How are Japanese bullet trains powered?

Electrical systems Shinkansen uses a 25 kV AC overhead power supply (20 kV AC on Mini-shinkansen lines), to overcome the limitations of the 1,500 V direct current used on the existing electrified narrow-gauge system. Power is distributed along the train's axles to reduce the heavy axle loads under single power cars.



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Most high-speed trains today get their electricity from overhead wires or catenaries using a pantograph. That's because, given current designs and technologies, batteries can't be sized to supply the necessary power and still fit on the train. Diesel engines turning generators don't meet new environmental mandates.

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WiFi access is now available on most trains on every Shinkansen line. Additionally, all major stations and many smaller stations also have free WiFi available to passengers. All trains on the following lines have free WiFi available: Tokaido shinkansen.

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Depending on the operating company, the networks are known as Shinkansen Free Wi-Fi, JR-EAST FREE Wi-Fi and JR-WEST FREE Wi-Fi. All shinkansen are equipped with multiple toilets, which are sometimes separated by gender. The toilets are Western-style except on some older train sets.

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In addition, the tracks, signals, rail cars and software made in the U.S. are costlier than imports, largely because the government has not funded rail the way European and Asian countries have, experts say.

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The Superconducting Maglev is equipped with a braking system capable of safely stopping a train traveling at 311mph. Regenerative braking is normally used for deceleration, but if it becomes unavailable, the Superconducting maglev also has wheel disc brakes and aerodynamic brakes.

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Instead, what makes the Shinkansen (and any Ltd. Express train) more expensive then regular trains is a hefty standard surcharge: the supplementary special-express ticket, which covers the premium experience of traveling on the nice fast trains. And yes, you have to pay it even if you have to stand.

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Most bullet trains are 16 cars long, carrying about 1,300 people.

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Older models of Japan's pioneering bullet train, the shinkansen (“new main line”), had an energy intensity of around 0.35 MJ/pkm; more recent fast-train designs—the French TGV and German ICE—typically need just 0.2 MJ/pkm. That's an order of magnitude less than airplanes.

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A halted train isn't immune to derailments, however. To guard against derailments, JR East has installed L-shaped metal parts on its train cars as a countermeasure. The parts are designed to hook the cars on the rails, thus preventing them from colliding with side walls.

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Maglev, which is derived from the term 'magnetic levitation', is a transport method that employs magnetic levitation to move the vehicle without touching the ground. With maglev technology, a vehicle travels along a 'guideway' using magnets to create both lift and propulsion.

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But to take the wider spirit of the question, there are a few reasons why high-speed train lines aren't used here: Short distances. About 80% of the population lives in a very small area between Manchester, Leeds, Bristol and London. Spending a lot of money to go not very far more quickly is questionable.

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But to take the wider spirit of the question, there are a few reasons why high-speed train lines aren't used here: Short distances. About 80% of the population lives in a very small area between Manchester, Leeds, Bristol and London. Spending a lot of money to go not very far more quickly is questionable.

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Having a few drinks is perfectly acceptable; the emphasis on Shinkansen trains is quiet stress-free travel (even loud mobile phone conversations aren't allowed). BUT, do not become intoxicated (i.e. drunk) on board (or any other public space in Japan) to the point of being loud/obnoxious/rude/physically violent etc.

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All Shinkansen trains are covered by the JR Pass. The Nozomi and Mizuho high-speed trains (Tokaido and Sanyo lines) are also included, subject to purchase of a special complementary ticket. JR Pass holders wishing to travel free on these lines can board local and semi-fast trains.

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The Tokaido Shinkansen has more than 340 services on average each day, with trains running every three minutes during peak hours. The Tohoku, Joetsu, Hokuriku, and Hokkaido Shinkansen networks also have a total of more than 320 services each day.

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