3211. Institutions carrying the integrated EEL3211C combine both in one course, and transfer between the two forms is evaluated by hand.