A9023185

Test Report CESI Approved Page 5

M2029IG

Short-circuit tests with three-phase current Test circuit: M0002 Test frequency: 50 Hz Reference number of the oscillograms: A9023185 Conditions of the transformer before the tests: as supplied by the Client Transformer prearranged on the voltage ratio: 11 kV / 0,415 kV Date: August 7, 2009

Tap-changer No-load Test current

Test Oscillogram position supply peak r.m.s. average Duration

voltage value value value

No. No./sheets - V A A A s 22740 22690 1 1/1 0 -

56900 22870 22770 0,1

33290 82790 33170 2 2/1 0 -

33340 33260 0,5

33380 82180 33270 3 3/1 0 -

33500 33380 0,5

33340 83140 33270 4 4/1 0 -

33570 33390 0,5

85460 34640 34590 5 5/1 + + - 34810

34680 0,5

86750 34800 34660 6 6/1 + + - 34940

34800 0,5

85920 34960 34710 7 7/1 + + - 34990

34880 0,5

32810 32920 8 9/1 - - -

81370 33130 32960 0,5

32800 32960 9 10/1 - - -

81700 33220 32990 0,5

32780 32900 10 11/1 - - -

82280 33260 32980 0,5

Conditions of the transformer after the tests: see notes

- Externally didn’t show any sign of damage or deformation