MESP TECHNICAL SPECIFICATION FOR ELECTRIC CABLE 22 kv, SINGLE CORE, 95mm 2 COPPER

Transcription

1 Engineering Specification Electrical Networks TECHNICAL SPECIFICATION FOR ELECTRIC CABLE Version: 1 Issued: March 2014 Owner: Electrical Networks Asset Manager Approved By: George Marulli Electrical Networks Asset Manager PRINTOUT MAY NOT BE UP-TO-DATE; REFER TO METRO INTRANET FOR THE LATEST VERSION

2 Approval Amendment Record Approval Date Version Description 18/03/ Initial issue under MTM. Supersedes MainCo document MESP 0022 PRINTOUT MAY NOT BE UP-TO-DATE; REFER TO METRO INTRANET FOR THE LATEST VERSION Page 2 of 7

3 Table of Contents 1. Purpose Abbreviations Definitions References & Legislation Standards Latest Issues and Amendments Cable Details and Ratings Packing and Delivery Testing Type Test Factory Tests Test Certificate Tests after Delivery Warranty Information to be Supplied by Tenderer Appendix Technical Data Schedule Form... 6 PRINTOUT MAY NOT BE UP-TO-DATE; REFER TO METRO INTRANET FOR THE LATEST VERSION Page 3 of 7

4 1. Purpose This document is the MTM technical specification for a 22 kv, Single Core, 95 mm 2 Copper Conductor, XLPE Insulated, Screened and PVC/HDPE Sheathed Cable. The primary use of the Cable is between equipment within an MTM Traction Substation, where the fault rating is required to be 500 MVA. This may be indoors, or exposed outdoors. 2. Abbreviations MTM - Metro Trains Melbourne 3. Definitions For all technical terms refer to AS/NZS Shall Should Is used as the descriptive word to express a requirement that is mandatory to achieve conformance to the standard. Is used as the descriptive word to express a requirement that is recommended in order to achieve compliance to the standard. should can also be used if a requirement is a design goal but not a mandatory requirement. 4. References & Legislation 4.1 Standards The cable shall comply with AS/NZS Electric Cables Polymeric Insulated, Part 1: for working voltages 1/9/3.3 (3.6) kv up to and including 19/33 (36) kv. Note: All materials and components shall comply with the relevant Australian Standard or, where these do not exist, with the relevant IEC or EN Standard. 4.2 Latest Issues and Amendments Reference to all standards shall be read as a reference to the latest edition of that standard and amendments available at the time of tendering. 5. Cable Details and Ratings Rated Voltage 12.7 / 22 (24) kv Cores Single-core, Category A Conductor Material Copper Conductor Cross Sectional Area 95mm 2 Conductor Form Stranded circular compacted Insulation Material XLPE Insulation Colour Neutral Screen Material Copper PRINTOUT MAY NOT BE UP-TO-DATE; REFER TO METRO INTRANET FOR THE LATEST VERSION Page 4 of 7

5 Screen Electrical Requirements Oversheath Material Non Metallic Sheath Colour Metre Markings Cable Marking Withstand 13.1kA Fault for 1 Second PVC/HDPE, UV Stabilised Black Required RAILWAY ELECTRIC CABLE 22kV 5.1 Packing and Delivery The cable shall be supplied on drums clearly marked with full particulars of the cable, including length. The length of cable on the drums will be specified separately. 6. Testing 6.1 Type Test Type Test Certificates shall be supplied on request. 6.2 Factory Tests The cable shall be subjected to Routine Tests as described in AS at the supplier s site MTM reserves the right to appoint a representative to witness these tests. Seven working days notification shall be given to MTM of intention to carry out factory testing. 6.3 Test Certificate The results of all tests shall be recorded on test certificates. The test certificates shall clearly show the performance of the equipment and shall be accompanied by tables showing the actually measured values and all calculations The test certificates shall be forwarded to MTM and the results approved by MTM prior to delivery. 6.4 Tests after Delivery After delivery, the cable will be inspected and subjected to such tests as may be considered necessary to determine compliance with this Specification. 7. Warranty The Cable shall be warranted by the Supplier against faulty design, materials, processing and workmanship for a minimum of two years after delivery 8. Information to be Supplied by Tenderer The Tenderer shall inset where provided for all of the information required in the Appendix - Technical Data Schedule Form. Failure to do so may render the offer liable to rejection. PRINTOUT MAY NOT BE UP-TO-DATE; REFER TO METRO INTRANET FOR THE LATEST VERSION Page 5 of 7

6 9. Appendix Technical Data Schedule Form The Tenderer shall supply the following information and guaranteed performance thereof. Compliance Does the cable fully comply with this Specification? YES / NO Manufacturer Name Address Outside Diameter Of Cable (mm) Of each Core (mm) Of Conductor (mm) Of Conductor and insulation (including insulation semi-conducting layer) (mm) Operating Voltage Rated Operating Voltage (kv) Conductor Nominal Area (mm 2 ) Stranding (mm) Material Form Insulation Material Colour Thickness (mm) Curing Method Semi-conductive Layers Conductor Screen Material Thickness Insulation Screen Material Thickness Metallic Screen Material Nominal Area (mm 2 ) Stranding (mm) Maximum space between Strands (mm) PRINTOUT MAY NOT BE UP-TO-DATE; REFER TO METRO INTRANET FOR THE LATEST VERSION Page 6 of 7

7 Sheath Material and Type Colour Thickness (mm) Carbon Content (%) Ultra-Violet Stabilised YES / NO Current Rating of Cable Continuous Current rating (A) One Minute Current Rating (A) Short Circuit Current Rating (1 second) Conductor (ka) Metallic Screen (ka) Maximum Conductor Temperature At Continuous Current Rating ( C) At Short Circuit Current Rating ( C) Maximum Metallic Screen Temperature Screen Transient Maximum Temperature ( C) Weights Weight Of Cable (kg/m) Weight of Drum (kg) Dimensions of Drum Outside Diameter (m) Width (m) Diameter of Barrel (m) Nominal Length of Cable on Drum (m) PRINTOUT MAY NOT BE UP-TO-DATE; REFER TO METRO INTRANET FOR THE LATEST VERSION Page 7 of 7