Pancyprian TS Elec. Eng. III ΘΚ study plan

Set up a formula sheet for DC circuit laws (Ohm, Kirchhoff's voltage and current laws, series/parallel reduction, voltage and current dividers) and apply it to at least 15 solved numerical problems.

Solve mesh-analysis and nodal-analysis problems on networks with two sources or fewer, checking each answer by a second method.

Compute Thevenin and Norton equivalents for at least 6 circuits containing independent sources and one controlled source, and state the load for maximum power transfer.

Explain in writing when superposition applies and demonstrate it on 3 circuits with two independent sources.

Convert between time-domain and phasor representations for sinusoidal quantities and compute impedance of R, L and C combinations at a stated frequency.

Solve series and parallel AC circuits using phasors, and calculate real, reactive and apparent power plus power factor for each.

Draw and interpret phasor diagrams for at least 3 circuits, showing the phase relationship between supply voltage and current.

Analyse a balanced three-phase star and delta load, computing line and phase currents and total power.

Derive and use the transformer EMF equation, and calculate turns ratio, secondary voltage and current for ideal and practical transformers.

Compute equivalent resistance and reactance referred to primary and secondary, and use them to estimate regulation at a stated load power factor.

Describe the tests used to obtain transformer parameters (open-circuit and short-circuit tests) and state which losses each test represents.

Solve problems on DC machine EMF and torque equations, and on induction motor slip, synchronous speed and rotor frequency.

Compare starting methods for induction motors (direct-on-line, star-delta, autotransformer, soft starter) and select the appropriate one for 3 stated load and supply scenarios.

Interpret a motor nameplate fully, including duty, insulation class, IP rating and connection, and state what each entry constrains.

Apply cable current-carrying capacity, derating factors and voltage-drop limits to select a conductor size for 4 given circuits.

Identify the purpose of protective devices and the required disconnection times for final circuits in the relevant wiring regulation framework.

Classify earthing systems (TN-S, TN-C-S, TT, IT) and state the fault path, protective device relied upon and key hazard for each.

Calculate earth-fault loop impedance and verify that the protective device will disconnect within the required time for 3 example installations.

Specify residual current device ratings and types for given applications, including discrimination between series devices.

Explain equipotential bonding and the role of main and supplementary bonding in limiting touch voltage.

Explain the conduction states and switching behaviour of diodes, thyristors and IGBTs, and match each device to a suitable application.

Analyse single-phase half-wave and full-wave rectifiers with resistive and inductive loads, calculating average and RMS output voltage and ripple.

Describe the principle of pulse-width modulation and compute duty cycle, average output voltage and ripple for a buck converter.

Compare variable-frequency drive control strategies (voltage/frequency, vector control) and state where each is appropriate.

Select instruments for measuring voltage, current, power and resistance, and state the effect of meter loading and burden on the reading.

Compute the uncertainty of a measurement that combines several instrument readings, and identify which reading dominates.

Describe the purpose and procedure of insulation resistance, continuity and earth electrode resistance tests, including safe isolation before testing.

Outline the structure of a generation-transmission-distribution system and explain why high voltage is used for bulk transmission.

Read and produce schematic and wiring diagrams using standard symbols, and cross-reference them to a component list.

Complete two timed mock papers under exam conditions and mark them against the official answer key or a self-built rubric.

Rank your weakest three sub-topics from the mock results and rework 5 problems in each.

Consolidate all formula sheets into a single revision sheet you can reproduce from memory.