Testing Directorate conducts about 50 field trials and about 25 laboratory trials every year

Some recent important trials and tests conductedare

Oscillation Trials

Train-18

1600 HHP DEMU

Double Deck wagon type COR

WDG4G locomotive

WAG11 twin locomotive

NG coach test rake

Coaching Stock

LHB EOG Non-AC GS coach (LS-5A) on fiat bogie fitted with

pneumatic suspension (160 Kn capacity) at secondary stage LHB EOG AC coach (LWACCNA) on fiat bogie fitted with

pneumatic suspension (160 Kn capacity) at secondary stage

Self Generating LHB AC-II variant coach on Fiat bogie having

pneumatic suspension at secondary stage fitted with 30 kW

permanent magnet (PM) alternator with controller (LWGACCWA)

BG 1600 HHP diesel electric multiple unit (DEMU)

16 coach formation train set under the project name as Train -

18 manufactured by ICF/Chennai 1400 hp HHP Diesel Electric Multiple Unit (DEMU)

8 car formation MEMU stock having 3-phase IGBT based

propulsion system with stainless steel car body

Existing NG Coaches fitted with modified bogies with

Transportation Code GS, SLR, FCZ & SPPHR (2nd class, SLR

Coach, 1st Chair Car & 2nd Class with Guard & Half Postal) Freight Stock

Broad Gauge Bogie Double deck wagon type „COR‟ (Type A &

B) 20.32T axle load Broad Gauge Bogie (POL-Petroleum, Oil and

Lubricant) Tank Wagon type “BTFLN”

22.82t (CC+8+2t) axle load Broad Gauge Bogie Open Wagon

type “BOXNLWM1” 22.32t axle load broad gauge bogie open wagon type

BOSTHSM2

22.32t axle load BG bogie open rapid discharge hopper wagon

type "BOBRNHSM1"

22.9t axle load broad gauge bogie flat steel wagon type BFNSM

22.9 22.9t axle load broad gauge bogie open wagon type BOXNR

Locomotives

WAG7 class of locomotive

WAG5P locomotive

WAGC3 twin locomotive

WAG12 (coupled locomotives) class of locomotive

WDG4G Class 4500(hp) locomotive

Modified WAG12 (coupled locomotives) class of locomotive

WAG11 (Twin Co-Co electric locomotive converted from WDG4)

class of locomotive ZDM3 (Twin cab) class of diesel hydraulic locomotive

Departmental Vehicles

Rail Borne Maintenance Vehicle RBMV (Transportation code-

RBMVP) manufactured by M/s Phooltas Harsco Rail Solutions Pvt. Ltd. Patna

Metro Trials

Gujrat Metro coaches

Noida Metro Rail Corporation limited coaches manufactured by

M/s CRRC Corporation Ltd. CHINA

Air conditioned Kolkata Metro coaches with 3-phase propulsion

system of M/s Medha Servo Drives

Maha Metro Nagpur project standard gauge (SG) rail network,

coaches manufactured by M/s Hyundai Rotem Company

KMRCL SG Rail network with coaches manufactured by M/s

BEML Ltd. Bangalore

Gujrat Metro standard gauge (SG) coaches manufactured by

M/s Hyundai Rotem Company

Coupler Force / Controllability / Jerk / EBD trials

WDP4DD twin cab loco

8 car MEMU

Controllability, EBD and Coupler Force trials on 08 nos. MLR

type NG coaches with two NDM1 (hp) 610 mm narrow gauge diesel hydraulic locomotive (push – pull train)

Controllability, Emergency Braking Distance, Coupler Force

including Jerk trials of special Rajdhani Express train with a rake

comprising of 20 LHB AC (EOG) variant coaches including two LHB generator vans with single WAP7 locomotive at front of

rake and single WAP7 at rear of rake over IGP-KSRA ascending & descending ghat section of Central Railway and NZM – LAR

Coupler force & Braking distance trial of a rake comprising of

maximum 24 numbers of AC/Non AC (EOG) LHB variant coaches

& LHB AC (EOG) chair car coaches including 02 numbers of LHB generator vans with single WAP5/WAP7 locomotiveover Andul –

Tata Nagar – Andul section of South Eastern Railway section of North Central Railway

EBD trial of WAGC3 twin locomotive

EBD trial of 16 coach formation train set under the project name

as Train -18 manufactured by ICF/Chennai EBD trials of Rail Borne Maintenance Vehicle RBMV

(Transportation Code - RBMVP)

EBD trial of 8 car formation MEMU stock having 3-phase IGBT

based propulsion system with stainless steel car body

EBD trial of WAG11 twin locomotive

Confirmatory Oscillograph Car Run / Route Proving Run

SplRajdhani with WAP5 (Push-Pull)

COCR of Train-18

Special Rajdhani Express trains comprising of 18 nos. of LHB AC

EOG variant coaches hauled by single WAP5 loco at front of

rake and single WAP5 loco at rear of rake on BDTS-MTJ-BDTS

and NZM-MTJ-NZM sections of Northern, North Central, West Central and Western Railways

Prototype rake of 16 coach formation train set under the project

name as Train-18 manufactured by ICF, Chennai between GZB-ALD-GZB, ALD-MZP-Blockhut k and back to ALD section of North

Central Railway

Special Rajdhani Express train with a rake comprising of 20 LHB

AC (EOG) variant coaches including two LHB Generator Vans

with single WAP7 locomotive at front of rake and single WAP7

at rear of rake between NZM to LAR and back to NZM section of Northern Railway and North Central Railway

24 numbers of AC/Non AC (EOG) LHB variant coaches & LHB

AC/Non AC (EOG) chair car coaches including 02 numbers of LHB generator vans with single WAP5/WAP7 locomotive, over

Andul - Tata Nagar – Andul section of South Eastern Railway

Stress investigation trials

BCNAHSM1 (Design-D)

BCNAHSM1 (Design-D) wagon manufactured by Jindal Rail

Infrastructure Limited, Vadodara

BCNAHSM1 (Design-D) wagon manufactured by M/s Hindustan

Engieering& Industries Limited, Kolkata BCNAHSM1 (Design-D) wagon manufactured by M/s Titagarh

Wagons Limited, Kolkata

BCNAHSM1 (Design-D) wagon manufactured by M/s Cimmco

Limited, Kolkata

BOXNS wagon manufactured by M/s Texmaco Rail &

Engineering Ltd., Agampura Works, Belgharia, Kolkata BRN (22.9t) wagon manufactured by M/s Jindal Rail

Infrastructure Limited, Vadodara

8 wheeler Diesel Electric Tower Car shell (8-W DETC)

manufactured by M/s PhooltasTransrailPvt. Ltd. Patna, Haridwar

Special trials and study

WAGC3 (10000 hp) loco

Rating & Performance trial of WDG4G (4500hp) Locomotive of

M/s GE

Rating & Performance trial of WAGC3 (10000 hp) Locomotive

Rating & Performance trial of WAG11 twin (12000hp)

locomotive Measurement of noise level in Non-AC BG main line coaches in

running condition

Track Monitoring Runs

TM Run NDLS-AGC-NDLS

Periodic Track Monitoring Runs conducted on following routes: NDLS-AGC-NDLS

NDLS-HWH-NDLS

NDLS-BCT-NDLS and

NDLS-MAS-NDLS

Laboratory Tests

Air Brake Laboratory tests

Distributor Valve Test Rig

Study of brake propagation rate in Air Brake Lab with 1.4 mm & 1.7 mm application choke of distributor valve on different

combinations of 58 BOXN wagon rake

Performance & Endurance test of distributor valve submitted by M/S JWL DAKO-CZ (India) Ltd.

Brake Dynamometer Laboratory tests

Brake Dyn. Testing Machine

Dynamometer testing of MG DEMU cast steel test wheels

Quality test of 'L' type composition brake blocks for locomotive

stocks

Fatigue Testing Laboratory tests

Load deflection and fatigue test

Endurance test of Draft Gear

Load deflection and fatigue test of elastomeric pads for fresh

registration

Static and Dynamic testing of light weight low height 25t bogie

bolster as per AAR M202 methods

Testing of Sliding Barrier Boom (SLB) Load deflection and fatigue test of Fiat bogie secondary coil

springs

Endurance test of Conical Springs removed from Kolkata Metro Coach

Endurance test of Draft Gear compatible to slackless draw bar

arrangement

Endurance test of Draft Gear