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Discussion on the application of thin film capacitor in new energy vehicles

Author:Yixing Pulitai Electronic Materials Co., Ltd   Date:2019-12-12   Sources:en.yxplt.cn   Clicks:91 

Motor control technology is one of the core technologies of new energy vehicles. In the process of motor control, DC supporting capacitors are generally needed to provide instantaneous energy.

In the early days, electrolytic capacitors were used as DC support film capacitors.

Now with the development of thin film capacitor technology, especially the development of base film technology and the emergence of metallization segmentation technology, not only the volume of thin film capacitor is smaller, but also the withstand voltage level of products is greater. More and more companies use high-temperature polypropylene film capacitor as DC support capacitor. At present, film capacitor is used in new energy vehicles of mainstream brands at home and abroad As DC support capacitor.

It turns out that the new capacitance film capacitor is not only widely used, but also has many advantages:

1. Good product safety and strong overpressure resistance

2. Good temperature characteristics, wide range of product temperature use, - 40 ℃ - 105 ℃

3. Stable frequency characteristics, good high frequency characteristics of products

4. No polarity, able to withstand reverse voltage

5. High rated voltage, no need for series connection and balance resistance

6. Low ESR, strong ripple current resistance

7. low ESL

8. Strong anti surge current capability

9. Long service life


Tag:Discussion on the application of thin film capacitor in new energy vehicles

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