Main Parameters ntawm GE 7FDL Cav
GE 7FDL series yog plaub-stroke nruab nrab-ceev diesel cav tsim los ntawm General Electric (GE). Nws feem ntau yog tsim los rau railway locomotive traction, thiab tseem muaj feem xyuam rau marine power systems thiab chaw nres tsheb fais fab. Hauv qab no yog nws cov txheej txheem tseem ceeb thiab cov ncauj lus kom ntxaws ntawm cov qauv nrog ntau lub tog raj kheej suav.
I. Basic Technical Parameters
Parameter Yam Paub meej Specifications
Chaw tsim tshuaj paus GE Transportation Systems
Lub Sijhawm Ntau Lawm 1956 txog tam sim no (tsuas yog siv hauv cov qauv xa tawm tom qab 2004)
Stroke Hom Plaub-mob stroke
Lub tog raj kheej Arrangement V-hom kev npaj nrog 45 ° nrog lub kaum sab xis
Lub tog raj kheej Bore 9 nti (228.6 mm)
Piston Stroke 10.5 nti (266.7 hli)
Supercharging Method Exhaust gas turbocharging
Roj System Direct txhaj
Roj hom Diesel
Cooling System Dej-txias
Rated Speed Range 450 ~ 1,050 rpm (kev khiav hauj lwm ceev: 600 ~ 900 rpm)
Compression Ratio Kwv yees li 16.5: 1 (me ntsis txawv ntawm cov qauv sib txawv)
Kev xa tawm ib lub tog raj kheej kwv yees li 18.68 L (xav tus nqi: π × (228.6/2)² × 266.7 × 10⁻⁹)
II. Tshwj xeeb Parameters ntawm cov qauv nrog ntau lub tog raj kheej suav
Qauv nab npawb ntawm lub tog raj kheej Displacement (L) Hwj chim Range (hp) Hom kev siv
7FDL-8 8 Kwv yees li 149.4 1,400～1,800 Me locomotives (piv txwv li, GE CM20EMP), hloov locomotives
7FDL-12 12 Kwv yees li 224.2 2,000～3,300 Qhov nruab nrab qhov loj me (piv txwv li, GE P32AC-DM dual-mode locomotive)
7FDL-16 16 Kwv yees li 298.9 2,400～4,400 Cov kab loj loj (piv txwv li, AC4400CW, Dash 9-44CW)