A：1、The high-temperature film made by Terofan Germany is used. The film thickness is only 8.5um, and it can withstand high temperature about 115 centigrade, and prevent break-down effectively. Other manufacturers basically used China domestic made 7um film, which performs poorly on temperature resistance.
2、Lafaelt capacitors use Swiss made automatic winding machine. The flatness and tightness of the winding film are evenly achieved, the damage is small during the winding process and the film is not easy to break down.
3、Lafaelt capacitors have 1.8 times of long-term overcurrent capacity, which is far exceeding the national standard of 1.3 times, and it suppresses the influence of harmonics on capacitors more effectively.
4、In addition to the pressure tension explosion-proof device, the Lafaelt capacitor also has a temperature protection node. After connecting the node to secondary control circuit loop, when the temperature of the capacitor is too high, the whole circuit will be cut off to protect the capacitor.
5、The capacitor filling medium is black glue, which is solid state at normal temperature, and will become suspended and mixed state when the temperature reaches over 85 centigrade, to facilitate the release of gas pressure inside the capacitor, then to make effective action of the pressure valve, and to effective protect the capacitor and prevent the expansion of the accident.
Lafaelt capacitor is certified for 750 hours aging test, 1000 continuous charge-discharge cycle tests, and 200 thousand hours’ life test.
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