Traction Rolling Stock - Indian Railways Institute of Electrical ...

Peak short ckt. current with smoothing … 27000 A
reactor in circuit connection … Graetz bridge
(a)
Particulars of components in rectifier assly. of M/s AEG/NGEF Ltd.
No. of cells in parallel per arm … 4 Nos.
No. of cells in series … 3 Nos.
Cell Type … D400/2000
Cooling … 2 blowers - 3200m³ /hr
Main fuse, 64 nos./loco … Type NG3, 500A, 800V
Signal fuse 32 nos./loco … Type N300, 1200V
Cell damping network :
Resistor … Type RW 12/76 FST
47 kohm ± 5%
DC damping network :
Resistor … Type GBs 30/B3-8 ohms with
fixed central tap 4+4 ohms.
Capacitor … 22uF 380 V
DMVSI … 2 Nos./Loco-siemen's
make (Imported)
Micro Switch … Y-6, E-NR 910-161.500. 02.
(b)
Particulars of components in Rectifier Assly. of M/s Ruttonsha.
Diode … Type 321 UMR 200 with
heat sink type HK 1539A
321 UFR 200 with Heat
sink type WK1539/Bore
No. of cells in series … 3
No. of cells in parallel … 2
Cooling … 2 blowers-3200m² /hr.
Main fuse … 64 nos.
Type NG3 500A 800 V.
Single fuse … 32 nos
Type IR 1 : 1000, 700.rms.
Cell damping network
Series resistor … 10 ohms, 25 W.
Hole storage capacitor … 2.5mfd, 1200V.
Potential divider resistor … 25 Kohms, 25W.
DC damping network