Field Performance Evaluation of Hydro Power Stations
Instrumentation Lab Brochure |
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Scope of Testing
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Visual Inspection
Measurements and Tests
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Functional Checks Verification the operation functioning of the components subsystems and shortcomings defects, if any, are recorded.
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Methods of Unit Efficiency Measurement by Discharge Head Method
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Absolute Discharge
- Current-meter method (Uncertainty ±2.5%)
- PCM mounting frame could be installed at intake channel, tailrace channel, Intake duct for discharge measurement.
- Point velocities of measurement section are recorded.
- Discharge is calculated by velocity area integration method.
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Acoustic Method for Discharge Measurement | ||
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Acoustic Doppler Current Profiler (Uncertainty ±1.5% - ±3%)
- ADCP transmit and receive Acoustic signals. Sound waves scattered back from particles within the water column.
- The frequency shift of the echo is proportional to the water velocity along the acoustic path.
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Measurement of Net Head
Head Measurement in Pressure Channels (Uncertainty ±0.5%)
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Free Water-Surface-Level Measurement in Open Channels (Uncertainty ±0.5% )
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Measurement of Electrical Power Output (Uncertainty ±1%)
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Vibration Measurements (Uncertainty ±5%)
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Sound Level Measurement (Uncertainty ±1.5 dB) | Load Rejection Test | |
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Maximum Power Output Test (Uncertainty ±1%)
- Test conducted to check whether the maximum electrical power output actually available from the generating unit matches with the value specified by the manufacturer.
- Test conducted at the rated head or at the head / discharge specified for maximum output of the generating unit.
Turbine Efficiency Measurement by Thermodynamic Method (Uncertainty ±1%)
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Instrument Used For Field Performance Evaluation of Hydro Power Plants
![]() Three Phase Power Analyzer |
![]() Single Phase Power Analyzer |
![]() Ultrasonic Transit Time Flowmeter - Clamp On |
![]() Ultrasonic Transit Time Flowmeter - Clamp On |
![]() Ultrasonic Transit Time Flowmeter - Clamp On |
![]() Ultrasonic Transit Time Flowmeter - Intrusive Type |
![]() Ultrasonic Transducer - Intrusive Type |
![]() Ultrasonic Transducer - Intrusive Type |
![]() Ultrasonic Flat Transducer - Intrusive Type |
![]() Propeller Current Meter |
![]() Propeller Current Meter |
![]() Area Velocity Flowmeter |
![]() Ultrasonic Level Sensor |
Pressure Transmitter |
![]() Submersible Pressure Transducer |
![]() Pressure Calibrator |
![]() Vibration Meter |
![]() Sound Level Meter |
![]() Thermometer |
![]() Temperature Sensor |
![]() Thickness Gauge |
![]() Underground Pipe Leakage Detector |
![]() Total Station |
![]() Relay Tester |
- Performance evaluation / efficiency test of over 240 hydropower stations of different capacities in different terrain and states using different methods of discharge measurement and head measurement.
Time Line for Testing
Details about Hydro Power Stations from Owner | 03-04 days | |
Data will be reviewed and suggested method | 05-07 days | |
Pre test visit if required | 01-02 days | |
Advise for Provision to be made at site for testing | 15-20 days | |
Testing at Project | 02-05 days | |
Report | 10-15 days |
Papers published in Research Journals
- Arun Kumar, R.P.Saini, B.K.Gandhi, R.K.Srivastava, Pradeep Chandra and A.K. Dubey Experiences in Discharge Measurements at Small Hydropower Stations in India, , Flow Measurement and Instrumentation 69 (2019) .
- Rahul K. Srivastava, Arun Kumar, B.K.Gandhi and R.P.Saini Experience with Ultrasonic Transit Time Flow Meter for Hydro Power Plant Efficincy Measurement, IGHEM 2018.
- Arun Kumar, R P Saini and B K Gandhi Comparative Discharge Measurement in Small Hydro Power Plant using different Methods, Pradeep Chandra, IGHEM 2018.
- Arun Kumar, B.K. Gandhi, and Pradeep Chandra Experience of Vibration and Noise Measurement of Small Hydro Power Plants, IGHEM 2016.
- B.K. Gandhi, Arun Kumar and Rahul Kumar Srivastava Discharge Measurement Through Multiple Gates of Low Head Power Plants Under Unfavorable Conditions, IGHEM 2016.
- B.K. Gandhi, Arun Kumar and H.K. Verma Discharge and Efficiency Measurement in Bassi Hydro Power Station in India, IGHEM 2014.
- Shantaram.S. Patil, H.K.Verma and Arun Kumar Efficiency Measurement of Hydro Machine by Thermodynamic Method, IGHEM 2010.
- B.K. Gandhi, H.K. Verma and S.S. Patnaik, Discharge Measurement in Small Hydropower Stations Using Acoustic Doppler Current Profiler, IGHEM 2008.
- Verma, H.K. and Kumar Arun, "Instrument Networking for Efficiency Measurement in Small Hydro Power Stations", International Conference on Advances in Hydraulic Efficiency Measurements at Lucern, Switzerland, July 14-16, 2004.
Professor in Charge | ||
Prof Arun Kumar Area of expertise:
Phone : Off.(+91 1332) 286134, 286135, 285821 |
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Prof R P Saini Area of expertise: Phone : Off.(+91 1332) 285841 |
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Research Staff | ||
Rahul Kumar Srivastava Research Associate Mob No. 9430065527 |
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Pradeep Chandra Project Associate Mob No. 9639749741 |
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Ankit Kumar Dubey Project Associate Mob No. 9411720540 |
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Navin Kumar Project Assistant Mob No. 9917261107 |
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Instrumentaion Laboratory, Department of Hydro and Renewable Energy, Indian Institute of Technology Roorkee, Roorkee-247 667 Uttarakhand, India Tel : +91-1332-285821, 285841, 286437 E-mail: field@hre.iitr.ac.in, arun.kumar@hre.iitr.ac.in, rp.saini@hre.iitr.ac.in, hrediitr@gmail.com |