standards / manuals / guidelines for small hydro development - AHEC

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SECTION – IGUIDELINES FOR OPERATION OFSMALL HYDROPOWER STATION
SECTION – IGUIDELINES FOR OPERATION OF SMALL HYDROPOWERSTATION1.0 INTRODUCTIONOperation of Hydropower plant involves understanding of operation of hydraulicfeatures and equipments. All features may not be included in every plant and willdepend on type of plant water source, turbine & generator installed and powerevacuation arrangement and will generally consists of following:-1.1 CIVIL & HYDRAULIC STRUCTURE• Lake/pond/river/canal as main water source• Dam/Diversion weir/Diversion barrage• Head regulator• Power channel/tunnel• Desilting arrangements• Fore Bay• Bye pass/Spillway• Trash racks• Intake Gates with Hoist• Siphon intake• Surge Tanks/Spilling pipes• Penstocks1.2 POWER HOUSE(i)(ii)Mechanical• Main inlet valve (Butterfly/Spherical valve)• Bye pass valve• Inlet bend and branching pipes• Drain valve• Pressure reducing valve for cooling water system• Cooling water system• Turbine and its auxiliaries• Draft tube• Draft tube gates• Governor, associated OPU and guide apparatus• Station auxiliaries such as:-(i) EOT cranes/hoists(ii) Station compressor(iii) Drainage & Dewatering system(iv) D.G. SetElectrical• Hydro generator and auxiliariesAHEC/MNRE/SHP Standards/ E&M Works – Guidelines for Operation and Maintenance of Small Hydropower Station 1
Page 1 and 2: STANDARDS / MANUALS / GUIDELINES FO
Page 3: ITEMSPAGE NO4.2 Preventive Maintena
Page 7 and 8: 2.1.2 Lake/Storage/PondThe operatio
Page 9 and 10: 2.2.3 Electrical• Air seal valve
Page 11 and 12: • Start command initiated(iv)Sync
Page 13 and 14: ‣ Check whether supply to various
Page 15 and 16: - Intake gates, bye pass gates, D.T
Page 17 and 18: • To arrange for evacuation of ma
Page 19 and 20: SECTION - IIGUIDELINES FOR MAINTENA
Page 21 and 22: 2.3 PREDICTIVE MAINTENANCEThis sort
Page 23 and 24: 6. Oil Leakage Unit:i) Check any le
Page 25 and 26: 5. Shaft Gland Seal and Air Seal:i)
Page 27 and 28: v) In case the runner is found to b
Page 29 and 30: iii) Preheating of the blade to abo
Page 31 and 32: E. GovernorDifferent types of gover
Page 33 and 34: Sl. No. Description Periodicity Rem
Page 41 and 42: 4.2.1 Daily ChecksSl.No.Assembly It
Page 43 and 44: 4.2.3 Annual Inspection & Maintenan
Page 45 and 46: Sl.No.Assembly Item Check Point Met
Page 47 and 48: • Check all joints, tightness of
Page 49 and 50: S.No.Item to beinspectedInspection
Page 55 and 56:
S.No.Item to beinspectedInspection
Page 57 and 58:
4.4 PREVANTIVE MAINTENANCE OF HYDRO
Page 59 and 60:
Spherical valves (for heads more th
Page 61 and 62:
• Check rotor level, verticality
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• Any possible inbalance of runne
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The blades are set to the no-load p
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IV.Rotational Checks‣ Arrangement
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Fig 6: Resultant Method of Throw Ca
Page 71 and 72:
Fig 9: checking Verticality of Gene
Page 73 and 74:
oFig 11: Checking Balancing of Gene
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Procedure for preliminary alignment
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Fig 14: Determining Displacements o
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SECTION-IIIGENERAL GUIDE LINES1.0 G
Page 81 and 82:
• On placing them on operation du
Page 83 and 84:
Safety Precautions and Practices in
Page 85 and 86:
Results of test and measurements ca
Page 87 and 88:
(NAME OF POWER STATION)DAILY GENERA
Page 89 and 90:
(NAME OF POWER STATION)DAILY TRIPPI
Page 91 and 92:
UnitGENERATION(MU)TOTALTIME(Hrs:Min
Page 93 and 94:
MONTHLY TRIPPING REPORTFOR THE MONT
Page 95 and 96:
AHEC/MNRE/SHP Standards/ E&M Works
Page 97 and 98:
(POWER STATION)ANNUAL MAINTENANCE S
Page 99 and 100:
UNIT/ EQUIPMENT/ FEEDER BAY/:DATE &
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