Toko Electric is engaged in a wide range of businesses, focusing on internal and external line construction.
In the Achievements page, we introduce some of the projects we have undertaken.
Outdoor wiring WORKS
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Outdoor wiring
Kanto
2015
Boso line
The Boso Line, which runs between the Shin Keiyo Substation and the Boso Substation, is an important line in the Keiyo section. While there have been few cases of large tower reconstruction in Japan, the project was successfully completed after the relocation and temporary construction of four conductors.
Case Studies
■Voltage
500kV■Power lines
ACSR/AC810m㎡ -
Outdoor wiring
Kanto
2014
Nishijobu trunk line
From 2006 to 2014, we constructed the Shibukawa-Minogo 1 section, Minogo-Nishige 2 section, Nishi-Gunma Shibukawa 3 section, and Nishige Nagatoro 1 section of this 110.4km-long 500kV transmission line connecting the Nishi-Gunma Switchyard (Nakanojo-machi, Agatsuma-gun, Gunma Prefecture) and the Shin-Tokorozawa Substation (Tsurugashima-shi, Saitama Prefecture).
Case Studies
■Voltage
500kV■Section
Nakanojo-machi, Agatsuma-gun, Gunma Prefecture – Tsurugashima-shi, Saitama Prefecture
110.4km long -
Outdoor wiring
Chubu
2004
2nd Hamaoka trunk line
It was constructed as a power transmission line due to the construction of Unit 5 at the Hamaoka Nuclear Power Station of Chubu Electric Power Co.
Chubu Electric Power Co. It uses three conductors unique to Chubu Electric Power.Case Studies
■Voltage
500kV■Electric wire
LN-TACSR/AC 1160mm2(3 conductors) x 2cct
LN-OPGW260mm2×2
LN-AC260mm2×1■Section
Hamaoka-cho to Ogasa-cho, Ogasa-gun, Shizuoka Prefecture
7.1 km long, 14 towers -
Outdoor wiring
Chubu
2010
Joetsu thermal power line
It was constructed as a power transmission line due to the construction of the Joetsu Thermal Power Station of Chubu Electric Power Co.
Case Studies
■Voltage
275kV■Electric wire
TACSR/AC 410mm2(4 conductors)×2cct■Section
Nagasawa, Myoko City, Niigata Prefecture – Iiyama City, Nagano Prefecture – Nagae, Nakano City, Nagano Prefecture 14.4 km long, 28 towers -
Outdoor wiring
Chubu
2010
Higashi-Nagoya branch line
We carried out electric line replacement work to ensure a stable supply of electricity and to update facilities in the Nagoya area.
Case Studies
■Voltage
275kV■Electric wire
ACSR410mm2 (double conductor)■Section
1.8 km section of electric line replacement