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Newag 19WE

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19WE[1][2][3]
19WE unit
Stock typeelectric multiple unit
ManufacturerNewag
AssemblyNowy Sącz,  Poland
Constructed2008–2010
Capacity702 (5 people per m²)
Specifications
Train length85,273 millimetres (279.767 ft)
Width2,890 millimetres (9.48 ft)
Height4,205 millimetres (13.796 ft)
Platform height1,157 millimetres (3.796 ft)
Wheel diameter920 millimetres (3.02 ft) (new)
870 millimetres (2.85 ft) (worn)
Maximum speed130 kilometres per hour (81 mph)
Weight190 tonnes (420,000 lb)
Engine typeasynchronous 3-phase EMIT SXT315-L4C
Power output3 kV DC
Acceleration1.2 m/s²
AAR wheel arrangements+d+d+s
Braking system(s)Knorr-Bremse + ED

Newag 19WE is a standard-gauge, four-car electric multiple unit (EMU) produced between 2008 and 2010 at the Newag plant in Nowy Sącz. A total of 4 units were built, which are operated by Szybka Kolej Miejska in Warsaw.

The prototype 19WE, after adding two middle cars, received the designation 20WE.[3]

History

[edit]

Origins

[edit]

After World War II, electric multiple units (EMUs) in Poland were produced exclusively by Pafawag in Wrocław until 1997.[4] This company manufactured the most popular Polish EMU series, the EN57.[5] Following the privatization of Pafawag in the 1990s, production of such vehicles ceased, with the last unit being the ED73 in 1997.[5] For several years afterward, no EMUs were produced in Poland.

During this period, Polish State Railways (PKP) and later regional governments primarily purchased diesel railcars and diesel multiple units (DMUs) to operate on non-electrified lines, which were predominantly served by fuel-intensive locomotives. This allowed Polish manufacturers and operators to gain experience in producing and operating lightweight rolling stock.[6] Additionally, existing EN57 units were modernized.[7]

In 2004, Newag, in collaboration with Energocontrol Kraków, designed the first EMU of their own construction, the 14WE, which began production the following year using parts from scrapped EN57 units.[8] In 2007, Newag began designing a completely new unit, the 19WE,[2] in collaboration with the same company, then known as EC Engineering [pl].[9]

Production

[edit]

Newag began building the prototype, funded by the manufacturer, in 2007.[10] The unit was first presented on 10 September 2008 during the XVIII Economic Forum in Krynica-Zdrój,[11] and its global premiere (in a shortened three-car version) occurred on September 23 at the InnoTrans trade fair in Berlin.[12]

In the spring of 2009, the prototype was extended to a six-car version, designated as 20WE. In mid-May of that year, this unit was tested at the Railway Institute's experimental track in Węglewo near Żmigród and received an operating permit from the Office of Rail Transport [pl].[13]

On June 15, Szybka Kolej Miejska in Warsaw ordered 4 units of the 19WE type.[14] For the production of the first two units, parts from the prototype 20WE were used.[15]

End of production

[edit]

Subsequent tenders for Szybka Kolej Miejska in Warsaw required low-floor units, disqualifying the 19WE/20WE.[16][17] The first of these tenders, for 13 EMUs, was won by Pesa, which proposed the Elf model.[18] The next tender, for 6 EMUs, was again won by Newag, but due to the low-floor requirement, Newag proposed a new type, the 35WE, later named Impuls.[17] The 19WE served as the basis for the new design, with both trains sharing some common features.[19]

Outside the Warsaw rail network, high platforms also exist in the Tricity area (on lines operated by Szybka Kolej Miejska in Tricity).[12] However, instead of purchasing new units, the decision was made to modernize the existing ones.[20]

Additional tests

[edit]

In November 2010, Koleje Dolnośląskie announced a tender for the delivery of 5 EMUs.[21] The tender specifications required proof of delivery of 5 EMUs with an operating permit for a speed of 160 km/h. Newag, not meeting this requirement, appealed to the National Appeal Chamber [pl], resulting in a reduction of the experience requirement to 3 EMUs, but the speed requirement remained unchanged.[22] To meet this requirement, Newag conducted additional tests on one of the 19WE units after adding a second driver's seat. As a result, the unit received an operating permit for 160 km/h, a speed for which it was originally designed, although not required by Szybka Kolej Miejska in Warsaw.[23] Ultimately, on 17 October 2011, Koleje Dolnośląskie signed a contract with Newag for the delivery of 5 EMUs of type 31WE.[24]

Construction

[edit]
Prototype unit 20WE at the Test Track Centre near Żmigród

The 19WE/20WE are four-/six-car high-floor units designed for suburban passenger transport. The end cars (type 314B)[2] have two pairs of sliding-plug doors (1,300 mm clearance,[12] produced by Ultimate)[2] per side, while the middle cars (type 414B)[2] have three pairs of the same type of doors.[15] The entrances are suitable for platform heights ranging from 760 to 1,060 mm, with steps deploying for lower platforms to facilitate boarding.[15] Additionally, front vestibules are equipped with staff steps for crew boarding from the track level and passenger evacuation.[15]

Due to the way the cars are connected (semi-permanent clutches by Voith joined with a drawbar clutch), it is not possible to shorten or lengthen the vehicle during operational conditions. However, it is possible to couple two vehicles of the same type for multiple-unit operation (digital control by Medcom [pl]) using a retractable automatic coupler (Scharfenberg system by Voith).[1][2][12]

Safety

[edit]

The car bodies meet the strength requirements of the PN-EN 12663:2002 standard (category P-II for multiple units).[2] The driver’s cab is equipped with a roll cage,[25] and energy absorbers are located under the cab.[26] The vehicle was designed to comply with the crashworthiness standard EN 15227:2008.[26]

The trains are equipped with standard train protection systems: active vigilance control, automatic train braking, and Radio-Stop [pl].[1] They use a radio system by Pyrylandia and a digital recorder ATM-RP3G by ATM Awionika.[1] The driver’s cab includes two additional seats for assistant drivers.[1]

Interior

[edit]

The seating arrangement (produced by Kiel)[1] is mixed – most seats are along the windows, while only in the end cars are they in a group arrangement. The aisle width in the passenger area is 800 mm. One of the end cars includes two positions for securing wheelchairs and a lift to assist wheelchair users in boarding.[1][12] The trains are equipped with air conditioning (produced by Thermoking), forced-air heating, passenger information systems, four bicycle racks, a passenger counting system, ticket machines, video monitoring, and advertising monitors.[1][2][27] The 19WE units do not have toilets[27] (these are planned for long-distance versions).[28]

At the end of 2015, one unit was equipped with USB chargers.[29]

Drive parameters

[edit]
Type 8 × ANT300-3000
Continuous power 2,195 kW
Hourly power 2,400 kW
Maximum power consumption 3,500 kW
Maximum torque

(referred to motor shaft)

2,400 Nm
Starting acceleration

(up to 6 km/h)

1.2 m/s²
sources:[1][2]

Gearbox parameters

[edit]
Type SZH 495
Ratio 1:5.1757
Maximum input rotational speed 5,100/min
Maximum starting motor torque 2,500 Nm
source:[1]

Power and drive system

[edit]

The power system was developed in cooperation with Medcom, which designed the main electrical network and supplied the traction inverters (FT-300-3000[30] with IGBT technology),[2] static converters (PSM-60), high and low voltage distribution boards, and control panels.[31] The vehicles use current collectors type DSA 200-PKP (produced by Stemmann).[2]

The 19WE is equipped with 8 asynchronous motors (type SXT315-L4C, produced by EMIT [pl]).[1] Each car rests on two two-axle bogies. For the end cars, these are powered bogies type 70RSNa,[15] and for the middle cars, they are trailer bogies type 70RSTa. The powered bogies feature a two-stage SZH 495 gearbox (produced by Voith).[1] The bogies have two suspension stages. The first stage consists of hydraulic dampers and coil springs, while the second stage includes hydraulic dampers and pneumatic cushions.[3]

Braking system

[edit]

The main brake used during service braking is the electrodynamic brake, with the electropneumatic brake used at lower speeds and during stops.[1] The average energy recovered (fed back into the grid during braking) is 3.1 kWh/km (with an average energy consumption of 10.2 kWh/km).[2]

The first two vehicles, due to the use of cars from the prototype 20WE-01, additionally have track brakes in the middle cars.[2]

20WE

[edit]

The six-car version 20WE had a length of 119.82 m. The train had 282 seats and approximately 750 standing places (4 people/m²).[12] The added cars did not have their own drive.[3]

Operation

[edit]
Country Operator Quantity Designation UIC designation Operational number
Poland Szybka Kolej Miejska (Warsaw) 4 19WE-01 94 51 2 150 001 ÷ 004 301
19WE-02 94 51 2 150 005 ÷ 008 302
19WE-03 94 51 2 150 009 ÷ 012 303
19WE-04 94 51 2 150 013 ÷ 016 304
Interior

On 15 June 2009, the consortium of Newag and ING Group was selected in a tender for the 15-year leasing of 4 electric multiple units for the Szybka Kolej Miejska in Warsaw.[14]

The first unit was delivered on 5 April 2010[15] and began operating on the S2 line on April 9.[25] The second 19WE was delivered on April 26[15] and started operating on the S2 line on April 29.[32] The third unit began service on the S2 line on May 18.[33] The fourth and final unit entered service on June 11.[34] On 11 December 2011, all four units were reassigned to the S1 line.[35]

On 23 May 2012, between the Warszawa Zoo railway station and the Warszawa Praga railway station, train number 303 collided with an Elf train of Masovian Railways (EN76-012). As a result of the accident, a passenger on the 19WE and a passenger on the Elf were injured.[36] The 19WE unit returned from repair on June 8.[37]

References

[edit]
  1. ^ a b c d e f g h i j k l m "Dokumentacja techniczno-ruchowa elektrycznego zespołu trakcyjnego typu 19WE" (PDF). skm.warszawa.pl (in Polish). Retrieved 2024-07-12.
  2. ^ a b c d e f g h i j k l m Zagozdon, Piotr; Rutkowski, Krzysztof (2010). "EZT 19 WE". skm.warszawa.pl (in Polish). Archived from the original on 2016-03-16.
  3. ^ a b c d Graff, M. (2009). "EZT typu 20WE z Newagu". Świat Kolei (in Polish). 9. Łódź: Emi-press: 4–5. ISSN 1234-5962.
  4. ^ Rusak, Ryszard (2005). "Od Pafawagu do Bombardiera. 60 lat Państwowej Fabryki Wagonów Pafawag we Wrocławiu". Świat Kolei (in Polish). 10. Łódź: Emi-press. ISSN 1234-5962.
  5. ^ a b Terczyński, Paweł (2005). "Pafawag – kronika produkcji". Świat Kolei (in Polish). 10. Łódź: Emi-press. ISSN 1234-5962.
  6. ^ Terczyński, Paweł (2008). "Wagony i zespoły spalinowe w obsłudze ruchu regionalnego na PKP". Świat Kolei (in Polish). 9. Łódź: Emi-press: 12–21. ISSN 1234-5962.
  7. ^ Waga, Bogdan (2007). "Elektryczne na start". Koleje Małe i Duże (in Polish). 1. Łódź: Emi-press: 18–27. ISSN 1234-5962.
  8. ^ Wodzicki, Rafał (2005). "Nowy tabor dla SKM Warszawa. Wymysł Kaczyńskiego?". Świat Kolei (in Polish). 12. Łódź: Emi-press: 12–15. ISSN 1234-5962.
  9. ^ "EC Engineering na targach Innotrans" (PDF). EC News (in Polish). 25. EC Grupa: 4. 2008. Archived from the original (PDF) on 2016-04-04.
  10. ^ Klimkiewicz, Jakub; Grobelny, Michał (2008). "19WE wkrótce zawalczy o polski rynek". Rynek Kolejowy (in Polish). 3. Warsaw: Tor. ISSN 1644-1958.
  11. ^ "Forum ekonomiczne w Krynicy". Onet Wiadomości (in Polish). 2008-09-10. Retrieved 2024-07-12.
  12. ^ a b c d e f Kopras, Radosław (2022-05-09). "20WE – racjonalnie wykorzystany prototyp". kurier-kolejowy.pl (in Polish). Retrieved 2024-07-12.
  13. ^ Kroma, Robert; Sosiński, Janusz; Zintel, Krzysztof, eds. (2014). "Zespoły trakcyjne 19WE i 20WE firmy Newag". Normalnotorowe wagony silnikowe kolei polskich: 1991-2013. Encyklopedia Taboru (in Polish) (1 ed.). Poznań: Kolpress. pp. 185–190. ISBN 978-83-933257-6-4. OCLC 932174413.
  14. ^ a b "Warszawa: SKM rozstrzygnęła przetarg na leasing 4 ezetów". rynek-kolejowy.pl (in Polish). 2009-06-15. Archived from the original on 2015-03-07.
  15. ^ a b c d e f g Graff, Marek (2010). "Jednostki 19WE z Newagu dla Warszawskiej SKM". Świat Kolei (in Polish). 5. Łódź: Emi-press: 3. ISSN 1234-5962.
  16. ^ "Pesa traci kontrakt z SKM Warszawa. Miała dostarczyć 13 pociągów. "Jesteśmy zaskoczeni"". www.money.pl (in Polish). 2019-10-17. Retrieved 2024-07-12.
  17. ^ a b Kierecki, Aleksander (2011-02-21). "Całkiem nowa konstrukcja z Newagu dla SKM Warszawa". TransInfo (in Polish). Retrieved 2024-07-12.
  18. ^ "Za półtora roku koleją na Okęcie". warszawa.wyborcza.pl (in Polish). 2010-03-16. Retrieved 2024-07-12.
  19. ^ "Nowy pociąg 35WE już w Warszawie. Newag dostarczył go w dwa miesiące". Rynek Kolejowy (in Polish). 2013-02-20. Archived from the original on 2015-03-07.
  20. ^ "Umowa na modernizację 21 pociągów SKM Trójmiasto podpisana". rynek-kolejowy.pl (in Polish). 2012-05-10. Archived from the original on 2012-05-14.
  21. ^ "Koleje Dolnośląskie kupują nowe pociągi". kolejedolnoslaskie.pl (in Polish). 2020-06-30. Retrieved 2024-07-12.
  22. ^ "Odwołanie wykonawcy". kolejedolnoslaskie.4bip.pl (in Polish). 2011-02-11. Retrieved 2024-07-12.
  23. ^ "5 ezt dla Kolei Dolnośląskich: Newag wygrywa". rynek-kolejowy.pl (in Polish). 2011-07-22. Archived from the original on 2011-07-26.
  24. ^ "Wkrótce ruszy budowa 31WE dla KD". kurier-kolejowy.pl (in Polish). 2012-07-24. Retrieved 2024-07-12.
  25. ^ a b Kierecki, Aleksander (2010-04-11). "19WE już na trasie w barwach SKM". TransInfo (in Polish). Retrieved 2024-07-12.
  26. ^ a b "Newag po wypadku w Warszawie: Nasz tabor też jest bezpieczny". rynek-kolejowy.pl (in Polish). 2012-05-24. Archived from the original on 2014-03-04.
  27. ^ a b "VIII. Elementy wyposażenia wnętrza" (PDF). skm.warszawa.pl (in Polish). Retrieved 2024-07-12.
  28. ^ "19WE". Newag S.A. (in Polish). Retrieved 2024-07-12.
  29. ^ "W pociągach SKM Warszawa naładujesz telefon". TransInfo (in Polish). 2015-10-26. Retrieved 2024-07-12.
  30. ^ "Lista referencyjna urządzeń trakcyjnych Przetwornice trakcyjne" (PDF). medcom.com.pl (in Polish). 2009. p. 68. Archived from the original (PDF) on 2016-03-04.
  31. ^ "Nowy EZT 19WE". medcom.com (in Polish). 2008-10-13. Archived from the original on 2015-05-15.
  32. ^ "Drugi 19 WE wyjechał na trasę SKM". rynek-kolejowy.pl (in Polish). 2010-04-29. Archived from the original on 2015-10-27.
  33. ^ "Trzeci 19WE już wozi pasażerów". rynek-kolejowy.pl (in Polish). 2010-05-18. Archived from the original on 2014-09-22.
  34. ^ "Okres gwarancji producenta pojazdów 19WE liczony od daty wprowadzenia do eksploatacji" (PDF). skm.bip.um.warszawa.pl (in Polish). p. 15. Retrieved 2024-07-12.
  35. ^ "Od 11 grudnia nowy rozkład jazdy SKM Warszawa". rynek-kolejowy.pl (in Polish). 2011-12-08. Archived from the original on 2012-03-24.
  36. ^ "Czołowe zderzenie pociągów w Warszawie. Dwie osoby ranne". rynek-kolejowy.pl (in Polish). 2012-05-23. Archived from the original on 2012-05-25.
  37. ^ "19WE po wypadku z powrotem na torach". rynek-kolejowy.pl (in Polish). 2012-06-08. Archived from the original on 2012-06-10.
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