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c) The manufacturer shall offer CTs for routine tests / inspection in line with the requirement. d) Record of each manufacturing process shall be maintained by the manufacturer, and shall be shown to the inspector, on demand at the time of inspection. 1.6 Guaranteed Technical particulars shall be furnished along with the tender. 1.7 COMPLETENESS OF EQUIPMENTS: Any fittings, accessories or apparatus which may not have been specifically mentioned in these specifications, but which are usual or necessary for the equipment of similar plant shall be deemed to be included in the contract and shall be supplied by the contractor without extra charges. All plant and equipment shall be complete in all details whatever such details are mentioned in the specification or not. 1.8 Each CTS & PTS shall be inspected and checked by the representative of ED daman / consultant, prior to dispatch and routine test shall be carried out on each CTS & PTS as per IS/IEC. * * * * * * * * * * * * * * 40
05 SECTION II-A: SPECIFIC TECHNICAL REQUIREMENT OF 66KV CTS 2.1 SCOPE: 2.2.1 This section covers the specific technical requirements, climatic and isoccraunic conditions and systems particulars for which current transformers shall be offered as per the general technical requirements given under section-I of this specification and the schedule of requirements specified herein for various substations. 2.2 CLIMATIC & ISOCERAUNIC CONDITIONS: 2.2.1 The climatic conditions, under which the equipment shall operate satisfactorily are as follows: a) Maximum ambient temperature of air in Shade (C) 50C b) Minimum ambient temperature of air in shade (C) 4C c) Maximum daily average ambient temperature (C) 40C d) Maximum yearly average ambient temperature (C) 30C e) Maximum relative humidity (%) 95% f) Average number of thunderstorm days / annum. 15 g) Average annual rainfall 150 cms. h) Maximum wind pressure 150 Kg/m2 i) Height above mean seal level Not exceeding 1000mtrs. 2.2.2 All equipments offered shall be suitable for continuous satisfactory operation at the extended primary current of 120 % of full rated capacity, under the above climatic conditions. 2.2.3 Since the substations may be near seashore, the equipment offered shall be suitable for heavily polluted atmosphere. 2.3 SYSTEM DETAILS: i) Nominal system voltage 66 KV ii) Maximum rated voltage 72.5 KV iii) Frequency 50Hz. iv) Number of phases 3 v) Neutral earthing Solidly Earthed 2.4 TYPE & RATING OF CURRENT TRANSFORMER: 2.4.1 The 66 KV Current transformer shall have the rating as given below: 1) CT Ratio : 600-300-150/1-1-1 Amp 2) No of Cores : Three Core – I Core – II Core - III 3) Application metering protection Differential 3) Rated burden (VA) 15 20 - 4) Class of accuracy 0.5 5 P15 P S 5) I S F < 5 - - 6) Minimum knee point voltage - - 600 V 7) Exciting current - -
Page 1 and 2: ADMINISTRATION OF DAMAN & DIU ELECT
Page 3 and 4: Administration of Daman & Diu (U.T.
Page 5 and 6: . 10) The bidder shall certify or e
Page 7 and 8: 8. Tender documents shall be submit
Page 9 and 10: . b) Evidence showing their experie
Page 13 and 14: Control voltage : 110 V DC with + 1
Page 15 and 16: 2.14 The work may include any other
Page 17 and 18: d) Insulator 120/90 KN…………
Page 19 and 20: 13.0 PLACE OF MANUFACTURE AND INSPE
Page 21 and 22: 20.0 COMPLETION PERIOD The time all
Page 25 and 26: 1.4.1 GENERAL DESIGN FEATURES OF CI
Page 27 and 28: 1.4.7.2 The circuit breakers shall
Page 29 and 30: 02 SECTION II - SPECIFIC TECHNICAL
Page 31 and 32: SCHEDULE -A GUARANTEED TECHNICAL PA
Page 33 and 34: 21. Maximum line charging current :
Page 35 and 36: 50. No. of auxiliary switch contact
Page 37 and 38: 04 SECTION - II: GENERAL TECHNICAL
Page 39: 1.2 BUSHING AND INSULATORS: 1.2.1 T
Page 43 and 44: G.T.P. FOR 66KV CTs. No. Descriptio
Page 45 and 46: sealed with SS bellow, dead tank su
Page 47 and 48: 08 SECTION II : GENERAL TECHNICAL R
Page 49 and 50: 1.6.5 The female contact and its te
Page 51 and 52: 1.14 GALVANISING : 1.14.1 All ferro
Page 53 and 54: 66 KV Isolators 1) Nominal system v
Page 55 and 56: 10 Sec - II : GUARANTEED TECHNICAL
Page 57 and 58: ii) a) Across the isolating distanc
Page 59 and 60: (vii) Other standard accessories wh
Page 61 and 62: 13 SEC -II : Guaranteed Technical p
Page 63 and 64: 14 : SECTION - II GENERALTECHNICAL
Page 65 and 66: 1.0 SCOPE : 16 SECTION - II : TECH
Page 67 and 68: For this, a separate charger, calle
Page 69 and 70: 8.5 Other Common Components : 1) DC
Page 71 and 72: 17) Guaranteed Efficiency : (i) At
Page 73 and 74: 3.4 Charge Rate : Fully discharged
Page 75 and 76: GUARANTEED AND TECHNICAL PARTICULAR
Page 77 and 78: 1 9 S EC - II GENERAL TECHNICAL SPE
Page 79 and 80: NO. PARTICULAR 1.0 GENERAL: 21 SECT
Page 81 and 82: 22 SECTION - II : SPECIFICATIONS OF
Page 83 and 84: 23 SECTION - II : POWER AND CONTROL
Page 85 and 86: 25 SECTION - II : OUTDOOR SWITCHYAR
Page 87 and 88: 3.0 INSTALLATION OF CABLES AND CABL
Page 89 and 90: 5.0 CLEARANCE AND SAFETY 1 Electric
Page 91 and 92:
27. SEC-II SPECIFICATION FOR 11KV C
Page 93 and 94:
7 WINDINGS: 7.1 Material: 7.1.1 HV
Page 95 and 96:
16 BUSHING The bushings shall confi
Page 97 and 98:
SPECIAL CONDITIONS: ELECTIRICITY DE
Page 99 and 100:
16. Whether transformer shall be fi
Page 101 and 102:
28. POWER TRANSFORMER 28.1 Vector G
Page 103 and 104:
NOTE: Bare terminals on transformer
Page 105 and 106:
the wiring duct shall be reserved f
Page 107 and 108:
NOTE 1. OLTC LOCAL CABINET, MARSHAL
Page 109 and 110:
SR.NO. ITEM 14.0 Core : POWER TRANS
Page 111 and 112:
SR.NO. ITEM 23.0 Guaranteed maximum
Page 113 and 114:
SR.NO. ITEM GUARANTEED TECHNICAL PA
Page 115 and 116:
SR.NO. ITEM 13.0 Separate conservat
Page 117 and 118:
SR.NO. ITEM 10.0 Terminal Blocks 10
Page 119 and 120:
PRICE SCHEDULE A For Turnkey Constr
Page 121 and 122:
a) Incomer feeders 2 NO b) For Tran
Page 123:
1 Total Rs. Note: - The contract wi
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