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Some steel manufacturing lines require a continuous infinite steel strip for their permanent operation. In order to fulfill this requirement, single steel strips are welded in the input section of these lines. However, welding becomes a critical process, since a possible failure could delay the normal operation of a manufacturing line for days, making a testing process by a technician necessary. This...
Internal fuse protection of wind farm transformers has been difficult due to their typical size and configuration (Gt1000 kVA, 24.9 kV-34.5 kV delta). With no suitable 37 kV current-limiting (CL) fuses available, smaller transformers have used ldquomatched meltrdquo coordination between oil submersible 34.5 kV expulsion fuses and 23 kV CL fuses. This works because line-to-line faults, higher than...
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