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IEEE Std. 738-2006 method of calculation Air temperature is 25.00 (deg C) Wind speed is 0.61 (m/s) Angle between wind and conductor is 90 (deg) Conductor elevation above sea level is 2300 (m) Conductor bearing is 90 (deg) (user specified bearing, may not be value producing maximum solar heating) Sun time is 13 hours (solar altitude is 74 deg. and solar azimuth is -61 deg.) Conductor latitude is 16.3 (deg) Atmosphere is CLEAR Day of year is 164 (corresponds to junio 12 in year 2012) (user specified day, may not be day producing maximum solar heating) Conductor description: AAAC - CAIRO - 240 Conductor diameter is 1.988 (cm) Conductor resistance is 0.1423 (Ohm/km) at 25.0 (deg C) and 0.1702 (Ohm/km) at 75.0 (deg C) Emissivity is 0.7 and solar absorptivity is 0.7 Solar heat input is 16.729 (Watt/m) Radiation cooling is 7.438 (Watt/m) Convective cooling is 24.926 (Watt/m) Given a maximum conductor temperature of 50.0 (deg C), The steady-state thermal rating is 316.3 amperes

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AMPACITANCIA CALCULADA CON LA NORMA IEEE Std. 738-2006

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Page 1: 2006

IEEE Std. 738-2006 method of calculation

Air temperature is 25.00 (deg C)Wind speed is 0.61 (m/s)Angle between wind and conductor is 90 (deg)Conductor elevation above sea level is 2300 (m)Conductor bearing is 90 (deg) (user specified bearing, may not be value producing maximum solar heating)Sun time is 13 hours (solar altitude is 74 deg. and solar azimuth is -61 deg.)Conductor latitude is 16.3 (deg)Atmosphere is CLEARDay of year is 164 (corresponds to junio 12 in year 2012) (user specified day, may not be day producing maximum solar heating)

Conductor description: AAAC - CAIRO - 240 Conductor diameter is 1.988 (cm)Conductor resistance is 0.1423 (Ohm/km) at 25.0 (deg C) and 0.1702 (Ohm/km) at 75.0 (deg C)Emissivity is 0.7 and solar absorptivity is 0.7

Solar heat input is 16.729 (Watt/m)Radiation cooling is 7.438 (Watt/m)Convective cooling is 24.926 (Watt/m)

Given a maximum conductor temperature of 50.0 (deg C),The steady-state thermal rating is 316.3 amperes

Page 2: 2006

IEEE Std. 738-2006 method of calculation

Air temperature is 25.00 (deg C)Wind speed is 0.61 (m/s)Angle between wind and conductor is 90 (deg)Conductor elevation above sea level is 2300 (m)Conductor bearing is 90 (deg) (user specified bearing, may not be value producing maximum solar heating)Sun time is 13 hours (solar altitude is 74 deg. and solar azimuth is -61 deg.)Conductor latitude is 16.3 (deg)Atmosphere is CLEARDay of year is 164 (corresponds to junio 12 in year 2012) (user specified day, may not be day producing maximum solar heating)

Conductor description: AAAC - CAIRO - 240 Conductor diameter is 1.988 (cm)Conductor resistance is 0.1423 (Ohm/km) at 25.0 (deg C) and 0.1702 (Ohm/km) at 75.0 (deg C)Emissivity is 0.7 and solar absorptivity is 0.7

Solar heat input is 16.729 (Watt/m)Radiation cooling is 10.940 (Watt/m)Convective cooling is 34.876 (Watt/m)

Given a maximum conductor temperature of 60.0 (deg C),The steady-state thermal rating is 424.0 amperes

Page 3: 2006

IEEE Sd. 738-2006 method of calculation

Air temperature is 25.00 (deg C)Wind speed is 0.61 (m/s)Angle between wind and conductor is 90 (deg)Conductor elevation above sea level is 2300 (m)Conductor bearing is 90 (deg) (user specified bearing, may not be value producing maximum solar heating)Sun time is 13 hours (solar altitude is 74 deg. and solar azimuth is -61 deg.)Conductor latitude is 16.3 (deg)Atmosphere is CLEARDay of year is 164 (corresponds to junio 12 in year 2012) (user specified day, may not be day producing maximum solar heating)

Conductor description: AAAC - CAIRO - 240 Conductor diameter is 1.988 (cm)Conductor resistance is 0.1423 (Ohm/km) at 25.0 (deg C) and 0.1702 (Ohm/km) at 75.0 (deg C)Emissivity is 0.7 and solar absorptivity is 0.7

Solar heat input is 16.729 (Watt/m)Radiation cooling is 14.772 (Watt/m)Convective cooling is 44.818 (Watt/m)

Given a maximum conductor temperature of 70.0 (deg C),The steady-state thermal rating is 506.0 amperes

Page 4: 2006

IEEE Std. 738-2006 method of calculation

Air temperature is 25.00 (deg C)Wind speed is 0.61 (m/s)Angle between wind and conductor is 90 (deg)Conductor elevation above sea level is 2300 (m)Conductor bearing is 90 (deg) (user specified bearing, may not be value producing maximum solar heating)Sun time is 13 hours (solar altitude is 74 deg. and solar azimuth is -61 deg.)Conductor latitude is 16.3 (deg)Atmosphere is CLEARDay of year is 164 (corresponds to junio 12 in year 2012) (user specified day, may not be day producing maximum solar heating)

Conductor description: AAAC - CAIRO - 240 Conductor diameter is 1.988 (cm)Conductor resistance is 0.1423 (Ohm/km) at 25.0 (deg C) and 0.1702 (Ohm/km) at 75.0 (deg C)Emissivity is 0.7 and solar absorptivity is 0.7

Solar heat input is 16.729 (Watt/m)Radiation cooling is 16.819 (Watt/m)Convective cooling is 49.787 (Watt/m)

Given a maximum conductor temperature of 75.0 (deg C),The steady-state thermal rating is 541.3 amperes

Page 5: 2006

PLS-CADD Version 9.23 10:26:51 a.m. jueves, 28 de junio de 2012Promotora de Proyectos SAC - PeruProject Name: 'C:\Walter\GA\ga.DON'

IEEE Std. 738-2006 method of calculation

Air temperature is 22.00 (deg C)Wind speed is 0.61 (m/s)Angle between wind and conductor is 90 (deg)Conductor elevation above sea level is 2300 (m)Conductor bearing is 90 (deg) (user specified bearing, may not be value producing maximum solar heating)Sun time is 13 hours (solar altitude is 74 deg. and solar azimuth is -61 deg.)Conductor latitude is 16.3 (deg)Atmosphere is CLEARDay of year is 164 (corresponds to junio 12 in year 2012) (user specified day, may not be day producing maximum solar heating)

Conductor description: AAAC - CAIRO - 240 Conductor diameter is 1.988 (cm)Conductor resistance is 0.1423 (Ohm/km) at 25.0 (deg C) and 0.1702 (Ohm/km) at 75.0 (deg C)Emissivity is 0.7 and solar absorptivity is 0.7

Solar heat input is 16.729 (Watt/m)Radiation cooling is 8.214 (Watt/m)Convective cooling is 27.922 (Watt/m)

Given a maximum conductor temperature of 50.0 (deg C),The steady-state thermal rating is 352.4 amperes

PLS-CADD Version 9.23 10:27:29 a.m. jueves, 28 de junio de 2012Promotora de Proyectos SAC - PeruProject Name: 'C:\Walter\GA\ga.DON'

Page 6: 2006

IEEE Std. 738-2006 method of calculation

Air temperature is 22.00 (deg C)Wind speed is 0.61 (m/s)Angle between wind and conductor is 90 (deg)Conductor elevation above sea level is 2300 (m)Conductor bearing is 90 (deg) (user specified bearing, may not be value producing maximum solar heating)Sun time is 13 hours (solar altitude is 74 deg. and solar azimuth is -61 deg.)Conductor latitude is 16.3 (deg)Atmosphere is CLEARDay of year is 164 (corresponds to junio 12 in year 2012) (user specified day, may not be day producing maximum solar heating)

Conductor description: AAAC - CAIRO - 240 Conductor diameter is 1.988 (cm)Conductor resistance is 0.1423 (Ohm/km) at 25.0 (deg C) and 0.1702 (Ohm/km) at 75.0 (deg C)Emissivity is 0.7 and solar absorptivity is 0.7

Solar heat input is 16.729 (Watt/m)Radiation cooling is 11.716 (Watt/m)Convective cooling is 37.872 (Watt/m)

Given a maximum conductor temperature of 60.0 (deg C),The steady-state thermal rating is 450.6 amperes

PLS-CADD Version 9.23 10:28:10 a.m. jueves, 28 de junio de 2012

Page 7: 2006

Promotora de Proyectos SAC - PeruProject Name: 'C:\Walter\GA\ga.DON'

IEEE Std. 738-2006 method of calculation

Air temperature is 22.00 (deg C)Wind speed is 0.61 (m/s)Angle between wind and conductor is 90 (deg)Conductor elevation above sea level is 2300 (m)Conductor bearing is 90 (deg) (user specified bearing, may not be value producing maximum solar heating)Sun time is 13 hours (solar altitude is 74 deg. and solar azimuth is -61 deg.)Conductor latitude is 16.3 (deg)Atmosphere is CLEARDay of year is 164 (corresponds to junio 12 in year 2012) (user specified day, may not be day producing maximum solar heating)

Conductor description: AAAC - CAIRO - 240 Conductor diameter is 1.988 (cm)Conductor resistance is 0.1423 (Ohm/km) at 25.0 (deg C) and 0.1702 (Ohm/km) at 75.0 (deg C)Emissivity is 0.7 and solar absorptivity is 0.7

Solar heat input is 16.729 (Watt/m)Radiation cooling is 15.548 (Watt/m)Convective cooling is 47.813 (Watt/m)

Given a maximum conductor temperature of 70.0 (deg C),The steady-state thermal rating is 527.8 amperes

PLS-CADD Version 9.23 10:29:00 a.m. jueves, 28 de junio de 2012Promotora de Proyectos SAC - PeruProject Name: 'C:\Walter\GA\ga.DON'

Page 8: 2006

IEEE Std. 738-2006 method of calculation

Air temperature is 22.00 (deg C)Wind speed is 0.61 (m/s)Angle between wind and conductor is 90 (deg)Conductor elevation above sea level is 2300 (m)Conductor bearing is 90 (deg) (user specified bearing, may not be value producing maximum solar heating)Sun time is 13 hours (solar altitude is 74 deg. and solar azimuth is -61 deg.)Conductor latitude is 16.3 (deg)Atmosphere is CLEARDay of year is 164 (corresponds to junio 12 in year 2012) (user specified day, may not be day producing maximum solar heating)

Conductor description: AAAC - CAIRO - 240 Conductor diameter is 1.988 (cm)Conductor resistance is 0.1423 (Ohm/km) at 25.0 (deg C) and 0.1702 (Ohm/km) at 75.0 (deg C)Emissivity is 0.7 and solar absorptivity is 0.7

Solar heat input is 16.729 (Watt/m)Radiation cooling is 17.595 (Watt/m)Convective cooling is 52.781 (Watt/m)

Given a maximum conductor temperature of 75.0 (deg C),The steady-state thermal rating is 561.4 amperes