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Summary
Description
Technical Challenge
Results
Conclusions
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Studies
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GSU Transformer Upgrade – Tank Hot Spot - Results
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Specific losses (original
enclosure) |
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Temp. at 190 MVA,
tank
flange hot spot = 96°C |
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Specific losses (new enclosure) |
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Temp. at 228 MVA,
tank flange hot spot =
72°C |
The solution was to move the crossover shorting plate to shift
flux induced currents and losses from the tank cover flange to the
middle of the tank cover.
Conclusions |
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