temperature Maximum sheath loss per meter/ phase when operating W/m to be specified at nominal voltage frequency and at current stipulated in item 3 with sheath bonded and earthed as recommended (sectionalising Cross bonding) Maximum conductor loss per meter/ phase when W/m to be specified operating at nominal voltage frequency and at current stipulated in item 3 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 µΩ/m to be specified temperature C Equivalent reactance of three phase circuit µΩ/m to be specified Electrostatic capacitance per conductor of cable at pF/m to be specified nominal voltage and operating temperature 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 to be specified frequency at a conductor temperature of; 20 oC 90 oC Positive and negative impedance to be specified Ω/m Zero sequence impedance (as installed conditions) to be specified Resistance Ω/m Reactance Ω/m Capacitance pF/m Surge impedance to be specified Ω/m Bonding and earthing Type of special bonding Max. sheath potential of completed cable with conductor V/m to be specified at max. earth fault current of 31.5 kA with sheath bonded and earthed as recommended Max. sheath potential of completed cable with conductor V/m to be specified at rated current with sheath bonded and earthed as recommended 8.0 Testing Routine tests yes As per IEC 60840 Additional tests specified in Ketraco spec. Sample tests IEC 60840
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