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What are the Differences Between Integrated and Modular Types of DC Fast Charging Stations?

As the adoption of electric vehicles becomes more widespread, the construction of charging infrastructure is increasingly becoming a focal point of societal attention. Within this infrastructure, direct current (DC) charging stations are the most common equipment. There are two main types of DC charging stations: integrated and split-type. Here, we will explore the advantages and disadvantages of both types from various perspectives.

From a user perspective, the primary difference between integrated and split-type DC charging stations lies in their internal structural design. Integrated DC charging stations typically consolidate components such as the power source, controller, and charging connector into a single unit, which is then installed directly at the charging station. Users simply connect the charging cable to begin charging. In contrast, split-type DC charging stations have independently designed core components like the controller and power source, which are combined as needed for use.

DC EV Charging ccs1

In terms of convenience, integrated DC charging stations offer a more straightforward experience. Users do not need additional operations to start charging—simply connecting the charging cable suffices. Split-type stations, however, require more user interaction to achieve the same outcome. Nonetheless, many users prefer the split-type due to its modular structure, offering greater flexibility. Additionally, split-type DC charging stations generally have a longer lifespan and more stable charging performance, one of their most competitive advantages in the EV charging market.

Looking at installation and maintenance, integrated DC charging stations require more space and often extensive ground excavation near the charging site for installation. Split-type stations, on the other hand, allow for more flexible “standalone” installations based on specific requirements. For maintenance, the high interdependence of components within integrated stations means that a failure in one component could affect others, complicating repairs. Split-type stations, with their independently designed modules, facilitate easier individual module replacement, thus offering greater flexibility in maintenance.

Finally, from a cost perspective, integrated DC charging stations generally have a higher overall price due to more extensive engineering and manufacturing processes involved. The more flexible design of split-type stations leads to lower production costs, and hence, they are usually priced lower. Of course, specific prices vary depending on the brand and model, but overall, split-type DC charging stations tend to be more cost-effective.

In summary, each type has its strengths and weaknesses. Integrated DC charging stations are more convenient in use and maintenance but are relatively more expensive. Split-type stations offer greater flexibility, higher charging stability, and longer lifespans but are more complex in terms of operation. When selecting a charging station, one should consider the site and usage requirements comprehensively to choose the most suitable charging solution.

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