JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Prerequisite

Power systems - I & Power Systems - II

Course Objectives:

• To emphasize the estimation and costing aspects of all electrical equipment, installation and designs on the cost viability.
• To design and estimation of wiring
• To design overhead and underground distribution lines, substations and illumination

Course Outcomes

After Completion of this course, student will be able to

• Understand the design considerations of electrical installations.
• Design electrical installation for buildings and small industries.
• Identify and design the various types of light sources for different applications.

UNIT - I

Design Considerations of Electrical Installations: Electric Supply System, Three phase four wire distribution system, Protection of Electric Installation against over load, short circuit and Earth fault, Earthing, General requirements of electrical installations, testing of installations, Indian Electricity rules, Neutral and Earth wire, Types of loads, Systems of wiring, Service connections , Service Mains, Sub-Circuits, Location of Outlets, Location of Control Switches, Location of Main Board and Distribution board, Guide lines for Installation of Fittings, Load Assessment, Permissible voltage drops and sizes of wires, estimating and costing of Electric installations.

UNIT - II

Electrical Installation for Different Types of Buildings and Small Industries: Electrical installations for residential buildings – estimating and costing of material, Electrical installations for commercial buildings, Electrical installations for small industries.

UNIT - III

Overhead and Underground Transmission and Distribution Lines: Introduction, Supports for transmission lines, Distribution lines – Materials used, Underground cables, Mechanical Design of overhead lines, Design of underground cables.

UNIT - IV

Substations: Introduction, Types of substations, Outdoor substation – Pole mounted type, Indoor substations – Floor mounted type.

UNIT - V

Design of Illumination Schemes: Introduction, Terminology in illumination, laws of illumination, various types of light sources, Practical lighting schemes LED, CFL and OCFL differences.

Text Books:

• 1. “K. B. Raina, S. K. Bhattacharya”, “Electrical Design Estimating and Costing”, New Age International Publisher, 2010.
• 2. “Er. V. K. Jain, Er. Amitabh Bajaj”, “Design of Electrical Installations”, University Science Press.

Reference Books:

• 1. Code of practice for Electrical wiring installations,(System voltage not exceeding 650 volts), Indian Standard Institution, IS: 732-1983.
• 2. Guide for Electrical layout in residential buildings, Indian Standard Institution, IS: 4648-1968.
• 3. Electrical Installation buildings Indian Standard Institution, IS: 2032.
• 4. Code of Practice for selection, Installation of Maintenance of fuse (voltage not exceeding 650 V), Indian Standard Institution, IS: 3106-1966.
• 5. Code of Practice for earthling, Indian Standard Institution, IS: 3043-1966.
• 6. Code of Practice for Installation and Maintenance of induction motors, Indian Standard Institution, IS: 900-1965.
• 7. Code of Practice for electrical wiring, Installations (system voltage not exceeding 650 Volts), Indian Standard Institution, IS: 2274-1963.
• 8. “Gupta J. B., Katson, Ludhiana”, “Electrical Installation, estimating and costing”, S. K. Kataria and sons, 2013. B.TECH ELECTRICAL AND ELECTRONICS ENGINEERING