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Title 2.4: Guidelines for maintenance of civil (including hydro-mechanical)works of SHP projectsScope • Maintenance of head works including intake/head regulator- Frequency of Inspection- Normal repairs- Extra-ordinary repairs• Maintenance of power channel/power conduit/tunnel- Frequency of Inspection- Normal repairs- Extra-ordinary repairs• Maintenance of Desilting tank including flushing conduits- Frequency of Inspection- Normal repairs- Extra-ordinary repairs• Maintenance of Forebay/surge shaft- Frequency of Inspection- Normal repairs- Extra-ordinary repairs• Maintenance of Penstocks & related structures- Frequency of Inspection- Normal repairs- Extra-ordinary repairs• Maintenance of powerhouse structure- Frequency of Inspection- Normal repairs- Extra-ordinary repairs• Maintenance of tailrace & river protection works- Frequency of Inspection- Normal repairs- Extra-ordinary repairs• Maintenance of Trash racks (Gates & Hoists)- Frequency of Inspection- Normal repairs- Extra-ordinary repairsStatusUnder PreparationAHEC/MNRE/SHP Standards / General Small Hydropower Definitions and Glossary of Terms 48
3. Electro Mechanical WorksTitle 3.1: Guidelines for selection of SHP generating equipmentScope • Overview• Purpose• Site Data• Net Head• Classification and Types of Turbines- Francis Turbines- Axial Flow turbines- Tubular Turbines- Bulb Turbines- Vertical Semi-Kaplan Turbine with Syphon Intake- Pit Type Bulb Turbine- Impulse Turbine- Turgo Impulse Turbines- Cross Flow Turbines• Selection of Hydraulic Turbine- Specific Speed (Ns)- Selection Procedure for Small Hydro upto 3 MW unit size- General- Micro Hydel Range (upto 100 kW)- Cost Elements- Step by step procedure for selection of turbine• Mini Hydro in the Range 0.1 MW to 5 MW• Setting and Cavitation of Reaction Turbine Performance- Pressure Regulation- Speed Regulation- Speed Rise- Small Hydro (grid connected)- Small Hydro (isolated grid operation)• Type of Generators- Synchronous generators- Synchronous (or induction) generators• Applicable Standard• Cooling Classification• Operational Requirements• Transient event and emergency duty requirements• Sudden short circuit at the generator terminals• Synchronizing• Short-time volts/hertz variations• Over speed• Ratings and Electrical Characteristics• Mechanical Characteristics• Controllers and Governors, Flow Regulators• Ballast• Instrumentation• Voltage and Frequency Protection Functions• Islanding Protection FunctionsAHEC/MNRE/SHP Standards / General Small Hydropower Definitions and Glossary of Terms 49
Page 1 and 2: DraftMay 19, 2008STANDARDS / MANUAL
Page 3 and 4: SMALL HYDROPOWER DEFINITIONS AND GL
Page 5 and 6: BaffleBaffle block (dentate)Balanci
Page 7 and 8: CavitationCavitation damageCentrifu
Page 9 and 10: Current (I)Curtain Wall / Cut-Off W
Page 11 and 12: Distribution linesDistribution syst
Page 13 and 14: EvacuationEvaporationEvapotranspira
Page 15 and 16: Frequency demand schedulingFull sup
Page 17 and 18: GWhHabitatHeadHead lossHead PondHea
Page 19 and 20: Laminar flowLateral intakeLevelLini
Page 21 and 22: Ogee crestOhmOn peakOrificeOutageOu
Page 23 and 24: PorosityPositive pressurePotential
Page 25 and 26: Rip-rapRiserRock fill damRunaway sp
Page 27 and 28: Speed-no-loadSpillsSpillwaySpillway
Page 29 and 30: Tailwater levelThe water level imme
Page 31 and 32: V-notch weirVoidVoid ratioVoltVolt
Page 33 and 34: 1.2 STANDARDS/ MANUALS/GUIDELINES F
Page 35 and 36: Title 1.2: Guidelines for planning
Page 37 and 38: Title 1.4: Manual on project hydrol
Page 39 and 40: Title 1.6: Guidelines for project c
Page 41 and 42: Title 1.8: Model contracts for exec
Page 43 and 44: Title 1.10: Guidelines for Environm
Page 45 and 46: Title 1.12: Guidelines for moderniz
Page 47 and 48: 2. Civil WorksTitle 2.1: Guidelines
Page 49: Title 2.3: Guidelines for structura
Page 53 and 54: Title 3.2: Guidelines for electrica
Page 55 and 56: Title 3.4: Specifications for procu
Page 57 and 58: Title 3.6: Specifications for conne
Page 59 and 60: Title 3.8: Specifications for monit
Page 61 and 62: 1.3 INDIAN STANDARDS3.1.1 River val
Page 63 and 64: IS 4721IS 7207IS 10824IS 7436IS 828
Page 65 and 66: IS 4877: 1968IS 5510: 1969IS 4622:
Page 67 and 68: IS 7784(Part 2/Sec Code of practice
Page 69 and 70: 1.3.2 Hydro Mechanical EquipmentIS
Page 71 and 72: 1.3.3 Electrical EquipmentIS 2705-
Page 73 and 74: IS: 5831 - PVC insulation and sheat
Page 75 and 76: * IS 10262 - Recommended guidelines
Page 77 and 78: IS 12843IS:226IS: 1977- Tolerances
Page 79 and 80: IS 1726IS 1795IS 2326IS 2373IS 2548
Page 81 and 82: IS 1443IS 1542IS 2571*IS 4457IS 627
Page 83 and 84: Hydroelectric power plant Automatio
Page 85: 1.5 BOOKS/REFERENCE REPORTS1. Inver

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