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In June last year, Shenzhen, Guangdong Province launched the construction of a "supercharging city", and the layout of supercharging stations was accelerated. At present, Shenzhen has preliminarily built supercharging service points throughout the city, and the number of overcharging stations and charging guns has exceeded the number of gas stations and gas guns.
Today, let's follow the reporter to see how fast the supercharge is? And how about how well it is utilized?
Open the "i Shenzhen" mobile App, you can display the nearest overcharging station from the owner, according to the prompt, the reporter took about 8 minutes to reach the nearest supercharging station. Scan the QR code on the charging pile, pick up the gun and power up, it only takes about 4 minutes to restore the power of the car from 49% to 60%. Compared with ordinary charging piles, the charging efficiency of supercharging piles can be increased by up to 5 to 10 times. The charging price is the same as that of ordinary charging piles.
Mr. Li, a new energy vehicle owner: On the traditional fast charging, the charging time is about 40 minutes to 1 hour, and on the overcharging, the charging time is shortened to about 20 minutes.
At another supercharging station, the staff told reporters that there are a total of 18 charging guns in the station, and each charging gun charges nearly 12 vehicles a day on average.
Mr. Yin, a new energy vehicle owner: In the past, there were fewer charging stations, but now there are more and more charging stations. Now we can easily search on the mobile phone and find the nearest charging station.
As of April 30, Shenzhen has built a total of 362 supercharging stations, realizing that the number of overcharging stations and charging guns exceeds the number of gas stations and gas guns.
Chen Min, Senior Manager of Transaction Management, Marketing and Customer Service Department, Shenzhen Power Supply Bureau, China Southern Power Grid: With the promotion of the supercharging mode, the charging efficiency has been greatly improved, and the charging capacity has also increased rapidly. From January to April this year, the cumulative charging capacity of new energy vehicles in Shenzhen was 920 million kWh, an increase of 4.6% year-on-year.
Accelerate the construction of a "supercharging city"
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Some people are worried that the access of so many high-power supercharging stations will increase the load on the power grid. The staff of the power department told reporters that the power grid can achieve smooth operation through reasonable scheduling and management, and the overcharging station will not cause pressure on the power grid.
In addition to accelerating the layout of supercharging stations, Shenzhen has also accelerated the construction of a "supercharging city" through technological innovation, industrial layout, and improvement of norms and standards.
At a demonstration supercharging station for optical storage, charging and discharging that is in trial operation in the central area of Shenzhen, new energy vehicles have come to experience new charging methods. The station is not only equipped with a fully liquid-cooled supercharging pile of the supercharging station, but also applies photovoltaic power generation and energy storage batteries, which can supplement the charging power and use green energy.
Jiangdi, head of supercharging station operation: Combined with our energy storage system, it can be charged during the valley period and then discharged during the peak period, which can effectively solve the impact on the power grid when a large number of trams use electricity during the valley period.
It is understood that in Shenzhen, two of the three new cars registered are new energy vehicles. Up to now, in the field of new energy vehicle charging equipment manufacturing, Shenzhen's local enterprises have a total national market share of more than 70%.
In addition to promoting technology implementation and industrial development, Shenzhen has also further improved the relevant policies for the construction of supercharging stations. Since April 1, Shenzhen has implemented the country's first "Classification and Evaluation Code for Electric Vehicle Super Charging Equipment" and "Design Code for Centralized Public Charging Stations for Electric Vehicles". The two specifications not only clarify that the rated power of a single gun of overcharging equipment is not less than 480kW, but also set specific standards and specifications for the location and layout of centralized public charging stations for electric vehicles, which will further promote the high-quality construction of centralized public charging stations and overcharging stations in Shenzhen.
It is understood that Shenzhen plans to build a total of 1,000 supercharging stations by the end of 2024.
Editor in charge: Zhang Jing