Crompton Greaves Limited Vacuum Interrupters & Instrument Transformer Division: Power System D2, MIDC, Waluj, Aurangabad 431 136, Maharashtra, India T: +91 240 255 8000 F: +91 240 25 54697

Doc. No. : 413539192 CT1 GTP Rev : 1 Date : 18/Nov/2011 Page 1 of 2

Registered Office: CG House, 6th Floor, Dr Annie Besant Road, Mumbai 400 030, India T: +91 22 2423 7777 F: +91 22 2423 7733 W: www.cgglobal.com

Project 1x35 MW Cogeneration plant Consultant Mitcon Consultancy services Ltd. End User NSL Sugars Ltd. EPC Contractor ISGEC JOHN THOMPSON EPC Electrical Contractor

IKE Electric Pvt. Ltd.

GUARANTEED TECHNICAL PARTICULARS FOR

110 KV CURRENT TRANSFORMER ( Ratio: 300/1-1-1-1-1 A )

1. Type : Single Phase, Outdoor, Dead Tank 2. a) Highest system voltage : 123 kV b) Nominal system voltage : 110 ±10% kV 3. Frequency : 50Hz +_5%

4. Manufacturer's type designation : CT : 145/275/650

5. Conforms to standards : IS: 2705

6. Rated primary current : 300 A

7. Rated secondary current : 1 A

8. Details of Cores : Please refer Table - I

9. Rated short time withstand current : 40 KA for 1 Second

10. Rated dynamic withstand current : 100 KAp

11. Rated continuous thermal current : 1.2 pu ( Where pu = Rated Current )

12. Current density for primary winding : 1.65 A/mm2

13. Rated Insulation class : 230 KV rms / 550 KVp

14. One minute power frequency withstand test voltage Dry : 230 kV rms Wet : 230 kV rms

15. 1.2/50 microsecond impulse wave : 550 kV Peak withstand test voltage

16. The dielectric withstand values of : 230 kV rms for 1 Minute Insulation external and internal insulation

Crompton Greaves Limited Vacuum Interrupters & Instrument Transformer Division: Power System D2, MIDC, Waluj, Aurangabad 431 136, Maharashtra, India T: +91 240 255 8000 F: +91 240 25 54697

Doc. No. : 413539192 CT1 GTP Rev : 1 Date : 18/Nov/2011 Page 2 of 2

Registered Office: CG House, 6th Floor, Dr Annie Besant Road, Mumbai 400 030, India T: +91 22 2423 7777 F: +91 22 2423 7733 W: www.cgglobal.com

17. One minute power frequency : 3 KV rms Withstand voltage on secondary

18. Min. creepage distance (mm) : 3815 mm

19. Weight of oil (kg) : 126 kg ±10%

20. Total weight (kg) : 450 kg ±10%

21. Type of Mounting : Pedestal Mounting

22. Mounting size requirement (mm) : 450 x 450 x φ18 mm Mounting holes (With Frame)

23. Primary terminals requirement (mm) : Copper dia 30 X 80 mm

24. General Arrangement Drawing : Attached.

25 Ambient temperature : 50 deg C

26. Schematic Rating Plate Drawing : Attached. 27. Cantilever Test Load : 350 kG

Table - I : Details of Cores