Main technical parameters (GB IEC) of glass insulator for electrified railway catenary
Type | Diameter D （mm） | Spacing H （mm） | Creepage Distance L (mm) | Mechanical Failing Load （kN） | Size of Coupling (mm) | Mechanical Routine Test（kN） | Power Frequency withstand Voltage (Dry)（kV） | Power Frequency withstand Voltage (Wet)（kV） | Lighting Impulse Withstand Voltage (kV) | Impulse Withstand Voltage (p.u.) | Min Power Frequency Puncture Voltage（kV） | Radio Interference Voltage 10KV,1MHz (μV) | Corona Test (pin ∩) (kV) | Power Frequency Electric Arc Test | Net Weight Per Unit(kg) |
LXP-70T | 255 | 146 | 320 | The iron cap uses a 16W/16R spherical connection, and the steel leg uses a 16C connection. | 70 | 35 | 70 | 40 | 100 | 2.8 | 130 | ≤50 | 18/22 | 0.12s/20kA | 4.4 |
LXWP-70T | 255 | 146 | 400 | The iron cap uses a 16W/16R spherical connection, and the steel leg uses a 16C connection. | 70 | 35 | 80 | 45 | 110 | 2.8 | 130 | ≤50 | 18/22 | 0.12s/20kA | 5.0 |
LXWP1-70T | 280 | 146 | 450 | The iron cap uses a 16W/16R spherical connection, and the steel leg uses a 16C connection. | 70 | 35 | 85 | 50 | 125 | 2.8 | 130 | ≤50 | 18/22 | 0.12s/20kA | 5.5 |
LXP-80T | 255 | 146 | 320 | The iron cap uses a 16W/16R spherical connection, and the steel leg uses a 16C connection. | 80 | 40 | 70 | 40 | 100 | 2.8 | 130 | ≤50 | 18/22 | 0.12s/20kA | 4.0 |
LXWP-80T | 255 | 146 | 400 | The iron cap uses a 16W/16R spherical connection, and the steel leg uses a 16C connection. | 80 | 40 | 80 | 45 | 110 | 2.8 | 130 | ≤50 | 18/22 | 0.12s/20kA | 5.0 |
LXWP1-80T | 280 | 146 | 450 | The iron cap uses a 16W/16R spherical connection, and the steel leg uses a 16C connection. | 80 | 40 | 85 | 50 | 125 | 2.8 | 130 | ≤50 | 18/22 | 0.12s/20kA | 5.5 |
