E7 Series Shinkansen

The Shinkansen series E7 (Japanese新 干线E7系 电车, Shinkansen E7 -kei densha ) and the Shinkansen Series W7 (Japanese新 干线W7系 电车, Shinkansen W7 -kei densha ) are two identical Japanese high -speed trains on for use the Hokuriku Shinkansen of JR East and JR West to be procured.

History

The first part of the second phase of the Hokuriku Shinkansen between Nagano and Kurobe Unazukionsen scheduled to go into operation in 2014, the second part between Kurobe Unazukionsen and Kanazawa in 2015. Currently on the Nagano Shinkansen, which opened in 1998, first construction phase of the Hokuriku Shinkansen, the E2 series trains used, the oldest sets from the mid- 1990s come. In December 2011, JR East, therefore, announced that for the new line of new vehicles E7 series would be raised. In January 2012, the head of the Directorate of Kanazawa JR West announced that the new vehicles would be developed jointly by JR East. The goal is to get the trains a year before the start of the route from the factory to take in the winter season can test the trains in snow extensively target.

On 29 November 2013, the first pre-series was officially rolled out. They are before the trains arrive on the Hokuriku Shinkansen for use are tested on the Tōhoku Shinkansen.

Technology

Since the E7/W7 series is to be immediate successor of the E2 series, their job profiles are very similar. Compared with the series E2 are the vehicles of the series E7/W7 be more environmentally friendly with higher performance and provide better comfort to passengers. As a performance requirement calls JR East that trains can be operated even with strong gradients in the mountains at 200 km / hour in continuous operation. In the new section, the trains will be operated at a maximum speed of 260 km / h.

To reduce the tunnel pop the vessels will be comparable to the series E5 and E6 an elaborate aerodynamically designed nose. To minimize noise, the side of the vehicle to be covered with special noise absorbers and a new type of current collector can be used.

As before in the series, E5 and E6, the braking system of the E7/W7 series from the German manufacturer Knorr -Bremse is delivered. To meet the requirements of the mountainous route of the Hokuriku Shinkansen, the brakes provide power up to 600 kW and can withstand temperatures up to 700 ° C.

The E7/W7 series is purchased as a 12- car lineup, making it to four cars longer than the N- series of the E2 series, which it will replace. Thus, the number of seats of 630 in the series E2 rises to 934 in the new vehicles.

Car sequence

The E7 series is made up of a total of twelve cars, including two non-powered end car and driven means ten cars. In Car 11 is the Green class ( 1st class), in car 12, the Gran Class, which was first introduced in the series E5.

* The cars in the series W7 carry analog numbers on the series E7, however, are with a "W " listed instead of "E".

The carriage 3 and 7 are each equipped with a single-arm pantographs that automatically aligns itself in the direction of travel.