| Cable Description/Size | TOWERGUARD CCA® 2kV (UL) RHW-2 Copper Clad Aluminum Conductor/90°C W | ||||||||||||
| 1000MCM - 7.5 in FLAT SPACING | |||||||||||||
| Input Parameters: | Electrical Characteristics Based on: | ||||||||||||
| IR Constant @ 60°F: | 20000 | Conductor Center to Center Spacing (S): | 7.5 in | ||||||||||
| Dielectric Constant : | 3 | Arrangement: | Flat spacing | ||||||||||
| Earth Resistivity : | 100Ω-m | Soil temperature: | 20 °C | ||||||||||
| Dissipation Factor : | 0.02% | Burial Depth: | 36" | ||||||||||
| Nominal voltage : | 2kV | Soil thermal resistivity: | 90°C-cm/W | ||||||||||
| Conductor Resistance: | Rdc @ 25°C : | 0.018 | Ω/kft | Rdc @ 25°C : | 0,060 | Ω/km | |||||||
| Rac @ 25°C : | 0.019 | Ω/kft | Rac @ 25°C : | 0,062 | Ω/km | ||||||||
| Rac @ 90°C : | 0.023 | Ω/kft | Rac @ 90°C : | 0,076 | Ω/km | ||||||||
| Capacitance: | 0.3875 | µF/kft | 1.271 | µF/km | |||||||||
| Shunt Capacitive Reactance/Susceptance: | Reactance : | 6845 | Ω/kft | Reactance : | 2086 | Ω-km | |||||||
| Susceptance: | 146 | µS/kft | Susceptance: | 479 | µS/km | ||||||||
| Charging Current : | 168 | mA/kft | 553 | mA/km | |||||||||
| Single Phase Reactance/Impedance: | Pos. & Neg. Seq. Impedance: | Real Ω/kft | Imag Ω/kft | Impedance Ω/kft | Pos. & Neg. Seq. Impedance: | Real Ω/kft | Imag Ω/kft | Impedance Ω/kft | |||||
| 0.023 | 0.067 | 0.071 | 0.077 | 0.254 | 0,234 | ||||||||
| Zero Seq. Impedance: | 0.077 | 0.631 | 0.635 | Zero Seq. Impedance: | 0.221 | 2.070 | 2,08 | ||||||
| Dielectric Losses: (Per Phase) | 3.89 | W/kft | 1.,78 | W/km | |||||||||
| Electrical Stress: | Insulation Average: | 12.83 | V/mil | Insulation Average: | 0.505 | kV/mm | |||||||
| Conductor Shield - Insulation Interface Max: | 13.67 | V/mil | Conductor Shield - Insulation Interface Max: | 0.538k | kV/mm | ||||||||
| Insulation - Insulation Shield Interface Min: | 11.99 | V/mil | Insulation - Insulation Shield Interface Min: | 0.472 | kV/mm | ||||||||
| Insulation Resistance: | 1138 | MΩ-kft | 3733 | MΩ-km | |||||||||
| Velocity of Propagation: | 203.33 | ft/µs | 61.99 | m/µs | |||||||||
| Conductor Fault Current @ 250°C: |
8 Cycles | 16 Cycles | 24 Cycles | ||||||||||
| 132902 A | 92219 A | 75765 A | |||||||||||
| Conductor Ampacity @ 90 °C | 75% Load Factor: | 945 A | |||||||||||
| 100% Load Factor: | 799 A | ||||||||||||
