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  1. oneninefivenine

    345kv/138kv wye connected autotrans

    LA's were sized wrong. 20kv rather than 36kv.
  2. oneninefivenine

    Unbalance current in generator phases

    Set up some power quality equipment and look at 3rd, 5th, 7th harmonics. Are the two gens running alot higher temp?
  3. oneninefivenine

    Capacitive voltage transformer - Oil level indicator

    Haven't worked with 500kv but 80kv sight glass definitely shows oil level.
  4. oneninefivenine

    345kv/138kv wye connected autotrans

    345kv/138kv wye connected autotransformer with 34kv delta tertiary. 34kv tertiary has 3 wye connected 300/1 pt's and 2 34kv/240-120v open delta station service transformers. Transformer was energized for the first time from the 345kv gcb with open 138kv breaker. Approx 10 sec later, xfmr tripped...

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