PowerGuard® AL 35kV 100% TR-XLPE CN XLPE UL Type MV-105 Electrical Properties (FLAT TOUCHING)

NOTES

Conductor ampacities are based on the following:

• Load factor of 100% or 75%

• Earth thermal resistivity of 0.900ºC-m/W

• Ambient earth temperature of 20ºC

• Maximum conductor operating temperature of 105ºC

• Concentric neutral wires grounded at both ends (shield circulating currents flowing)

• Minimum separation of 3 m or 9.8 ft from any other underground electrical system or heat source

• Maximum load variation between phases of 10%

• Maximum 910 mm or 36 in depth of burial

• Cable arrangements:

○ Trefoil and touching

○ Flat and touching

○ Flat and spaced 190 mm or 7.5 in, center-to-center

• The ampacity values calculated may be limited by the maximum earth interface temperature due to soil moisture migration or dry out, and has not been considered here.

Updated 3/16/2022

Unit of Measure

Items	A1/0-01UD35GT101X PowerGuard AL 35kV 100% TR-XLPE CN XLPE UL Type MV-105 Electrical Properties (FLAT TOUCHING)	A1/0-01UD35GT203X PowerGuard AL 35kV 100% TR-XLPE CN XLPE UL Type MV-105 Electrical Properties (FLAT TOUCHING)	A1/0-01UD35GT102X PowerGuard AL 35kV 100% TR-XLPE CN XLPE UL Type MV-105 Electrical Properties (FLAT TOUCHING)	A1/0-01UD35GT103X PowerGuard AL 35kV 100% TR-XLPE CN XLPE UL Type MV-105 Electrical Properties (FLAT TOUCHING)	A2/0-01UD35GT101X PowerGuard AL 35kV 100% TR-XLPE CN XLPE UL Type MV-105 Electrical Properties (FLAT TOUCHING)
Conductor Size AWG or kcmil	N/A 1/0	N/A 1/0	N/A 1/0	N/A 1/0	N/A 2/0
Neutral Wires	N/A 12	N/A 13	N/A 10	N/A 7	N/A 15
Neutral Size AWG	N/A 14	N/A 16	N/A 16	N/A 16	N/A 14
Neutral Size	N/A Full	N/A 2/3	N/A 1/2	N/A 1/3	N/A Full
Sequence Impedance Pos/Neg (µO/feet)	N/A 249.56 + j52.86	N/A 249.14 + j52.55	N/A 248.92 + j52.57	N/A 248.7 + j52.58	N/A 193.37 + j50.44
Seq Impedance Zero (µO/feet)	N/A 476.61 + j117.13	N/A 543.03 + j189.05	N/A 579.89 + j258.39	N/A 604.84 + j371.43	N/A 386.24 + j89.94
Ampacity LF=100% (A)	N/A 203	N/A 203	N/A 203	N/A 203	N/A 235
Ampacity LF=75% (A)	N/A 232	N/A 232	N/A 232	N/A 232	N/A 269