Osaka Municipal Subway 10 series

Japanese electric multiple unit train type

Midōsuji Line
Kitakyu Namboku Line

SpecificationsDoors4 per sideTraction motorsChopper control
VVVF (1117–1126)

The Osaka Municipal Subway/Osaka Metro 10 series (大阪市交通局・大阪メトロ10系) was a rapid transit electric multiple unit (EMU) train type operated by Osaka Municipal Subway in Japan between 1976 and 2022.

Design

Originally introduced to the Midosuji Line as 8-car sets, trains were lengthened to 9 cars by 1987,^[1] and eventually 10 cars by 1995.^[2]^[1]

Refurbishment

Refurbishment of the 10 series trainsets began in 1998. Ten trainsets were upgraded to use Variable-frequency drive (VVVF) technology, increasing efficiency.^[2]

Interior

The 10 series were among the first trains powered by a third rail to be equipped with an air conditioning system.^[3]

Inside a 10 series car

History

The 10 series were the main rolling stock on the Midōsuji Line since 1976.^[4]

By 1989, the fleet had reached 234 cars, including the prototype cars that initially operated on the Tanimachi Line.^[1]

Retirement of the 10 series began with the introduction of 30000 series trainsets on the Midōsuji Line in 2011.^[2] The last trainset retaining its original chopper motors (1113) was retired on 9 July 2020.^[5] As of June 2022, one trainset remained in operation.^[2] The remaining trainset (1126)^[6] was withdrawn from service in July 2022.^[7]

References

大阪地下鉄に初の冷房車 10系量産車登場 [Osaka Municipal Subway's first air-conditioned rolling stock: 10 series mass-production rolling stock]. Japan Railfan Magazine (in Japanese). Vol. 19, no. 219. Japan: Koyusha Co., Ltd. July 1979. pp. 55–63.

^ ^a ^b ^c Sato, Masaki (17 June 2022). "大阪メトロ御堂筋線の10A系が7月に引退…10系の流れを汲むVVVF改造車残るは10両1本" [Osaka Metro Midosuji Line 10A series will retire in July... VVVF remodeled car that follows the flow of 10 series, 10 cars remaining]. Response.jp (in Japanese). Archived from the original on 11 July 2022. Retrieved 15 August 2022.
^ ^a ^b ^c ^d "10系引退記念1日乗車券セットの発売と引退記念ヘッドマーク付き列車を運行します｜Osaka Metro" [10 series retirement commemorative one-day ticket set will be released and a train with a retirement commemorative head mark will be operated]. Osaka Metro.jp (in Japanese). 16 June 2022. Archived from the original on 12 July 2022. Retrieved 15 August 2022.
^ Tsuchiya, Takeyuki (7 July 2022). "昔の地下鉄は暑かった？車両「冷房化」の意外な歴史" [Was it hot in the old subway? Surprising history of vehicle "cooling"]. Mainichi Shimbun (in Japanese). Archived from the original on 6 July 2022. Retrieved 15 August 2022.
^ "ありがとう10系！御堂筋線で活躍した10系車両が引退しました" [Thank you series 10! Series 10 trains that were active on the Midosuji Line have been retired.]. Osaka Metro (in Japanese). 5 July 2022. Archived from the original on 5 July 2022. Retrieved 15 August 2022.
^ "御堂筋線10系1113編成が緑木検車場へ" [Midosuji Line 10 series set 1113 to Midoriki Yard]. Japan Railfan Magazine Online (in Japanese). 12 July 2020. Archived from the original on 16 March 2022. Retrieved 16 August 2022.
^ Inoue, Takumi (5 July 2022). "市営交通の冷房化の嚆矢、引退。さらば、大阪メトロ10系 - 鉄道コム" [Pioneer of air-conditioning for municipal transportation, retired. Farewell, Osaka Metro Series 10]. Tetsudo.com (in Japanese). Archived from the original on 5 July 2022. Retrieved 15 August 2022.
^ 「大阪メトロ」10系、7月引退へ - ヘッドマーク掲出、1日乗車券も ["Osaka Metro" 10 series to retire in July]. Mynavi News (in Japanese). Japan: Mynavi Corporation. 16 June 2022. Retrieved 17 June 2022.