HC Home Grid 2.14 shopping guide: This week once again ushered in the "double festival" in this year - Valentine's Day and Lantern Festival. The arrival of the festival has pushed the consumption of the whole people to a new climax. Of course, the color TV promotion activities in the home appliance market are ready for the festival activities early. In order to increase the sales volume of TVs, various hypermarkets have launched a number of promotional activities, buying large sizes to send small sizes... such activities are really eye-catching. The two festivals next week will also push the beginning of the rabbit appliance sales promotion to a new stage. Every holiday, the customs and habits of our national gifts have always existed. The gifts we usually send are similar. It is also a good choice to send a TV to this family.
Today's Xiaobian recommended for everyone is the leading TCL brand TV in domestic color TV. From LED, Internet TV, 3D TV to Internet Smart TV, TCL frequently launched many new TVs last year. Of course, these TVs are in performance and price. They are all very powerful. If you like domestic color TV, choose TCL color TV, but you are a wise choice. TCL has made different price reduction promotions for several types of TVs in the coming of the two festivals. Xiaobian today brings you five models with great value. If you like TV, you can take the time to purchase. As the saying goes, the opportunity is not lost, the purchase of premium TV can not be lost. (1 thousand words are omitted here)
High voltage ceramic insulator
Insulator is a special insulation control, which can play an important role in overhead transmission lines. In the early years, insulators were mostly used for power poles, and gradually developed into high voltage power lines. A lot of disk-shaped insulators were hung at one end of the connecting tower. They are used to increase the creepage distance. They are usually made of glass or ceramics, called insulators.
The applicable environment of insulators is - 40 ℃~+40 ℃, and some products can be used in areas with an altitude of 4000m. The products are divided into two categories: ordinary type and anti-pollution type. The anti-pollution type can be used in medium, heavy and extremely heavy pollution areas.
The surface of porcelain parts of porcelain insulators is usually covered with porcelain glaze to improve its mechanical strength, waterproof infiltration and increase surface smoothness. Among all kinds of insulators, porcelain insulators are the most widely used. It is mainly used for insulation and support of live parts in power frequency AC voltage 10kV~1100kV outdoor power stations, substation distribution devices and electrical equipment.
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