Tender Document for Repowering Project of Ghorasal 3rd Unit - BPDB

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-Heaviest Piece during erection, 1000×Kg ----------------------------------- -Heaviest Piece during maintenance, 1000×Kg -------------------------- B-2 Generator and Ancillaries 2.1 Generator -Manufacturer, Country ---------------------------------- -Type ---------------------------------- -KVA rating / power factor 0.8 ---------------------------------- -Max. leading & lagging KVAR capability at pf ---------------------------------- -Rated voltage between lines, KV ---------------------------------- -Connection of armature winding ---------------------------------- -Rated Current, A ---------------------------------- -Rated frequency, Hz ---------------------------------- -Efficiency at pf 0.8, % ---------------------------------- at pf 1.0, % ---------------------------------- -Stator overloading, % ---------------------------------- -Critical speed, rpm ---------------------------------- -Max. torque when the stator is short-circuited, Nm ---------------------------------- -Generator Characteristics Instantaneous Max. short-circuit current at nominal voltage, A peak ---------------------------------- sub-transient reactance, Xd” pu ---------------------------------- transient reactance, Xd’ pu ---------------------------------- synchronous reactance, Xd pu ---------------------------------- negative sequence reactance, pu ---------------------------------- zero sequence reactance, pu ---------------------------------- field time Constant, Td’ 0 sec ---------------------------------- Transient time Constant, Td sec ---------------------------------- initial time Constant, Td” sec ---------------------------------- -Moment of inertia GD 2 of rotor, Kg-m 2 ---------------------------------- -percent rise on voltage when full load is rejected and operating at pf 0.8 , % ---------------------------------- pf 1.0 , % ---------------------------------- -Telephone influence factor Balanced ---------------------------------- Residual ---------------------------------- Re-Powering Ghorasal 210 MW 3 rd Unit (Vol-2B of 2) 12
-Class of winding insulation Armature winding ---------------------------------- Field winding ------------------------- -Type of cooling -Short circuit ratio, sat -Generator rated excitation requirements for operation at rated kVA Excitation voltage ------------------------- Excitation current ------------------------- - Generator calculated losses at 100% Base rating Total generator iron loss, kW ------------------------- Generator stator I 2 R loss, kW ------------------------- Generator rotor I 2 R loss, kW ------------------------- Generator stray load loss, kW ------------------------- Generator windage loss, kW ------------------------- Total generator loss, kW ------------------------- - Generator cooling system ------------------------- -Generator weights Weight of rotor, kg ------------------------- Weight of complete stator, kg ------------------------- 2.2 Exciter (Brushless) - Manufacturer, Country ------------------------- - Type ------------------------- - Rated output, kW ------------------------- -Rated load field voltage at 0.80 pf/1.00 pf ------------------------- -Rated exciter current at 0.80 pf./l.00 pf ------------------------- - Exciter ceiling voltage, V ------------------------- -Maximum continuous exciter current, A ------------------------- -Excitation system voltage response ratio ------------------------- 2.3 Automatic Voltage Regulator -Manufacturer, Country ------------------------- - Type ------------------------- - Description of AVR, Ref. No. ------------------------- 2.4 Generator Protection (Manufacturer Cat. No. or Type) -Manufacturer ABB, Switzerland or Sweden/ Alstom, France/ Siemens, Germany -Generator differential relay ------------------------- -Generator ground over-current relay ------------------------- -Field / rotor ground detection system ------------------------- -Reverse power relay ------------------------- -Loss of field relay ------------------------- -Voltage restraint over-current relays ------------------------- -Negative phase sequence relay ------------------------- -Under/Over Frequency relay ------------------------- - Sychro-Check relay ------------------------- Re-Powering Ghorasal 210 MW 3 rd Unit (Vol-2B of 2) 13
Page 1 and 2: BANGLADESH POWER DEVELOPMENT BOARD
Page 3 and 4: Schedule-A Guarantees 1A. Gas Turbi
Page 5 and 6: a) HRSG and Steam Turbine simultane
Page 7 and 8: Peak Load, KJ/Kwh ----------- -Guar
Page 9 and 10: Ambient Temp. 25 0 C, KW ----------
Page 11: -Material of expansion joints -----
Page 15 and 16: (1) at MCR - Maximum Continuous Rat
Page 17 and 18: - Max. superheater steam temp., 0 C
Page 19 and 20: Diameter of shell inside, mm ------
Page 21 and 22: - Economiser tube -----------------
Page 23 and 24: Main Oil Pump A centrifugal type ma
Page 25 and 26: (50 Hz, 3 Phase) Current ----------
Page 27 and 28: Technical Water Pump-2 nos(200%) Pu
Page 29 and 30: -Creepage distance of the insulator
Page 31 and 32: To earth and between poles, KV ----
Page 33 and 34: -Vector group --------- -----------
Page 35 and 36: High tension neutral, KV peak -----
Page 37 and 38: -Type of oil preserver system, Ref.
Page 39 and 40: B-13 DC Supply System -Type of conn
Page 41 and 42: - Fuel oil day tank capacity, litre
Page 43 and 44: -List of annunciator, Ref. No. ----
Page 45 and 46: Closed-loop control modules Type Nu
Page 47 and 48: SMART-type transmitter Yes/no -----
Page 49 and 50: -Manufacturer, Country ------------
Page 51 and 52: Main hoist, slow speed, Kg --------
Page 53 and 54: 18.3 Fork Lifter Type of boom contr
Page 55 and 56: 1. Filling Works ------------------
Page 57 and 58: (ii) Manufacturer -----------------
Page 59 and 60: SCHEDULE-C DRAWINGS TO BE FURNISHED
Page 61 and 62: 14. Drawing/diagram of Condenser ai
Page 63 and 64:
SCHEDULE-D DELIVERY TIME Time from
Page 65 and 66:
No. Description Q'ty Insertion Tube
Page 67 and 68:
W.1.1.10 Assembly, Compr. Bearing S
Page 69 and 70:
Sl No. Item description Quantity Un
Page 71 and 72:
W.1.1.41 Piping Rack, Front, Piping
Page 73 and 74:
W.1.1.54.7 Disk Couple 44 PC W.1.1.
Page 75 and 76:
Page 77 and 78:
Page 79 and 80:
Minor Inspection Parts for 2 Years
Page 81 and 82:
Page 83 and 84:
Hot Gas Path Inspection ( HGPI) Spa
Page 85 and 86:
Page 87 and 88:
Page 89 and 90:
Page 91 and 92:
Page 93 and 94:
M.3.2.2.1 Profile 1 PC M.3.2.3 Atta
Page 95 and 96:
Other Spares & Consumables No . Ite
Page 97 and 98:
No . d. Spark Plug Assy. i) gasket,
Page 99 and 100:
No . Item Quantity Unit price (CIF)
Page 101 and 102:
SCHEDULE - G DEVIATIONS FROM SPECIF
Page 103 and 104:
5. 6. 7. --------------------------
Page 105 and 106:
SCHEDULE - J DESCRIPTION OF TRAININ
Page 107:
SCHEDULE - L METHOD OF TRANSPORTATI
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Tender Document for Repowering Project of Ghorasal 3rd Unit - BPDB

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