Hybrid Three-Phase/Single-Phase Microgrid Architecture With Power Management Capabilities

With the fast proliferation of single-phase distributed generation (DG) units and loads integrated into residential microgrids, independent power sharing per phase and full use of the energy generated by DGs have become crucial. To address these issues, this paper proposes a hybrid microgrid archite...

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Bibliographic Details
Published in:IEEE transactions on power electronics 2015-10, Vol.30 (10), p.5964-5977
Main Authors: Qiuye Sun, Jianguo Zhou, Guerrero, Josep M., Huaguang Zhang
Format: Article
Language:English
Subjects:
adaptive backstepping-sliding-mode control
Controllers
droop control
Educational institutions
Electric power
Electricity distribution
Energy management
energy utilization
Hybridization
Lyapunov methods
Mathematical model
microgrid
Microgrids
Power demand
power sharing
Reactive power
Reliability
Validity
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Summary:With the fast proliferation of single-phase distributed generation (DG) units and loads integrated into residential microgrids, independent power sharing per phase and full use of the energy generated by DGs have become crucial. To address these issues, this paper proposes a hybrid microgrid architecture and its power management strategy. In this microgrid structure, a power sharing unit (PSU), composed of three single-phase back-to-back (SPBTB) converters, is proposed to be installed at the point of common coupling. The aim of the PSU is mainly to realize the power exchange and coordinated control of load power sharing among phases, as well as to allow full utilization of the energy generated by DGs. Meanwhile, the method combining the modified adaptive backstepping-sliding mode control approach and droop control is also proposed to design the SPBTB system controllers. With the application of the proposed PSU and its power management strategy, the loads among different phases can be properly supplied and the energy can be fully utilized, as well as obtaining better load sharing. Simulation and experimental results are provided to demonstrate the validity of the proposed hybrid microgrid structure and control.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2014.2379925