Jul. 28, 2021
At present, the functions of domestic electricity meters are becoming more intelligent. With the rapid development of network information, the previous method of on-site electricity checking and charging has been gradually replaced by the way of checking electricity consumption information on the Internet and bank payment, so long-term data storage and display is indispensable. Now most electric meters use various batteries to provide power for the clock chip and power failure protection. The use of super capacitors can achieve this function has more advantages than using batteries.
Advantages of Super Capacitors:
1) It can be charged with a large current, the charging and discharging time is short, the requirements for the charging circuit are simple, and there is no memory effect. Supercapacitor charging is the physical process of charging and discharging the electric double layers or the rapid and reversible chemical process on the surface of the electrode materials. It can be charged with high current and can complete the charging process within tens of seconds to several minutes. It is fast recharge in the true sense. While the battery takes several hours to complete charging, and it takes some time to use fast charging;
2) Long cycle use, the number of deep charge and discharge cycles can reach more than 500,000 times;
3) The energy conversion efficiency is high, the process loss is small, and the high current energy cycle efficiency is ≥90%;
4) High power density, equivalent to 5-10 times of battery;
5) The product raw material composition, production, use, storage and dismantling process are free of pollution, which is an ideal green and environmentally friendly power source;
6) The guarantee coefficient is high, and it is maintenance-free for long-term use;
7) Good temperature characteristics, it can work normally in the temperature range of -40℃ to +85℃;
8) Convenient measurement, the remaining power can be read directly;
9) Can be used in series and parallel;
10) Small size, compact appearance, easy to install, save space, and can be sealed;
The above content is all about the advantages of using super capacitors in electric meters. Hopefully it's helpful to someone who wants to know about this topic. Dongguan Zhixu Electronic Co., Ltd. (also JYH HSU(JEC)) produces and sells a full range of super capacitor models. JEC has passed ISO9001:2015 quality management system certification. Its safety capacitors (X and Y series) and varistors have passed authoritative certifications of many countries and its ceramic capacitors and film capacitors are in line with environmental protection directives.
Jul. 28, 2021
The Selection Method of Varistor
Jul. 28, 2021
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