Knowledge popularization and development history of solar connector

Knowledge popularization and development history of solar connector

With the wide application of global solar power generation systems in life, I believe that everyone is no stranger to solar power generation. We can find solar connectors on essential components of solar power generation systems such as modules, combiner boxes, and inverters. , So what exactly is a solar connector? What is its function?

1. What is a solar connector?
In a complete solar power generation system, the power of many components needs to be brought together into the inverter, and the accessories used for interconnecting the components, combiner boxes, controllers, and inverters in the system are called accessories. It is a solar connector. Solar connectors, commonly known as terminals or quick connectors, can be plugged in and connected. The different application points of solar connectors can be divided into line-end connectors, board-end connectors, and branches: connector, our most well-known solar connector multi-finger wire end connector. 

2. The role of solar connectors
Solar connectors are a transportation hub that effectively connects the critical components of the solar power generation system. They undertake the heavy responsibility of the successful connection of the system and are the essential parts related to the operation and maintenance of the entire system. Therefore, they can be described as the main artery of the solar power generation system.

3. History of Solar Connectors
For solar connectors, 1996 and 2002 were two critical years. These two-time points also coincided with the virtual nodes of the development of the photovoltaic industry. Although photovoltaic connectors did not accompany the photovoltaic sector, their appearance has extensively promoted the rapid rise of photovoltaic installations.
As early as 1996, there were no actual solar connectors. Solar cables were still connected using standard screw terminals or splice connections, covered with insulating tape, which was time-consuming and labor-intensive. And less reliable, with the increase in the number of solar system installations, the market urgently needs a connection solution that can be fast, safe, and easy to operate.
By 1996, based on these application environments and market demands, a new type of plug-in connector (plug-connector) became the world's first actual photovoltaic connector. Thermoplastic Elastomer), and through a friction fit to achieve physical connection; more importantly, its connection system uses MULTILAM technology to ensure the lasting stability of the relationship.
After several years of continuous optimization and improvement, in 2002, the solar connector was redefined again; it truly realized "plug and play" (plug and play), the insulating material used rigid plastic (PC/PA), and in the design, It is easier to assemble and install on-site. Through the evolution of this series of solar connectors, it has been fully able to meet customers' needs for 1500V photovoltaic systems.

4. Application environment of solar connector
Solar systems are exposed to wind, rain, hot sun, and extreme temperature changes for a long time, so solar connectors must be able to adapt to these harsh environments. Therefore, they must not only be waterproof, high temperature, and UV resistant, but also touch protected, have a high current-carrying capacity, and be efficient. At the same time, low contact resistance is also an important consideration. This must also run through the entire photovoltaic system life cycle, at least 25 years.

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