Electrical Engineering Course (LV/MV)

Explore lighting system design, classification of lighting units and luminaire types, and manual lighting calculations, with AutoCAD drafting, calculation sheets, simulation dialogues, and code-compliant installation guidance.

Explore the kelvin color temperature and its correlated color temperature scale from 1,000 to 10,000 kelvin, and how candle, sodium lamps, cool white, and natural white lighting guide illumination.

Explains the IP protection level system, detailing solid object protection digits 1–6 and water protection digits 1–8, with examples like IP67 and IP65 across bathroom zones.

Learn how to measure light with lux and lumen, determine indoor lux requirements, compute required lighting units using area, luminaires' lumen, utilization and maintenance factors, room index, and spacing rules.

Explore the fundamentals of lighting switches, including one way and two way circuits, one to four gang configurations, plate and blade switches, and dimmer control with line and neutral wiring.

Learn the essential AutoCAD basics for electrical design, including the quick access toolbar, drawing lines, polylines, rectangles, circles, and applying move, copy, rotate, offset, trim, and extend.

Review architectural plans and sections in AutoCAD, coordinate with engineers, and set up lighting-focused layers and gray grid layouts to prepare a clear electrical lighting design for a multi-floor building.

Add legends by importing region symbols, organize lighting fixtures for hospital, residential, and commercial projects, copy and paste blocks, then move and explode for modification.

Select four luminaire types from Philips for the office project, evaluate grid 60 by 60 and gypsum board ceilings, and adjust dimensions to match catalog specifications via a scale calculation.

Distribute lighting by placing 60 by 60 fixtures on a grid, copying luminaires into blocks, using downlights for irregular areas, and verify spacing (1.2 m, 1.6 m preferred) via dialogue software.

Learn lighting distribution for bathrooms by placing waterproof luminaires, centering fixtures, and spacing them every two meters across bathrooms using copy, offset, and center lines, with simulations.

Plan and optimize a detailed lighting distribution across office spaces using luminaire placement, copying and mirroring, then develop software to simulate, verify, and finalize with switches and electrical circuits.

Import a drawing into Dialux to simulate lighting and check lux per room, then save as dwf and import dxf via the wizard for an interior project.

Learn how to add a luminaire plugin to Dialux by downloading and installing a catalog plugin, extracting zip files, and importing four luminaire types for indoor AutoCAD drawings.

Edit room geometry by creating a rectangular work area, adding corner points and columns, and applying height from drawings, then preview in 3d and set wall, floor, and ceiling materials.

See how to use Dialux software to distribute luminaires in an AutoCAD drawing, import Philips plugin luminaire types, modify dimensions, run lighting calculations, and review 3D simulations for lighting quantities.

Explore extracting a Dialux calculation sheet, compare office lighting against standards, and export a PDF report using 3D lighting distribution visuals, lux values, and adjustment tips.

Run corridor lighting simulation to meet 200 lux by selecting luminaires, updating catalogs, and validating results in 3d, then export an updated AutoCAD file and report.

Learn to distribute lighting switches by grouping luminaire into gangs, selecting one-way or two-way switches, and placing switches near the door at 20–25 cm with labels X, Y, L, P.

Plan and arrange lighting controls by placing one-way and two-way switches in different gang configurations for offices, corridors, bathrooms, and staircases, labeling blocks with letters like a, b, c, d.

Design and install a lighting circuit with a distribution panel, voltage drop considerations, zoning into zones, and a single home run wiring plan with phase color coding.

Finalize the lighting circuit drawing and introduce calculation methods, detailing L1 and L2 totals to ensure accurate circuit distribution and prepare for main breaker sizing in the next lecture.

Explore lighting installation methods, including inside and outside slab conduit, EMT and DRC use, junction boxes, pull boxes, and the fittings needed for safe, coordinated luminaire installation.

Apply a low voltage system to architect drawings of a two-floor villa, using AutoCAD and PDF to plan bedrooms, bathrooms, maid room, laundry, balcony, and common areas.

Prepare an AutoCAD architectural drawing by removing unwanted symbols, deleting similar elements, and organizing walls, doors, windows, and dimensions; then convert parts to gray blocks for an electrical layout.

Import and place legend regions as a block, then scale to fit the drawing using a defined base point. Verify AutoCAD units are set to millimeters or centimeters for accuracy.

Distribute lighting fixtures in the dining room with even spacing every two meters, then simulate with Deluxe to verify luminaire counts and wattage, adjusting placement with dimensions and catalog luminaries.

Plan roof floor lighting distribution for a villa, placing luminaries on stairs, laundry, bathroom, and lobby, with a false ceiling, IP67 wall-mounted fixtures, and center-line layouts for even illumination.

Learn how to download and install Dialux Evo, then navigate its interface to start an outdoor building planning project, exploring construction, light calculation, and documentation modules.

Import a DWG from AutoCAD into Dialux software, set axis and millimeter units, select european standards for lighting calculations, then build the module and arrange lighting fixtures.

Build the ground floor module by importing the dwg, marking exterior walls, switching to wireframe and 3d rendering, setting storey height, defining interior rooms, and adding windows and doors.

This lecture completes the ground floor module with ceiling slab, adds the first floor module and clay roof, imports data, aligns axes, and finalizes walls, doors, and windows.

Finalize the roof floor by setting axis X, limiters, exterior walls and balcony; then create the ground-floor plan with windows, doors, cutouts, and review in 3D site view.

Learn to create an outdoor landscape area by defining a walkway and green spaces, adjusting elevations, and applying materials like grass and brick in the catalog.

Learn how to add and customize furniture in a 3d interior module, including importing items from a catalog, applying colors and materials, and adjusting size and position.

Distribute lighting across a module by selecting luminaires from catalogs, importing them into the design software, placing fixtures on the plan, and running a project calculation with 3D simulations.

Explore power outlets and receptacles, including single pole and duplex types, A–N plug shapes, and L, N, E wiring. Learn load estimation, circuit limits, and coordination with architecture and MEP.

Learn to distribute power outlets from architectural drawings, using floor boxes, duplex and IP-rated outlets for office workstations, internet, computer, TV, and printers.

Design power outlet circuits from drawings to distribution, using a dedicated panel port and separate lighting panel; calculate load per circuit (1.5 kW) and per outlet (200 W) and label.

Understand the hvac system basics, including the refrigeration cycle with evaporator, condenser, compressor, and expansion valve, plus energy efficiency metrics like eer, cop, and seer.

Explore mechanical equipment in buildings, covering elevator systems (traction, mrl, hydraulic), escalators, water pumps (foster, submersible) with floats, water heaters, fire pumps, fire man switches, and the vac system.

Identify the distribution panel and its components: panel box, copper busbar, panel trench, cable glands, measurement devices, and main and branch switches, along with devices like MCBs, RCDs, and isolators.

Explore the classification of distribution panels, including FDB, MDB, and MCC, plus RMU and outdoor lighting control panels with capacitor banks for power factor correction.

Learn to build a load schedule for lighting and power using an Excel sheet, detailing panel data, circuit watts, breaker ratings, color-coding, fishbone distribution, and total connected load.

Import loads from drawings into Excel and AutoCAD panel drawings, modify panel data, and outline circuit breaker sizing and cable details for a 12-way lighting panel on the seventh floor.

Compute real, apparent, and reactive power and currents for single-phase and three-phase systems using power factor, then apply demand and diversity factors to size the MCCB.

Explore the main distribution panel drawing, detailing MCB and ELCB configurations, CT current sensing, voltage measurement, and load calculations for a complete MDB setup.

Identify power cables, their construction and installation; compare unarmoured and armored cables, single-core and multi-core configurations, and cover sizing with awg and mm², plus core color codes.

Calculate full load current for motors and non-motor loads using hp, 0.746, sqrt3, voltage and efficiency; evaluate short-circuit current and voltage drop with NEC and IEEE guidance for cable sizing.

Compute the cable rating factor, the maximum current capacity, from temperature factor, soil resistivity factor, depth laying, and grooving factor for single core and multi core cables using catalog tables.

Use an Excel sheet to calculate voltage drop and current capacity, import catalog data to size cables, and select a suitable circuit breaker for a 2000 kVA load.

Use Echo Dial software to size cables and calculate Waldrop voltage drop, creating a project with passive, motor, lighting, and socket loads, and generate a detailed installation report.