NEPAL ELECTRICITY AUTHORITY (A Government of Nepal Undertaking)

Transcription

1 NEPAL ELECTRICITY AUTHORITY (A Government of Nepal Undertaking) Generation Directorate Medium Generation Operation and Maintenance Department SUNDARIJAL HYDROPOWER PLANT REHABILITATION PROJECT Electricity Transmission Expansion and Supply Improvement Project SUNDARIJAL HYDROPOWER PLANT REHABILITATION PROJECT BIDDING DOCUMENT FOR Procurement of Plant for Sundarijal Hydropower Plant Rehabilitation Project (Design, Supply and Install) Single-Stage, Two-Envelope Bidding Procedure Issued on: Invitation for Bids No.: ICB No.: Employer: Country: ICB-SHPPRP 071/72-01 ICB-SHPPRP 071/72-01 Nepal Electricity Authority Nepal VOLUME II OF III June 2015 Sundarijal Hydropower Plant Rehabilitation Project Generation Directorate Durbar Marg, Kathmandu, Nepal Telephone: , Fax: The information in this Document is for reference only. The Bidders shall base their bids on the Document to be purchased from the Project Office.

2 Sundarijal Hydropower Plant Rehabilitation Project VI I Drawings

3

4

5

6

7

8

9

10

11

12 BUS BAR 400 V 2000A, 50 ka/1 sec ACB 400 V, withdrawable type 1250A, 50 ka, 1 sec PT : 110 V,Cl 0.5, 15VA 3 CT Class: PS/ 0.5/5P10 CTR: 900/1-1-1 A Burden: 15 VA PT: : : 110 V 0.5/3P, 50/50 VA Excitation Transformer 400/110 V, 63 kva LA: 500 V, 10 ka CT: 900/1 A Power PT (for excitation) 400/230 V XLPE Cable mm² Synchronous Generator 600 kva, 480 kw, 400V, 50 Hz, 3 Phase, PF: 0.80, 750 RPM CT Class: PS/ 10P10 CTR: 900/1-1 A Burden: 30 VA XLPE Cable mm² STAR POINT CT Class: PS CTR: 900/1 A, 15 VA Low Resistance Earthing Ohm CT Class: 5P10 CTR: 900/1 A, 20 VA 87G 11 kv Outgoing Transmission Line Towards Chabahil LA: 9 kv, 10 ka DS/ES: 12 kv, 25 ka PT: 11 3 : : kv Class: 0.2/0.2, Burden: 10/10VA (For metering purpose) CT Class: 0.2/0.2 CTR 70/1-1 A, 10 VA (For metering purpose) Isolator with fused load break switch DS/ES: 12 kv, 25 ka PT: 11 3 / 0.11 / 0.11 kv 3 Class: 0.5/3P Burden : 50/50 VA VCB: Indoor type 12 kv, 630A, 25 ka, 1 sec XLPE Cable: 11 kv mm² CT: Class 0.5/ 5P10 /PS CTR: 70/1-1-1 A Burden: 20/20 VA CT Single Phase: Class PS/5P10 CTR: 70/1-1 A, Burden: 20 VA Power Transformer: 11/0.4 ± 2 2.5% kv 3-Phase, 1250 kva Z=5%, ONAN, YNd11 XLPE Cable: 1.1 kv mm² CT Class: PS/0.5 CTR 1800/1-1 A, 15 VA PT : 110 V,Cl 0.5, 15VA 3 ACB: 400 V, 2000A, 50 ka, 1 sec PT: :110 3 :110 3 V Class: 0.5/0.5, Burden: 15VA (Common for both two units) 25 HV Fuse Syn Panel V F SL1/2 V F VSS V Wh W W/TD VAR PF A/TD A ASS F V/TD VSS V AVR Vref. Aux. Signals G1 Field winding AC EX C1 DC Field Flashing Generator Protection /51 50/51N 51V N Unit #1 MAIN METER CHECK METER F V/TD V VSS Wh W W/TD VAR PF A/TD A ASS Transformer Cum Line Protection O 81U 87T 64REF 50/51 50/51 51N 51N LV HV LV HV 67L 67N 63A 49 OA 49 WA LOL A 63T 49 OT 49 WT PRDT OSRT A/TD A ASS V/TD V VSS 25 HV Fuse XLPE Cable 11kV mm² Station Transformer: 11/0.4 ± 2 2.5% kv 3-Phase, 50 kva Z=4.5%, ONAN, Dyn11 XLPE Cable: 1.1 kv mm² PT: : : V 3P/1.0, 20/20 VA G2 CT Class: 0.5/5P10 CTR: 150/1-1-1 A Burden: 20/20 VA MCCB 180A, 400 V 100 A, 4-pole contactor BUS BAR 400 V 3-phase, 4-wire, 200 A, 50 ka/ 1 sec MCB 400 V, 6-32 A Unit #2 (same as Unit 1) Single Phase Current Transformer (CT) Three Phase & two core Current Transformer (CT) Potential Transformer (for measurement of voltage) (PT) vaccuum circuit breaker (VCB) withdrawable air circuit breaker (ACB) Disconnecting Switch with Earthing (DS/ES) Lighting Arrestor (LA) XLPE Cable (no. * no. of phase * cross section area) ( Power/ Distribution) Transformer Fuse G1 Synchronous Generator Ground / Earthing MCCB : Moulded Case Circuit Breaker MCB : Miniature Circuit Breaker Contactor Diesel Generator Set 50 kva, 400 V 3 Phase, 50 Hz, 0.8 PF XLPE Cable: 1.1 kv mm² DG AMF RELAY V/TD V V/TD V VSS VSS A/TD A A/TD A ASS ASS 51 51N N 86 ELECTRICAL INTERLOCK 400 V Station Auxilliary Supply LEGEND: AVR Automatic Voltage Regulator VSS Voltage Selector Switch ASS Current (Ampere) Selector Switch S Synchroscope C1 Contactor EI Electrical Interlock V Voltmeter A Ammeter W Wattmeter F Frequency meter Wh Active energy (Watt hour) meter VAR Reactive power meter PF Power Factor meter V/TD Voltage transducer A/TD Ampere Transducer W/TD Watt Transducer PROTECTION DEVICE NUMBER 21 Distance Relay 24 Volts/Hz Relay 25 Synchronism Check Relay 26 Apparatus thermal device 27 Undervoltage Relay 32P Directional Power Relay 40 Field Relay 46 Reverse phase or phase balance current relay 49 machine or transformer thermal Relay 50 Instantaneous overcurrent Relay 50/51 Instantaneous ac time overcurrent Relay 51N Neutral ac time overcurrent Relay 51T Transformer overcurrent Relay 51NT Transformer neutral overcurrent Relay 51V Voltage Controlled overcurrent Relay 59 Overvoltage Relay 64T Transformer Ground detector Relay 78 Phase angle measuring Relay 81 Frequency Relay 87G Generator differential protective Relay 87T Transformer differential protective Relay 95 Trip Circuit Supervision Relay LBB Local Backup Protection Relay SUNDARIJAL HYDROPOWER PLANT-REHABILITATION PROJECT FOR TENDER PURPOSE ONLY