Tokyu 2020 series

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A Den-en-toshi Line 2020 series set in August 2021 Tokyu-Series2020-2146.jpg
A Den-en-toshi Line 2020 series set in August 2021

The Tokyu 2020 series (東急2020系, Tōkyū 2020-kei) is an electric multiple unit (EMU) commuter train type built by J-TREC and used by the Japanese private railway operator Tokyu Corporation in the Tokyo area since March 2018. [1] The 2020 series is used primarily on the Tokyu Den-en-toshi Line while its derivatives, the 3020 series (3020系, 3020-kei) and the 6020 series (6020系, 6020-kei), are used mainly on the Tokyu Meguro Line [2] and Tokyu Oimachi Line [3] respectively.

Contents

Design

The 2020 series trains were built by Japan Transport Engineering Company (J-TREC) as part of its "Sustina S24 Series" family of 20-metre long four-door stainless steel cars. [4] The styling of the trains was overseen by Tanseisha, a company involved in designing commercial buildings along the Tokyu route. [1]

The classification "2020 series" for the trains was chosen to mark the year 2020 in which the Tokyo Olympics are to be held and in which Tokyu celebrates its 100th anniversary. [1]

Variants

2020 series

Tokyu 2020 series
Tokyu2020tobu-wiki.jpg
The first set, 2121, in October 2018
In serviceMarch 2018–Present
Manufacturer J-TREC
DesignerTanseisha (overseer)
Built at Yokohama/Niitsu
Family nameSustina S24 series
Replaced 2000 series,8500 series,8590 series
Constructed2017–2022
Entered service28 March 2018
Number built300 vehicles (30 sets)
Number in service300 vehicles (30 sets)
Formation10 cars per trainset
Fleet numbers2121–2150
Operator(s) TokyuLogotype.svg Tokyu Corporation
Depot(s)Nagatsuta
Line(s) served
Specifications
Car body construction Stainless steel
Car length20.47 m (67 ft 2 in) (end cars)
20 m (65 ft 7+38 in)(intermediate cars)
Width2,788 mm (9 ft 1+34 in)
Height4.046 m (13 ft 3+14 in) (not including pantograph)
Floor height1,130 mm (3 ft 8+12 in)
Doors4 pairs per side
Maximum speed110 km/h (68.4 mph) (Design speed)
Traction system Variable frequency (SiC-MOSFET)
Acceleration 3.3 km/(h⋅s) (2.1 mph/s)
Deceleration 4 km/(h⋅s) (2.5 mph/s) (service)
4.5 km/(h⋅s) (2.8 mph/s) (emergency)
Electric system(s) 1,500 V DC Overhead catenary
Current collector(s) Pantograph
Bogies TS-1041 (motored), TS-1042 (trailer)
Track gauge 1,067 mm (3 ft 6 in)

Details of the 2020 series were officially announced on 17 March 2017. [1] Three ten-car sets (30 vehicles) are scheduled to be delivered during fiscal 2017, entering service in spring 2018, [5] with further sets introduced over the following years. [1] The first trainset, 2121, was delivered from the J-TREC factory in Yokohama in late November 2017, and shown off to the media on 30 November 2017. [6] The second trainset, 2122, was delivered from the J-TREC factory in Niitsu, Niigata, in February 2018. [7]

The first sets entered service on 28 March 2018. [8]

Interior

Passenger accommodation consists of high-back longitudinal seats. [1] In addition to passenger information screens placed above the doorways and car ends, LCD screens are also located above the seats. [1] Security cameras are installed in the cars. [1]

Formation

The trains are formed as follows, with five motored ("M") cars and five non-powered trailer ("T") cars, and car 1 at the Shibuya end. [5]

 
← Shibuya
Chūō-Rinkan →
 
Car No.12345678910
Designation 
KuHa 2120
(Tc2)
 
DeHa 2220
(M2)
< >
DeHa 2320
(M1)
 
SaHa 2420
(T3)
 
SaHa 2520
(T2)
<
DeHa 2620
(M3)
 
SaHa 2720
(T1)
 
DeHa 2820
(M2)
< >
DeHa 2920
(M1)
 
KuHa 2020
(Tc1)
Equipment VVVF
SIV
VVVF
CP
 VVVF VVVF
SIV
VVVF
CP
 
Weight (t)31.533.533.527.827.532.027.533.531.4
Capacity (total/seated)143/45155/48155/51143/45

Key

Build histories

The manufacturers and delivery dates for the fleet are as shown below.

Set No.ManufacturerDate deliveredNotes
2121F J-TREC, YokohamaNovember 2017 [6]
2122FJ-TREC, NiitsuFebruary 2018 [7]
2123FFebruary 2018 [9]
2124F6 June 2018
2125F27 June 2018
2126F30 October 2018Car 3 is a former 6020 series car.
2127F5 December 2018
2128F6 March 2019 [10]
2129F27 March 2019
2130F21 August 2019
2131FJ-TREC, Yokohama31 October 2019
2132FJ-TREC, Niitsu17 January 2020
2133F14 February 2020
2134F4 March 2020
2135F25 March 2020
2136F15 April 2020
2137F13 May 2020
2138FJ-TREC, Yokohama17 September 2020
2139FJ-TREC, Niitsu6 August 2020
2140F2 September 2020
2141F9 December 2020
2142F7 January 2021
2143F18 March 2021
2144F15 April 2021
2145F23 May 2021
2146F11 June 2021
2147F15 July 2021
2148F26 August 2021
2149F22 December 2021
2150FMay 2022Final set [11]

3020 series

Tokyu 3020 series
Tokyu-Series3020-3821.jpg
A 3020 series train in June 2021
Manufacturer J-TREC
DesignerTanseisha (overseer)
Family nameSustina S24 series
Replaced Tokyu 3000 series
Constructed2019
Entered service22 November 2019
Number built24 vehicles
Number in service24 vehicles (3 sets)
Formation8 cars per trainset
Fleet numbers3121–3123
Operator(s) TokyuLogotype.svg Tokyu Corporation
Line(s) served Tokyu MG line symbol.svg Tokyu Meguro Line
SH Tokyu Shin-Yokohama Line
N Tokyo Metro Namboku Line
SR Saitama Rapid Railway Line
I Toei Mita Line
Specifications
Car body construction Stainless steel
Doors4 pairs per side
Traction system Variable frequency
Electric system(s) 1,500 V DC overhead catenary
Current collector(s) Pantograph
Track gauge 1,067 mm (3 ft 6 in)

On 26 March 2019, Tokyu Corporation announced the introduction of new 3020 series trains on their Meguro Line. [2] The first set of eight cars was delivered in April 2019. [12] A second set of eight cars was transferred from J-TREC in Yokohama to Nagatsuta in May 2019. [13] Trial runs on the Den-en-toshi Line began in June 2019. [14]

The first 3020 series set entered revenue service on 22 November 2019.[ citation needed ]

Set 3123 was the first set to be lengthened to an eight-car formation, having re-entered service in April 2022. Another set 3121 was lengthened to an eight-car formation and re-entered service mid July 2022. [15] Finally on the 13 of August 2022, the remaining set 3122 was sent to Nagatsuta depot where it was lengthened to an eight-car formation.

Interior

Passenger accommodation consists of high-back seating. [2] The trains are also fitted with security cameras and air purifiers. [16]

Formation

The trains are operated as six-car sets. [2] They were built as eight-car sets, but two cars per train will be stored until 2022, when platform doors are extended to fit 8-car trains as part of Tokyu Corporation's strategy to cope with high demand on the Meguro Line and for the opening of the Sōtetsu Tōkyū Link Line. [17] All three trainsets are formed as follows: [18]

 
← Meguro
Hiyoshi →
 
Car No.123456
Designation 
KuHa 3120
(Tc2)
 
DeHa 3220
(M2B)
< >
DeHa 3320
(M1B)
 
DeHa 3620
(M2A)
< >
DeHa 3720
(M1A)
 
KuHa 3820
(Tc1)
EquipmentBTVVVF
SIV
VVVF
CP
VVVF
SIV
VVVF
CP
BT
Weight (t)31.533.333.333.333.331.9
Numbering3121
:
3123
3221
:
3223
3321
:
3323
3621
:
3623
3721
:
3723
3821
:
3823

Key

With the extension of platforms along the Meguro Line completed, Tokyu had begun the process of lengthening the entire fleet to eight car trainsets. As of August 2022, the entire 3020 series have been reformed from six cars and are distinguished with an “8-Cars” sticker located on the front window of the first and last cars. They are formed as follows:

 
← Meguro
Hiyoshi →
 
Car No.12345678
Designation 
KuHa 3120
(Tc2)
 
DeHa 3220
(M2B)
< >
DeHa 3320
(M1B)
 
SaHa 3420
(T2)
 
SaHa 3520
(T1)
 
DeHa 3620
(M2A)
< >
DeHa 3720
(M1A)
 
KuHa 3820
(Tc1)
EquipmentBTVVVF
SIV
VVVF
CP
TTVVVF
SIV
VVVF
CP
BT
Weight (t)31.533.333.333.333.333.333.331.9
Numbering3121
:
3123
3221
:
3223
3321
:
3323
3421
:
3423
3521
:
3523
3621
:
3623
3721
:
3723
3821
:
3823

Key

6020 series

Tokyu 6020 series
Tokyu 6020 series Oimachi Line 20181228.jpg
Set 6121 in service in December 2018
In serviceMarch 2018 – Present
Manufacturer J-TREC
DesignerTanseisha (overseer)
Built atYokohama
Family nameSustina S24 series
Replaced Tokyu 9000 series
Constructed2017–2018
Entered service28 March 2018
Number built16 vehicles
Number in service14 vehicles (2 sets)
Formation7 cars per trainset
Fleet numbers6121–6122
Operator(s) TokyuLogotype.svg Tokyu Corporation
Line(s) served
Specifications
Car body construction Stainless steel
Car length20 m (65 ft 7+38 in)
Doors4 pairs per side
Electric system(s) 1,500 V DC Overhead catenary
Current collector(s) Pantograph
Track gauge 1,067 mm (3 ft 6 in)

Details of the 6020 series were officially announced on 12 October 2017. [3] The first set was delivered from the J-TREC factory in Yokohama in December 2017, [19] followed by a second in January 2018.

The first sets entered service on 28 March 2018. [8]

In both sets, car 3 was replaced by a new-build "Q Seat" car built in October 2018. The outgoing cars were subsequently used in 2020 series sets 2126F and 2127F. The Q Seat cars are usually arranged in longitudinal mode, but on specific evening express trains from Ōimachi to Nagatsuta, they are arranged in transverse mode and can be used only with a reservation by paying a small surcharge. [20]

Interior

Passenger accommodation consists of high-back longitudinal seating throughout, [3] except car 3, which is a "Q Seat" car that features rotating pairs of seats that can be arranged in longitudinal mode or transverse mode. [20] Security cameras are installed in the cars. [3]

Build histories

The manufacturers and delivery dates for the fleet are as shown below.

Set No.ManufacturerDate delivered
6121 J-TREC, YokohamaDecember 2017 [19]
6122January 2018 [21]

Special liveries

On 10 April 2022, 3020 series set 3121 received a special livery to commemorate the 100th anniversary of Tokyu Corporation's founding. [22] [23] A 2020 series set is also due to receive the commemorative livery from 17 April. [23]

Related Research Articles

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References

This article incorporates material from the corresponding article in the Japanese Wikipedia.

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