Electrical Engineering Guides

Illumination Engineering

Metal Halide Lamps: A Comprehensive Guide

A metal halide lamp is a type of high-intensity discharge (HID) lamp that produces light by an electric arc through a gaseous mixture of vaporized mercury and metal halides. Metal halides are compounds of metals with bromine or iodine. Metal halide lamps have high luminous efficacy, color rendition,

By Electrical4u 03/16, 2024
Illumination Engineering

Street Lighting Design: Layout & Calculations

Street lighting design is the design of street lighting such that people can safely continue their travels on the road. Street lighting schemes never brings the same appearance of daylight, but provide sufficient light for people to see important objects required for traversing the road. Street ligh

By Electrical4u 03/16, 2024
Illumination Engineering

Tunnel Lighting Design And Requirements

Tunnel lighting is necessary to solve the problem of abrupt adaptability of the environment inside the tunnel. It is necessary to balance the adaptability of the inside and outside luminance for the person entering or exiting the tunnel. This design is based on certain critical length of the tunnel.

By Electrical4u 03/16, 2024
Illumination Engineering

Factors to Consider in Interior Lighting Design

General Interior Lighting in Past and Present We know electric lighting in the early days when school rooms, offices and other general work areas were lighted by prismatic or translucent globes. These were suspended from the ceiling and housing incandescent lamps in such a way that such units provid

By Electrical4u 03/16, 2024
Illumination Engineering

Flood Lighting: A Comprehensive Guide

Flood lighting is a type of artificial lighting that uses high-intensity, broad-beamed light sources to illuminate large areas such as outdoor playing fields, stadiums, buildings, monuments, landscapes, and other architectural features. Flood lighting can create dramatic effects, enhance visibility,

By Electrical4u 03/16, 2024
Illumination Engineering

Hospital Lighting: Design, Requirements, and Types

Hospital lighting is an essential aspect of healthcare facilities that affect the well-being and performance of patients, staff, and visitors. Hospital lighting design should consider the specific needs and preferences of different spaces and users, as well as the energy efficiency and sustainabilit

By Electrical4u 03/16, 2024
Illumination Engineering

Arc Lamp: What is it?

What is an Arc Lamp? An arc lamp is a type of electric lamp which produces light by creating an arc in the space between two electrodes when electrical energy is supplied. In the early 1800s, Sir Humphry Davy invented the first arc lamp. In that first lamp, two electrodes of carbon were used. The ar

By Electrical4u 03/16, 2024
Illumination Engineering

Tube Light Connection Circuit & Wiring Diagram

Required Wiring Components A tube light is not connected in the supply main directly. Although it operates at 230 V, 50 Hz, some auxiliary electrical components are used to insert in this installation to support the tube light operational principle. The total electrical components for single tube li

By Electrical4u 03/16, 2024
Illumination Engineering

Working Principle of a Tube Light

What is Tube Light? Tube shaped fluorescent lamp is termed as tube light. Tube light is a lamp that works on low pressure mercury vapor discharge phenomenon and converts ultra violate ray into visible ray with the help of phosphor coated inside glass tube. Material Used Inside the Tube Light The mat

By Electrical4u 03/16, 2024
Illumination Engineering

Construction of Fluorescent Lamp

A fluorescent tube light consists of a lime glass tube drop of mercury argon gas phosphor coating electrode coils mounting assemblies aluminum cap Total set up of a lamp requires two bases and electromagnetic ballast or choke coil with a starter. The electrode mount assemblies are at both the ends o

By Electrical4u 03/16, 2024
Illumination Engineering

Electronic Ballast: Working Principle & Circuit Diagram

What is Electronic Ballast? An electronic ballast (or electrical ballast) is a device that controls the starting voltage and the operating currents of lighting devices. It does this through the principle of electrical gas discharge . An electronic ballast will convert power frequency to a very high

By Electrical4u 03/16, 2024
Illumination Engineering

Mercury Vapour Lamp

In case of fluorescent lamp the mercury vapour pressure is maintained at lower level such that 60% of the total input energy gets converted into 253.7 nm single line. Again transition of the electrons requires least amount of input energy from a colliding electron. As pressure increases the chance o

By Electrical4u 03/16, 2024

Free Expert Guides on Power Systems, Circuit Design & Electrical Troubleshooting

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Metal Halide Lamps: A Comprehensive Guide

Street Lighting Design: Layout & Calculations

Tunnel Lighting Design And Requirements

Factors to Consider in Interior Lighting Design

Flood Lighting: A Comprehensive Guide

Hospital Lighting: Design, Requirements, and Types

Arc Lamp: What is it?

Tube Light Connection Circuit & Wiring Diagram

Working Principle of a Tube Light

Construction of Fluorescent Lamp

Electronic Ballast: Working Principle & Circuit Diagram

Mercury Vapour Lamp

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