Focus on "Double Carbon"--"Intelligent Microgrid Phase II Energy Storage Project" Developed by Shiyou Electric Is Successfully Connected To The Grid!

Shiyou Electric has been actively building intelligent microgrid projects with the company's park as an important pilot. After the successful grid-connected power generation of the first phase of the distributed photovoltaic project, the second phase of the energy storage project has also been officially connected to the grid recently.

This project (100kWh/200kWh) is the first industrial park energy storage project in Hunan Province to adopt Huawei's solution and core equipment, and is also the first energy storage project in China to use Huawei energy Cloud. Shiyou Electric is actively working with relevant partners to promote the promotion and application of new solutions, new platforms and new equipment in the field of new energy.

System topology

1. Cluster energy storage system

The energy storage system includes power control module and lithium battery module, which can store and release electric energy according to the requirements of intelligent battery cluster controller, and has multiple sub-systems such as power supply and distribution system, monitoring system, environmental control system, fire suppression system, etc., which has the characteristics of safety and reliability, rapid deployment, low cost, high energy efficiency and intelligent management. Truly realize "one package optimization, one cluster management" to ensure the maximum utilization of battery capacity.

Cluster energy storage system

2. Modular energy storage controller PCS

PCS adopts DC bus architecture to charge and discharge the system with high efficiency more safely and intelligently, realizing active and reactive power bidirectional and four-quadrant operation. PCS is equipped with intelligent air cooling, which can automatically adjust temperature according to the ambient temperature in time, and has 110% long-term overload and 120% short-term overload function, and has DC bus short-circuit protection, AC lightning protection and other functions.

Modular energy storage controller PCS

3. Shiyou self-developed intelligent AC power distribution cabinet

High-protection outdoor panel cabinet, photovoltaic, energy storage, charging pile integrated power distribution, with 12 50kW photovoltaic, 4 100kW energy storage, 2 300kW charging pile circuit; The deployment of high-precision smart meters and self-developed terminals, accurate collection of loop data, flexible configuration of a variety of networks, the combination of edge computing and cloud computing, with Type1+2 AC lightning protection, video surveillance capabilities, making the entire intelligent microgrid system more secure and reliable.

Shiyou Electric self-developed intelligent AC power distribution cabinet

4. Digital energy management platforms have been further upgraded

Compared with the first phase of the project, the second phase of the energy storage project has made a greater breakthrough in the digital energy platform - the use of the world you self-developed terminal, the terminal uses high-performance SoC and operating system, provides a very rich peripheral interface, has the characteristics of fast communication speed, low delay, and provides reliable edge computing capabilities, can be widely used in the Internet of Things data acquisition and transmission. The successful launch and use of this terminal has met a series of functional requirements of SEyou's independent digital energy platform, such as visual large-screen display, multi-power station status control and analysis, inverter status analysis, energy storage status analysis, weather station data monitoring, video surveillance, data report analysis, operation and maintenance management and control.

Application of self-developed terminal

Visualisation Display Platform

Epilogue

Next, Shiyou Electric will start the construction of the third phase of intelligent microgrid charging pile project, continue to strengthen the innovation and research of "Solar-storage-charge" in the practical application field, improve the efficiency of clean energy utilization, achieve power peak cutting and valley filling, and practice the "double carbon" goal with practical actions.