Installation of Metering System at DTC

1. Installation of Metering System at Distribution Transformer Centers

2. Application of DTC Metering Analysis of DTC meter is not merely used for the energy gap but also give healthiness of transformer . Application : Load unbalancing in system. Voltage unbalancing . Utilization of Transformer Power off duration . Improvement of transformer loading

3. DTC Meter Specification & Feature Specification Make : Secure Type : 3 Phase 4 Wire Accuracy Class :0.5s Ref Voltage : 3 x 240 V AC, 50 Hz Serial No : T4000XXXX Current Rating :100/5 A Meter constant : 400 Imp/ Unit Feature 35 days midnight data . Phase wise voltage . Phase wise active power. Phase wise apparent power. Power of duration . Absolute Active energy

4. Transformer Rating and External CT Ratio of Metering System S.No Rating Rated Current No. of DTC Final CT Rating 1 10 13.91 209 100/5 2 16 22.26 69 3 25 34.78 335 4 50 69.56 1 5 63 87.65 386 6 80 111.30 8 200/5 7 100 139.12 378 8 160 222.60 317 300/5 9 200 278.25 6 10 250 347.81 757 400/5 11 315 438.24 125 600/5 12 400 556.50 844 13 500 695.62 7 900/5 14 630 876.49 119 15 750 1043.43 2 1400/5 16 800 1113.00 1 17 990 1377.33 24 18 1000 1391.25 9 Total 3597 7

5. DTC Meter Installation Process Site Selection UG Fencing Feeder Metering System Installation. A. Meter Installation Fence Mounted Pole Mounted Wall Mounted B. CT Installation FSP Bushing C. PT Supply Directly being fed from FSP/Transformer LT side D. Control cabling With proper demarcation of the Control cable connection to CT & PT Unit of the meter installed is provided.

6. DTC Metering Installation Process 3. Scope of Work : DTC location & material will be issued by Torrent representative. Transportation of materials from company’s stores to site and vice versa will be done by contractor . The installation of Meter box , Meter & CT’s , laying & termination of control cable ,furling , lugging etc will be done by contactor . Installation completion report filled by contactor supervisor in prescribed format . Sealing ,Testing & CMRI of installation done by TPL site engineer . Material used in DTC metering installation is conformed by TPL site engineer in prescribed format . Removal of existing metering system including meter box, meters, cables etc wherever exists will be done by contractor .

7. DTC Metering Installation Process 4. Testing & Verification: A. Testing & Data Collection Installation details of DTC Metering system done by TPL site Engineer. Testing & validation of MF Metering system done by TPL site Engineer. CMRI data collection done by TPL site Engineer Sealing of Energy Metering system done by TPL site Engineer. B. Data Dumping & Analysis Onsite data collected is dumped into system server . Analysis of Data Collected at site to verify installation system .

8. Installation Model-One CT’s are installed in FSP

9. Installation Model-two CT’s are installed at Transformer Bushing

10. Energy Audit – EHV to DTC 33 kV Line Loss 11 kV Line Loss Power Tr Loss DTC Loss

11. Energy Audit – EHV to DTC Database Sr . No . EHV SubStation Power Transformer 33 kV Feeder 33 kV SubStation 11 kV Feeder DTC Feeder Wise DTC EHV S/s wise 1 220/132/33 kV Sikandra Tr-I ( 40 MVA ) 33 kV Riggs Division (40 MVA TR) 33 kV Riggs S/s 3 95 1047 33 kV Dayalbag 33/11 kV Dayalbagh S/s 6 239 33 kV Shanti Nagar S/S 3 104 Tr-II ( 63 MVA ) 33 kV Guru Ka Tal 33/11 kV Guru Ka Taal S/s 4 127 33/11 kV Tota Ka Taal S/s 3 64 33/11 kV T.P. Nagar S/s 2 21 Tr -III ( 60 MVA ) 33 kV Medical (60 MVA TR) 33/11 Raja Mandi 5 70 33/11 New Agra 3 42 33 kV Sanjay Place (60 MVA TR) 33/11 kV Shah Talkies S/s 6 151 33 kV Hariparvat (60 MVA TR) 33/11 kV Sanjay Place S/s 8 134 2 132/33 KV Foundry Nagar Tr-I ( 40 MVA ) 33 kV Trans Yamuna 33/11 kV Trans Yamuna Bank S/s 4 33 651 33 kV TR-10 MVA 33/11 kV Mandi Samiti S/s 3 76 33 kV Jack Bus ( Kamla Nagar) 33/11 kV Kamla Nagar S/s 7 149 33/11 kV Balkeshwar S/s 4 46 Tr-II ( 63 MVA ) 33 kV Kalindi Vihar 33/11 kV Nandlalpur S/s 3 57 33/11 kV Foundry Nagar S/s 4 79 33 kV TR-8 MVA 33/11 kV Mandi Samiti S/s 3 23 33 kV Water works 33/11 kV Free Gunj S/s 3 51 33/11 kV water Works S/s 3 21 33/11 kV Dhuliya Gunj S/s 3 31 33 kV Yamuna Bank 33/11 kV Yamuna Bank S/s 5 85 3 220kV/132/33 KV Shamshabad Tr-I ( 40 MVA ) 33 kV ADA Feeder 33/11 kV Taj Nagri Phase-II S/s 3 66 66 4 132/33 kV Agra Cantt Tr-I ( 40 MVA ) 33 kV Air Force Feeder 33/11 kV Aziz Pur S/s 4 54 117 Tr-II ( 40 MVA ) 33 kV Sadar Feeder 33/11 kV Gwalior Road S/s 3 63 33 kV S J Ice & Cold Storage    

12. Energy Audit – EHV to DTC Sr . No . EHV SubStation Power Transformer 33 kV Feeder 33 kV SubStation 11 kV Feeder DTC Feeder Wise DTC EHV S/s wise 5 132/33 kV Taj Tr -I ( 40 MVA ) 33 kV TR-5 MVA 33/11 kV Taj 3 23 448 33 kV Agra Fort-II 33/11 kV Agra Fort 3 54 33 kV Hotel Complex 33/11 kV Hotel Complex 6 122 HOTEL MUGHAL SHERATON     Tr-II ( 40 MVA ) 33 kV Barrack Road 33/11 kV Barrack Road 6 86 33 kV Bamroli Katara 33/11 kV Bamroli Katara     MRG DEVELOPERS, PACIFIC MALL     33 kV Sadar 33/11 Allah Bux 7 108 SR. DEE (G) Agra Cantt (Railway)     33 kV Shaheed Nagar 33/11 kV Shaheed Nagar     33 kV J P Hotel 33 kV J P Palace     EIH ASSOCIATED HOTELS     Tr-III ( 40 MVA ) 33 kV Agra Fort-I 33/11 kV Agra Fort 5 55 Mukhya Nagar Adhikari     33 kV Amar Vilas 33 kV Amar Vilas     6 132/33 kV Shastripuram Tr-I (63 MVA ) 33 kV Shastripuram 33/11 kV Shastri Puram S/s 5 337 835 Tr-II ( 40 MVA ) 33 kV Shahganj 33/11 kV Shah Ganj S/s 5 99 33/11 kV Loha Mandi S/s 3 31 Tr-III ( 40 MVA ) 33 kV Awas Vikas 33/11 kV Awas Vikas S/s 7 137 33 kV Jawaharpuram 33/11 kV Jawahar Puram S/s 5 95 33/11 kV Kedar Nagar S/s 6 80 33 kV Subhash Park 33/11 kV Shubhas Park S/s 1 10 33/11 kV Medical S/s 5 46 33 kV Kheria GARRISION ENGINEER     7 132/33 kV Bhimnagri Tr-I (20 MVA ) 33 kV Jalma Feeder 33/11 kV Jalma S/s 433 Tr-II ( 20 MVA ) 33 kV Bamroli Katara Feeder 33/11 kV Bamroli Katara S/s 6 249 33 kV Shaheed Nagar Feeder 33/11 kV Shaheed Nagar S/s 6 184 8 132/33 kV Dayal Bagh Tr-II( 40 MVA ) 33 kV Nandlalpur         Tr-I ( 40 MVA ) 33 kV Foundry nagar         Total 7 17 (689 MVA) 33 40 174 3597 3597

13. Energy Audit – EHV to DTC Energy Input at EHV Substation @ 08:00 Hrs Energy Input at 33kV Substation @ 08:00 Hrs 3. Energy Input at DTC Consumer Mapped DTC wise Consumer Billing date/Lot are fixed Consumption of Consumer from IT DTC Meter data collection date will be next day of consumer reading date Monthly DTC energy input from Mid night data of load survey %Energy Gap = (DTC Consumed Energy –Consumer Energy) x100 DTC Consumer Energy

14. Alteration , Maintenance & Breakdown of DTC 1. Addition of New DTC In case of New installation of DTC , the respective department will intimate to EA cell. EA cell will installed the DTC metering system. 2. Removal of DTC In case of Removal of DTC , the respective department will intimate to EA cell EA cell will removed the installed DTC metering system. 3. Preventive Maintenance of DTC Metering Requirement of maintenance of DTC metering will be identified by EA cell. Maintenance & Reworking of External CT’s will be done by MMR along with EA department . Replacement of Meter will be done by EA cell .

15. Alteration , Maintenance & Breakdown of DTC 4. Breakdown Maintenance of DTC The CT’s of metering system are marks with Red , Yellow , Blue ( For respected Phase ). In case of Breakdown of DTC , Breakdown team remove & put in same manner. The direction of arrow ( Upward direction -P1 to P2 ) marks are mention each on CT’s . Breakdown team put CT’s in respective phase with Arrow in upward direction .

16. Thank you