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Talking about strap contact finger technology and its application in Photovoltaic energy connector
- Time of issue:2021-07-13 10:11
- Views:
Talking about strap contact finger technology and its application in Photovoltaic energy connector
(Summary description)Since the development of the photovoltaic industry, technological transformations have emerged one after another. For the Photovoltaic energy connector, it has only undergone two generations of changes, and perhaps "stability" is the way to develop it.
- Time of issue:2021-07-13 10:11
- Views:
Since the development of the photovoltaic industry, technological transformations have emerged one after another. For the Photovoltaic energy connector, it has only undergone two generations of changes, and perhaps "stability" is the way to develop it. "Stable" means reliability and safety, which is closely related to the electrical connection skill level and experience of photovoltaic energy connector manufacturers. As a conductive medium, the strap contact finger is a specially shaped elastic connecting element, which can significantly improve the quality of electrical connection and energy transmission, so that the photovoltaic energy connector has a continuously low touch resistance.
Before the Photovoltaic energy connector was presented, the connection of the photovoltaic power station was mainly completed by the "splice" (screw terminal or splice connector) method. With the development of the profession, the industry's demand for fast, safe and easy-to-operate connection plans has become increasingly fierce.
In 1996, a new type of plug-in connector came into being, which is the photovoltaic energy connector. MC3 is a photovoltaic energy connector product in its true meaning. It is a completely different connection method from "splice". Its meaning is to define the connection of photovoltaic modules from the beginning. In 2002, MC4 came out on the market and once again defined the Photovoltaic energy connector from the ground up. It truly completed the "plug and play". As the requirements of the photovoltaic power plant system are getting higher and higher, whether it is from the specification level or the safety level, it is inevitable that MC4 will present and replace MC3. MC4 has been successfully applied for nearly 17 years since it was developed and introduced to the market in 2002, and it has gradually become a professional norm. At present, there are many kinds of connector products on the market, but in terms of structure or appearance, most of them use MC4 style, so we can call it "like MC4".
From the point of view of electrical connection, "splice" uses hard connection, while MC3 and MC4 Photovoltaic energy connectors use strap contact finger connection skills. Stäubli watchband contact finger skills have been used in the field of electrical connectors for more than 50 years, and are widely used in more than 20 occupations such as photovoltaics, power transmission and distribution, automation and electric transportation.
Compared with various types of strap contact finger applications in occupations such as power transmission and distribution, the strap contact finger used by the Photovoltaic energy connector is relatively single. The "stability" of the Photovoltaic energy connector mentioned above means that the structure and shape of the Photovoltaic energy connector have not changed much over the past two decades, and the other is the stability that the Photovoltaic energy connector should exhibit in long-term use. One point is closely related to the strap contact finger.