In-depth Analysis: Grid-connected inverters – anti-backflow devices ≠ hybrid grid systems: Clarifying key misconceptions in the industry

Many users suffer from a serious confusion of concepts, mistakenly believing that ‘grid-connected inverters with anti-backfeed protection = hybrid grid connection’. However, when viewed from the four key perspectives of technical definitions, system architecture, operational logic and industry standards, there are fundamental and insurmountable technical differences between the two. Clarifying this core misconception can help users avoid a range of problems.

26-08-17

New off-grid inverter: completely eliminates the need for manual switching, solving the problem of equipment damage caused by system shutdown due to low battery levels

With technological advancements, fully automatic seamless switching has become a standard feature of pure off-grid inverters, perfectly balancing the utilisation efficiency of photovoltaic storage with the stability of power supply. This resolves the key pain points associated with older off-grid inverters—namely, the need for manual switching and equipment damage caused by shutdowns—eliminating the need to blindly pursue complex grid-connected anti-redundancy and mixed-grid solutions.

26-08-17

Key Differences Between String Inverters, Energy Storage PCS and Grid-Tied Inverters, and a Guide to Selecting the Right Solution for Different Scenarios

A detailed explanation of the key differences and suitable applications for string inverters, energy storage PCS units and grid-tied inverters. Each serves a distinct function, and selecting the wrong type can easily lead to issues such as energy storage failure and power generation losses.

26-08-17

Based on the same energy capacity (1 kWh): Analysis of the key differences between ternary lithium, lithium iron phosphate and lead-acid batteries, and their suitability for different applications

There is no absolute “better” or “worse” among these three types of batteries; it all comes down to which one is best suited for a given scenario. Only by precisely matching the battery to the specific scenario can you maximize its energy storage value and reduce long-term operating costs.

26-08-14

A Comparison of Power-Frequency and High-Frequency Inverter Technologies and a Selection Guide

As the photovoltaic market continues to grow, the range of applications for inverters is constantly expanding. This article provides a comprehensive analysis of line-frequency and high-frequency inverters from the perspectives of their operating principles, structure and core performance, offering guidance on selecting the appropriate inverter for projects such as commercial and industrial energy storage, off-grid power supply and vehicle power systems.

26-08-14

In-depth Analysis: Core Operational Logic Differences Between New Off-grid Inverters and Hybrid Inverters

Off-grid inverters operate on the principle of ‘if there isn’t enough power, switch to another power source’, whilst grid-tied inverters operate on the principle of ‘if there isn’t enough power, supplement it collectively’.

26-08-13