Since it was put into use in September this year, the optical storage system built by Xiamen Kehua Hengsheng Co., Ltd. for Putian New Energy (Shenzhen) Co., Ltd. has been operating stably for more than two months, and its reliability has been fully verified. The system was applied to the Shenzhen Bus Group Xiufeng Charging Station, which consists of photovoltaic power generation, energy storage systems, and emergency charging. It plays a key role in assisting the grid in peaking, smoothing the output of electric energy, and improving the stability of the power grid. It is the green of Shenzhen City. Buses provide safe, efficient, and intelligent green power protection.
High-efficiency power grid realizes intelligent interaction
Shenzhen Bus Group Xiufeng Charging Station is a charging station operated by Putian New Energy (Shenzhen) Co., Ltd. The station has 15 high-power bus rapid charging parking spaces and is an important part of Shenzhen New Energy Bus System Charging Network. As the high power consumption and instability of the charging station will bring a greater impact on the power grid, Putian hopes to have a safe and efficient energy storage system to ensure electrical energy security.
In order to improve the electricity consumption environment and power grid regulation at Xiufeng Charging Station, Kehua Hengsheng proposed an innovative integrated solution for the optical storage system through field research and technology development. That is, based on the charging station, photovoltaic power generation, energy storage systems, and emergency charging systems are added to perform smart grid interaction. On the one hand, the use of energy storage systems, all-round escorting charging station electricity safety, avoid fast-charge impact on the power grid; on the other hand, through the green power supply supplement, peak load filling and other ways, for the new energy electric bus More efficient and economical electricity.
Innovative light storage integrated design
This project adopts an integrated container design, consisting of 1.05MWH energy storage system, 50KW photovoltaic system, EMS smart grid management, etc. It is a set of small, safe and efficient intelligent charging system that can fully protect the green travel of new energy buses. .
The specific plan is as follows:
The project is equipped with 1.05MWH lithium iron phosphate battery storage and 50KW photovoltaic power generation system, energy storage converter configuration power is 250KW as the micro-grid energy system, through the off-grid control system in the low-voltage side 1600KVA busbar network to achieve cutting Peak filling and grid dispatch.
The constructed EMS system realizes the energy dispatching and sets the charge and discharge time based on the peak-valley electricity price at Xiufeng station to maximize the benefits, and also accepts the external dispatching instructions to adjust the working methods.
At the same time, it can switch from off-grid to off-grid. When the utility power fails, the energy storage system can be disconnected from the network, and the off-grid microgrid operation can be used to provide emergency power supply to the charging station's office equipment and emergency backup charging pile as backup power supply. Emergency charging.
Up to now, the optical storage system has been used for more than two months at the Xiufeng charging station. It has been maintaining efficient and stable operation. This proves that the system can effectively avoid the impact of high-power bus charging on the grid, and it also contributes to the utilization of power facilities. Maximize.
In the area of ​​energy storage, Kehuan Hengsheng, with its own innovation and independent brand, focused on customer needs and successfully developed energy storage systems under various commercial needs, covering the energy storage system on the power generation side and the energy storage system on the user side; Photovoltaic and wind power constitute a micro-grid energy storage solution that can be widely applied to non-electric areas, islands, border posts, energy applications, large supermarkets, and data centers.
As China's leading provider of integrated equipment power protection and energy conservation solutions, Kehua Hengsheng will continue to focus on customer needs, and will continue to innovate with cutting-edge technologies to provide energy storage, microgrid, photovoltaic power generation, charging piles, high-end power supplies, and data Center-level and other industry-wide solutions and services help customers create maximum value in various sectors such as transportation, finance, new energy, and data centers, and drive the industry to achieve energy conservation and emission reduction, contributing to the sustainable development of the social economy.
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