length mm to be specified width mm to be specified height mm to be specified distance between wheels' centres mm to be specified Total weight kg to be specified Oil weight kg to be specified Applicable standard(s) IEC 60076 IEC 60354 Transformer Bushings Maximum current carrying capacity of bushings: HV A 120% of IN LV A 120% of IN Rated service voltage of bushings: HV kV 132 LV kV 33 HV, neutral kV To be
Power frequency 1 min. withstand voltage (at altitude less than 1000 M) kV 275 Maximum RIV at 1000 kHz micro V 500 Nominal creepage distance mm/kV 31 Mechanical values: Cantilever kg 800 Tensional strength kgm 400 Weight: kg to be specified Accessories: to be specified Connectors Joints Clamps Applicable Standard(s) IEC 60016, IEC 60168, IEC 60865, IEC 60273 DIN 48 013 Table 21: 33/0.4kV Auxiliary Transformer Minimum Requirements Data offered by Bidder Description Unit Data Manufacturer to be specified Type 3-phase, Installation indoor Maximum Opering Voltage kV 36 / 0.430 Rated service voltage: Primary side (high voltage) kV 33 Secondary side (low voltage) kV 0.4 Rated power kVA 100
Capacity for additional lines % 50 (min.) Table 27: Control and Monitoring System Minimum Requirements Data offered by Bidder Description Unit Data Panels: Pre-wired yes Floor-mounted yes Steel sheet thickness mm ≥ 2 Protection class IP 52 Maximum height m 2.25 Door material glass Bay units: Spare units for additional bays Pcs. 1 spare for each type of Bay unit provided yes Power supply from station battery V DC 110 Central Processing Units (PCU): Microprocessor bus architecture bit 32/64 Memory for system software type PROM Application software in battery-buffered RAM or EPROM / Flash-PROM yes Automatic time synchronization at all nodes of the network yes Fault indication LEDs on modules and alarm messages on monitors yes Basic functions: logic, sequence control, data processing, including code conversion, text and alarm signal editing, and function units for binary processes yes Cycle times, selectable (for each control module) ms 10, 20, 40, 50, 100, 200, 250, 500, 1000, 2000s Programming language: Elements for logic, control loops, arithmetic yes
Nominal Thickness Minimum Thickness Nominal overall diameter Compound identification reference mm mm mm yes Insulation Material Nominal Thickness Minimum Thickness Nominal overall diameter Max. Continuos operating temperature Compound identification reference Maximum stress at nominal voltage At conductor screen At insulator screen Maximum stress at impulse voltage At conductor screen At insulator screen mm mm mm oC kV/mm kV/mm kV/mm kV/mm XLPE 90 yes Insulation screen Material Nominal Thickness Nominal overall diameter Compound identification reference Indelible ink marking on screen mm mm Fully bonded Semicon. XLPE yes XLPE manufacturing methods Extrusion line type e,g CCv,MDCV,VCV Single pass/triple exclusion Curing method Cooling method Degassing period days VCV yes dry dry Bedding for moisture absorption Type of Material Nominal Thickness Mimimum thickness Nominal overall diameter mm mm mm Metallic screen Type and Material Copper wire
Nominal Thickness Mimimum thickness Nominal diameter over screen Cross sectional area of he screen Short time current density(1sec) mm mm mm mm2 kA/mm2 Bedding/Binder tape Type and Material Nominal Thickness Mimimum thickness Nominal overall diameter over bedding mm mm mm Metallic screen Type and Material Nominal Thickness Mimimum thickness Nominal diameter over screen Cross sectional area of he screen Short time current density(1sec) mm mm mm mm2 kA/mm2 lead-alloy ½ C Protective anti corrosion external sheath covering Bitumen undercoat Type and material Colour Nominal thickness Minimum thickness Termite resistant Type of anti termite protection Thermal resistivity Type of fire protection for closing section mm mm Km/w HDPE Black Yes Specify max. 6.0 Type of conductive outer layer Graphite/or semicon. polymer Weight of completed cable Copper Insulation Lead alloy Gross weight Kg/m Kg/m Kg/m Kg/m to be specified 5.0 losses Maximum dielectric loss per meter/ phase when operating at nominal voltage frequency and at maximum conductor W/m to be specified
temperature Maximum sheath loss per meter/ phase when operating at nominal voltage frequency and at current stipulated in item 3 with sheath bonded and earthed as recommended (sectionalising Cross bonding) W/m to be specified Maximum conductor loss per meter/ phase when operating at nominal voltage frequency and at current stipulated in item 3 W/m to be specified Total loss of cable per metre/ phase of three phase circuit W/m to be specified Electrical values Maximum dc resistance of conductor at 20o C µΩ/m to be specified Maximum ac resistance of conductor at operating temperature C µΩ/m to be specified Equivalent reactance of three phase circuit µΩ/m to be specified Electrostatic capacitance per conductor of cable at nominal voltage and operating temperature pF/m to be specified Max. charging current per conductor at nominal voltage mA/m to be specified Charging capacity of three phase system (at Uo) Var/m to be specified Max. dielectric loss factor of cable at nominal voltage and frequency at a conductor temperature of; 20 oC 90 oC to be specified Positive and negative impedance Ω/m to be specified Zero sequence impedance (as installed conditions) Resistance Reactance Capacitance Ω/m Ω/m pF/m to be specified Surge impedance Ω/m to be specified Bonding and earthing Type of special bonding Max. sheath potential of completed cable with conductor at max. earth fault current of 31.5 kA with sheath bonded and earthed as recommended V/m to be specified Max. sheath potential of completed cable with conductor at rated current with sheath bonded and earthed as recommended V/m to be specified 8.0 Testing Routine tests As per IEC 60840 Additional tests specified in Ketraco spec. yes Sample tests IEC 60840