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DRAWING AND E, , , , , , RATIONALE, A diploma holder in. Electrical Engineering is supposed to have ability to, , i) Read, understand and interpret electrical e drawings, , ii) Communicate and correlate through sketches and drawings, , iii) Prepare working drawings of electrical circuits, motor control, earthing and, motor parts, , , , , , The contents of this subject has been designed to develop requisite knowledge and skills of, electrical drawings in the students of diploma in electrical engineering., , , , LEARNING OU, , , , CO!, , , , s, After undergoing the subject, students will be able to:, , gnize contactor and its use in various applications of 3 phase induction motor, recognize different types of earthing, , name relevant IS specification for earthing, , read and interpret key diagrams, , + read and interpret schematic and wiring diagrams, , * Prepare estimate of wiring installation, , * Prepare estimate of small sub-station., , , , DETAILED CONTENTS, 1 Contractor Control Circuits (10 periods), , Design of circuit drawing of schematic diagram and power wiring diagram of following, circuits, specification of contactors, , , , arting of 3-phase induction motor, 1.2 3-phase induction motor getting supply from selected feeder, 13 Forwarding), 1.4 Two speed control of 3-phase induction motor, , 1.5 Limit switch control of a 3-phase induction motor, , 1.6 Sequential operating of two motors using time delay relay, , 1.7. Manually generated star delta starter for 3-phase induction motor, 1.8 Automatic star delta starter for 3-phase Induction Motor, , 1.9 Control circuit for cross road signal, , , , versing of a 3-phase induction motor, , 2 Earthing (08 periods), 2.1 Concept and purpose of earthing,, CORRECTED AND APPROVED BY BOARD OF TECHNICAL EDUCATION,U.P,LUCKNOW IN, , , , MEETING HELD ON 10.07.2019 @RASHMI SONKAR, , , , 2.2 Different types of earthing, drawings of plate and pipe earthing, , 23 Procedure of earthing, test of materials required and costing and estimating,, , 24 Method of reducing earth resistance, , 2.5 Relevant IS specifications of earth electrode for earthing a transformer, a high, building, , 2.6 Farthing layout of distribution transformer, , 2.7. Substation earthing layout and earthing materials, 2.8 Line diagram of I1kV, 33kV, 66kV, 132 kV sub-stations, , 3. Schematic Diagram of lighting system of conference room/Theatre/sports stadium, (indoor and outdoor) and Circuits using timers using CAD and, Drawing sheets,, (08 periods), , 4, Estimation of Internal Wiring Installation (12 periods), , Estimation of wiring installation for commercial and industrial buildings such as rmultistoried hotels, hospitals, schools, colleges, cinema, community centers, public library,, high rise residential buildings ete. including design of layout, load estimation, Demand, factor and diversity factor, power distribution scheme, list of material with, specifications estimation of cost preparing relevant electrical schedule or rate (CPWD., or PWD) using latest practices, materials and accessories., , 5. Estimation of Power Wirin;, , , , (08 periods), , LS. specifications and LF. rules, calculation of current for single and three phase, ‘motors. Determination of sizes of cables, conductors distribution board, main switches, and starters for power circuits. Cost of equipments and accessories and schedule of, material. Estimation and cost of material and work for motors up to 20 H.P., pumpsets, and smallworkshops, , 6. Estimation of Overhead and Underground Distribution Lines (08 pettods)

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6. Estimation of Overhead and Underground Distribution Lines (08 periods), , Main components of overhead lines-line supports, eross-arm, clamps, conductors and, staysets, lightening arrestors, danger plates, anti climbing devices, bird guards, jumpers, ete., concerting of poles, earthing of transmission line, formation of lines, specification, of materials for O.H. lines, 1.8, specification and LE. rules. Cost of material and work, for overhead and undergoing lines up to 11 KV only., , 7. Estimation of Service Connections (08 periods), , Service connection, types of service connections-overhead and underground for single, story and double story buildings, estimate of materials required for giving service, connection to domestic consumers, commercial consumers and industrial consumers at, L-T. and H.T. costing of material and work in above cases., , CORRECTED AND APPROVED BY BOARD OF TECHNICAL EDUCATION,U.P,LUCKNOW IN, MEETING HELD ON 10.07.2019 @RASHMI SONKAR, , 168, , 8. Estimation of Small Sub-Station (08 periods), , Main equipments and auxiliaries installed on the substation, Estimation of materials, required for a small distribution substation (indoor and outdoor type-platform and pole, mounted). Costing of material and work of above substations, , Note: Draw various schematic and wiring diagrams using graphic package(preferably, CAD), , LIST OF PRACTICALS:, , , , 1 Farthing, , 2 Commercial and industria! buildings, , 3 Power wiring layout and circuits, , 4 Stays, line crossings, line earthing, end poles and terminal poles, junction poles/towers and transposition, pole/towers., , 5. Service connection domestic, industrial and agriculture,, , 6 Substation layout and bus bar arrangements, , 7. Machine drawings-induetion and synchronous machines., , 8 Winding of induetion machine, 3phase; Iphase., , 9 Reading and interpreting practical drawing of wiring installation and control circuits,, , 10, Winding of synchronous machine 3 phase. (alternator and synchronous motor), , MEANS OF ASSESSMENT, , Design and drawing, = Assignments and quiz/class tests, mid-term and end-term written tests, model/prototype making, , , , RECOMMENDED BOOKS, , Electrical Design and Drawings by Raina & Bhattacharya, , Electrical Design & Drawings by Sarabjeet Singh, , IEEE Guide 80 for Earthing, IEEE Publication, New York, , Electrical Design and Drawing by Surjit Singh, North Publication, Jalandhar, , BIS for Electrical Earthing, , e-books/e-toolsirelevant software tobe used as. recommended by, AICTE/UBTE/NITTTR, , , , Awepwene, , , , 's for Reference:, , , , CORRECTED AND APPROVED BY BOARD OF TECHNICAL EDUCATION,U.P,LUCKNOW IN, MEETING HELD ON 10.07.2019 @RASHMI SONKAR