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Centre of Excellence for Rotating Machines
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Centre of Excellence for Rotating Machines

(Motors, Pumps, Engines and Alternators)
ERDA has established “Centre of Excellence for Rotating Machines” for type testing of Submersible Pumpsets, Motors, IC Engines, & Alternators as per various IS and IEC standards. ERDA has more than 30 of years experience in the field of Rotating Machines testing. ERDA has world class infrastructure for conducting type test of rotating machines up to 150 HP (110 kW) at 50 Hz & 60 Hz. These facilities are recognized by BIS, BEE, NABL & PESO. Rotating machines (motors & pumps) consume more than 70% energy in industries and agriculture. Further engines & alternators are required for fulfilling the energy short fall in industries & agriculture. Hence, it is important that every rotating machine should be tested for its performance evaluation. The basic objective of such testing is to verify the design & performance and to verify that the motor/pumpset has been manufactured as per recommendation & requirements of relevant standards. In light of the above, ERDA has established following automated test facilities for type testing of rotating machines:

Automated Pump Testing Facility
Automated Pump Testing Facility up to 150 HP, 8” Size, 50 Hz & 60 Hz
Size of pump: 15/19 mm, 25mm, 32 mm, 40mm, 50mm, 65mm, 80mm, 100mm, 125mm,150mm,200mm.
Pipe setup with automated equipment
Control panel for fully automated testing of pumps (four Nos.)
Borewell Submersible pumpsets IS: 8034
Openwell Submersible pumpsets IS: 14220
Monoblock pumpsets IS: 9079
Centrifugal pumps IS: 6595
Jet centrifugal pumps IS: 12225
Regenerative self priming pump IS: 8472, IS 8418
Motor-operated water pumps UL 778
Special purpose pumps as per customer’s requirements.
Precision digital flow-meters & pressure gauges
Automated Motor Testing Facility
Automated Motor Testing Facility up to 150 HP, 50 Hz & 60 Hz
3-ph/1-ph general purpose induction motors IS: 325 & IS: 996, IEC 60034
Energy efficient motor IS: 12615, IS:15999
Squirrel cage induction motor for agricultural purpose IS: 7538
Increased safety motors IS/IEC 60079-7
DC motors IEC 60034-3
Driving lift motors IS: 8151
Submersible motors IS: 9283
IP testing of motors up to 40 Ton. IS/IEC:60034-5
4 number precision dynamometers with automated load controller. (0.5Nm to 2000Nm range)
Accuracy: 0.1 %.
Control panels for fully automated testing of motors (30 HP, 60 HP,100 HP, 150 HP)
Dynamometer and test beds with torque transducers
Automated Engine Testing Facility
Automated Engine Testing Facility up to 150 HP
Engine coupled with dynamometer
Acoustic enclosures with test bed for noise reduction
Constant/variable speed CI engines  (general purpose) IS: 10001, IS: 10002
Constant/variable speed CI engines  (agriculture purpose) IS: 11170
Small size spark ignition engine (petrol/kerosene) IS: 7347
Engine monoset pumps upto, 8” IS: 11501
Precision dynamometer with automated load controller and automated fuel measurement system (four nos. – 3HP, 25HP, 100HP, 150HP)
Automated Alternator Testing Facility
Automated Engine Testing Facility up to 150 HP
Automated test bed & panel for 3 ph /1-ph alternator testing as per IS: 13364
Other Equipment
Foot-valve, reflux valve, bore valve upto 8” as per IS: 10805
The above test facilities for Rotating electrical machines are accredited under NABL, Govt. of India. The facilities are also recognised by BIS for its marking scheme. The test facilities for IS:6381-2004 for increased safety motors are recognised by PESO (Petroleum and Explosive Safety Organization), Nagpur
Accreditations & Recognitions
National Accreditation Board for Testing & Calibration Laboratories (NABL) Government of India
Bureau of Indian Standards (BIS)
Bureau of Energy Efficiency for Standards & Labeling Programme for Motors & Pumps, Geysers, Refrigerators, Lamps, Transformers etc.
Petroleum Explosive & Safety Organisation (PESO)
Intertek (ASTA-BEAB) for Switchgear, Cables & Transformers
Underwriters’ Laboratories (UL) for Certification Testing of Switchgear Products
TÜV Rheinland (India) Pvt. Ltd.,
Certification after Recognition of Agent's Testing (CARAT), TÜV-PS Germany
Department of Atomic Energy (DAE), Government of India for LOCA Qualification and Seismic testing of electrical equipment
Department of Scientific & Industrial Research (DSIR), Government of India
Government of Gujarat, License to Electrical Contractors for carrying out Electric Installation works in Gujarat State
Gujarat Electricity Regulatory Commission, Madhya Pradesh Electricity Regulatory Commission and Rajasthan State Electricity Regulatory Commission for Energy Meters
Director of Boilers, Government of Gujarat
Charity Commissioner, Government of Maharashtra
Directorate General - Factory Advice Service and Labour Institute (DGFASLI), Mumbai for increased safety motors
Canadian Standards Association for LT Switchgear & Capacitors
Well Known Remnant Life Assessment Organization under Indian Boiler Regulations, 1950
Integrated Headquarters, Ministry of Defence (Navy) for EMI/EMC testing of Naval Equipment in Western Region
Infrastructure for Automated Rotating Machine
Precision Power Analyzer, Accuracy 0.1 %
Precision Torque Transducer,  Accuracy 0.1%, 2 Nm to 1kNm. 
Dynamometer, Accuracy: 0.1 %, 0.18 to 200 kW
Precision Electromagnetic Flow meter, Accuracy 0.25%, 0.2 lps to 300 lps.
Precision Digital Pressure Gauges, Accuracy: 0.5%, 0.1 to 250 kg/cm2
Digital Balancing Machine, Accuracy 0.5%
Digital Surface Finish Tester, ± 2mm Ra
Analytical & Design Tools for Design Validation & Optimization
Ansoft RmXpert:
Motor Design Software, Customize & Template based for :
Design of induction motors & other motors
Performance evaluation of motors
Design validation through testing
CF Turbo  & Simerics
Pump Design software:
Submersible pump design using Computational Fluid Dynamics (CFD) Analysis
Performance optimization of pump
Validation through testing
Also can analysis turbines
Ansoft Maxwell 2D/3D
Finite Element Analysis of Electrical Equipment:
Electromagnetic Analysis
Electrostatic Analysis
Thermal Analysis
Coupled Analysis
R&D Activities
Development of 3 phase hysteresis motor
Study of grid abnormality on wind turbine driven induction generator for performance comparison
Study of indigenous and imported energy efficient motors
Design of energy efficient submersible motors
Online condition monitoring on induction motor through stator current
Design verification of induction motors through computer software
Development of motor current signal analysis instrumentation for online condition monitoring of motors.
Development of submersible pumpset with higher overall efficiency
Development of plastic impeller for 6” bore submersible pumpset
Development of centrifugal pump to work as turbine and its integration with generator & load controller
Development of indigenous coating for efficiency improvement of submersible purnpsets
Evaluation of aqualon and conventional thrust bearings for submersible pumpsets
A study of water pumping facilities of five residential complexes in Vadodara
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