Capacitor is now on the market is very popular a kind of electrical equipment, it is also the kinds of quite rich variety, such as electrolytic capacitor
, paper capacitors, ceramic capacitors and film capacitor, etc. , each type of capacitor its characteristics and the application field and scope are different.
The film capacitor its specific circumstances and how?
Film capacitor based on organic plastic film medium to foil or metallic thin film electrode, made by winding way,
Except for laminated structure)
, with polyester film dielectric and the most widely used polypropylene film dielectric.
At present domestic organic film capacitor production with polyester film capacitors, polypropylene film capacitor is given priority to, such as the production enterprises, state-owned, collective, joint ventures, foreign-funded enterprises has developed rapidly, production is still in the traditional linear products, small, small times, chip product was still in the stage of development.
Film capacitor is to belong to a kind of use frequency is high, it is widely used in analog signal coupling and other power supply.
Film capacitor has very many excellent characteristics, it is a fairly good capacitor products.
The role of the role of film capacitor film capacitor in the actual use is very important, in the areas of our country has a more extensive application.
Among them, the capacitor in our are involved in every field.
For example we present many electronics are more extensive, among them, these areas are mainly electronic, some larger household appliances and other fields.
Film capacitor used very widely, such as air conditioners, refrigerators, washing machines, fans, lamps and lanterns, power supply, etc. , and are used for air conditioning fan capacitor demand is the largest.
And, more let us pay attention to is that some industries, such as a hybrid car industry, the development of the development of these industries is also more important.
And now, we in the construction of a conservation-minded society, so the country is also on the development of new resources, for the development of new resources, such as wind power and solar power, the elder brother can realize new energy for power generation and other industries are also able to larger film capacitor can be used.
And, the prospect of the industry in the next few years are relatively good, so the application of the film capacitor is very very difficult.
It is because these further steady development of the industry, thus to make the market become more good, the prospect of further promoting the film capacitor market economic growth.
Moreover, in recent years, our science and technology is very developed, so the development of these industries will be along with the development of the technology level can get further development.
Better optimization between industry, therefore, as a result, various industries, including electronics, electrical appliances industry, as well as electronic communications between multiple industries such as the development of the technology is more and more will, therefore, they will update soon, and, in this day and age, this can be a period of rapid development of science and technology, between their generation cycle is also becoming more and more short.
Film capacitor and the work is also very good.
The application of film capacitor in the application of power electronic circuits.
Film capacitor is used in it, a buffer is mainly plays an electric current and clamp, resonant bypass and inhibitory effect of power supply of electromagnetic interference and so on.
* when film capacitor is used as a by-pass, it is mainly to reduce the impedance of the dc bus and absorb the ripple current from the load, thereby effectively restrain dc bus voltage fluctuations in due to the load mutation.
* when the device is used for the resonant converter, it can rise to realize the function of the resonant with inductance.
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