PKP class SP30

Infobox Locomotive Auto
name = SP30
powertype = Diesel-electric


caption = SM30/SP30 locomotive
builder = flagicon|POL ZNTK
serialnumber =
buildmodel =
builddate = 1974-1978
totalproduction = 109
aarwheels =
uicclass = Bo-Bo
gauge = RailGauge|sg
bogies = 2
driversize =
wheeldiameter = mm to in|850|abbr=yes
wheelbase =
length = m to ft|10.140|abbr=yes
width = m to ft|3.130|abbr=yes
height = m to ft|4.300|abbr=yes
framesize =
weightondrivers =
weight = 36 t.
fueltype = Diesel
fuelc

consumption =
electricsystem =
primemover = Wola V-300
Wola 2DVSa-350
enginetype = four-stroke
tractionmotors = LT-31
LKAa-310
aspiration =
displacement =
cylindercount = 12
cylindersize =
transmission = electrical
topspeed = 60 km/h
poweroutput = 257 kW
tractiveeffort = 73,55 kN
factorofadhesion =
locobrakes = Knorr
hand brake
trainbrakes =
safety =
railroad = PKP
railroadclass = SP30
numinclass = 109
roadnumber =
officialname =
nicknames =
locale =
deliverydate = 1974
firstrundate =
lastrundate =
retiredate =
restoredate =
scrapdate =
currentowner =
disposition =|

SP30 is a Polish series of diesel passenger locomotives used by PKP. [cite web| url=http://www.kolej.pl/serwis/tabor/ts.php| title=Rozwój spalinowych pojazdów trakcyjnych w Polsce| date=2003-2007| accessdate=2007-09-03]

History

In the 1970s 109 items of SM30 locomotive were equipped with 500V heating device, and as a result the name of those machines was changed to SP30 (able to pull passenger trains).cite web| url=http://www.kolej.pl/jareks/wtpkp/sm30.htm| title=Chester Home Page| author=Jarek D. Stwarz| date=1997-2002| accessdate=2007-09-03] Those machines stayed in regular service until late 1980s. In 2000 all of them were again, after dismounting heating systems, returned to SM30 series.cite web| url=http://www.lkkteam.pl/readarticle.php?article_id=23| title=LKK Team| author=Marcin Mularczyk| date=2006-2007| accessdate=2007-09-03]

Technical data

SP30 is a Bo-Bo locomotive, what means it runs on two bogies, each equipped with two axles. The general construction of this engine is relatively simple.

The locomotive frame is constructed of steel rolled formers. Ball stub-axles are mounted to strend girders, that make welded box construction. Aggregate, composed of diesel engine and main alternator, is mounted on parallel girders. The engine is connected to main alternator with an elastic clutch. Four traction motors (two on each bogie) are mounted with a tram system. Traction motors can be powered in series connection, parallel connection and parallel connection with field reduction of 40 to 60%.

Traction motors are series devices with 60 kW hour power. Main alternator (PABOM-186a type) is a DC machine with 600 V. voltage and 367 A. intensity. Its powe rating whilst working with 1500 rpm. is 220 kW. During engine starting the main alternator serves as electric starter, powered from the battery. For the purposes of enlighting the locomotive and charging batteries an additional alternator (Pw-114a type) is used.

The only difference between SM30 and SP30 classes is the 500 V. heating device mounted in the latter. This device allowed the locomotive to heat up to three two-axled carriages.

References