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1 epoxy resin electrical training materials
 | A column some very solid closure
The development of vacuum circuit breakers very column -------
1. The first generation of products: air-insulated, air-insulated in the first generation, the live parts completely exposed in the air, and its level of insulation in the air as humidity, dust and the transport process and the changes in bump, and the vulnerability of small animals such as the impact of foreign bodies.
2. The second generation of products: composite insulation will interrupter protection of epoxy resin sleeve. However, this sleeve is not fully to wrap high-voltage live parts, which will also be affected by dust, moisture, insects and so on.
3. The third generation of products: solid seal insulation, will vacuum interrupter and circuit breaker associated conductive parts at the same time easily embedded in epoxy resin curing such solid insulating materials in the formation of polar columns, the entire circuit as a whole very column components .
Letters column very solid advantages:
a) is a modular design, simple structure, small removable parts, high reliability;
b) is under very high insulation capacity. It will become the size of the surface insulation insulation, compared to air-insulated to reduce the impact of the environment
c) Dielectric strength greatly improved, it will enable the circuit breaker size is conducive to miniaturization switchgear. | | 2009-7-20 17:06:00 | | 【 back 】 |
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