Oem Power Line Insulator Power Strain Porcelain High Voltage Composite 33kv Post Insulators
Description:
Transformer bushing is to lead high and low voltage inside the transformer to the outside of the oil tank, not only as a lead to the ground insulation, but also bears the role of fixing the lead, transformer bushing is one of the transformer current-carrying elements, in the operation of the transformer, through the load current for a long time, in the case of short circuit outside the transformer through the short circuit current
ANSI CLASS | Jan-57 | Feb-57 | Mar-57 | Apr-57 |
Creepage Distance (mm) | 356 | 559 | 737 | 1015 |
Dry Arcing Distance (mm) | 165 | 241 | 311 | 368 |
Cantilever Strength (kN) | 12.5 | 12.5 | 12.5 | 12.5 |
Low Frequency Flashover Voltage-Dry (kV) | 70 | 100 | 125 | 140 |
Low Frequency Flashover Voltage-Wet (kV) | 50 | 70 | 95 | 110 |
Critical Impulse Flashover Voltage-Pos. (kV) | 120 | 160 | 200 | 230 |
Test Voltage to Ground (kV) | 15 | 22 | 30 | 44 |
Maximum RIV at 1000KHZ (µv) | 100 | 100 | 200 | 200 |
Net Weight (kg) | 4.8 | 7.8 | 11 | 18 |
Features:
Excellent thermal stability, with low dielectric losses even athigh operating temperatue (such as 90°C).
Equipped with test tap for tan δ and partial discharge measurement on transformer.
Less maintenance and resistance to aging.
Hermetically sealed with separate oil system.
Competitive Advantages:
Timely delivery.
Twenty four hours on-line service.
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