9.electrical presentation

7/30/2019 9.Electrical Presentation

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RESEARCH DESIGNS AND STANDARDS ORGANISATION

by

Sr.EDSE / RDSO


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WAG1/WAG2

2900 HP AC

WCG2

1970

WAG5

1980

WAG7

1990

Import during 1960s

Indigenous Developmentduring 1970-1990

5000 HP AC

4200 HP DC

3850 HP AC


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WAM1/WAM2/WAM3

2800 HP AC , 110 kmph

Import during 1960s

Indigenous Development during 1970-1990WAM4: Year 1970

3400 HP ,AC110 Kmph

WAP3 : Year19873900 HP ,AC

160 Kmph

WAP4:Year 19905000 HP, AC ,

140 Kmph

WCAM2: Year 19905000 HP,AC-DC

120 Kmph


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Up-gradation of Technology : RDSOs Efforts

Design and development ofSilicon Diode Rectifiers in place ofMercury Arc Rectifier

Co-Co , High Adhesion Bogies in lieu ofB-B/Bo-Bo BogiesRoller Bearings to replace Plain sleeve

bearings for Axle Boxes and MotorSuspensionDual brake conversion


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Work Horses of Indian Railways

Freight : 5000 HP 100 kmph WAG7

Fabricated high adhesion Bogie

Static Converters

Microprocessor based Control

and Fault Diagnostics System

Passenger : 5000 HP 140 kmph WAP4

CO-CO Flexi coil Mark 1 Cast Bogies

Roof Mounted DBRs

Static Converters

Microprocessor based Control andFault Diagnostics System


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6P Conversionof locomotives

Cable headterminationin place ofcondenserbushings

Vacuum CircuitBreaker in place ofAir Blast CB

RockwellTechnology forcasting of Co-

Co Bogie

Smoothingreactor(SL-30) in place ofearlier SL-42

Condition Monitoring ofTransformers and tap changerswith DGA , traction motors

Electron Beam irradiatedCross Linked Cables-lowtoxicity , halogen free

and fire retardant

Improved insulation

schemes for TractionMotors andTransformers


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Tri-plate Panelmountedpneumatic brakeequipments

180 KVA StaticInverter in place ofrotary ARNO converter

Metallised carbon strips inpantograph

Low maintenance batteries :avoiding toping up of water

Microprocessor

based control &fault diagnosticsystem

High sump

capacitycompressors

RoofMountedDBR


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SAFETY

Roller bearings in place of plainsleeve suspension bearings fortraction motors and axle boxes

Microprocessor basedspeed cum EnergyMonitoring System

Twin beam head light with DC-DC converter and LED basedFlasher and Marker Lights

Air dryers-improvedreliability of valves

Vigilance Control Device

USFD of Axles andShafts

NDT for Critical BogieItems


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ReliabilityMeasures

MaintainabilityMeasures

Safety

Measures

Mean Km betweenFailures : 50K to 0.5 mKm

Availability of Locosincreased from 79% to91%

Major Overhauls after

1.2 m Km as against 0.6m Km early

On-time performance ofPassenger Trains:improved by 25%

Enhanced Safety Record


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Acquisition of Thryristorised Locos : 1980

WAG6A : 6280HP , 100 kmph6 Locomotives from M/s ASEA,SwedenBo-Bo-Bo BogieType L3 M 450-2 Traction Motorfully suspended

WAG6B&C : 6050HP , 100 kmph6 Locomotives each from M/s SumitomoCorp, JapanBo-Bo-Bo & Co-C0 bogieType HS 15556-OIR & HS 15256-UIRHitachi Traction Motor

Not pursued further due to availability of better three phasetechnology and obsolescence of thryristorised technology


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Import during 1996

Freight : WAG9 , 6000 hp

Passenger : WAP5 , 6000 hp

Indigenous Design and Development in 2000

Passenger :6000 hp Co-Co Bogie

Freight :6000 hp Max Tractive Effort: 52 t

High TorqueTractionMotors

WAG9H

2001

WAP72000


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RDSOs Efforts

Indigenisation of Loco Equipments :75 %

Import substitutionUp-gradation of SoftwareDesign and development of Speed Sensors

for better Slip Slide ControlMeasures to improve the Reliability ofTraction Motors

Design and development of High TorqueTraction motors : Max Torque- 10,300 Nm inplace of existing 9200 Nm to haul 5200 tloads at 1: 150 gradient


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Area of Co-operationTraffic Projection in 2011-12

Freight Traffic : 1100 million tonnes (MT) from existing726 MT

Passenger Traffic : 880 billion passenger Km (BPK)from existing 700 BPK .

Requirement to increase Average speed of freight trains

High Horse power ,energy efficient,individual axlecontrol, high adhesion freight locos for Higher Throughput and optimisation of line Capacity .High Speed ,energy efficient, individual axle control

passenger locos for 225 kmph /300 kmph


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Area of Co-operation

IGBT Technology for Power and AuxiliaryConverters

High speed and High Adhesion Bogies

High Reach Pantographs for Double StackContainers

Individual Axle Drive with better AdhesionControl

Reliable Three phase Traction Motors

9.electrical presentation

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