The phase circulating current (PCC) of the parallel three-phase inverter systems dramatically affects the power quality and conversion efficiency of the power grid. In this
Integrating filters into inverters to improve the power quality is essential. This study examines a three-phase dual-frequency grid-connected inverter designed to minimize
The paralleled configuration of three-phase two-level (3P2L) inverters has been put forward to increase the output power rating, operating efficiency, and system reliability. Nevertheless, this
Abstract— This paper analyzes the imbalances that produce circulating current in a system of two three-phase Voltage Source Inverters (VSI) with Space Vector Pulse Width
To validate the effectiveness of this control architecture, experiments were conducted using a 30-kVA grid emulator and three 5–10 kVA, 208-V three-phase inverters.
Whereas, current researches about active current sharing method in paralleled inverter systems mainly focus on single or three-phase three-leg inverter (3p3l). Compared to the 3p3l inverter,
When connecting two parallel three-phase voltage source inverters between the same DC power supply and AC bus, a zero-sequence circulating current will occur. The
Compared with traditional interleaved paralleling, the integrated paralleling of three-level inverters can further reduce the output harmonics. Moreover, a well-designed switching
The phase circulating current (PCC) of the parallel three-phase inverter systems dramatically affects the power quality and conversion efficiency of the power grid. In this
This paper presents a circulating current control method for paralleled three-level neutral point clamped (NPC) inverter. The analytical model that describes the circulating
The paralleled configuration of three-phase two-level (3P2L) inverters has been put forward to increase the output power rating, operating efficiency, and system reliability.
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