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WIMES 3.11 Page 24 APPENDIX C - DATA SHEETS DISTRIBUTION AND POWER TRANSFORMERS (1 to 22 kV) PROJECT TITLE (P) DOCUMENT REFERENCE (P) PROJECT REFERENCE NUMBER (P) REVISION (P) PROJECT LOCATION (P) DATE (P) TRANSFORMER SUPPLIER (P/S) REFERENCE DRAWINGS (P) (included/not included) * - indicates Purchaser’s default requirement 5.2 Rating and Characteristics 3.0 OPERATING ENVIRONMENT AND SERVICE CONDITIONS 5.2.1 Rated (No Load) Voltages 1 1 3 Operating Environment () (P) Indoor Outdoor Details of Unusual Service Conditions (P) 4.0 ELECTRICAL SYSTEM PARAMETERS 1 Nominal System Voltages (P) Step-Down Transformers Primary Voltage (kV) 3.3/6.6/11/22/Other? Secondary Voltage (V) 400/415/Other? Step-Up Transformers Primary Voltage (V) 400/415/Other? Secondary Voltage (kV) 3.3/6.6/11/22/Other? Frequency and Number of Phases (P) Frequency (Hz) Number of phases Type of Neutral Earthing () (P) Solidly earthed Resistance earthed Reactance earthed Fault Levels (MVA) (P) Min Max Phase to phase Phase to earth Rated (No Load) Voltages (P) Step-Down Transformers Primary Voltage (kV) 3.3/6.6/11/22/Other? Secondary Voltage (V) 420/433/Other? Step-Up Transformers Primary Voltage (V) 420/433/Other? Secondary Voltage (kV) 3.3/6.6/11/22/Other? 5.2.2 Rated Power 1 Continuous Power (kVA) (P) Rated 5.2.3 Short Circuit Impedance and Losses 1 1 Short Circuit Impedance (%) (P/S) Losses (S) Load loss No-load loss 5.2.4 Sound Power 1 Sound Power (dBA) (S) 5.2.5 Temperature Rise Limits 2 Temperature Rise Limits (K) (P/S) Liquid Windings 5.0 PERFORMANCE SPECIFICATION 5.1 Design Life 1 Minimum Design (30 years*) (P) ISSUE 2 Life OCTOBER 2011 WIMES 3.11 Page 25 5.3 Life Cycle Costs 5.3.1 General 1 3 LCC Assessment Required (Y/N) (P) 6.0 DESIGN SPECIFICATION 6 6.1 General (All Types of Transformer) Type CSA (mm2) LV Side BS/Rating (A) Number (per phase/neutral) Type CSA (mm2) Cable Boxes to be Sized to Prevent Cores to Cross Over (Y*/N) (P) 6.1.1 General 6.1.4.3 Unit Sub-Station Transformers 1 Type/Configuration of Transformer Required/Provided () (P/S) Type Liquid filled Dry type Other (specify) Configuration Ground mounted Unit substation Other (specify) 1 MV Assembly Details (P) 1 LV Assembly Details (P) 6.1.6 Corrosion Protection 6.1.3 Winding Connection 4 1 Vector Group Reference (P/S) 6.1.4 MV and LV Termination Arrangements 6.1.4.1 General 1 Termination Arrangements (P/S) MV Side () Cable box MV switchgear assembly LV Side () Cable box LV switchgear assembly Paint Colour () (P) Supplier’s standard Other (specify) 6.1.8 Rating and Connecting Plates and Labelling 2 Application Label (P) 6.1.10 O & M Manuals 1 Type Required () (P) Supplier’s standard Purchaser’s standard 6.2 Liquid Filled Transformers 6.1.4.2 Cable Connected Transformers 6.2.1 General 1 2 3 Cable Entry Details (P) MV Side Top Bottom LV Side Top Bottom Disconnection Chamber Requirements (P) () MV side LV side Cable Types/Sizes (P) MV Side BS/Rating (A) Number ISSUE 2 2 Type of Transformer Required/Provided () (P/S) Free breathing Free breathing with conservator Hermetically sealed 6.2.2 Tank 6 IP Rating (P/S) OCTOBER 2011 WIMES 3.11 6.2.3 Cooling Arrangements 1 1 Type of Coolant Required/Provided () (P/S) Mineral oil Midel Other (specify) Type of Cooling Regime Required/Provided () (P/S) ONAN KNAN Other (specify) 6.2.5 Monitoring and Protection 1 Method of Coolant/Winding Over-Temperature Protection Required/Provided (P/S) Page 26 6.3.4 Cooling Arrangements 1 2 Type of Cooling Required/Provided () (P/S) AN AF Other (specify) Enclosure Design to Allow for Future Fitment of Fans (Y/N) (P) Regime 6.3.6 Monitoring and Protection 2 2 Winding Temperature Indicators Required/ Provided (Y/N) (P/S) Type of Coolant/Winding Temperature Indicators Required/Provided () (P/S) Dial type thermometer Digital thermometer 7.0 INSPECTION AND TESTING 2 2 2 3 5 7 Coolant Temperature Indicators Required/ Provided (Y/N) (P/S) Winding Temperature Indicators Required/ Provided (Y/N) (P/S) Type of Coolant/Winding Temperature Indicators Required/Provided () (P/S) Dial type thermometer Digital thermometer Buchholz Relay Required (Y/N) (P) Low Coolant Level Protection Required (Y/N) (P) REF Protection Required (Y/N) (P) 6.3 Dry Type Transformers 7.1 General 1 a b 7.2 Factory Acceptance Tests (FATs) 1 2 2 Environmental Classification () (P/S) Class E0 Class E1 Class E2 Climatic Classification () (P/S) C1 C2 Fire Behaviour Classification () (P/S) F0 F1 Samples of Supplier’s test schedules to be submitted before testing (Y/N) (P) 7.3 Witness (If Required) 3 a 6.3.1 General 2 Additional Tests Required () (P) Witness FATs Site commissioning tests b 5 Factory Acceptance Tests Availability/Distribution of Supplier’s Test Schedules () (P) Schedules to be made available to the Purchaser at witness FATs Schedules to be sent to the Purchaser before witness FATs Details of Any Further Witness FATs Required (P) 6.3.3 Enclosure/Skid Base 2 IP Rating (P/S) ISSUE 2 OCTOBER 2011 WIMES 3.11 Page 27 APPENDIX D – SUPPLIER’S SUPPLEMENTARY DATA SHEET INFORMATION Clause ISSUE 2 Supplementary Information OCTOBER 2011