Each of these substations functions as a control center for adjusting the different voltages and electrical flow to ensure stable transmission. Electricity is supplied at 50Hz in the eastern part of Japan and at 60Hz in the west. Frequency conversion is therefore necessary when interchanging electric power between areas.
92.6% of transmission lines in Tokyo''s 23 wards are underground lines. Do you know that electricity produced at the power plant is delivered to customers via substations? If you do, you may have observed that electricity is being passed through transmission lines to distribution lines, and finally to your home to everyday consumption.
Facilities capable of performing this conversion are deployed in three locations in Japan, the Shin-Shinano Substation, Sakuma Frequency Converter Station, and Higashi-Shimizu Substation. Shin-Shinano has 600,000 kW frequency conversion equipment while the other two stations have conversion capacities of 300,000 kW each.
Tokyo, known as a world-leading commercial city and famous for its densely packed housing, also requires substations to provide electricity stably. Due to the limited amount of land in urban areas, we have installed underground substations in more than 200 locations. Learn more here.
Our standardized solar power and energy storage products are engineered for reliability, safety, and efficient deployment. All systems include comprehensive monitoring and control systems with remote management capabilities.
In the same area, TEPCO Power Grid installed 5G base stations and digital signage in the upper spaces of the power distribution system and NTT EAST provided optical lines for all smart …
Power Interchange between East and West Japan Electricity is supplied at 50Hz in the eastern part of Japan and at 60Hz in the west. Frequency conversion is therefore necessary when …
Transformation Overview In order to provide low transmission loss of high-voltage electricity, TEPCO Power Grid transmits electricity from our power stations at 500,000 V and 275,000 V, …
Japan’s 50Hz/60Hz divide. Unlike other well-off countries in which the frequency at which their power grids operate were standardized over time, in Japan, it still is – and for the …
The ''power system map'' that summarizes the power grids spread all over Japan is a masterpiece This article, originally posted in Japanese on 08:00 Apr 18, 2022, may contains …
TOKYO, Apr 19 (News On Japan) - Concerns are mounting over the discovery of illegal radio signals believed to originate from "fake base stations" mimicking cell towers in Tokyo and …
In the same area, TEPCO Power Grid installed 5G base stations and digital signage in the upper spaces of the power distribution system and NTT …
The J-POWER Group connects Japan, and supports the operation of wide-area electric power systems through its DC transmission lines, submarine cables and frequency converter stations.
TOKYO, Apr 19 (News On Japan) - Concerns are mounting over the discovery of illegal radio signals believed to originate from "fake base …
Transmission lines designed for one million volts have been installed in order to transmit large amounts of electricity from distant power stations in an efficient manner. Transmission towers …
Latest developments in solar power technology, energy storage advancements, photovoltaic products, and industry insights from our team of renewable energy experts.
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