Master-Slave Synchronization in Off-Grid Solar Microgrids: Genset and Inverter Configurations

IGNATIUS RIYADI MARDIYANTO, MUSRINAH MUSRINAH, SRI PARYANTO MURSYID, SRI UTAMI, WILDAN ARASSID, RIDWAN NURDIN, AGOENG HARJATMO RAHARDJO, TJATUR UDJIANTO, APIP PUDIN

Abstract


The research analyzes the synchronization performance of off-grid solar AC microgrids by comparing genset-based and inverter-based master-slave configurations. Stability and power quality evaluations were conducted through MATLAB/Simulink simulations and experimental validation. Test results show that the genset-master configuration produces stable synchronization (220V/50Hz), while the inverter-master configuration experiences initial voltage instability. However, by optimizing the power capacity ratio between the master and slave units to 10:1 and implementing a properly designed PWM modulation, the system successfully achieves stable operation. An IoT-based monitoring system using ESP32 and PZEM-004T sensors provides real-time data to validate these findings, confirming that while the inverter-based master configuration is feasible, precise design parameters are required to ensure reliable synchronization

Keywords


Master-slave configuration; Synchronization; Grid-Tied Inverter (GTI); dan Internet of Things (IoT)

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References


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DOI: https://doi.org/10.26760/elkomika.v14i3.274

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ISSN (print) : 2338-8323 | ISSN (electronic) : 2459-9638

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