Energy storage PCS power innovation, challenges and breakthroughs

Energy storage PCS power innovation, challenges and breakthroughs

As energy storage technology continues to innovate, PCS (energy storage converter) is the "heart" of the energy storage system, and its power directly affects the overall performance and application scope of the energy storage system. With the continuous iteration of battery cell capacity in the market, PCS power demand has also increased. The development of higher-power PCS has also become the top priority of PCS manufacturers and is also a challenge to PCS manufacturers.

Challenges faced by energy storage PCS power improvement

01Heat dissipation problem

As the power of PCS increases, internal power devices will generate a large amount of heat during operation. When using traditional heat dissipation methods, if the heat cannot be dissipated in a timely and effective manner, the temperature of the device will be too high, which will affect its performance and life, and even cause safety issues. For example, under high-power continuous operation conditions, for every 10°C increase in power device temperature, its reliability may drop by about 50%, making heat dissipation design a major bottleneck for power improvement.

02Electromagnetic interference and electromagnetic compatibility

High-power PCS will produce strong electromagnetic interference when working. These interferences will not only affect the stable operation of its own system, but may also have adverse effects on surrounding electronic equipment. How to increase power while ensuring that PCS meets strict electromagnetic compatibility standards and reduce interference to other equipment is a difficult problem that engineers must overcome.

03Control algorithm complexity

After the power is increased, the control difficulty of PCS increases exponentially. In order to achieve efficient and stable energy conversion, more precise and complex control algorithms are needed. This requires the control algorithm to be able to monitor and adjust multiple parameters such as current, voltage, frequency, etc. in real time, and also adapt to different working conditions and load changes, which places extremely high demands on the technical capabilities of the R&D team .

04Device performance limitations

High-power operation sets higher standards for the voltage and current resistance of power devices. At present, the performance of some power devices on the market cannot meet the demand for continuous high-power operation. Finding or developing high-performance power devices has become one of the key constraints in improving PCS power.

InBev Intelligent Storage 450kWPCS: Breakthrough and Innovation

Faced with the above challenges, InBev Intelligent Storage relied on years of technology accumulation and innovation capabilities to successfully launch a 450kW PCS product and achieve breakthroughs in many aspects.

01Efficient heat dissipation design

InBev Intelligent Storage 450kW PCS adopts advanced liquid cooling technology. Through a carefully designed liquid cooling circulation system, the heat generated by power devices can be quickly taken away, ensuring that the core device temperature is always maintained within a reasonable range when the equipment is operating at high power. Compared with traditional air-cooled heat dissipation, liquid cooling heat dissipation efficiency is increased by about 40%, effectively ensuring the stable operation and long life cycle of the equipment.

02Excellent electromagnetic compatibility performance

In terms of electromagnetic compatibility, InBev Intelligent Storage 450kWPCS starts from multiple dimensions such as circuit layout, shielding design and filter circuit optimization. It adopts a multi-layer shielding structure and high-performance filter components to significantly reduce the intensity of electromagnetic interference. It has passed strict electromagnetic compatibility tests and can work stably with various types of equipment, reducing the impact on peripheral equipment .

03Intelligent control algorithm

This product is equipped with a self-developed intelligent control algorithm that can quickly and accurately adjust power output. Based on advanced digital signal processing technology, the control algorithm can monitor system parameters in real time and automatically adjust the control strategy according to changes in working conditions. Under complex working conditions such as grid frequency fluctuations and load mutations, it can still maintain stable power output, and the full-load energy conversion efficiency is as high as 98.5% .

04High-performance device applications

InBev Intelligent Storage 450kW PCS uses high-performance power devices, reaching industry-leading levels in key performance indicators such as voltage and current resistance. The application of these devices not only meets the requirements for high-power operation, but also improves the reliability and stability of the equipment, providing a solid hardware foundation for power improvement.

Application advantages of 450kWPCS

The launch of InBev Intelligent Storage 450kW PCS has brought significant advantages to energy storage projects. In large-scale industrial and commercial energy storage projects, high-power PCS can be managed one cluster at a time to avoid the "barrel effect" caused by uneven SOC between clusters and improve the response speed and efficiency of the energy storage system. Taking an industrial and commercial energy storage project equipped with multiple 450kW PCS as an example, in the peak and valley electricity price arbitrage scenario, compared with traditional low-power PCS, it creates more economic benefits every year.

In the grid-side energy storage project, InBev Intelligent Storage 450kWPCS can quickly respond to grid dispatching instructions, realize peak shaving and valley filling, frequency adjustment and other functions through charge and discharge adjustment, improving the stability and reliability of the power grid. In addition, InBev's 450kW-PCS integrated high-voltage box reduces integration costs while enabling container AC and DC integration, reducing system costs and floor space, and improving the overall economics of the project.

Although it is difficult to increase the power of energy storage PCS, breakthroughs are gradually being achieved with the continuous exploration and innovation of companies like InBev Intelligent Storage. The successful development and application of InBev Intelligent Storage 450kWPCS not only demonstrates the technological progress of the industry, but also injects new impetus into the development of the energy storage industry. In the future, with the continuous iteration of technology, we have reason to believe that the continuous innovation of InBev Intelligent Storage PCS will contribute more to building a cleaner, more efficient and stable energy system.

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About us:

Beijing Yingbo Electric Co., Ltd. was established in March 2004. It is a high-tech enterprise. The company is headquartered in Zhongguancun High-tech Industrial Park, Beijing. It currently has 3 R&D centers, 3 production bases and 25 offices/sales outlets nationwide, and has built a nationwide marketing and service network covering power quality and energy storage systems. It integrates two major business segments. Among them, the energy storage system mainly includes a full range of product matrices such as 35~450kW string energy storage converters, 125kW hybrid inverter modules, 500~3450kW centralized energy storage converters, and 500kW~10MW boost integrated cabins. It also provides parallel and off-grid switching cabinets, and EPC general contracting services for energy storage projects. The company has obtained 320+ independent intellectual property rights (including acceptance), 50+ invention patents (including acceptance), and 100+ software copyrights (including acceptance). It has experience in R&D, system integration and power system application of power electronics platforms and new energy products. The company entered the energy storage industry in 2014 and has successively won honors from third-party authoritative organizations such as "Top Ten Domestic Medium and High Power PCS Shipments in 2020", "Best PCS Supplier in China's Energy Storage Industry in 2022", "Top Ten Global Medium and High Power PCS Shipments by Chinese Enterprises in 2022", "Top Ten Domestic PCS Shipments in 2023", and "Top Ten Global PCS Shipments in 2024". To learn more about InBev Electric, you are welcome to visit the official website of InBev Electric: www.in-power.net