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S-592 electric rail car

The 592 series originally consisted of 70 trains, 45 of which were assigned to medium distance services in May 2007, and 23 were assigned to suburban train service. The diesel rail cars were built between 1981 and 1984 by Macos and Ateinsa (currently Alstom) and were assigned to the Valencia-Fuente de San Luis and Zaragoza depots.

With this series, at the beginning of the 80s Renfe began to replace its fleet of diesel rail cars, which up to then consisted of railbuses, with low seating capacity and low reliability, and the Ters, which were getting close to the end of their life cycle and had an excessive offer of 1st class seats.

This series was initially remodelled at the end of the 80s, given the need to put them into long-distance services, so 20 of the series received 1st-class seats in the trailer car and a small cafeteria in some of the power cars, an operation that took place at the Vallodolid TCR. Called a "Rapid rail car", these trains eventually linked Madrid to Valencia and Gandía, to León and Ferrol and to Algeciras. They also travelled between Bilbao and A Coruña and between Valencia and Irun/Bilbao.

In 1994, what was then the Regional Business Unit decided to put new engines in all the trains of the series, so it purchased new Man engines, the D 2866 LUE, which could provide up to 230 kW of effective power, although right from their installation the power was lowered to 210 kW to prevent damage to the Voith transmission.

On 31 January 1996, 23 trains of this series were moved to the suburban train service, with the series thus officially divided due to the specialisation of their services.

At the end of the 90s, the Suburban Business Unit decided to modernise these rail cars, with the work taking place at the Valladolid TCR. It was endeavoured with this modernisation to increase the reliability of this rolling stock by incorporating new diesel engines, type D 2866 LUE, which had greater power and various technical improvements. It was also endeavoured to offer a series of features to passengers that were similar to those of the 446 and 447 series trains.

The 592, medium distance diesel rail cars were considerably remodelled starting in 2002, thereby giving rise to the 592-2 series, consisting of 27 units. This remodelling, which involved the engines and the interior design, allowed an increase in interior comfort and features. The new engines, installed at the Valladolid Central Repair Shop (TCR), consisted of new Man engines with an improved cooling system, thereby increasing the maximum speed to 140 km/h.

The minimum autonomous composition consists of three cars (Power + Trailer + Power), and the maximum composition is three units, which can be controlled from a single driver's position.

Equipment

Body

Each car has three passenger lounges and two central vestibules for passenger access. The various units are coupled using Schafenberg couplers on the cab side, and they have electro-mechanical and pneumatic coupling. The couplings of each unit are mechanically connected by a semi-permanent Schafenberg coupler. The minimum composition has two cabs, one in each direction of travel, located in the power cars.

Passengers access through two doors located on each side and on each one of the three cars. They are electro-pneumatically operated, and in the event of anomalies, they can also be manually opened. They power cars also have two additional doors, one for accessing the driver's cab and another for accessing the wagons. Fairing has also been installed on the body of the rail cars of the 592.2 series.

Traction and auxiliary systems

Each power car incorporates two MAN engines, while the intermediate trailer car has a generator unit installed on the undercarriage, separate from the traction equipment, for powering the train's services.

Propulsion is provided by 4 diesel engines of 210 kW (285 HP) in the 592 series (Model D 3256 BTXUE) and of 250 kW in the 592.2 series and the 592 series for suburban train service (Model D 2866 LUE). Each of these engines, which are water-cooled, drives the interior axle of the closest bogie through a transmission and a reduction differential installed on the motor axle. These engines are four-stroke and turbo-charged and have six cylinders in line. The engines drive the four bogies.

Transmission of the movement from each engine is hydraulic, and it consists of a transmission shaft between the engine and the torque converter, a hydraulic coupling and a mechanical inverter of the train's direction of travel. There is a reducer gear inside the axle. Each diesel engine installed under the power cars drives an alternator. The energy produced is used to charge the battery and provide emergency lighting.

The intermediate car has an electric generator unit on the undercarriage, which drives an alternator. Its specifications are 380/220 V, 120 kVA, 50 Hz and 1500 rpm. It supplies energy for lighting, for powering the air conditioning equipment, for charging the batteries and for the emergency lighting. The batteries are type MD-19, nickel-cadmium, formed by 55 cells and with a rated capacity of 192 A/h.

Climate control is provided by equipment installed in the typical hunchbacks on the roofs of all the bodies. They are compact units with air diffusers towards the passenger compartments and towards the driver's cabs.

Bogies, brakes and suspension

Each car has two bogies located at the ends, and on the power cars both of them are motor bogies. The motor and trailer bogies are almost identical, with a transversal displacement pivot and no bolster beam. The primary suspension is by coil springs, and the secondary suspension is pneumatic and admits the deformation caused by bogie rotation.

The brake system is pneumatic, and the compressed air is supplied by four compressors, each one driven mechanically by each diesel traction engine. The brake equipment has two main pipes, the air supply pie and the pneumatic brake pipe. All axles have two disk brakes, and there is a brake cylinder for operating these disks. The braking force is automatically regulated according to the train's load.

Air is generated by four compressors driven by the traction motors. The air is stored in compressed air tanks, which then feeds the pneumatic brake, the emergency brake, driver control and auxiliary services (sanders, door operation, flange lubrication, etc.).

Technical Specifications - 592 Medium Distance

  • Minimum composition: M – R – M.
  • Multiple composition: Up to 3 units.
  • Track gauge: 1668 mm.
  • Doors per side and car: 2.
  • Maximum speed (km/h): 120.
  • Seating capacity per train unit: 228.
  • Seats per power car: 72.
  • Seats per trailer car: 84.
  • Diesel traction engines: 4, four-stroke.
  • Type of engine: Man BTXUE 3256.
  • Total traction power: 840 kW.
  • Rated power per engine: 210 kW.
  • Wattage rating: 169 kW.
  • Number of cylinders: 6 in line, horizontal.
  • Type of transmission: Hydraulic.
  • Power for auxiliaries: 140 kVA.
  • Power supply for auxiliaries: By electric generator unit.
  • Modes of the unit: Diesel with alternator.
  • New wheel diameter: 910 mm.
  • Brake: Pneumatic.
  • Parking brake: Yes.
  • Coupling device: Schafenberg.
  • Coupling type: Electro-mechanical and pneumatic.
  • Multiple control: Three trains.
  • Builder: Macosa and Ateinsa (currently Alstom).

Technical Specifications - 592 Commuter Trains

  • Minimum composition: M – R – M / M – M.
  • Multiple composition: Up to 3 units.
  • Track gauge: 1668 mm.
  • Doors per side and car: 2.
  • Maximum speed (km/h): 120.
  • Seating capacity per train unit: 200.
  • Seats per power car: 62.
  • Seats per trailer car: 76.
  • Diesel traction engines: 4, four-stroke.
  • Type of engine: Man D2866 LUE 601.
  • Total traction power: 1000 kW.
  • Rated power per engine: 250 kW.
  • Wattage rating: 210 kW.
  • Number of cylinders: 6 in line, horizontal.
  • Type of transmission: Hydraulic.
  • Power for auxiliaries: 140 kVA.
  • Power supply for auxiliaries: By electric generator unit.
  • Modes of the unit: Diesel with alternator.
  • New wheel diameter: 910 mm.
  • Brake: Pneumatic.
  • Parking brake: Yes.
  • Coupling device: Schafenberg.
  • Coupling type: Electro-mechanical and pneumatic.
  • Multiple control: Three trains.
  • Builder: Valladolid TCR.

Technical Specifications - 592.2 Medium Distance

  • Minimum composition: M – R – M.
  • Multiple composition: Up to 3 units.
  • Track gauge: 1668 mm.
  • Doors per side and car: 2.
  • Maximum speed (km/h): 140.
  • Seating capacity per train unit: 200.
  • Seats per power car: 62.
  • Seats per trailer car: 76.
  • Diesel traction engines: 4, four-stroke.
  • Type of engine: Man BTXUE 3256.
  • Total traction power: 1000 kW.
  • Rated power per engine: 250 kW.
  • Wattage rating: 230 kW.
  • Number of cylinders: 6 in line, horizontal.
  • Type of transmission: Hydraulic.
  • Power for auxiliaries: 140 kVA.
  • Power supply for auxiliaries: By electric generator unit.
  • Modes of the unit: Diesel with alternator.
  • New wheel diameter: 910 mm.
  • Brake: Electro-pneumatic.
  • Parking brake: Yes.
  • Coupling device: Schafenberg.
  • Coupling type: Electro-mechanical and pneumatic.
  • Multiple control: Three trains.
  • Builder: Valladolid TCR.

Weights and Dimensions - 592 Medium Distance

  • Train length: 70,214 mm.
  • Power car length: 23,080 mm.
  • Trailer car length: 22,620 mm.
  • Width of the body: 2860 mm.
  • Height: 3965 mm.
  • Height of the floor above the track: 1207 mm.
  • Train weight: 131 tonnes.
  • Unladen power car weight: 46.5 tonnes.
  • Unladen trailer car weight: 39.4 tonnes.
  • Mass of train at maximum load: 153 tonnes.
  • Maximum mass per axle: 12 tonnes.

Weights and Dimensions - 592 Communter Trains

  • Train length: 70,214 mm.
  • Power car length: 23,080 mm.
  • Trailer car length: 22,620 mm.
  • Width of the body: 2860 mm.
  • Height: 3965 mm.
  • Height of the floor above the track: 1207 mm.
  • Train weight: 131 tonnes.
  • Unladen power car weight: 46.5 tonnes.
  • Unladen trailer car weight: 39.4 tonnes.
  • Mass of train at maximum load: 153 tonnes.
  • Maximum mass per axle: 12 tonnes.

Weights and Dimensions - 592.2 Medium Distance

  • Train length: 70,214 mm.
  • Power car length: 23,080 mm.
  • Trailer car length: 22,620 mm.
  • Width of the body: 2860 mm.
  • Height: 3965 mm.
  • Height of the floor above the track: 1207 mm.
  • Train weight: 131 tonnes.
  • Unladen power car weight: 46.5 tonnes.
  • Unladen trailer car weight: 39.4 tonnes.
  • Mass of train at maximum load: 153 tonnes.
  • Maximum mass per axle: 11 tonnes.

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