150GW by 2030: PV Market Outlook for Japan

Sugibuchi, Koichi; Kaizuka, Izumi; Yamaya, Haruki; Ohigashi, Takashi; Ikki, Osamu

doi:10.1109/pvsc.2018.8547453

Cited by 3 publications

(3 citation statements)

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“…Then, the maximum available reactive power output Q max is calculated with regard to the inverter capacity S inv . To prevent undesired generation curtailment of PV generators, priority is given to active power generation in the inverter capacity usage, which means that reactive generation can only use the inverter capacity retained by active power generation according to (1),…”

Section: Pid Closed-loop Based Vv Functionmentioning

confidence: 99%

“…To control the rate of global warming, the development of renewable energy, especially photovoltaic (PV) generation, has been promoted globally. After the implementation of feed-in tariff policy [1], there has been rapid growth in the PV installation capacity in Japan since 2012. Distributed PV generators brings various challenges to voltage regulation in distribution systems.…”

Section: Introductionmentioning

confidence: 99%

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A Decentralized Voltage Regulation Scheme Using Improved Volt‐Var Function of PV Smart Inverter

Xie,

Kaneko,

Hayashi

2024

IEEJ Transactions Elec Engng

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With the growing distributed PV installation rate in distribution systems, voltage regulation difficulties such as local voltage violations and fluctuations have become common. To solve the voltage regulation problems, the local voltage regulation method using volt‐var (VV) function is effective for its high regulation speed, high accuracy, and flexibility. However, there are still hurdles on real application, such as parameter setting difficulties, insufficient voltage fluctuation mitigation effect, and unfairness of reactive power generation between PV customers. To further improve the VV function, this paper proposes a PID closed‐loop based VV function and mode‐switching function of PV smart inverter (SI). To validate the proposed methods, numerical simulations were conducted using a 6‐feeder distribution system model based on the JST‐CREST 126 distribution feeder model. According to the simulation result, the proposed method can better mitigate the local voltage violation compared to basic VV function based on the VV curve, also improve the fairness between PV customers, while the total reactive power generation and tap operations increases for the aim of more adequate voltage regulation. © 2024 The Authors. IEEJ Transactions on Electrical and Electronic Engineering published by Institute of Electrical Engineer of Japan and Wiley Periodicals LLC.

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Section: Pid Closed-loop Based Vv Functionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Decentralized Voltage Regulation Scheme Using Improved Volt‐Var Function of PV Smart Inverter

Xie,

Kaneko,

Hayashi

2024

IEEJ Transactions Elec Engng

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“…14) But with a transparent rear, glass-transparent back sheet layout 15) or, glass-glass [15][16][17] reflected and diffuse light as well as direct light falling on the rear can add 20% or more to the energy output depending on the location, albedo and orientation of the module. [18][19][20] As additional costs are small, application of bifacial modules has the potential of a significant reduction of the levelised cost of electricity.…”

Section: Introductionmentioning

confidence: 99%

Bifacial aspects of industrial n-Pasha solar cells

Aken¹,

Tool²,

Kossen³

et al. 2017

Jpn. J. Appl. Phys.

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Bifacial photovoltaic (PV) modules make optimal use of diffuse and ground-reflected light. The gain in energy yield depends on both the local climatic conditions and the PV system layout. These determine the additional irradiance on the rear of the PV panels. The rear response of the (laminated) solar cell(s) determines how much additional energy this rear irradiance generates. Based on our experiments and simulations, the main parameters that determine the bifaciality factor of solar cells with a front side junction are the rear metal coverage, the base resistivity and the diffusion profile on the rear. These will be evaluated and discussed in this paper. Front-junction solar cells with low base resistivity have a lower short circuit current when illuminated from the rear due to enhanced recombination in the BSF. Stencil printed rear metallization yields a higher bifaciality factor compared to screen printed by reducing the metal coverage and consumption and maintaining the front side efficiency. For our optimized 239 cm 2 bifacial cell we estimate that the output with 20% contributed by the rear side is equivalent to that of a 24.4% efficient monofacial cell.

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