1-Power Circuit1.ppsx
1-Power Circuit1.ppsx
1-Power Circuit1.ppsx
Panto
PT ( On Roof)
cc 250 V AC / 10-12 V DC
For OHE meter /LVR / Signal
ET-1
VCB HOM
ET-2
BUR-1. OCR-78
(Like QLM) Traction Converter-1 (SR-1)
3 phase 415V
• 3phase AC
In WAG-9/ WAP-7
Conv.-1
OCB-1
ure
2 TM in WAP-5
C
Aux.
SR-1
• 2180 V
-A
-p
OCB-2.
ph
re
DC
DC-DC
Cont.
C
pu
• 360A-Max
1-
h- A
To 3 TM
-im
SR-1
3- p
• 260A-Cont.
DC
Harmonic Filter Line Converter
DC-Link
Drive Converter • 0-65-132 Hz
C
TMB-1 • VVF
3 phase 415V
In WAG-9/ WAP-7
Pump (TFP)-1
re
2 TM in WAP-5
C
• Temp Sensor
SR-2
Pump (TFP)-2
- pu
-A
Pump (conv)-1 R
ph
ure
DC
DC-DC • Current Sensor
C
Pump (conv)-2
To 3 TM
1-
h- A
mp
SR-2
-i
3 -p
DC
MCP-1
3 phase 415V
MCP-2 Auxiliary
Conv.-3
BUR-2.
By: S G Raut Instructor / TRO / NGP
1. Pantograph -
2. Roof Bars – 3 nos.( Panto – VCB – Panto )
3. VCB -
4. HOM – Same as Conv. /operated by IG38
5. ET - Gapless
6. PT – 25kv/250V AC / 10-12 V
7. Secondary Windings – 7 Nos.
8. SR-1/2 – 1 ph to 3 ph and fed to TM
9. AC-1/2/3 – 1 ph to 3 ph and fed to Aux
10. 3 phase , 415 V Aux – 12Nos.
11. Hotel load – 750V , 750 KVA
12. Harmonic filter – To suppress Harmonics in power ckt
13. Traction Motor – 3 ph Squirrel cage Asynchronous Induction type