Standalone solar power generation using 3-phase multilevel inverter with simpler basic unit cells

Chye, M. S.; Tan, Y. C.; Soo, J. A.; Ong, S. L.; Azmi, Syahrul Ashikin; Leong, J. H.

doi:10.1109/iced.2016.7804702

Cited by 1 publication

(2 citation statements)

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“…Renewable energy sources are becoming increasingly important for electricity generation, since non-renewable energy sources such as fossil fuels are facing serious problems, e.g., pollutions, uncertain future of fossil-fuel prices, being unsustainable and CO 2 emissions [1]. Among these alternative energy sources, solar energy has been identified as being clean and easily available [2].…”

Section: Introductionmentioning

confidence: 99%

“…However, DC power produced by PV modules is not compatible with standard electrical appliances operating with AC power. In order to be compatible with the standard AC electrical appliances, various inverter topologies are proposed and employed to convert the DC electricity to the AC form [1]. Among these topologies, multilevel inverters have been receiving much attention, the most popular of them being cascaded multilevel inverter topologies [3,4], diode-clamped multilevel inverter topologies [5,6] and flying-capacitor multilevel inverter topologies [7,8].…”

Section: Introductionmentioning

confidence: 99%

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Energy Balance Control of a Cascaded Multilevel Inverter for Standalone Solar Photovoltaic Applications

Wang

Tang

2017

Energies

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This paper presents a clock phase-shifting (CPS) energy balance control (EBC) method for cascaded half-bridge multilevel inverters in standalone solar photovoltaic (PV) systems. It is based on the conservation of energy in each cascaded unit. By shifting the phase of the clock pulse of each cascaded unit, a staircase-like output voltage is obtained. The CPS EBC not only regulates the staircase-like output voltage of the cascaded multilevel inverters accurately under static conditions, but also suppresses the fluctuations of DC sources and improves its dynamic responses to load steps. Thus, the problems existing in solar PV systems using the cascaded multilevel inverters are avoided. Results obtained from simulations and experiments are presented to verify the feasibility and advantages of the proposed control method.

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Section: Introductionmentioning

confidence: 99%