MULTI-DISTRIBUTED ENERGY INTEGRATION INVERTER BASED ON ELECTROMAGNETIC ENERGY TRANSFER TECHNOLOGY AND GRID-FORMING CONTROL

Jiang Jianbo; Ma Ying; Zhao Enming; Li Peng; Liu Guangyu

doi:10.19912/j.0254-0096.tynxb.2025-0482

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (7) : 781-791. DOI: 10.19912/j.0254-0096.tynxb.2025-0482

MULTI-DISTRIBUTED ENERGY INTEGRATION INVERTER BASED ON ELECTROMAGNETIC ENERGY TRANSFER TECHNOLOGY AND GRID-FORMING CONTROL

Jiang Jianbo¹, Ma Ying¹, Zhao Enming¹, Li Peng², Liu Guangyu¹

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Abstract

The generation of electricity from renewable energy sources such as solar power is intermittent, this characteristic hinders its large-scale integration into the power grid. The integration of multiple distributed energy sources can realize complementary advantages and then smooth out power fluctuations. Based on this, this paper pro-poses a modular inverter consisting of a quad active bridge （QAB） converter, a cascaded H-bridge （CHB） inverter, and a multiple active bridge （MAB） converter, where the MAB is used to realize the electromagnetic energy transfer between the submodule converters. The main advantages of this topology include the following： each sub-module can be controlled independently, inter-phase power balance and intra-phase power balance can be achieved, and the MAB can reuse the high-frequency inverter of the QAB to reduce the number of switches. In addition, a collaborative control strategy based on virtual synchronous generator （VSG） control is designed to support the frequency of power grid. Finally, a hardware-in-the-loop semi-physical simulation platform is built to experimentally verify the effectiveness of the proposed modular inverter and cooperative control strategy.

Key words

renewable energy / distributed energy / electromagnetic energy / modular inverter / power balance / cooperative control

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Jiang Jianbo, Ma Ying, Zhao Enming, Li Peng, Liu Guangyu. MULTI-DISTRIBUTED ENERGY INTEGRATION INVERTER BASED ON ELECTROMAGNETIC ENERGY TRANSFER TECHNOLOGY AND GRID-FORMING CONTROL[J]. Acta Energiae Solaris Sinica. 2026, 47(7): 781-791 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0482

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