Technical Blog

Hello! Curious about a crucial concept in energy storage systems—"backflow prevention"? Don't worry, we'll explain it in the most accessible way possible. Photovoltaic Energy Storage "Backflow Prevention": Key to Ensuring Safety and Profitability. In photovoltaic and energy storage projects, "backflow prevention" is a core technical concept crucial to grid security and project profitability. Understanding it is fundamental to project success.

As a technology-focused company deeply engaged in energy storage and charging, Dyness has integrated its StorCharge-4C and DH2150Y-BC energy storage and charging products to create a comprehensive capacity matrix covering 86kWh to 6MWh. Solutions (such as supercharging for heavy trucks and fast charging for construction equipment) can be customized for use in scenarios like mines and ports.

Industrial and commercial energy storage is no longer simply a cost expense; it's a smart investment that generates stable cash flow. It helps businesses transform from passive "electricity consumers" to proactive "energy managers," ultimately achieving the dual goals of cost reduction, efficiency improvement, and green transformation.

The Dyness DH200F is an integrated air-cooled solar-storage-diesel cabinet capable of DC-coupling photovoltaics, achieving efficient utilization of renewable energy and multi-energy complementarity. Its highly integrated design not only optimizes energy management but also incorporates a comprehensive active safety protection system, including an intelligent dual fire protection and exhaust explosion-proof system, which ensures the equipment's intrinsic safety.

Since 2025, we've noticed a rapid surge in demand for commercial and industrial energy storage overseas. Behind-the-meter energy storage systems (including both household and commercial energy storage) not only save customers electricity bills through peak-valley arbitrage but also serve as complementary storage for photovoltaic power generation, improving PV utilization and reducing curtailment. Some commercial and industrial energy storage systems in Europe and the United States can also participate in power trading, forming virtual power plants to generate additional revenue, and as a flexible resource, contribute to smoothing grid fluctuations and maintaining power balance.

This article will focus on important concepts such as charge and discharge efficiency, off-grid switching time, and cycle life in the field of energy storage.