Siemens E44 - passenger electric locomotive manufactured in Germany by Siemens-Schuckertwerke AG in 1932 - 1955 (intermittently).
| E44 | |
|---|---|
 | |
| Production | |
| Country of construction | Germany |
| Factory | Siemens-Schuckertwerke AG |
| Years of construction | 1932 - 1945 ; 1950 - 1951 ; 1955 |
| Total built | 187 |
| Technical details | |
| Type of current and voltage in the contact network | variable , 15 kV, 16⅔ Hz |
| Axial formula | 2 0 -2 0 |
| Full Service Weight | 76.4 t |
| Track width | 1435 mm |
| Hour power of TED | 2200 kW |
| Continuous power TED | 1860 kW |
| Construction speed | 95 km / h |
| Exploitation | |
| Country | Germany , USSR |
| Period | 1932 - 1991 , |
In Germany, he worked on a single-phase alternating current of reduced frequency 15 kV, 16, Hz.
History
After the end of World War II, several E44 electric locomotives for reparations arrived from Germany to the Soviet Union .
Electric locomotives were redone from European gauge to Russian gauge .
It was impossible to operate the electric locomotive with alternating current at an industrial frequency (50 Hertz), since its collector motors were powered directly from the secondary winding of the transformer without a rectifier , and when it was supplied with an alternating current of 50 Hz, the commutation worsened significantly (switching was acceptable when supplied with an alternating current of 16⅔ Hertz )
Since in the USSR alternating current of reduced frequency was never used, it was planned to build a special power station and an electrified railway line . Then they abandoned this plan and, at the suggestion of engineer Rakov , it was decided to remake the E44 into a DC electric locomotive with a voltage of 1500 V.
The fact is that the traction electric motors of the E44 electric locomotive were designed for a low voltage of 375 V, the only possible inexpensive way to remake the electric locomotive for operation in the USSR was to turn on all four engines in series with rheostat start. Engine rearrangement was not possible.
- In the USSR, in the pre-war years, along with electrification of 3 kV, some sections were electrified with a direct current of 1.5 kV, for example, Moscow - Alexandrov , Mineralnye Vody - Kislovodsk .
In 1949, one electric locomotive (also known as “Electric locomotive number 47”) was redone and operated on the railways of the USSR, and the remaining cars were transferred to the German Democratic Republic at Deutsche Reichsbahn .
- Operation of a direct current electric locomotive with only serial connection (without serial-parallel and parallel connection) of traction motors is uneconomical, there are large losses on heating rheostats, since there is only one non-reactive position.
By the end of the 1950s all sections electrified with a voltage of 1.5 kV were transferred to 3 kV, in 1958 the captured electric locomotive was left without work and was excluded from the inventory park of the Ministry of Railways of the USSR .
Technical Data
- Weight: 76.4 t
- Axle load 19.1 t
Links
- Electric locomotive of the E44 series
- V.A. Rakov . Locomotives of domestic railways, 1956-1975 . - Moscow: Transport , 1999 .-- 444 p. - ISBN 5-277-02012-8 . Archived on May 24, 2014. Archived May 24, 2014 on Wayback Machine