REE Electrical Power Systems and Machines Review
REE Electrical Power Systems and Machines Review
REE Day 3 covers Power Systems + Machines analysis.
What PRC asks
| Topic block | Approx. items |
|---|---|
| Circuit analysis (DC + AC) | 12 |
| Three-phase circuits | 10 |
| Power generation systems | 10 |
| Power transmission lines | 12 |
| Power distribution systems | 10 |
| Symmetrical components + fault analysis | 10 |
| Power system stability | 6 |
| Synchronous machine analysis | 10 |
| Induction machine analysis | 10 |
| DC machine analysis | 6 |
| Power factor correction | 4 |
Circuit analysis
- Network theorems (Thevenin, Norton, superposition)
- Mesh + nodal analysis
- AC circuits: phasor analysis, power
- Resonance: series + parallel
Three-phase circuits
- Y + Δ connections
- Balanced + unbalanced systems
- Power calculation
- Per-unit analysis
Power generation
- Conventional plants (steam, gas, hydro)
- Renewable (solar, wind)
- Combined cycle
- Capacity factor + load factor
Power transmission
- Transmission line parameters (R, L, C)
- Short, medium, long line models
- Voltage regulation + efficiency
- Reactive power compensation
- Surge impedance loading
Power distribution
- Distribution voltage levels
- Radial vs loop distribution
- Distribution transformer applications
- Service entrance design
Symmetrical components + fault analysis
- Sequence impedances
- Symmetrical fault: 3-phase short circuit
- Unsymmetrical faults: SLG, LL, LLG
- Fault current calculation
Power system stability
- Steady-state stability
- Transient stability
- Equal area criterion
Machine analysis
- Synchronous: armature reaction, voltage regulation, power-angle characteristics
- Induction: equivalent circuit, performance, speed control
- DC: armature reaction, commutation, characteristics
Power factor correction
- PF improvement methods
- Capacitor sizing
- Synchronous condenser
A 6-week drilling plan
| Week | Focus | Volume target |
|---|---|---|
| 1 | Circuit analysis + 3-phase | 80 problems |
| 2 | Power generation + transmission | 80 problems |
| 3 | Distribution + fault analysis | 80 problems |
| 4 | Synchronous + induction machines | 80 problems |
| 5 | DC machines + PF correction + stability | 60 problems |
| 6 | Mock + remediation | 1 mock + 60 problems |
Realistic scores
| Diagnostic baseline | Realistic test-day score |
|---|---|
| 50% | 70% |
| 60% | 78% |
| 70% | 84% |
Where Super Tutor fits
Super Tutor's REE track covers Power Systems.
What to read next
The REE 2026 pillar guide covers the full review.
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