APPENDIX 9FOR ENGINEERING DIPLOMA LEVEL ELECTIVE COURSEFor the branches in Mechanical, Chemical Engineering1. Course Title: Hydro Power Plants2.* Contact Hours: L: T: P:3.* Examination Duration (Hrs.): Theory : Practical :4.* Relative Weightage : CWS PRS MTE ETE PRE5.* Credit: 6.* Semester:7. Pre-requisite: NIL8. Details of Course:Autumn Spring BothSl.ParticularsNo.1. HYDROLOGY : Introduction The hydrological cycle,Measurement of run off, Hydrograph, flow duration curve, masscurve, Numerical Problems.2. Essential Elements of Hydro Power Plants: Catchment area,Reservoir, dams, Spillways, conduits, Surge Tank, Prime movers,Draft tubes, powerhouse equipment. Government Hydropowerpolicies, environmental issues, SWOT-(Strength weaknessopportunity threatening) of hydropower projects, type of clearancerequired for Hydropower project, master plan, topography,catchments area, types of streams, allotment of site-(Open bid,Mou, Joint venture). Survey & investigation, PFR-(Pre-feasibilityreport), DPR (Detailed Project Report), Process of development ofsite (announcement, allotment, clearance, agreement,commissioning).Types of survey- Topographical, metrological,hydrological, ecological, geological. Arial Rainfall Measurement,Type of flow measurement Devices-(Notch, weir, flume), dilutionmethod, and Flow duration curve (important), flood – dischargeestimation kripitech formula, dickens formula, English formula,hydrograph, unit hydrograph. Financial institution, SOI Map, Cost/ Estimation – wheeling charges, Banking, Moratorium, PPA-(Power purchase agreement), SERC-(State electricity regulatorycommission) Hydrological cycle.* These are to be decided by the respective University/Board<strong>AHEC</strong>-<strong>IIT</strong>R/Ua. Govt./syllabus/WR-HPD/2006ContactHours31041
Sl.ParticularsNo.3. Types of Hydro Power Plants: High, medium and low head plants,Base load and peak load plants, Run-or-river plant with pondage,Run-of-river plant without pondage, Storage type plant and pumpstorage plants, Mini and microhydro plants, Under groundhydropower plants.4. Hydraulic Turbines: Classifications of water turbines, principles ofworking. Impulse turbine – constructional details, velocitytriangles power and η calculations, governing of impulse turbines.Reaction Turbines --, Francis turbines, propeller and Kaplanturbines, construction details, velocity triangles, power and ηcalculations, degree of reaction, draft tubes, sp speed of turbine,cavitation and methods of prevention, principle of similarity, unitand sp. Quantity, selection of turbines, governing of reactionturbines.5. Auxiliaries of Hydro Power Plants: Exciter, governor oil system,lubricating oil system, coolant pumps, air compressors, drainagepump, cranes, gate hoists, valves etc.6. Control of Hydraulic Power Plants: Hydraulic control-differenttypes, Machine control-starting and stopping of voltage control ofgenerators and system. Protection of machine against break down.Automatic and remote control of hydro plants-fully automaticplants, partially automatic plant, remote control of plants.7. Electrical and Mechanical Equipment in Hydro Power Plant:Electrical Equipment-Generator, exciter, voltage regulators,transformers, switch gears, control room equipments. Mech.Equipments—Compressors, air duets, shafts, couplings, bearings,braking equipment’s for generator, oil circuits and pumps, cranesand other lifting devices, ventilation’s and cooling system,equipment for water supply and drainage equipment for powerhouse lighting.8. Safety Measures in Hydro Power Plants: Surge tanks, screens, sandtraps, jets dispersers, pressure regulators, Preventativemaintenance, erosion of blades and prevention.9. Lay out of Hydro Power Plant: Types of layouts on the basis oftypes of plants. Schematic arrangement of different elements in ahydropower plant.10. Cost of Hydro Power : Calculations of hydropower, cost of hydroplant economics of hydro power generation (fixed cost, runningcost, transmission cost) etc.ContactHours35355234<strong>AHEC</strong>-<strong>IIT</strong>R/Ua. Govt./syllabus/WR-HPD/200642
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