Indian Railways AC Traction Manual Volume III PDF

APPENDIX- I CODE ABBREVIATIONS FOR ELECTRIC LOCO COMPONENTS ------------------------------------------------------------------------------------------------------------------------------------ II. CODE ABBREVIATION ITEM ----...

APPENDIX- I CODE ABBREVIATIONS FOR ELECTRIC LOCO COMPONENTS ------------------------------------------------------------------------------------------------------------------------------------ II. CODE ABBREVIATION ITEM ------------------------------------------------------------------------------------------------------------------------------------ A 1/1-1/2 Ammeters for cab-1 A 2/1-2/2 Ammeters for cab-2 AF Air flow indicator ARNO Arno convertor ASMGR 1 Auxiliary contacts on the air motor of the tap changer 100 tap. ASMGR 2 Auxiliary contacts on the air motor of the tap changer 900 tap. ATFEX Transformer for breaking excitation BA Battery BCR 1-2 Buzzer for air brake reservoir pressure BL 1-2 Auxiliary contacts on the switch boxes cab 1, cab 2. BL 1-2 CP Automatic compressor switch CPD Compressor direct switch DJ High voltage circuit breaker switch PRR Rear head light LF Marker & Desk’s Lamps LM Compartment Lamp switch PR Head Light dim switch PRF Front head light switch PV Vacuum pump switch QPV Switch for high speed of the Exhausters cab-1, cab-2. RA Heating switch RDJ High voltage circuit breaker resetting Switch. SN Neutral section switch VMT Traction motors blowers switch ZLF Marker ( red & white ) lamps switch BP1DJ Push button for testing DJ opening BP2DJ Push button for testing DJ closing INDIAN RAILWAYS – AC TRACTION MANUAL – VOLUME III [ 210 ] ------------------------------------------------------------------------------------------------------------------------------------ III. CODE ABBREVIATION ITEM ------------------------------------------------------------------------------------------------------------------------------------ BPLSGE Push button for testing VSGE BPPI-2 Push button operating GR motor in progression BPQ 100 Push button for Q 100 BPRI-2 Push button operating GR motor in regression BV Auxiliary Contacts of HOM Switch BVGR 1-2 Buzzer for vigilance control BPT Push button for self check of signal lamps C 101 3-Pole contactor for motor compressor C 105 3-pole contractor for the Traction Motor Blower No.1 C 106 3-pole contactors for the Traction motor blower No.2 C 107 3-Pole contactors for the transformer oil cooler blower C 111 3-Pole contactors for exhauster No.1 C 118 Arno starting contactor C 121 3-Pole contactor for exhauster No.2 C 145 Braking excitation contactor CCA Fuse for aux. control circuit CAPTFWA 1-2 Condenser for TWFA CAPTFP 1-2 Condenser for TFP CAPTFP 3-6 Condenser for TFP terminals a3- a6 CAPVS Condenser for VSGE CCBA Fuse for batteries CCCHBA Fuse for batteries charger CCGE Fuse for Generator CCDJ Fuse for EFDJ or MTDJ circuits CCLC Fuse for Cab corridor H.T. Compartment Lighting and Wall Sockets CCLF 1-2 Fuse for Marker and PC/Lamps CCPT Fuse for control circuit CCRA 1-2 Fuse for Cab Heaters CCRT Fuse for RTPR CCLS Fuse for signalling circuit CCLSA Fuse for air brake signalling circuit CCTFS Fuse for Selsyn Transformer CCUA Fuse for Volt meter UA1-2 INDIAN RAILWAYS – AC TRACTION MANUAL – VOLUME III [ 211 ] ------------------------------------------------------------------------------------------------------------------------------------ IV. CODE ABBREVIATION ITEM ------------------------------------------------------------------------------------------------------------------------------------ LU 1-2 Lamps for voltmeter U1-2 ( Traction Motor voltage) LUA 1-2 Lamp for voltmeter UA 1-2 M 1-6 Traction meter 1-6 MCP 1-3 Main compressor motor MCPA Auxiliary compressor motor MF1-6 Main field for traction motor 1-6 MP 1-2 Master controller cab 1-2 MPF 1-2 Braking Controller MPH Oil pump motor MPJ 1-2 Reverser of the master Controller MPS 1-2 Field weakening controller of the master controller MPV 1-2 Vacuum pump (exhauster) motor 1-2 MTDJ High voltage circuit –breaking holding electrovalve MVMT 1-2 Motor for traction motor blower MVRF Motor for Braking resistor blower MVRH Blower motor for oil cooler blower MVSI 1-2 Silicon rectifier blower motor MVSL 1-2 Blower motor for smoothing reactor MVT 1/ 1-1/ 2 Cab fan motors cab 1 MVT 2/1-2/ 2 Cab fan motors cab 2 P Couplers for connections between the locomotives PCLX 1-3 Wall socket PH Oil pump PR 1-2 Head light cab 1, cab 2 PSA 1-2 Sanding electrovalve pedal PT 1-2 Pantograph 1& 2 PV 1-2 Exhauster 1& 2 PVEF 1-2 Pedal switch for loco brake elimination Q 20 Over voltage relay Q 30 No – voltage relay Q 44 High voltage circuit – breaker tripping relay Q 45 Circuit breaker resetting relay Q46 Tap – changer protection relay Q47 Relay for high speed for the exhauster motor Q48 Slipping device time – lag and signalling relay INDIAN RAILWAYS – AC TRACTION MANUAL – VOLUME III [ 214 ]