UAE importer seeks Oil Immersed Transformer
Power transformers
a. Two copper winding, oil immersed, power transformers.
b. Primary voltage: 3phase, 33KV (36KV max.), 50 Hz.
c. Secondary voltage: 3phase, 3.3KV, 50Hz.
d. Rated power: 13MVA@ONAN
e. Rated lightning impulse withstands voltage: 170/40KV.
f. Rated short-duration power frequency withstands voltage: 70/10KV.
g. Cooling type: ONAN/ONAF with Auto/Man control Panel.
h. Connection: Δ / Y.
i. Vector group: DYN 11.
j. Ambient temperature: 55oC, temperature rise 85oC, insulation class A.
k. Protection and control equipment’s, all these devices have to be connected to local
control panel fixed on transformer:
1. Buchholz relay (alarm and trip).
2. Pressure relief device (trip).
3. Oil level indicator (alarm and trip).
4. Dehydrating breather.
Categories
Keywords
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united arab emirates