株式会社ガイアパワー

GAIA POWER Co,. Ltd

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Ushiyajima Power Plant
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Ushiyajima Power Plant

[Location]
 Naruto City, Tokushima
[Output]
 557kW
[Commercial operation day]
 March, 2015"

Ushiyajima Power Plant

“A power plant that can withstand heavy rain”,
The client told us.
The site was perfectly lit, with nothing to obstruct the sunlight.
However, it was a river terrace, which is sometimes flooded by the immediately adjacent river when heavy rain falls.
Since it was idle land, overgrown with vegetation, we did not notice at first glace that the site is a basin, lower than its surroundings.

Can we build a power plant here!? On this low-lying land right next to the river?
We were worried that the basin shape of the site would mean a high risk of water pooling inside.
As a countermeasure, we installed the panels on poles one meter longer than usual, and installed the power conditioners raised off the ground.

Heavy rain makes us worry, but every time we check the site during rainfall, the power plant is operating as normal and we breathe a sigh of relief.
In Japan we have a saying that “preparing means you don't have to worry”, but when it comes to water damage, it’s best to make sure that it never happens.

Project Leader: Taito Ikeuchi

What is a power conditioner?
A power conditioner is a power-converting device that converts direct current into alternating current.
Even during periods of unstable power generation due to sharp fluctuations in hours of sunlight or weather conditions, the power converter regulates in order to produce the maximum amount of electricity.
Additionally, when rises and falls of frequency, or overvoltage or failure of cooperative energy are detected, the power converter also suppresses rises in system voltage and works to protect the system with measures such as shutting down operation or disconnecting from the electric grid.
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