Electrical and Mechanical Systems Course

Lesson 1 • Safety Principles and Hazard Awareness

Identifies electrical and mechanical hazards and introduces lockout/tagout and PPE protocols. Safety compliance is required before any hands-on work.

Lesson 2 • Fundamental Electrical Concepts

Introduces voltage, current, resistance, and Ohm's Law. These concepts underpin every electrical circuit and system covered later.

Lesson 3 • Fundamental Mechanical Concepts

Covers statics, dynamics, and basic machine elements. Connects Newton's laws to real mechanical system behavior.

Lesson 4 • Reading Technical Drawings and Schematics

Teaches interpretation of electrical schematics and mechanical drawings. Enables students to extract design intent from standard documentation.

Lesson 1 • Kirchhoff's Laws and Network Analysis

Applies Kirchhoff's Voltage and Current Laws to multi-loop circuits. Enables systematic solution of circuits with multiple sources and branches.

Lesson 2 • Thevenin and Norton Equivalent Circuits

Simplifies complex networks into two-terminal equivalents for load analysis. Directly supports troubleshooting and circuit design tasks.

Lesson 3 • Series and Parallel Circuit Configurations

Analyzes voltage, current, and resistance in series and parallel arrangements. Forms the basis for understanding more complex network topologies.

Lesson 4 • DC Measurement Instruments and Techniques

Covers multimeter, ammeter, and voltmeter use in DC circuits. Accurate measurement is essential for verification and fault diagnosis.

Lesson 1 • Impedance, Reactance, and AC Networks

Introduces inductive and capacitive reactance and combines them with resistance into impedance. Enables full AC circuit analysis using phasor methods.

Lesson 2 • AC Power: Real, Reactive, and Apparent

Distinguishes real, reactive, and apparent power and introduces the power factor. Power factor correction is a key industrial energy-efficiency skill.

Lesson 3 • Three-Phase Power Systems

Covers wye and delta configurations, line vs. phase quantities, and balanced load analysis. Three-phase systems power most industrial equipment.

Lesson 4 • AC Waveforms and Phasor Representation

Defines sinusoidal waveforms, frequency, amplitude, and phase relationships. Phasor notation simplifies AC calculations throughout the chapter.

Lesson 1 • Variable Frequency Drives and Soft Starters

Introduces VFD operation, parameter configuration, and energy savings. Soft starters reduce mechanical stress during motor starting.

Lesson 2 • AC Induction Motors

Analyzes rotating magnetic fields, slip, and torque-speed curves of induction motors. Induction motors are the most common industrial drive.

Lesson 3 • DC Motors and Generators

Explains DC machine construction, torque-speed characteristics, and excitation methods. Provides the baseline for comparing AC machine behavior.

Lesson 4 • Synchronous Machines and Generators

Covers synchronous motor and generator operation, excitation control, and grid connection. Essential for power generation and large drive applications.

Lesson 1 • Gear Systems and Gear Trains

Analyzes spur, helical, bevel, and worm gears for speed and torque conversion. Gear train ratios directly affect system performance.

Lesson 2 • Shafts, Keys, and Couplings

Covers shaft design, keyway sizing, and coupling selection for torque transmission. These elements connect prime movers to driven loads.

Lesson 3 • Bearings and Lubrication

Introduces rolling-element and plain bearings, load ratings, and lubrication requirements. Bearing selection and lubrication directly impact machine life.

Lesson 4 • Brakes, Clutches, and Overload Devices

Examines friction brakes, electromagnetic clutches, and torque limiters for controlled engagement. These devices protect machinery and enable precise motion control.

Lesson 1 • Hydraulic Control Valves and Circuits

Covers directional, pressure, and flow control valves and their circuit symbols. Valve selection and placement define system function and safety.

Lesson 2 • Fluid Power Fundamentals

Covers Pascal's Law, Bernoulli's principle, and fluid properties relevant to power systems. These principles govern all hydraulic and pneumatic behavior.

Lesson 3 • Pneumatic Components and Circuits

Introduces compressors, FRL units, pneumatic actuators, and control valves. Pneumatic systems are widely used for automation and tooling.

Lesson 4 • Hydraulic Pumps and Actuators

Analyzes gear, vane, and piston pumps alongside hydraulic cylinders and motors. Pump selection determines system pressure and flow capacity.

Lesson 1 • Industrial Networking and HMI Integration

Covers fieldbus protocols, Ethernet-based networks, and HMI configuration. Networked control systems enable centralized monitoring and data collection.

Lesson 2 • Programmable Logic Controllers (PLCs)

Introduces PLC hardware, scan cycle, and ladder logic programming. PLCs are the primary control platform in industrial automation.

Lesson 3 • PID Control and Process Tuning

Explains proportional, integral, and derivative control actions and tuning methods. PID loops regulate temperature, pressure, speed, and flow in industry.

Lesson 4 • Sensors and Transducers

Covers position, temperature, pressure, and flow sensors used in industrial control. Accurate sensing is the foundation of reliable automation.

Lesson 1 • Electrical Diagnostic Techniques

Applies insulation resistance testing, thermography, and power quality analysis to electrical faults. Early detection prevents catastrophic failures.

Lesson 2 • Root Cause Analysis and Failure Investigation

Introduces RCA methods including fishbone diagrams and fault trees to identify failure causes. Systematic analysis prevents recurrence of costly failures.

Lesson 3 • Maintenance Strategy Frameworks

Compares reactive, preventive, predictive, and reliability-centered maintenance approaches. Strategy selection balances cost, risk, and equipment criticality.

Lesson 4 • Maintenance Planning and Work Management

Covers work order systems, spare parts management, and maintenance scheduling. Effective planning maximizes equipment availability and resource efficiency.