TGV Duplex

SNCF TGV Duplex
SNCF TGV Duplex
	TGV Duplex going back to Paris from Modane and passing in Saint-Jean-de-la-Porte, Savoie, France.
	First class on a TGV Duplex
In service	1995–present
Manufacturer	Alstom
Family name	TGV
Constructed	1995–2012
Number built	160 trainsets total:; 89 Duplex; 19 Réseau Duplex; 52 Dasye;
Formation	2 power cars + 8 passenger cars
Fleet numbers	201–289 (Duplex); 601–619 (Réseau Duplex); 701–752 (Dasye);
Capacity	510 seats (182 first class, 328 second class); 644 seats (all second class);
Operators	SNCF
Specifications
Train length	200 m (656 ft 2 in)
Width	2,896 mm (9 ft 6.0 in)
Height	4,303 mm (14 ft 1.4 in)
Doors	1 per side, per car
Maximum speed	320 km/h (199 mph)
Weight	380 t (374 long tons; 419 short tons)
Traction system	Duplex: Alstom GTO–VVVF; Dasye: Alstom IGBT–VVVF;
Traction motors	Duplex: 8× Alstom SM 47 1,100 kW (1,475 hp) 3-phase AC synchronous motor; Dasye: 8× Alstom 6 FHA 1,160 kW (1,556 hp) 3-phase AC asynchronous motor;
Power output	3,680 kW (4,935 hp) (DC); 8,800 kW (11,801 hp) (Duplex, AC); 9,280 kW (12,445 hp) (Dasye, AC);
Electric system(s)	Overhead line:; 25 kV 50 Hz AC; 1,500 V DC;
Current collector(s)	Pantograph
UIC classification	Bo′Bo′+2′2′2′2′2′2′2′2′2′+Bo′Bo′
Braking system(s)	Regenerative, pneumatic
Safety system(s)	Duplex: TVM-430, KVB; Dasye: ERTMS, TVM-430, KVB;
Multiple working	Up to two units (3 on maintenance)
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge

The TGV Duplex is a French high-speed train of the TGV family, manufactured by Alstom, and operated by the French national railway company SNCF. They were the first TGV trainsets to use bi-level passenger carriages with a seating capacity of 508 passengers, increasing capacity on busy high-speed lines. While the TGV Duplex started as a small component of the TGV fleet, it has become one of the system's workhorses.

A total of 160 Duplex trainsets were built: the original order of 89 first constructed in 1995, an addtional 19 Réseau Duplex trainsets created as an extension of the TGV POS project in 2006, and 52 second-generation Dasye trainsets were first delivered in 2007 with revised traction motors and safety systems.

The Duplex design was further refined into the third generation Euroduplex.

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