Industrial and Commercial Photovoltaic Storage Microgrid Solutions

Application Background

Industrial and commercial photovoltaic storage microgrid systems can fully and effectively harness the potential of distributed clean energy, smooth out random output fluctuations, improve power forecasting accuracy, reduce grid impact, enhance power supply quality and independent power supply reliability, and ensure safe grid operation, serving as a valuable supplement to the main grid. Additionally, energy storage can store excess power generation, increase the proportion of self-generated and self-consumed electricity, and perform peak shaving and valley filling functions.

Applicable Scenarios

Industrial and commercial parks, isolated islands, and power-deficient regions in Asia, Africa, and Latin America

Common Busbar Solution

The system incorporates both AC and DC busbars, with distributed power sources, energy storage devices, and loads connected to their respective busbars according to their power supply systems.

① A premium end-to-end solution integrating design, manufacturing, installation, and operation & maintenance, covering capacities from 30 kWp to 10 MW. This comprehensive offering provides users with a comfortable and convenient one-stop solution. Suitable for rooftops of industrial, commercial, agricultural, residential, hospital, and other public buildings.
② Core units employ a common DC bus configuration with direct current coupling, minimizing converter conversion losses. High penetration rates across all components enable precise control, boosting overall efficiency by at least 3%.
③ The EMS employs an advanced ARM Cortex-A7 core intelligent control system, offering scalability, high processing speed, and the capability to execute complex intelligent algorithms. This enables multi-objective energy management: Leveraging a big data cloud service platform, it facilitates remote monitoring and operation of faults and operational status, enhancing system maintenance capabilities and ensuring reliable system operation.

Common DC Bus Solution

Distributed power sources, energy storage devices, and loads all need to be connected to the DC bus.

① Suitable for power ratings between 30kW and 200kW, capable of operating both off-grid and grid-connected;
② DC coupling reduces converter conversion losses, boosting overall efficiency by at least 3%;
③ High penetration rates across all components enable precise control.

AC/DC Hybrid Busbar Solution

The system incorporates both AC and DC busbars, with distributed power sources, energy storage devices, and loads connected to their respective busbars according to their power supply systems.

① Suitable for applications ranging from 200kW to 5000kW, capable of standalone or grid-connected operation;
② Combines the high penetration and efficiency of common DC bus systems with the large capacity of common AC bus systems;
③ Features flexible and diverse structures, high load density, and complementary advantages between AC and DC bus systems.