PO E 503-537
| PO E 503-537 SNCF 2D2 5500 |
|
|---|---|
 obtained SNCF 2D2 5525
|
|
| Numbering: | PO E 503-537 SNCF 2D2 5503-5537 |
| Number: | 35 |
| Manufacturer: | Fives-Lille , CEM |
| Year of construction (s): | 1933-1934 |
| Retirement: | 1980 |
| Axis formula : | 2'Do2 ' |
| Gauge : | 1435 mm ( standard gauge ) |
| Length over buffers: | 17,780 mm |
| Fixed wheelbase: | 6060 mm |
| Service mass: | 141 t |
| Top speed: | 140 km / h |
| Hourly output : | 3082 kW (4190 hp) |
| Driving wheel diameter: | 1750 mm |
| Impeller diameter front: | 970 mm |
| Power system : | 1500 V DC |
| Power transmission: | Catenary |
| Number of traction motors: | 4th |
| Drive: | Buchli drive on both sides |
The electric locomotives E 503 to E 537 of the Chemin de fer de Paris à Orléans (PO), later 2D2 5503-5537 of the SNCF , were 35 express locomotives that were used on the railway lines Paris - Vierzon and Paris - Bordeaux electrified with 1500 V direct current . The locomotives were given the nickname Nez de cochon , "pig's nose " , because of their small front end .
history
The PO was looking for a suitable express train locomotive for the electrified trunk line to Vierzon. Of the five prototypes ordered by PO in 1923, the E 502 performed best. In contrast to the E 501, the drive motors of the E 502 were also provided with compensation windings .
PO ordered 35 locomotives from the French rail industry, with Fives-Lille making the mechanical part and CEM , the French subsidiary of BBC , the electrical part. The first locomotive was delivered in May 1933, the last in June 1934.
technology
The locomotives showed only small changes compared to the E 502 test locomotives. They had four driving axles and a running bogie at both ends . This was equipped with a laterally movable pivot that was centered with springs - a design that was later called the Winterthur type .
The six-pole traction motors of the type GLM85 / 6-43 with compensation winding had an external ventilation , whereby each traction motor had its own drive motor fan . Each traction motor drove its assigned axle via two Buchli drives with a gear ratio of 61: 141 on both sides of the vehicle . The locomotives were equipped with a recuperation brake.
Eight windows were arranged in both side walls of the engine room. Initially, a ventilation grille was arranged under the window, later this was only retained for the four middle windows. In their original condition, the locomotives had sandboxes with sand downpipes on all driving axles for both directions of travel. The sandboxes between axes 1 and 2 and 3 and 4 were later removed from some locomotives. The center distance of the driving axles was 2020 mm.
commitment
The locomotives were assigned to the Paris-Sud-Ouest depot and were used in front of express trains to Vierzon and from 1938 also to Bordeaux. They have proven themselves through their smooth running at high speeds, their reliability and their large power reserve. Although the locomotives were only designed for 130 km / h, they sometimes reached up to 150 km / h. After the running bogies had been converted from plain bearings to roller bearings , the top speed was increased to 140 km / h. Only when the rails were damp and on steep inclines did the locomotives sometimes have adhesion problems and find it difficult to run the heavy trains with the newly introduced OCEM wagons .
Web links
- Les 2D2 5503 à 5537. Accessed May 2, 2016 .
Individual evidence
- ↑ a b c Les 2D2 5503 à 5537. In: Le Site des 2D2. Retrieved May 2, 2016 .
- ^ Announcement from the SLM: Innovations in the mechanical structure of electric express train locomotives . In: Schweizerische Bauzeitung . tape 89 , no. 13 , 1927, pp. 174-175 , doi : 10.5169 / seals-41673 .
- ↑ Bordeaux: 75 bougies pour le train électrique. In: Sud Ouest. December 10, 2013, accessed May 12, 2016 (French).