Crompton Greaves Limited Switchgear Division : Power Systems A-3 MIDC Ambad Nashik- 422 010 Maharashtra India A-3 MIDC, Ambad, Nashik- 422 010, Maharashtra, India T: +91 253 238 2271 F: + 91 253 238 1247 Customer :GODREJ & BOYCE MFG CO.LTD. CODE NO.: V6121ACT1 Rated C.T. Ratio: 600-300/5+5 HSV/Insulation Level : 12/28/75 kvp STC Rating : 251KA/3SEC. Work Order no:V6121A-800 Rated output/class : 2.5/CL0.5,ISF<=2.5, 15/5P10 Freq. 50 Hz. Secondary terminal on P1 side Frame Size: HCTT3 IS-2705/1992 1.Accuracy Test: VA PF C T Sr. no. Primary Current % Ratio Error % Phase Error (min) Ratio Error % Phase Error (min) Ratio Error % Phase Error (min) Ratio Error % Phase Error (min) 0.8 1 0.8 1 600/5+5A 300/5+5A PD Value @ 7.62kV Rated Burden 2.5VA 0VA 2.5VA 0VA % (min) (min) (min) (min) 20 0.04 4.16 0.204 4.73 -0.27 10.84 0.304 12.25 120 0.09 1.97 0.209 3.18 -0.09 1.29 0.32 8.16 100 0.09 2.95 0.06 5.62 20 -0.06 7.87 0.161 9.84 -0.36 13.12 0.26 16.2 120 -0.08 4.61 0.09 9.1 -0.204 2.08 0.21 10.62 Composite Error(%): 0.92 151206 3.7 Composite Error (%): 0.45 151207 100 0.05 3.16 -0.02 5.46 20 -0.02 6.84 0.198 5.11 -0.35 12.22 0.28 12.93 120 0.01 2.39 0.206 3.4 -0.118 1.42 0.31 8.46 100 0.09 2.53 0.07 5.01 Composite Error (%): 0.26 2. Over voltage inter turn Test. :- OK 151208 2.8 Composite Error (%): 0.55 151207 2.2 Composite Error (%): 0.32 Composite Error(%): 0.60 3. Polarity Test : OK 4. HV Power frequency Test - 4.1 Primary to Secondary, frame & earth 28KV for one minute OK 4.2 Secondary to frame & earth 3 KV for one minute OK Test Room Temperature : 25 0 C Date of test Tested By Approved By 05.01.2015
