standards / manuals / guidelines for small hydro development - AHEC

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Fig. 12.4 Layout of 72.5 kV Switchyard (Plan) (Sheet 2 of 2)-CBI & P Manual2-22
464006800 7600 3000LA30002000 2000XCVTWT397502250 35002000 2250 2250 95008500250030001800 2000 2000 180020002500120015001000 35002500 2000750 2500 7502550 2000 2000 2550 20001800 2000ZYLZ70001500 15001800X2000 2000 1800RYB2000LSINGLE LINE DIAGRAMLEGEND1 SF 6 CIRCUIT BREAKER2 ISOLATOR3 CURRENT TRANSFORMER4 WAVE TRAP5 COUPLING VOLTAGE TRANSFORMER6 LIGHTNING ARRESTOR7 POST INSULATOR8 POTENTIAL TRANSFORMER9 PALE FENCING10 LIGHTING MAST11 LIGHTING AND SHIELDING MAST66 kV12 MVA 11/66 KVTRANSFORMERLICTCBPTBIBICTCBLA4250BY5000RBYRWATERTANK500020008800 8800 8800 8800COM PRESSOR ROOMYC.L. OF TRACKPLANFig. 12.5 Layout of 72.5 kV Switchyard (Plan) (Sheet 1 of 2)-Mukerain Stage-II (2 x 10MW)2-23
Page 2 and 3: Section -1Guide for Design of Outdo
Page 4 and 5: The terms atmospheric overvoltages
Page 6 and 7: Table 2.31. Basic Data Example 1.Hi
Page 8 and 9: Spark gaps specified for fitting to
Page 10 and 11: 2.4.2 Working Safety Clearances125
Page 12 and 13: Highest System Voltage rating kV Sp
Page 14 and 15: 2.6 Insulator TypeTypes of insulato
Page 16 and 17: Bending .. .. 1265 kg/sq.cm.Shear .
Page 18 and 19: v) Installations in difficult site
Page 20 and 21: During maintenance, it is essential
Page 22 and 23: Areva Compact Air Insulated Substat
Page 24 and 25: The bus bar sizes should meet the e
Page 26 and 27: disconnect switch contacts in such
Page 28 and 29: (iv)Electro magnetic type interlock
Page 30 and 31: ) Temperature rise of 11 kV Class C
Page 32 and 33: 4.6 TestsThe CTs shall be provided
Page 34 and 35: 10. 1.2/50 micro seconds impulse 32
Page 36: 7.0 Lightning ArrestorsLightning ar
Page 39 and 40: and this aspect has to be kept in m
Page 41 and 42: Fig. 12.1: Layout of 12 kV Agnoor S
Page 43: Fig. 12.4 Layout of 72.5 kV Switchy
Page 47 and 48: Fig. 12.6:145 kV Outdoor Switchyard
Page 49 and 50: Fig. 12.7: 245 kV Outdoor Switchyar
Page 51 and 52: 2-20
Page 53 and 54: 3.0 Transformer RatingThe full load
Page 55 and 56: OFAFOil Immersed with forced oil ci
Page 57 and 58: The transformer may be operated wit
Page 59 and 60: 8.10 Parallel OperationThe transfor
Page 61 and 62: (a)(b)33 kV Transformers (MVA)1.001
Page 63 and 64: (e)(f)(g)(h)(i)(j)(k)(l)(m)(n)(o)(p
Page 65 and 66: 18.0 Oil Containment and Fire Prote
Page 67 and 68: ) The limits of temperature rise me
Page 69 and 70: Example Calculation -1Generator Tra
Page 71 and 72: TRANSFORMER RATING AND CHARACTERSTI
Page 73 and 74: 3.0 Type of Circuit BreakerFollowin
Page 75 and 76: iii) during arcing of SF6 breaker,
Page 77 and 78: 3.4 Protection Classes for Switchge
Page 79 and 80: The rated voltage is expressed in k
Page 81 and 82: 5.7 Rated Short Circuit Making Curr
Page 83 and 84: Effect of circuit conditions on rec
Page 85 and 86: 5.17 Rated time quantities and oper
Page 87 and 88: 25405017.5 812.516254024 812.516254
Page 89 and 90: component of fault current in addit
Page 91 and 92: Steps involved in applying method a
Page 93 and 94: to earthxvii. Difference in the ins
Page 95 and 96:
Datai) Sub transient reactance of g
Page 97 and 98:
Annexure-1Current waveAA = envelop
Page 99:
Annexure-3Fig. 3.3 Arc extinction4-
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