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high-voltage switchgears transformer maintenance Analysis electronic weighing device

COMPARATIVE LIFE CYCLE ASSESSMENT AMONG MV METAL … 1-67.pdf· PDF filefor maintenance, carried out every 3 years. To obtain the losses of the switchgears we calculated the daily electrical current curve from load curve of fig.1 applying an utilization factor: 30% for unit with 630 A circuit breakers and 40% for 1250 A circuit breaker units. As the fuse link life duration is 20 years a

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