Flow Measurement and Telemetry System
Telemetry is the system of measuring the flow parameters of the canal water. The instrument measures the velocity, depth and discharge in canal flow and this is also possible to be transmitted to the concerned authorities through a SIM card-enabled mechanism. Rightly positioned and used telemetry can help to know how much water each WUCS is using from the released volume of water. This in turn can help WUCS to address the equity issue among the farmers with varying land holding and harvesting different crops.
The system also has provision of complete weather stations that can help in monitoring various weather parameters such as rainfall, temperature, humidity, wind speed and direction on real-time basis. These parameters help in optimizing the irrigation water usage if an application can be devised to help the farmers in taking informed-decisions.
The two-year contract for telemetry system was awarded to M/s HydroVision GmbH in JV with Canarys Automation Pvt. Ltd on 23 November 2015. The contract includes supply and installation of the telemetry system, one-year warranty and 5-years of operation and maintenance.
Equipment details for the Telemetry system in Tungabhadra Sub-basin
| Component | Required quantity | Remarks |
|
Transit Time flow metersfull system |
24 |
Travel time flow meters |
|
Rader Flow metersfull system |
76 |
Surface velocity flow meters |
|
Hand Held ADCPs |
3 |
For velocity profile and distribution in the cross-section |
|
Boat Mounted ADCPs |
1 |
For velocity profile and distribution in the cross section |
|
Hand Held Military grade tablet PCs |
4 |
Field configurations |
|
Automatic weathers stations rain, temp, humidity, solar radiations, atmos pressure, wind direction and speed |
6 |
Weather parameters in command area |
|
Solar panel 100 watts, charge controller, batteries 65 Ah 100 Ah |
100 |
Powering the instruments |
|
Sheds with steel doors and mounting cantilever |
100 |
Protection and storage of instruments |
|
GSM/GPRS Telemetry data transmission modems/ SIM cards to be purchased in the name of KNNL |
100 |
Data transmissions |
Physical & Financial Progress
All 100 locations for telemetry installation in the Tungabhadra basin have been identified and equipment procured. Out of this, 20 equipment (Radar flow meters) are for Gondi systems 4 have already been installed and 16 more are awaiting completion of main canal.
Telemetry Systems-Progress
| S. No, | Project | Quantity | Instrument type | Security shed status | Flow Meter Installation Status | Solar power-status | Installation calibration | Data Transmission |
|
1 |
Bhadra |
10 |
Transit Time Flow |
Completed |
Completed |
Completed |
Completed |
Completed |
|
2 |
Bhadra |
39 |
Radar Flow meters |
Completed |
Completed |
Completed |
Completed |
Completed |
|
3 |
Gondi |
13 |
Radar Flow meters |
4 numbers completed and commissioned. Data is also being relayed from these stations. After the joint team of KNNL engineers, Canary’s team and PSC team visited and finalised the sites remaining 9 stations are installed. Adding final cross section is required to be done which will be taken up when canal flow stops. |
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|
4 |
Upper Tunga Project |
6 |
Transit Time Flow meters |
Completed |
Completed |
Completed |
Completed |
Tests completed |
|
5 |
Upper Tunga Project |
5 |
Radar Flow meters |
Completed |
Completed |
Completed |
Completed |
Tests completed |
|
6 |
Singataluru LIS |
3 |
Transit Time Flow meters |
Completed |
Completed |
Completed |
Completed |
Completed |
|
7 |
Singataluru LIS |
10 |
Radar Flow meters |
Completed |
Completed |
Completed |
Completed |
Completed |
|
8 |
Tungabhadra |
5 |
Transit Time Flow meters locations 1, 2, 3, 4, 12 |
Completed |
Completed |
Completed |
Completed |
Completed |
|
9 |
Tungabhadra |
Item 6, 7, 8, 9, 10 are SLIS project related and are completed & shown 6/7 Singataluru LIS and are completed |
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|
10 |
Tungabhadra - 1 no. |
0 |
Transit Time Flow meters location 11 |
Location 11 - site is not suitable as the bed and side slopes/banks are of earth/mud and not concrete, sensors could not be fixed. There is plan for this canal is to be modernised in the coming summer. |
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|
11 |
Tungabhadra - 1 no. |
0 |
Radar Flow meters |
Site is not suitable as the flow rate is very low and the volume conveyed is low. |
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|
12 |
Vijayanagara Channels-16 nos. |
0 |
Radar Flow meters |
Hydro Vision has communicated to M.D, CE ICZ, and EE BRLBC about the poor condition of VJN canals due to which installation of flow meters is considered not feasible. It was suggested to utilize Flow Meter Instruments in the Bhadra Right Bank Canal Project. |
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|
Completed |
91 |
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