Problem 병렬운전

Multiple Choice • Views 1135 • Comments 0 • Created at 2 years ago • Last Updated at 5 months ago  
  • 병렬운전
  • 변압기

변압기의 병렬 운전이 불가능한 것은?

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1

\triangle -\triangle \triangle -\triangle

2

\triangle -\triangle YY Y - Y

3

\triangle -\triangle Y \triangle - Y

4

Y \triangle - YY \triangle - Y

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